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ROLLOUT 5 · boto/botocore

boto__botocore-830

Solved
478 stotal time
22tool calls
22model calls
6,446tokens generated
200,122prompt tokens read

Agent exceeded session timeout (7.5 min)

Turn by turn

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System instructions 4,822 characters
You are a principal Python software engineer resolving a repository issue in `/workspace`.
Your sole objective is to produce a minimal, root-cause source patch that passes every hidden fail-to-pass and pass-to-pass regression test on the first grading run.

## Critical Environment & Grader Rules
1. **Air-Gapped Sandbox & Available CLI Tools**: No network access. Never run `pip`, `uv`, `conda`, or `git fetch`. Note: `rg` (`ripgrep`) is NOT installed in the container — always use `grep -rn --include="*.py"` for fast exact searches so you never waste a tool call on `command not found`.
2. **Protected Grading Paths**: Before running official verification, the grading harness **strips and reverts all changes** to `tests/`, `test/`, `testing/`, `test_*.py`, `*_test.py`, `conftest.py`, `pyproject.toml`, `setup.cfg`, `pytest.ini`, and `tox.ini`. Every part of your fix MUST reside in non-test production source files.
3. **Untracked File Trap (`git add -N .`)**: `submit_patch` stages ALL untracked files inside `/workspace`! Never leave reproduction or scratch files inside `/workspace` — run reproductions inline via `python3 - <<'PY'` or inside `/tmp/repro.py` in a single `run_command`.
4. **Stdout Truncation Rule**: `run_command` truncates stdout after the first 5,000 characters from the TOP. Always run pytest quietly with short tracebacks:
   `pytest path/to/test_file.py -k pattern -q --tb=short --no-header`
   If a test file is large, redirect output to `/tmp/pytest.log` and inspect `tail -n 80 /tmp/pytest.log` so failure tracebacks at the bottom are never cut off.
5. **Strict Pacing Discipline**: `get_status` and `submit_patch` are free and do NOT count toward `max_tool_calls`. Target **16-22 counted tool calls total**, and **begin your first `edit_file` change no later than tool call 15**. Reserve at least 4 calls for verification, `git status --short && git diff`, and submission.

## Execution Protocol

### Phase 1 — Pinpoint Code & Tests Immediately (1-2 tool calls)
- The user message already contains `Workspace Layout` — do NOT waste a turn running `ls` on top-level directories.
- Run a single compound `run_command` with `grep -rn --include="*.py"` to locate:
  (a) the exact symbols, error strings, or functions from the problem description,
  (b) **all parallel or sibling implementations** (for example sync + async variants, `Client` + `AsyncClient`, serializer + deserializer, multiple backends/dialects, base + subclass methods, `__init__.py` / `__all__` exports), and
  (c) the closest existing unit test files under `tests/`.

### Phase 2 — Deep Read & Spec Anchor (2-5 tool calls)
- Use `read_file` with generous `start_line` and `end_line` windows (180-300 lines per call so you read whole modules in fewer calls) on the target function/class, callers, type annotations, and neighboring tests.
- Before editing, verify every explicit and implicit requirement from the issue: exact parameter names, defaults, boundary/domain edge cases, exception types/messages, `None` vs empty collection vs falsy (`0`, `False`, `""`) semantics, mutability/copying, and return types.

### Phase 3 — Reproduce Bug in One Call (1 tool call)
- Run ONE concise command (`python3 - <<'PY' ... PY` or targeted `pytest ... -q --tb=short --no-header`) via `run_command` to observe the exact pre-fix failure. Do NOT spend multiple tool calls writing separate reproduction scripts.

### Phase 4 — Surgical Implementation Across All Parallel Paths (1-4 tool calls)
- Begin editing by tool call 15! Use `edit_file` with 4-6 lines of exact surrounding context copied from `read_file`.
- Update ALL parallel codepaths (sync/async, multiple classes/dialects, type hints) consistently so partial fixes do not fail sibling tests.
- **2-Strike Edit Rule**: If `edit_file` fails twice on the same block due to whitespace or escaping, do not retry `edit_file` a third time — apply an atomic Python transformation via `run_command` and immediately verify `python3 -m py_compile path/to/file.py`.

### Phase 5 — Edge-Case Verification, Diff Hygiene & Clean Exit (2-4 tool calls)
- Run a single compound `run_command` testing both your reproduction + boundary edge cases (`None`, empty input, leading/trailing delimiters, subdomain/prefix boundaries, subclass/async parity) AND the relevant existing `pytest` module(s) with `-q --tb=short --no-header`.
- Run `git status --short && git diff` via `run_command`. Confirm:
  - ZERO untracked (`??`) files in `/workspace` (`rm -f` any untracked workspace files immediately),
  - ZERO modifications to `tests/` or protected config files (`git checkout -- tests/` if touched),
  - Minimal, clean diff with valid imports and indentation.
- Call `submit_patch` once verification passes, then respond with a brief 2-sentence plain-text summary and make NO further tool calls.
Task prompt 5,435 characters
You are evaluating a software engineering task for repository boto/botocore.

Problem Statement:
Dynamodb local uses HTTPS instead of HTTP
In our endpoints.json we have:

```
            "local": {
              "hostname": "localhost:8000",
              "protocols": [
                "http"
              ],
              "credentialScope": {
                "region": "us-east-1"
              }
            }

```

However, creating a client with this region will use HTTPS:

```
>>> import botocore.session
>>> botocore.session.get_session().create_client('dynamodb', 'local').list_tables()
...
botocore.vendored.requests.exceptions.SSLError: [SSL: UNKNOWN_PROTOCOL] unknown protocol (_ssl.c:581)
```

My best guess is that we're not honoring the `protocol` key from endpoints.json when creating clients.

## Task Budget (Session terminates when any budget is exhausted)
- Time allowance: 7.5 minutes
- Tool calls allowance: 30 calls
- Max loop iterations: 40 turns

## Execution Environment Rules
- Single command timeout: 90 seconds (commands exceeding this fail without ending the session)
- Command output limit: 5000 characters
- File view limit: 150 lines per read_file call
- File character limit: 10000 characters per read_file call
- Environment is offline (no network/PyPI access). All repository and test dependencies are ALREADY pre-installed. Do NOT attempt to run pip install or download packages.

## Instructions:
0. All source code is under `/workspace`. Do NOT search outside `/workspace` (e.g. `/usr/`, `/wheels/`, system site-packages). If imports fail, the issue is in the source code under `/workspace`, not in missing system packages.
1. Analyze the problem statement and any provided hints carefully to identify all requested script paths, CLI subcommands, or Python modules.
2. Inspect existing codebase conventions and test files before making edits.
3. Verify your implementation using targeted tests or inline assertions before submitting.
4. Call submit_patch only after your implementation is complete and verified.
5. As your final action, you must return a text-only response reporting your completion to terminate the session.
## Workspace Layout
The repository is located at `/workspace`. Here is the directory tree (up to 3 levels):
```
./CHANGELOG.rst
./CONTRIBUTING.rst
./LICENSE.txt
./MANIFEST.in
./NOTICE
./README.rst
./botocore
./botocore/__init__.py
./botocore/auth.py
./botocore/awsrequest.py
./botocore/client.py
./botocore/compat.py
./botocore/config.py
./botocore/configloader.py
./botocore/credentials.py
./botocore/data
./botocore/data/_retry.json
./botocore/data/acm
./botocore/data/apigateway
./botocore/data/autoscaling
./botocore/data/cloudformation
./botocore/data/cloudfront
./botocore/data/cloudhsm
./botocore/data/cloudsearch
./botocore/data/cloudsearchdomain
./botocore/data/cloudtrail
./botocore/data/cloudwatch
./botocore/data/codecommit
./botocore/data/codedeploy
./botocore/data/codepipeline
./botocore/data/cognito-identity
./botocore/data/cognito-sync
./botocore/data/config
./botocore/data/datapipeline
./botocore/data/devicefarm
./botocore/data/directconnect
./botocore/data/ds
./botocore/data/dynamodb
./botocore/data/dynamodbstreams
./botocore/data/ec2
./botocore/data/ecr
./botocore/data/ecs
./botocore/data/efs
./botocore/data/elasticache
./botocore/data/elasticbeanstalk
./botocore/data/elastictranscoder
./botocore/data/elb
./botocore/data/emr
./botocore/data/endpoints.json
./botocore/data/es
./botocore/data/events
./botocore/data/firehose
./botocore/data/gamelift
./botocore/data/glacier
./botocore/data/iam
./botocore/data/importexport
./botocore/data/inspector
./botocore/data/iot
./botocore/data/iot-data
./botocore/data/kinesis
./botocore/data/kms
./botocore/data/lambda
./botocore/data/logs
./botocore/data/machinelearning
./botocore/data/marketplacecommerceanalytics
./botocore/data/opsworks
./botocore/data/rds
./botocore/data/redshift
./botocore/data/route53
./botocore/data/route53domains
./botocore/data/s3
./botocore/data/sdb
./botocore/data/ses
./botocore/data/sns
./botocore/data/sqs
./botocore/data/ssm
./botocore/data/storagegateway
./botocore/data/sts
./botocore/data/support
./botocore/data/swf
./botocore/data/waf
./botocore/data/workspaces
./botocore/docs
./botocore/docs/__init__.py
./botocore/docs/bcdoc
./botocore/docs/client.py
./botocore/docs/docstring.py
./botocore/docs/example.py
./botocore/docs/method.py
./botocore/docs/paginator.py
./botocore/docs/params.py
./botocore/docs/service.py
./botocore/docs/shape.py
./botocore/docs/sharedexample.py
./botocore/docs/utils.py
./botocore/docs/waiter.py
./botocore/endpoint.py
./botocore/exceptions.py
./botocore/handlers.py
./botocore/hooks.py
./botocore/loaders.py
./botocore/model.py
./botocore/paginate.py
./botocore/parsers.py
./botocore/regions.py
./botocore/response.py
./botocore/retryhandler.py
./botocore/serialize.py
./botocore/session.py
./botocore/signers.py
./botocore/stub.py
./botocore/translate.py
./botocore/utils.py
./botocore/validate.py
./botocore/vendored
./botocore/vendored/__init__.py
./botocore/vendored/requests
./botocore/vendored/six.py
./botocore/waiter.py
./docs
./requirements-docs.txt
./requirements.txt
./requirements26.txt
./scripts
./scripts/ci
./scripts/ci/install
./scripts/ci/run-acceptance-tests
./scripts/ci/run-integ-tests
./scripts/ci/run-tests
./scripts/get-model-filename
./setup.cfg
./setup.py
./tests
./tox.ini
```
Turn 1at 46 s254 tokens out3,855 prompt tokens
The user is reporting an issue where `botocore` uses HTTPS instead of HTTP for the `local` region of DynamoDB, despite the `endpoints.json` specifying `http`.

The user provided a reproduction snippet:
```python
import botocore.session
botocore.session.get_session().create_client('dynamodb', 'local').list_tables()
```
This results in:
`botocore.vendored.requests.exceptions.SSLError: [SSL: UNKNOWN_PROTOCOL] unknown protocol (_ssl.c:581)`

This suggests that the `protocols` list in `endpoints.json` is being ignored when determining the scheme of the endpoint URL.

I need to find where `botocore` determines the protocol/scheme of the endpoint from `endpoints.json`.

Looking at the workspace layout, `botocore/endpoint.py` seems like the most likely place where endpoint resolution happens.

Let's start by searching for where `protocols` is used in the codebase.
TOOL CALL · run_command
{
  "command": "grep -rn --include=\"*.py\" \"protocols\" botocore/"
}
Result of run_command 909 characters
{
  "status": "ok",
  "stdout": "botocore/serialize.py:61:    # TODO: Unknown protocols.\nbotocore/serialize.py:360:    \"\"\"Base class for rest protocols.\nbotocore/serialize.py:362:    The only variance between the various rest protocols is the\nbotocore/parsers.py:19:There are many similarities amongst the different protocols with regard\nbotocore/parsers.py:48:contains logic that is similar amongst all the different protocols (``query``,\nbotocore/parsers.py:54:* The ``json`` and ``rest-json`` protocols both have JSON bodies that are\nbotocore/parsers.py:56:* The ``rest-json`` and ``rest-xml`` protocols have additional attributes\nbotocore/parsers.py:161:    various protocols must implement.\nbotocore/regions.py:54:            - protocols: (list<string>) A list of supported protocols\nbotocore/vendored/requests/status_codes.py:9:    101: ('switching_protocols',),\n",
  "stderr": "",
  "exit_code": 0
}
Generated tokens 254 tokens · stopped: STOP
<|channel>thought The user is reporting an issue where `botocore` uses HTTPS instead of HTTP for the `local` region of DynamoDB, despite the `endpoints.json` specifying `http`. The user provided a reproduction snippet: ```python import botocore.session botocore.session.get_session().create_client('dynamodb', 'local').list_tables() ``` This results in: `botocore.vendored.requests.exceptions.SSLError: [SSL: UNKNOWN_PROTOCOL] unknown protocol (_ssl.c:581)` This suggests that the `protocols` list in `endpoints.json` is being ignored when determining the scheme of the endpoint URL. I need to find where `botocore` determines the protocol/scheme of the endpoint from `endpoints.json`. Looking at the workspace layout, `botocore/endpoint.py` seems like the most likely place where endpoint resolution happens. Let's start by searching for where `protocols` is used in the codebase.<channel|><|tool_call>call:run_command{command:<|"|>grep -rn --include="*.py" "protocols" botocore/<|"|>}<tool_call|><|tool_response>
Turn 2at 53 s92 tokens out4,399 prompt tokens
The `grep` results for "protocols" didn't show much relevant to endpoint resolution. Let's try searching for "hostname" or "endpoint" in `botocore/endpoint.py`.

Actually, the issue is about how the URL is constructed. Let's look at `botocore/endpoint.py`.
TOOL CALL · read_file
{
  "filepath": "botocore/endpoint.py"
}
Result of read_file 6,035 characters
{
  "status": "ok",
  "filepath": "botocore/endpoint.py",
  "content": "# Copyright (c) 2012-2013 Mitch Garnaat http://garnaat.org/\n# Copyright 2012-2014 Amazon.com, Inc. or its affiliates. All Rights Reserved.\n#\n# Licensed under the Apache License, Version 2.0 (the \"License\"). You\n# may not use this file except in compliance with the License. A copy of\n# the License is located at\n#\n# http://aws.amazon.com/apache2.0/\n#\n# or in the \"license\" file accompanying this file. This file is\n# distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF\n# ANY KIND, either express or implied. See the License for the specific\n# language governing permissions and limitations under the License.\n\nimport os\nimport logging\nimport time\nimport threading\n\nfrom botocore.vendored.requests.sessions import Session\nfrom botocore.vendored.requests.utils import get_environ_proxies\nfrom botocore.vendored.requests.exceptions import ConnectionError\nfrom botocore.vendored import six\n\nfrom botocore.awsrequest import create_request_object\nfrom botocore.exceptions import UnknownEndpointError\nfrom botocore.exceptions import EndpointConnectionError\nfrom botocore.exceptions import ConnectionClosedError\nfrom botocore.compat import filter_ssl_warnings\nfrom botocore.utils import is_valid_endpoint_url\nfrom botocore.hooks import first_non_none_response\nfrom botocore.response import StreamingBody\nfrom botocore import parsers\n\n\nlogger = logging.getLogger(__name__)\nDEFAULT_TIMEOUT = 60\nfilter_ssl_warnings()\n\ntry:\n    from botocore.vendored.requests.packages.urllib3.contrib import pyopenssl\n    pyopenssl.extract_from_urllib3()\nexcept ImportError:\n    pass\n\n\ndef convert_to_response_dict(http_response, operation_model):\n    \"\"\"Convert an HTTP response object to a request dict.\n\n    This converts the requests library's HTTP response object to\n    a dictionary.\n\n    :type http_response: botocore.vendored.requests.model.Response\n    :param http_response: The HTTP response from an AWS service request.\n\n    :rtype: dict\n    :return: A response dictionary which will contain the following keys:\n        * headers (dict)\n        * status_code (int)\n        * body (string or file-like object)\n\n    \"\"\"\n    response_dict = {\n        'headers': http_response.headers,\n        'status_code': http_response.status_code,\n    }\n    if response_dict['status_code'] >= 300:\n        response_dict['body'] = http_response.content\n    elif operation_model.has_streaming_output:\n        response_dict['body'] = StreamingBody(\n            http_response.raw, response_dict['headers'].get('content-length'))\n    else:\n        response_dict['body'] = http_response.content\n    return response_dict\n\n\nclass PreserveAuthSession(Session):\n    def rebuild_auth(self, prepared_request, response):\n        pass\n\n\nclass Endpoint(object):\n    \"\"\"\n    Represents an endpoint for a particular service in a specific\n    region.  Only an endpoint can make requests.\n\n    :ivar service: The Service object that describes this endpoints\n        service.\n    :ivar host: The fully qualified endpoint hostname.\n    :ivar session: The session object.\n    \"\"\"\n\n    def __init__(self, host, endpoint_prefix,\n                 event_emitter, proxies=None, verify=True,\n                 timeout=DEFAULT_TIMEOUT, response_parser_factory=None):\n        self._endpoint_prefix = endpoint_prefix\n        self._event_emitter = event_emitter\n        self.host = host\n        self.verify = verify\n        if proxies is None:\n            proxies = {}\n        self.proxies = proxies\n        self.http_session = PreserveAuthSession()\n        self.timeout = timeout\n        logger.debug('Setting %s timeout as %s', endpoint_prefix, self.timeout)\n        self._lock = threading.Lock()\n        if response_parser_factory is None:\n            response_parser_factory = parsers.ResponseParserFactory()\n        self._response_parser_factory = response_parser_factory\n\n    def __repr__(self):\n        return '%s(%s)' % (self._endpoint_prefix, self.host)\n\n    def make_request(self, operation_model, request_dict):\n        logger.debug(\"Making request for %s (verify_ssl=%s) with params: %s\",\n                     operation_model, self.verify, request_dict)\n        return self._send_request(request_dict, operation_model)\n\n    def create_request(self, params, operation_model=None):\n        request = create_request_object(params)\n        if operation_model:\n            event_name = 'request-created.{endpoint_prefix}.{op_name}'.format(\n                endpoint_prefix=self._endpoint_prefix,\n                op_name=operation_model.name)\n            self._event_emitter.emit(event_name, request=request,\n                                     operation_name=operation_model.name)\n        prepared_request = self.prepare_request(request)\n        return prepared_request\n\n    def _encode_headers(self, headers):\n        # In place encoding of headers to utf-8 if they are unicode.\n        for key, value in headers.items():\n            if isinstance(value, six.text_type):\n                headers[key] = value.encode('utf-8')\n\n    def prepare_request(self, request):\n        self._encode_headers(request.headers)\n        return request.prepare()\n\n    def _send_request(self, request_dict, operation_model):\n        attempts = 1\n        request = self.create_request(request_dict, operation_model)\n        success_response, exception = self._get_response(\n            request, operation_model, attempts)\n        while self._needs_retry(attempts, operation_model,\n                                success_response, exception):\n            attempts += 1\n            # If there is a stream associated with the request, we need\n            # to reset it before attempting to send the request again.\n            # This will ensure that we resend the entire contents of the",
  "start_line": 1,
  "end_line": 150,
  "total_lines": 266,
  "is_truncated": true
}
Generated tokens 92 tokens · stopped: STOP
The `grep` results for "protocols" didn't show much relevant to endpoint resolution. Let's try searching for "hostname" or "endpoint" in `botocore/endpoint.py`. Actually, the issue is about how the URL is constructed. Let's look at `botocore/endpoint.py`. <channel|><|tool_call>call:read_file{filepath:<|"|>botocore/endpoint.py<|"|>}<tool_call|><|tool_response>
Turn 3at 64 s185 tokens out6,139 prompt tokens
The `Endpoint` class in `botocore/endpoint.py` has a `host` attribute.-
```python
class Endpoint(object):
    def __init__(self, host, endpoint_prefix,
                 event_emitter, proxies=None, verify=True,
                 timeout=DEFAULT_TIMEOUT, response_parser_factory=None):
        self._endpoint_prefix = endpoint_prefix
        self._event_emitter = event_emitter
        self.host = host
```
The `host` is passed to the `Endpoint` constructor. I need to find out where `Endpoint` is instantiated and how `host` is determined.

Let's search for where `Endpoint(` is called.
TOOL CALL · run_command
{
  "command": "grep -rn --include=\"*.py\" \"Endpoint(\" botocore/"
}
Result of run_command 160 characters
{
  "status": "ok",
  "stdout": "botocore/endpoint.py:82:class Endpoint(object):\nbotocore/endpoint.py:241:        return Endpoint(\n",
  "stderr": "",
  "exit_code": 0
}
Generated tokens 185 tokens · stopped: STOP
The `Endpoint` class in `botocore/endpoint.py` has a `host` attribute.- ```python class Endpoint(object): def __init__(self, host, endpoint_prefix, event_emitter, proxies=None, verify=True, timeout=DEFAULT_TIMEOUT, response_parser_factory=None): self._endpoint_prefix = endpoint_prefix self._event_emitter = event_emitter self.host = host ``` The `host` is passed to the `Endpoint` constructor. I need to find out where `Endpoint` is instantiated and how `host` is determined. Let's search for where `Endpoint(` is called. <channel|><|tool_call>call:run_command{command:<|"|>grep -rn --include="*.py" "Endpoint(" botocore/<|"|>}<tool_call|><|tool_response>
Turn 4at 69 s75 tokens out6,395 prompt tokens
Wait, `grep` returned `botocore/endpoint.py:241`. Let's look at that part of `botocore/endpoint.py`.
TOOL CALL · read_file
{
  "end_line": 266,
  "filepath": "botocore/endpoint.py",
  "start_line": 200
}
Result of read_file 3,166 characters
{
  "status": "ok",
  "filepath": "botocore/endpoint.py",
  "content": "        parser = self._response_parser_factory.create_parser(\n            operation_model.metadata['protocol'])\n        return ((http_response,\n                 parser.parse(response_dict, operation_model.output_shape)),\n                None)\n\n    def _looks_like_dns_error(self, e):\n        return 'gaierror' in str(e) and e.request is not None\n\n    def _looks_like_bad_status_line(self, e):\n        return 'BadStatusLine' in str(e) and e.request is not None\n\n    def _needs_retry(self, attempts, operation_model, response=None,\n                     caught_exception=None):\n        event_name = 'needs-retry.%s.%s' % (self._endpoint_prefix,\n                                            operation_model.name)\n        responses = self._event_emitter.emit(\n            event_name, response=response, endpoint=self,\n            operation=operation_model, attempts=attempts,\n            caught_exception=caught_exception)\n        handler_response = first_non_none_response(responses)\n        if handler_response is None:\n            return False\n        else:\n            # Request needs to be retried, and we need to sleep\n            # for the specified number of times.\n            logger.debug(\"Response received to retry, sleeping for \"\n                         \"%s seconds\", handler_response)\n            time.sleep(handler_response)\n            return True\n\n\nclass EndpointCreator(object):\n    def __init__(self, event_emitter):\n        self._event_emitter = event_emitter\n\n    def create_endpoint(self, service_model, region_name, endpoint_url,\n                        verify=None, response_parser_factory=None,\n                        timeout=DEFAULT_TIMEOUT):\n        if not is_valid_endpoint_url(endpoint_url):\n            raise ValueError(\"Invalid endpoint: %s\" % endpoint_url)\n        return Endpoint(\n            endpoint_url,\n            endpoint_prefix=service_model.endpoint_prefix,\n            event_emitter=self._event_emitter,\n            proxies=self._get_proxies(endpoint_url),\n            verify=self._get_verify_value(verify),\n            timeout=timeout,\n            response_parser_factory=response_parser_factory)\n\n    def _get_proxies(self, url):\n        # We could also support getting proxies from a config file,\n        # but for now proxy support is taken from the environment.\n        return get_environ_proxies(url)\n\n    def _get_verify_value(self, verify):\n        # This is to account for:\n        # https://github.com/kennethreitz/requests/issues/1436\n        # where we need to honor REQUESTS_CA_BUNDLE because we're creating our\n        # own request objects.\n        # First, if verify is not None, then the user explicitly specified\n        # a value so this automatically wins.\n        if verify is not None:\n            return verify\n        # Otherwise use the value from REQUESTS_CA_BUNDLE, or default to\n        # True if the env var does not exist.\n        return os.environ.get('REQUESTS_CA_BUNDLE', True)",
  "start_line": 200,
  "end_line": 266,
  "total_lines": 266,
  "is_truncated": false
}
Generated tokens 75 tokens · stopped: STOP
Wait, `grep` returned `botocore/endpoint.py:241`. Let's look at that part of `botocore/endpoint.py`. <channel|><|tool_call>call:read_file{filepath:<|"|>botocore/endpoint.py<|"|>,start_line:200,end_line:266}<tool_call|><|tool_response>
Turn 5at 80 s186 tokens out7,313 prompt tokens
Okay, `EndpointCreator.create_endpoint` is where the `Endpoint` is created. It takes `endpoint_url` as an argument.

```python
    def create_endpoint(self, service_model, region_name, endpoint_url,
                        verify=None, response_parser_factory=None,
                        timeout=DEFAULT_TIMEOUT):
        if not is_valid_endpoint_url(endpoint_url):
            raise ValueError("Invalid endpoint: %s" % endpoint_url)
        return Endpoint(
            endpoint_url,
            # ...
```

So the `endpoint_url` is passed in already constructed. I need to find where `create_endpoint` is called.
TOOL CALL · run_command
{
  "command": "grep -rn --include=\"*.py\" \"create_endpoint\" botocore/"
}
Result of run_command 393 characters
{
  "status": "ok",
  "stdout": "botocore/endpoint.py:236:    def create_endpoint(self, service_model, region_name, endpoint_url,\nbotocore/client.py:184:        endpoint = endpoint_creator.create_endpoint(\nbotocore/client.py:274:            return self._create_endpoint(\nbotocore/client.py:287:    def _create_endpoint(self, resolved, service_name, region_name,\n",
  "stderr": "",
  "exit_code": 0
}
Generated tokens 186 tokens · stopped: STOP
Okay, `EndpointCreator.create_endpoint` is where the `Endpoint` is created. It takes `endpoint_url` as an argument. ```python def create_endpoint(self, service_model, region_name, endpoint_url, verify=None, response_parser_factory=None, timeout=DEFAULT_TIMEOUT): if not is_valid_endpoint_url(endpoint_url): raise ValueError("Invalid endpoint: %s" % endpoint_url) return Endpoint( endpoint_url, # ... ``` So the `endpoint_url` is passed in already constructed. I need to find where `create_endpoint` is called. <channel|><|tool_call>call:run_command{command:<|"|>grep -rn --include="*.py" "create_endpoint" botocore/<|"|>}<tool_call|><|tool_response>
Turn 6at 84 s78 tokens out7,647 prompt tokens
It's called in `botocore/client.py`. Let's examine `botocore/client.py` around line 184 and 274.
TOOL CALL · read_file
{
  "end_line": 300,
  "filepath": "botocore/client.py",
  "start_line": 150
}
Result of read_file 7,080 characters
{
  "status": "ok",
  "filepath": "botocore/client.py",
  "content": "            service_name, region_name, endpoint_url, is_secure)\n\n        # Override the user agent if specified in the client config.\n        user_agent = self._user_agent\n        if client_config is not None:\n            if client_config.user_agent is not None:\n                user_agent = client_config.user_agent\n            if client_config.user_agent_extra is not None:\n                user_agent += ' %s' % client_config.user_agent_extra\n\n        signer = RequestSigner(\n            service_name, endpoint_config['signing_region'],\n            endpoint_config['signing_name'],\n            endpoint_config['signature_version'],\n            credentials, event_emitter)\n\n        # Create a new client config to be passed to the client based\n        # on the final values. We do not want the user to be able\n        # to try to modify an existing client with a client config.\n        config_kwargs = dict(\n            region_name=endpoint_config['region_name'],\n            signature_version=endpoint_config['signature_version'],\n            user_agent=user_agent)\n        if client_config is not None:\n            config_kwargs.update(\n                connect_timeout=client_config.connect_timeout,\n                read_timeout=client_config.read_timeout)\n\n        # Add any additional s3 configuration for client\n        self._inject_s3_configuration(\n            config_kwargs, scoped_config, client_config)\n\n        new_config = Config(**config_kwargs)\n        endpoint_creator = EndpointCreator(event_emitter)\n        endpoint = endpoint_creator.create_endpoint(\n            service_model, region_name=endpoint_config['region_name'],\n            endpoint_url=endpoint_config['endpoint_url'], verify=verify,\n            response_parser_factory=self._response_parser_factory,\n            timeout=(new_config.connect_timeout, new_config.read_timeout))\n\n        return {\n            'serializer': serializer,\n            'endpoint': endpoint,\n            'response_parser': response_parser,\n            'event_emitter': event_emitter,\n            'request_signer': signer,\n            'service_model': service_model,\n            'loader': self._loader,\n            'client_config': new_config\n        }\n\n    def _create_methods(self, service_model):\n        op_dict = {}\n        for operation_name in service_model.operation_names:\n            py_operation_name = xform_name(operation_name)\n            op_dict[py_operation_name] = self._create_api_method(\n                py_operation_name, operation_name, service_model)\n        return op_dict\n\n    def _create_name_mapping(self, service_model):\n        # py_name -> OperationName, for every operation available\n        # for a service.\n        mapping = {}\n        for operation_name in service_model.operation_names:\n            py_operation_name = xform_name(operation_name)\n            mapping[py_operation_name] = operation_name\n        return mapping\n\n    def _create_api_method(self, py_operation_name, operation_name,\n                           service_model):\n        def _api_call(self, *args, **kwargs):\n            # We're accepting *args so that we can give a more helpful\n            # error message than TypeError: _api_call takes exactly\n            # 1 argument.\n            if args:\n                raise TypeError(\n                    \"%s() only accepts keyword arguments.\" % py_operation_name)\n            # The \"self\" in this scope is referring to the BaseClient.\n            return self._make_api_call(operation_name, kwargs)\n\n        _api_call.__name__ = str(py_operation_name)\n\n        # Add the docstring to the client method\n        operation_model = service_model.operation_model(operation_name)\n        docstring = ClientMethodDocstring(\n            operation_model=operation_model,\n            method_name=operation_name,\n            event_emitter=self._event_emitter,\n            method_description=operation_model.documentation,\n            example_prefix='response = client.%s' % py_operation_name,\n            include_signature=False\n        )\n        _api_call.__doc__ = docstring\n        return _api_call\n\n\nclass ClientEndpointBridge(object):\n    \"\"\"Bridges endpoint data and client creation\n\n    This class handles taking out the relevant arguments from the endpoint\n    resolver and determining which values to use, taking into account any\n    client configuration options and scope configuration options.\n\n    This class also handles determining what, if any, region to use if no\n    explicit region setting is provided. For example, Amazon S3 client will\n    utilize \"us-east-1\" by default if no region can be resolved.\"\"\"\n\n    DEFAULT_ENDPOINT = '{service}.{region}.amazonaws.com'\n\n    def __init__(self, endpoint_resolver, scoped_config=None,\n                 client_config=None, default_endpoint=None,\n                 service_signing_name=None):\n        self.service_signing_name = service_signing_name\n        self.endpoint_resolver = endpoint_resolver\n        self.scoped_config = scoped_config\n        self.client_config = client_config\n        self.default_endpoint = default_endpoint or self.DEFAULT_ENDPOINT\n\n    def resolve(self, service_name, region_name=None, endpoint_url=None,\n                is_secure=True):\n        region_name = self._check_default_region(service_name, region_name)\n        resolved = self.endpoint_resolver.construct_endpoint(\n            service_name, region_name)\n        if resolved:\n            return self._create_endpoint(\n                resolved, service_name, region_name, endpoint_url, is_secure)\n        else:\n            return self._assume_endpoint(service_name, region_name,\n                                         endpoint_url, is_secure)\n\n    def _check_default_region(self, service_name, region_name):\n        if region_name is not None:\n            return region_name\n        # Use the client_config region if no explicit region was provided.\n        if self.client_config and self.client_config.region_name is not None:\n            return self.client_config.region_name\n\n    def _create_endpoint(self, resolved, service_name, region_name,\n                         endpoint_url, is_secure):\n        region_name, signing_region = self._pick_region_values(\n            resolved, region_name, endpoint_url)\n        if endpoint_url is None:\n            # Use the sslCommonName over the hostname for Python 2.6 compat.\n            hostname = resolved.get('sslCommonName', resolved.get('hostname'))\n            endpoint_url = self._make_url(hostname, is_secure)\n        signature_version = self._resolve_signature_version(\n            service_name, resolved)\n        signing_name = self._resolve_signing_name(service_name, resolved)\n        return self._create_result(\n            service_name=service_name, region_name=region_name,",
  "start_line": 150,
  "end_line": 299,
  "total_lines": 679,
  "is_truncated": true
}
Generated tokens 78 tokens · stopped: STOP
It's called in `botocore/client.py`. Let's examine `botocore/client.py` around line 184 and 274. <channel|><|tool_call>call:read_file{end_line:300,filepath:<|"|>botocore/client.py<|"|>,start_line:150}<tool_call|><|tool_response>
Turn 7at 95 s212 tokens out9,544 prompt tokens
The `ClientEndpointBridge._create_endpoint` method is where the URL is constructed.

```python
    def _create_endpoint(self, resolved, service_name, region_name,
                         endpoint_url, is_secure):
        region_name, signing_region = self._pick_region_values(
            resolved, region_name, endpoint_url)
        if endpoint_url is None:
            # Use the sslCommonName over the hostname for Python 2.6 compat.
            hostname = resolved.get('sslCommonName', resolved.get('hostname'))
            endpoint_url = self._make_url(hostname, is_secure)
```

And `_make_url` probably handles the protocol.

Let's find `_make_url` in `botocore/client.py`.
TOOL CALL · run_command
{
  "command": "grep -n \"_make_url\" botocore/client.py"
}
Result of run_command 247 characters
{
  "status": "ok",
  "stdout": "294:            endpoint_url = self._make_url(hostname, is_secure)\n310:            endpoint_url = self._make_url(hostname, is_secure)\n335:    def _make_url(self, hostname, is_secure):\n",
  "stderr": "",
  "exit_code": 0
}
Generated tokens 212 tokens · stopped: STOP
The `ClientEndpointBridge._create_endpoint` method is where the URL is constructed. ```python def _create_endpoint(self, resolved, service_name, region_name, endpoint_url, is_secure): region_name, signing_region = self._pick_region_values( resolved, region_name, endpoint_url) if endpoint_url is None: # Use the sslCommonName over the hostname for Python 2.6 compat. hostname = resolved.get('sslCommonName', resolved.get('hostname')) endpoint_url = self._make_url(hostname, is_secure) ``` And `_make_url` probably handles the protocol. Let's find `_make_url` in `botocore/client.py`. <channel|><|tool_call>call:run_command{command:<|"|>grep -n "_make_url" botocore/client.py<|"|>}<tool_call|><|tool_response>
Turn 8at 98 s50 tokens out9,858 prompt tokens
Let's look at `_make_url`.
TOOL CALL · read_file
{
  "end_line": 345,
  "filepath": "botocore/client.py",
  "start_line": 330
}
Result of read_file 817 characters
{
  "status": "ok",
  "filepath": "botocore/client.py",
  "content": "            'endpoint_url': endpoint_url,\n            'signature_version': signature_version,\n            'metadata': metadata\n        }\n\n    def _make_url(self, hostname, is_secure):\n        endpoint_url = 'https://' if is_secure else 'http://'\n        return endpoint_url + hostname\n\n    def _resolve_signing_name(self, service_name, resolved):\n        # CredentialScope overrides everything else.\n        if 'credentialScope' in resolved \\\n                and 'service' in resolved['credentialScope']:\n            return resolved['credentialScope']['service']\n        # Use the signingName from the model if present.\n        if self.service_signing_name:",
  "start_line": 330,
  "end_line": 345,
  "total_lines": 679,
  "is_truncated": false
}
Generated tokens 50 tokens · stopped: STOP
Let's look at `_make_url`. <channel|><|tool_call>call:read_file{end_line:345,filepath:<|"|>botocore/client.py<|"|>,start_line:330}<tool_call|><|tool_response>
Turn 9at 110 s188 tokens out10,147 prompt tokens
`_make_url` uses `is_secure` to decide between `https://` and `http://`.

```python
    def _make_url(self, hostname, is_secure):
        endpoint_url = 'https://' if is_secure else 'http://'\n        return endpoint_url + hostname
```

Now I need to see where `is_secure` comes from. It's passed to `resolve`.

```python
    def resolve(self, service_name, region_name=None, endpoint_url=None,
                is_secure=True):
```

Wait, the default value for `is_secure` is `True`.

Let's check where `resolve` is called.
TOOL CALL · run_command
{
  "command": "grep -n \".resolve(\" botocore/client.py"
}
Result of run_command 194 characters
{
  "status": "ok",
  "stdout": "149:        endpoint_config = endpoint_bridge.resolve(\n268:    def resolve(self, service_name, region_name=None, endpoint_url=None,\n",
  "stderr": "",
  "exit_code": 0
}
Generated tokens 188 tokens · stopped: STOP
`_make_url` uses `is_secure` to decide between `https://` and `http://`. ```python def _make_url(self, hostname, is_secure): endpoint_url = 'https://' if is_secure else 'http://'\n return endpoint_url + hostname ``` Now I need to see where `is_secure` comes from. It's passed to `resolve`. ```python def resolve(self, service_name, region_name=None, endpoint_url=None, is_secure=True): ``` Wait, the default value for `is_secure` is `True`. Let's check where `resolve` is called. <channel|><|tool_call>call:run_command{command:<|"|>grep -n ".resolve(" botocore/client.py<|"|>}<tool_call|><|tool_response>
Turn 10at 114 s57 tokens out10,416 prompt tokens
It's called at line 149. Let's look around there.
TOOL CALL · read_file
{
  "end_line": 155,
  "filepath": "botocore/client.py",
  "start_line": 140
}
Result of read_file 938 characters
{
  "status": "ok",
  "filepath": "botocore/client.py",
  "content": "            parameter_validation = client_config.parameter_validation\n        serializer = botocore.serialize.create_serializer(\n            protocol, parameter_validation)\n\n        event_emitter = copy.copy(self._event_emitter)\n        response_parser = botocore.parsers.create_parser(protocol)\n        endpoint_bridge = ClientEndpointBridge(\n            self._endpoint_resolver, scoped_config, client_config,\n            service_model.metadata.get('signingName'))\n        endpoint_config = endpoint_bridge.resolve(\n            service_name, region_name, endpoint_url, is_secure)\n\n        # Override the user agent if specified in the client config.\n        user_agent = self._user_agent\n        if client_config is not None:\n            if client_config.user_agent is not None:",
  "start_line": 140,
  "end_line": 155,
  "total_lines": 679,
  "is_truncated": false
}
Generated tokens 57 tokens · stopped: STOP
It's called at line 149. Let's look around there. <channel|><|tool_call>call:read_file{end_line:155,filepath:<|"|>botocore/client.py<|"|>,start_line:140}<tool_call|><|tool_response>
Turn 11at 117 s59 tokens out10,740 prompt tokens
Now I need to see where `is_secure` is defined before line 149.
TOOL CALL · read_file
{
  "end_line": 140,
  "filepath": "botocore/client.py",
  "start_line": 100
}
Result of read_file 2,085 characters
{
  "status": "ok",
  "filepath": "botocore/client.py",
  "content": "\n        logger.debug(\"Registering retry handlers for service: %s\",\n                     service_model.service_name)\n        handler = self._retry_handler_factory.create_retry_handler(\n            retry_config, endpoint_prefix)\n        unique_id = 'retry-config-%s' % endpoint_prefix\n        self._event_emitter.register('needs-retry.%s' % endpoint_prefix,\n                                     handler, unique_id=unique_id)\n\n    def _inject_s3_configuration(self, config_kwargs, scoped_config,\n                                 client_config):\n        s3_configuration = None\n\n        # Check the scoped config first\n        if scoped_config is not None:\n            s3_configuration = scoped_config.get('s3')\n\n        # Next specfic client config values takes precedence over\n        # specific values in the scoped config.\n        if client_config is not None:\n            if client_config.s3 is not None:\n                if s3_configuration is None:\n                    s3_configuration = client_config.s3\n                else:\n                    # The current s3_configuration dictionary may be\n                    # from a source that only should be read from so\n                    # we want to be safe and just make a copy of it to modify\n                    # before it actually gets updated.\n                    s3_configuration = s3_configuration.copy()\n                    s3_configuration.update(client_config.s3)\n\n        config_kwargs['s3'] = s3_configuration\n\n    def _get_client_args(self, service_model, region_name, is_secure,\n                         endpoint_url, verify, credentials,\n                         scoped_config, client_config):\n        service_name = service_model.endpoint_prefix\n        protocol = service_model.metadata['protocol']\n        parameter_validation = True\n        if client_config:\n            parameter_validation = client_config.parameter_validation",
  "start_line": 100,
  "end_line": 140,
  "total_lines": 679,
  "is_truncated": false
}
Generated tokens 59 tokens · stopped: STOP
Now I need to see where `is_secure` is defined before line 149. <channel|><|tool_call>call:read_file{end_line:140,filepath:<|"|>botocore/client.py<|"|>,start_line:100}<tool_call|><|tool_response>
Turn 12at 127 s128 tokens out11,337 prompt tokens
The method containing this call is `_get_client_args` (or something that calls it). Let's read the beginning of the method that calls `resolve` at line 149. It's probably `_get_client_args` given the line 134 declaration.

Wait, `_get_client_args` starts at line 134. Let's read it fully.
TOOL CALL · read_file
{
  "end_line": 160,
  "filepath": "botocore/client.py",
  "start_line": 134
}
Result of read_file 1,449 characters
{
  "status": "ok",
  "filepath": "botocore/client.py",
  "content": "                         endpoint_url, verify, credentials,\n                         scoped_config, client_config):\n        service_name = service_model.endpoint_prefix\n        protocol = service_model.metadata['protocol']\n        parameter_validation = True\n        if client_config:\n            parameter_validation = client_config.parameter_validation\n        serializer = botocore.serialize.create_serializer(\n            protocol, parameter_validation)\n\n        event_emitter = copy.copy(self._event_emitter)\n        response_parser = botocore.parsers.create_parser(protocol)\n        endpoint_bridge = ClientEndpointBridge(\n            self._endpoint_resolver, scoped_config, client_config,\n            service_model.metadata.get('signingName'))\n        endpoint_config = endpoint_bridge.resolve(\n            service_name, region_name, endpoint_url, is_secure)\n\n        # Override the user agent if specified in the client config.\n        user_agent = self._user_agent\n        if client_config is not None:\n            if client_config.user_agent is not None:\n                user_agent = client_config.user_agent\n            if client_config.user_agent_extra is not None:\n                user_agent += ' %s' % client_config.user_agent_extra\n\n        signer = RequestSigner(",
  "start_line": 134,
  "end_line": 160,
  "total_lines": 679,
  "is_truncated": false
}
Generated tokens 128 tokens · stopped: STOP
The method containing this call is `_get_client_args` (or something that calls it). Let's read the beginning of the method that calls `resolve` at line 149. It's probably `_get_client_args` given the line 134 declaration. Wait, `_get_client_args` starts at line 134. Let's read it fully. <channel|><|tool_call>call:read_file{end_line:160,filepath:<|"|>botocore/client.py<|"|>,start_line:134}<tool_call|><|tool_response>
Turn 13at 132 s70 tokens out11,855 prompt tokens
`is_secure` is passed as an argument to `_get_client_args`.

Now let's find where `_get_client_args` is called.
TOOL CALL · run_command
{
  "command": "grep -n \"_get_client_args(\" botocore/client.py"
}
Result of run_command 184 characters
{
  "status": "ok",
  "stdout": "60:        client_args = self._get_client_args(\n133:    def _get_client_args(self, service_model, region_name, is_secure,\n",
  "stderr": "",
  "exit_code": 0
}
Generated tokens 70 tokens · stopped: STOP
`is_secure` is passed as an argument to `_get_client_args`. Now let's find where `_get_client_args` is called. <channel|><|tool_call>call:run_command{command:<|"|>grep -n "_get_client_args(" botocore/client.py<|"|>}<tool_call|><|tool_response>
Turn 14at 136 s49 tokens out12,008 prompt tokens
Line 60. Let's look at that.
TOOL CALL · read_file
{
  "end_line": 70,
  "filepath": "botocore/client.py",
  "start_line": 50
}
Result of read_file 1,253 characters
{
  "status": "ok",
  "filepath": "botocore/client.py",
  "content": "        self._retry_config_translator = retry_config_translator\n        self._response_parser_factory = response_parser_factory\n\n    def create_client(self, service_name, region_name, is_secure=True,\n                      endpoint_url=None, verify=None,\n                      credentials=None, scoped_config=None,\n                      api_version=None,\n                      client_config=None):\n        service_model = self._load_service_model(service_name, api_version)\n        cls = self._create_client_class(service_name, service_model)\n        client_args = self._get_client_args(\n            service_model, region_name, is_secure, endpoint_url,\n            verify, credentials, scoped_config, client_config)\n        return cls(**client_args)\n\n    def create_client_class(self, service_name, api_version=None):\n        service_model = self._load_service_model(service_name, api_version)\n        return self._create_client_class(service_name, service_model)\n\n    def _create_client_class(self, service_name, service_model):\n        class_attributes = self._create_methods(service_model)",
  "start_line": 50,
  "end_line": 70,
  "total_lines": 679,
  "is_truncated": false
}
Generated tokens 49 tokens · stopped: STOP
Line 60. Let's look at that. <channel|><|tool_call>call:read_file{end_line:70,filepath:<|"|>botocore/client.py<|"|>,start_line:50}<tool_call|><|tool_response>
Turn 15at 207 s921 tokens out12,424 prompt tokens
Okay, so `create_client` has `is_secure=True` by default.

The a problem is that `is_secure` is passed along from `create_client` -> `_get_client_args` -> `endpoint_bridge.resolve` -> `_create_endpoint` -> `_make_url`.

In `_create_endpoint`, if `endpoint_url` is `None`, it uses `hostname` and `is_secure` to make a URL.

```python
    def _create_endpoint(self, resolved, service_name, region_name,
                         endpoint_url, is_secure):
        region_name, signing_region = self._pick_region_values(
            resolved, region_name, endpoint_url)
        if endpoint_url is None:
            # Use the sslCommonName over the hostname for Python 2.6 compat.
            hostname = resolved.get('sslCommonName', resolved.get('hostname'))
            endpoint_url = self._make_url(hostname, is_secure)
```

The `resolved` object comes from `self.endpoint_resolver.construct_endpoint(service_name, region_name)`.

If `resolved` contains information about the protocol (which the user says it does in `endpoints.json`), we should use it.

Let's look at the `resolved` object. The user said `endpoints.json` has:
```json
            "local": {
              "hostname": "localhost:8000",
              "protocols": [
                "http"
              ],
              "credentialScope": {
                "region": "us-east-1"
              }
            }
```
So `resolved` (which is likely the value corresponding to the region in `endpoints.json`) has a `protocols` key.

So in `_create_endpoint`, we should check if `resolved` has `protocols` and use it to determine `is_secure`.

But wait, `is_secure` is already passed as an argument. If we want to honor the protocol in `endpoints.json`, we should probably check it before using `is_secure`.

Let's see if there's a preferred way to determine `is_secure` from `protocols`.
If `protocols` is `['http']`, then `is_secure` should be `False`. If `protocols` is `['https']`, then `is_secure` should be `True`.

Wait, `protocols` is a list. Usually, if it contains `https`, we prefer `https` unless `is_secure` is explicitly `False`. But if it only contains `http`, we must use `http`.

However, for `local`, it only has `http`.

Let's refine `_create_endpoint` in `botocore/client.py` to check `resolved.get('protocols')`.

But before I do that, I want to reproduce the issue.

I can't actually run a DynamoDB local server, but I can mock the `endpoint_resolver` to return what's in `endpoints.json` for `local`.

The user's reproduction script:
```python
import botocore.session
botocore.session.get_session().create_client('dynamodb', 'local').list_tables()
```

I can create a small reproduction script that mocks the endpoint data for `dynamodb` in `local` region.

Wait, I can just use the existing `botocore` and see what happens. But I don't have a server. The error they get is `SSLError: [SSL: UNKNOWN_PROTOCOL] unknown protocol`, which happens when you try to talk HTTPS to an HTTP port. This confirms that it IS trying to use HTTPS.

I can write a reproduction script that just checks the `endpoint.host` attribute of the created client.
TOOL CALL · run_command
{
  "command": "python3 - <<'PY'\nimport botocore.session\nsession = botocore.session.get_session()\nclient = session.create_client('dynamodb', 'local')\nprint(f\"Endpoint host: {client._endpoint.host}\")\nPY\n"
}
Result of run_command 4,023 characters
{
  "status": "error",
  "error_type": "CommandError",
  "error_message": "Traceback (most recent call last):\n  File \"<stdin>\", line 3, in <module>\n  File \"/workspace/botocore/session.py\", line 800, in create_client\n    credentials = self.get_credentials()\n  File \"/workspace/botocore/session.py\", line 438, in get_credentials\n    'credential_provider').load_credentials()\n  File \"/workspace/botocore/credentials.py\", line 1012, in load_credentials\n    creds = provider.load()\n  File \"/workspace/botocore/credentials.py\", line 472, in load\n    metadata = fetcher.retrieve_iam_role_credentials()\n  File \"/workspace/botocore/utils.py\", line 182, in retrieve_iam_role_credentials\n    r = self._get_request(url, timeout, num_attempts)\n  File \"/workspace/botocore/utils.py\", line 167, in _get_request\n    response = requests.get(url, timeout=timeout)\n  File \"/workspace/botocore/vendored/requests/api.py\", line 69, in get\n    return request('get', url, params=params, **kwargs)\n  File \"/workspace/botocore/vendored/requests/api.py\", line 50, in request\n    response = session.request(method=method, url=url, **kwargs)\n  File \"/workspace/botocore/vendored/requests/sessions.py\", line 465, in request\n    resp = self.send(prep, **send_kwargs)\n  File \"/workspace/botocore/vendored/requests/sessions.py\", line 573, in send\n    r = adapter.send(request, **kwargs)\n  File \"/workspace/botocore/vendored/requests/adapters.py\", line 370, in send\n    timeout=timeout\n  File \"/workspace/botocore/vendored/requests/packages/urllib3/connectionpool.py\", line 544, in urlopen\n    body=body, headers=headers)\n  File \"/workspace/botocore/vendored/requests/packages/urllib3/connectionpool.py\", line 349, in _make_request\n    conn.request(method, url, **httplib_request_kw)\n  File \"/usr/local/lib/python3.7/http/client.py\", line 1281, in request\n    self._send_request(method, url, body, headers, encode_chunked)\nTypeError: _send_request() takes 5 positional arguments but 6 were given\n",
  "details": {
    "stdout": "",
    "stderr": "Traceback (most recent call last):\n  File \"<stdin>\", line 3, in <module>\n  File \"/workspace/botocore/session.py\", line 800, in create_client\n    credentials = self.get_credentials()\n  File \"/workspace/botocore/session.py\", line 438, in get_credentials\n    'credential_provider').load_credentials()\n  File \"/workspace/botocore/credentials.py\", line 1012, in load_credentials\n    creds = provider.load()\n  File \"/workspace/botocore/credentials.py\", line 472, in load\n    metadata = fetcher.retrieve_iam_role_credentials()\n  File \"/workspace/botocore/utils.py\", line 182, in retrieve_iam_role_credentials\n    r = self._get_request(url, timeout, num_attempts)\n  File \"/workspace/botocore/utils.py\", line 167, in _get_request\n    response = requests.get(url, timeout=timeout)\n  File \"/workspace/botocore/vendored/requests/api.py\", line 69, in get\n    return request('get', url, params=params, **kwargs)\n  File \"/workspace/botocore/vendored/requests/api.py\", line 50, in request\n    response = session.request(method=method, url=url, **kwargs)\n  File \"/workspace/botocore/vendored/requests/sessions.py\", line 465, in request\n    resp = self.send(prep, **send_kwargs)\n  File \"/workspace/botocore/vendored/requests/sessions.py\", line 573, in send\n    r = adapter.send(request, **kwargs)\n  File \"/workspace/botocore/vendored/requests/adapters.py\", line 370, in send\n    timeout=timeout\n  File \"/workspace/botocore/vendored/requests/packages/urllib3/connectionpool.py\", line 544, in urlopen\n    body=body, headers=headers)\n  File \"/workspace/botocore/vendored/requests/packages/urllib3/connectionpool.py\", line 349, in _make_request\n    conn.request(method, url, **httplib_request_kw)\n  File \"/usr/local/lib/python3.7/http/client.py\", line 1281, in request\n    self._send_request(method, url, body, headers, encode_chunked)\nTypeError: _send_request() takes 5 positional arguments but 6 were given\n",
    "exit_code": 1
  }
}
Generated tokens 921 tokens · stopped: STOP
Okay, so `create_client` has `is_secure=True` by default. The a problem is that `is_secure` is passed along from `create_client` -> `_get_client_args` -> `endpoint_bridge.resolve` -> `_create_endpoint` -> `_make_url`. In `_create_endpoint`, if `endpoint_url` is `None`, it uses `hostname` and `is_secure` to make a URL. ```python def _create_endpoint(self, resolved, service_name, region_name, endpoint_url, is_secure): region_name, signing_region = self._pick_region_values( resolved, region_name, endpoint_url) if endpoint_url is None: # Use the sslCommonName over the hostname for Python 2.6 compat. hostname = resolved.get('sslCommonName', resolved.get('hostname')) endpoint_url = self._make_url(hostname, is_secure) ``` The `resolved` object comes from `self.endpoint_resolver.construct_endpoint(service_name, region_name)`. If `resolved` contains information about the protocol (which the user says it does in `endpoints.json`), we should use it. Let's look at the `resolved` object. The user said `endpoints.json` has: ```json "local": { "hostname": "localhost:8000", "protocols": [ "http" ], "credentialScope": { "region": "us-east-1" } } ``` So `resolved` (which is likely the value corresponding to the region in `endpoints.json`) has a `protocols` key. So in `_create_endpoint`, we should check if `resolved` has `protocols` and use it to determine `is_secure`. But wait, `is_secure` is already passed as an argument. If we want to honor the protocol in `endpoints.json`, we should probably check it before using `is_secure`. Let's see if there's a preferred way to determine `is_secure` from `protocols`. If `protocols` is `['http']`, then `is_secure` should be `False`. If `protocols` is `['https']`, then `is_secure` should be `True`. Wait, `protocols` is a list. Usually, if it contains `https`, we prefer `https` unless `is_secure` is explicitly `False`. But if it only contains `http`, we must use `http`. However, for `local`, it only has `http`. Let's refine `_create_endpoint` in `botocore/client.py` to check `resolved.get('protocols')`. But before I do that, I want to reproduce the issue. I can't actually run a DynamoDB local server, but I can mock the `endpoint_resolver` to return what's in `endpoints.json` for `local`. The user's reproduction script: ```python import botocore.session botocore.session.get_session().create_client('dynamodb', 'local').list_tables() ``` I can create a small reproduction script that mocks the endpoint data for `dynamodb` in `local` region. Wait, I can just use the existing `botocore` and see what happens. But I don't have a server. The error they get is `SSLError: [SSL: UNKNOWN_PROTOCOL] unknown protocol`, which happens when you try to talk HTTPS to an HTTP port. This confirms that it IS trying to use HTTPS. I can write a reproduction script that just checks the `endpoint.host` attribute of the created client. <channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY' import botocore.session session = botocore.session.get_session() client = session.create_client('dynamodb', 'local') print(f"Endpoint host: {client._endpoint.host}") PY <|"|>}<tool_call|><|tool_response>
Turn 16at 221 s163 tokens out14,702 prompt tokens
Damn, it seems like there's some other issue in the environment or how I'm calling it, as it's trying to fetch credentials from IAM role which fails with a `TypeError` in `http/client.py`.

I should avoid triggering credential lookup. I can pass dummy credentials to `create_client`.
TOOL CALL · run_command
{
  "command": "python3 - <<'PY'\nimport botocore.session\nsession = botocore.session.get_session()\nclient = session.create_client('dynamodb', 'local', aws_access_key_id='testing', aws_secret_access_key='testing')\nprint(f\"Endpoint host: {client._endpoint.host}\")\nPY\n"
}
Result of run_command 99 characters
{
  "status": "ok",
  "stdout": "Endpoint host: https://localhost:8000\n",
  "stderr": "",
  "exit_code": 0
}
Generated tokens 163 tokens · stopped: STOP
Damn, it seems like there's some other issue in the environment or how I'm calling it, as it's trying to fetch credentials from IAM role which fails with a `TypeError` in `http/client.py`. I should avoid triggering credential lookup. I can pass dummy credentials to `create_client`. <channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY' import botocore.session session = botocore.session.get_session() client = session.create_client('dynamodb', 'local', aws_access_key_id='testing', aws_secret_access_key='testing') print(f"Endpoint host: {client._endpoint.host}") PY <|"|>}<tool_call|><|tool_response>
Turn 17at 396 s2,176 tokens out5,200 prompt tokens
Aha! `Endpoint host: https://localhost:8000`.
Wait, that's it! For region `local` in `dynamodb`, it should be `http://localhost:8000` because `endpoints.json` says so.

Now I have a reproduction.

Let's go back to `botocore/client.py` and `_create_endpoint`.

```python
    def _create_endpoint(self, resolved, service_name, region_name,
                         endpoint_url, is_secure):
        region_name, signing_region = self._pick_region_values(
            resolved, region_name, endpoint_url)
        if endpoint_url is None:
            # Use the sslCommonName over the hostname for Python 2.6 compat.
            hostname = resolved.get('sslCommonName', resolved.get('hostname'))
            endpoint_url = self._make_url(hostname, is_secure)
```

We want to determine `is_secure` from `resolved.get('protocols')`.

If `protocols` is present:
- If it contains `https` and `http`, we default to `https` (unless `is_secure` is `False`).
- If it only contains `https`, we use `https`.
- If it only contains `http`, we use `http` (even if `is_secure` was `True`).

Wait, what if `is_secure` is passed as `False` by the user? We should definitely honor that.
What if `is_secure` is passed as `True` by the user? If the endpoint only supports `http`, we should probably still use `http`, or maybe we should warn/fail. But in the case of `local`, it's specifically intended to be `http`.

The logic should probably be:
1. Determine if `https` is supported by looking at `resolved.get('protocols')`.
2. If `protocols` is not provided, assume `https` is supported.
3. If `is_secure` is `True` AND `https` is supported, then `is_secure` remains `True`.
4. Otherwise, `is_secure` should be `False`.

Wait, if `protocols` is `['http', 'https']`, and `is_secure` is `True`, we use `https`.
If `protocols` is `['http']`, and `is_secure` is `True`, we MUST use `http` because it's not supported.
If `protocols` is `['https']`, and `is_secure` is `False`, we should probably use `https` anyway if it's the only one? Or maybe honor `is_secure=False`? Usually, if a user says `is_secure=False`, they want `http`. If `http` isn't supported, it'll fail.

Let's see how other AWS services handle this. `endpoints.json` usually doesn't have `protocols` for most services.

If `protocols` is present, it's a restriction on what is allowed.

So:
```python
        if endpoint_url is None:
            # Use the sslCommonName over the hostname for Python 2.6 compat.
            hostname = resolved.get('sslCommonName', resolved.get('hostname'))
            
            # NEW LOGIC HERE
            protocols = resolved.get('protocols')
            if protocols:
                if 'https' not in protocols:
                    is_secure = False
                elif 'http' not in protocols and is_secure is False:
                    # User wanted http, but only https is available.
                    # Should we force https? 
                    # In most cases, botocore honors is_secure.
                    pass
            
            endpoint_url = self._make_url(hostname, is_secure)
```

Wait, if `protocols` is `['http']`, then `'https' not in protocols` is `True`, so `is_secure` becomes `False`. Correct.
If `protocols` is `['https']`, then `'https' not in protocols` is `False`. `is_secure` remains whatever it was (default `True`). If user set `is_secure=False`, it remains `False`.

This seems correct and minimal.

Let's see if there are other places where `is_secure` is determined.

In `_get_client_args`:
```python
    def _get_client_args(self, service_model, region_name, is_secure,
                         endpoint_url, verify, credentials, scoped_config,
                         client_config):
        endpoint_bridge = ClientEndpointBridge(self.endpoint_resolver)
        endpoint = endpoint_bridge.resolve(service_model, region_name, is_secure,
                                            endpoint_url, verify)
```

And `resolve`:
```python
    def resolve(self, service_model, region_name, is_secure,
                 endpoint_url, verify):
        # ...
        return self._create_endpoint(resolved, service_model.service_name,
                                     region_name, endpoint_url, is_secure)
```

So `is_secure` is passed all the way from `create_client` to `_create_endpoint`.

Wait, I should check if `is_secure` is used anywhere else in `_create_endpoint` before it's passed to `_make_url`.

```python
    def _create_endpoint(self, resolved, service_name, region_name,
                         endpoint_url, is_secure):
        region_name, signing_region = self._pick_region_values(
            resolved, region_name, endpoint_url)
        if endpoint_url is None:
            # Use the sslCommonName over the hostname for Python 2.6 compat.
            hostname = resolved.get('sslCommonName', resolved.get('hostname'))
            endpoint_url = self._make_url(hostname, is_secure)
        
        # ...
```

It is only used once to create `endpoint_url`.

Are there any other parallel paths?
Wait, `ClientEndpointBridge` is used for both sync and async clients?
Actually, `botocore` doesn't have a separate `AsyncClient` in the same way `aiobotocore` does. `aiobotocore` wraps `botocore`.

Let's check if there are any other endpoints resolution mechanisms.

What about the `is_secure` value in `resolve`?
The user said:
"It was discovered that `is_secure` defaults to `True` in the `resolve` method, causing the client to default to HTTPS."

Wait, I saw `create_client` has `is_secure=True`.

```python
    def create_client(self, service_name, region_name, is_secure=True,
                      endpoint_url=None, verify=None,
                      credentials=None, scoped_config=None,
                      api_version=None,
                      client_config=None):
```

And it is passed to `_get_client_args`, then to `endpoint_bridge.resolve`.

If I change it in `_create_endpoint`, it only affects when `endpoint_url` is `None`. If the user provides `endpoint_url`, they've already specified the protocol.

Is there any other place where `is_secure` is used?

Let's look at `_make_url` to be sure.

```python
    def _make_url(self, hostname, is_secure):
        scheme = 'https' if is_secure else 'http'
        return f'{scheme}://{hostname}'
```

It's very simple.

Now, is there any other place that needs this fix?

What if `endpoint_url` is not `None`?
If `endpoint_url` is `https://localhost:8000`, then `_create_endpoint` skips `_make_url` and uses `endpoint_url` as is.

Wait, if the user provides an `endpoint_url`, but it contradicts the `protocols` in `endpoints.json`, should we care? Probably not, user override.

One more thing: what if `protocols` is missing? `resolved.get('protocols')` returns `None`. The code I proposed handles that.

What if `protocols` is an empty list? `if protocols:` will be `False`. That's probably fine, we fall back to `is_secure` default.

Wait, I should check if `is_secure` is used for signing.
In `_create_endpoint`:
```python
        region_name, signing_region = self._pick_region_values(
            resolved, region_name, endpoint_url)
```

`_pick_region_values` doesn't take `is_secure`.

Wait, does the signing region depend on the protocol? Usually no.

Let's check `ClientEndpointBridge.resolve` again.

```python
    def resolve(self, service_model, service_name, region_name, is_secure,
                 endpoint_url, verify):
        # ...
        resolved = self.endpoint_resolver.construct_endpoint(service_name, region_name)
        return self._create_endpoint(resolved, service_name, region_name,
                                     endpoint_url, is_secure)
```
Wait, I missed a parameter in my previous `read_file` of `resolve`. Let me read `resolve` and `_create_endpoint` again to be absolutely sure about the arguments.
TOOL CALL · read_file
{
  "end_line": 260,
  "filepath": "botocore/client.py",
  "start_line": 200
}
Result of read_file 2,808 characters
{
  "status": "ok",
  "filepath": "botocore/client.py",
  "content": "\n    def _create_methods(self, service_model):\n        op_dict = {}\n        for operation_name in service_model.operation_names:\n            py_operation_name = xform_name(operation_name)\n            op_dict[py_operation_name] = self._create_api_method(\n                py_operation_name, operation_name, service_model)\n        return op_dict\n\n    def _create_name_mapping(self, service_model):\n        # py_name -> OperationName, for every operation available\n        # for a service.\n        mapping = {}\n        for operation_name in service_model.operation_names:\n            py_operation_name = xform_name(operation_name)\n            mapping[py_operation_name] = operation_name\n        return mapping\n\n    def _create_api_method(self, py_operation_name, operation_name,\n                           service_model):\n        def _api_call(self, *args, **kwargs):\n            # We're accepting *args so that we can give a more helpful\n            # error message than TypeError: _api_call takes exactly\n            # 1 argument.\n            if args:\n                raise TypeError(\n                    \"%s() only accepts keyword arguments.\" % py_operation_name)\n            # The \"self\" in this scope is referring to the BaseClient.\n            return self._make_api_call(operation_name, kwargs)\n\n        _api_call.__name__ = str(py_operation_name)\n\n        # Add the docstring to the client method\n        operation_model = service_model.operation_model(operation_name)\n        docstring = ClientMethodDocstring(\n            operation_model=operation_model,\n            method_name=operation_name,\n            event_emitter=self._event_emitter,\n            method_description=operation_model.documentation,\n            example_prefix='response = client.%s' % py_operation_name,\n            include_signature=False\n        )\n        _api_call.__doc__ = docstring\n        return _api_call\n\n\nclass ClientEndpointBridge(object):\n    \"\"\"Bridges endpoint data and client creation\n\n    This class handles taking out the relevant arguments from the endpoint\n    resolver and determining which values to use, taking into account any\n    client configuration options and scope configuration options.\n\n    This class also handles determining what, if any, region to use if no\n    explicit region setting is provided. For example, Amazon S3 client will\n    utilize \"us-east-1\" by default if no region can be resolved.\"\"\"\n\n    DEFAULT_ENDPOINT = '{service}.{region}.amazonaws.com'\n\n    def __init__(self, endpoint_resolver, scoped_config=None,\n                 client_config=None, default_endpoint=None,",
  "start_line": 200,
  "end_line": 260,
  "total_lines": 679,
  "is_truncated": false
}
Generated tokens 2,176 tokens · stopped: STOP
Aha! `Endpoint host: https://localhost:8000`. Wait, that's it! For region `local` in `dynamodb`, it should be `http://localhost:8000` because `endpoints.json` says so. Now I have a reproduction. Let's go back to `botocore/client.py` and `_create_endpoint`. ```python def _create_endpoint(self, resolved, service_name, region_name, endpoint_url, is_secure): region_name, signing_region = self._pick_region_values( resolved, region_name, endpoint_url) if endpoint_url is None: # Use the sslCommonName over the hostname for Python 2.6 compat. hostname = resolved.get('sslCommonName', resolved.get('hostname')) endpoint_url = self._make_url(hostname, is_secure) ``` We want to determine `is_secure` from `resolved.get('protocols')`. If `protocols` is present: - If it contains `https` and `http`, we default to `https` (unless `is_secure` is `False`). - If it only contains `https`, we use `https`. - If it only contains `http`, we use `http` (even if `is_secure` was `True`). Wait, what if `is_secure` is passed as `False` by the user? We should definitely honor that. What if `is_secure` is passed as `True` by the user? If the endpoint only supports `http`, we should probably still use `http`, or maybe we should warn/fail. But in the case of `local`, it's specifically intended to be `http`. The logic should probably be: 1. Determine if `https` is supported by looking at `resolved.get('protocols')`. 2. If `protocols` is not provided, assume `https` is supported. 3. If `is_secure` is `True` AND `https` is supported, then `is_secure` remains `True`. 4. Otherwise, `is_secure` should be `False`. Wait, if `protocols` is `['http', 'https']`, and `is_secure` is `True`, we use `https`. If `protocols` is `['http']`, and `is_secure` is `True`, we MUST use `http` because it's not supported. If `protocols` is `['https']`, and `is_secure` is `False`, we should probably use `https` anyway if it's the only one? Or maybe honor `is_secure=False`? Usually, if a user says `is_secure=False`, they want `http`. If `http` isn't supported, it'll fail. Let's see how other AWS services handle this. `endpoints.json` usually doesn't have `protocols` for most services. If `protocols` is present, it's a restriction on what is allowed. So: ```python if endpoint_url is None: # Use the sslCommonName over the hostname for Python 2.6 compat. hostname = resolved.get('sslCommonName', resolved.get('hostname')) # NEW LOGIC HERE protocols = resolved.get('protocols') if protocols: if 'https' not in protocols: is_secure = False elif 'http' not in protocols and is_secure is False: # User wanted http, but only https is available. # Should we force https? # In most cases, botocore honors is_secure. pass endpoint_url = self._make_url(hostname, is_secure) ``` Wait, if `protocols` is `['http']`, then `'https' not in protocols` is `True`, so `is_secure` becomes `False`. Correct. If `protocols` is `['https']`, then `'https' not in protocols` is `False`. `is_secure` remains whatever it was (default `True`). If user set `is_secure=False`, it remains `False`. This seems correct and minimal. Let's see if there are other places where `is_secure` is determined. In `_get_client_args`: ```python def _get_client_args(self, service_model, region_name, is_secure, endpoint_url, verify, credentials, scoped_config, client_config): endpoint_bridge = ClientEndpointBridge(self.endpoint_resolver) endpoint = endpoint_bridge.resolve(service_model, region_name, is_secure, endpoint_url, verify) ``` And `resolve`: ```python def resolve(self, service_model, region_name, is_secure, endpoint_url, verify): # ... return self._create_endpoint(resolved, service_model.service_name, region_name, endpoint_url, is_secure) ``` So `is_secure` is passed all the way from `create_client` to `_create_endpoint`. Wait, I should check if `is_secure` is used anywhere else in `_create_endpoint` before it's passed to `_make_url`. ```python def _create_endpoint(self, resolved, service_name, region_name, endpoint_url, is_secure): region_name, signing_region = self._pick_region_values( resolved, region_name, endpoint_url) if endpoint_url is None: # Use the sslCommonName over the hostname for Python 2.6 compat. hostname = resolved.get('sslCommonName', resolved.get('hostname')) endpoint_url = self._make_url(hostname, is_secure) # ... ``` It is only used once to create `endpoint_url`. Are there any other parallel paths? Wait, `ClientEndpointBridge` is used for both sync and async clients? Actually, `botocore` doesn't have a separate `AsyncClient` in the same way `aiobotocore` does. `aiobotocore` wraps `botocore`. Let's check if there are any other endpoints resolution mechanisms. What about the `is_secure` value in `resolve`? The user said: "It was discovered that `is_secure` defaults to `True` in the `resolve` method, causing the client to default to HTTPS." Wait, I saw `create_client` has `is_secure=True`. ```python def create_client(self, service_name, region_name, is_secure=True, endpoint_url=None, verify=None, credentials=None, scoped_config=None, api_version=None, client_config=None): ``` And it is passed to `_get_client_args`, then to `endpoint_bridge.resolve`. If I change it in `_create_endpoint`, it only affects when `endpoint_url` is `None`. If the user provides `endpoint_url`, they've already specified the protocol. Is there any other place where `is_secure` is used? Let's look at `_make_url` to be sure. ```python def _make_url(self, hostname, is_secure): scheme = 'https' if is_secure else 'http' return f'{scheme}://{hostname}' ``` It's very simple. Now, is there any other place that needs this fix? What if `endpoint_url` is not `None`? If `endpoint_url` is `https://localhost:8000`, then `_create_endpoint` skips `_make_url` and uses `endpoint_url` as is. Wait, if the user provides an `endpoint_url`, but it contradicts the `protocols` in `endpoints.json`, should we care? Probably not, user override. One more thing: what if `protocols` is missing? `resolved.get('protocols')` returns `None`. The code I proposed handles that. What if `protocols` is an empty list? `if protocols:` will be `False`. That's probably fine, we fall back to `is_secure` default. Wait, I should check if `is_secure` is used for signing. In `_create_endpoint`: ```python region_name, signing_region = self._pick_region_values( resolved, region_name, endpoint_url) ``` `_pick_region_values` doesn't take `is_secure`. Wait, does the signing region depend on the protocol? Usually no. Let's check `ClientEndpointBridge.resolve` again. ```python def resolve(self, service_model, service_name, region_name, is_secure, endpoint_url, verify): # ... resolved = self.endpoint_resolver.construct_endpoint(service_name, region_name) return self._create_endpoint(resolved, service_name, region_name, endpoint_url, is_secure) ``` Wait, I missed a parameter in my previous `read_file` of `resolve`. Let me read `resolve` and `_create_endpoint` again to be absolutely sure about the arguments. <channel|><|tool_call>call:read_file{end_line:260,filepath:<|"|>botocore/client.py<|"|>,start_line:200}<tool_call|><|tool_response>
Turn 18at 400 s67 tokens out8,126 prompt tokens
I need to find where `_create_endpoint` is defined. It's in `ClientEndpointBridge`.

Let's search for `def _create_endpoint`.
TOOL CALL · run_command
{
  "command": "grep -n \"_create_endpoint\" botocore/client.py"
}
Result of run_command 180 characters
{
  "status": "ok",
  "stdout": "274:            return self._create_endpoint(\n287:    def _create_endpoint(self, resolved, service_name, region_name,\n",
  "stderr": "",
  "exit_code": 0
}
Generated tokens 67 tokens · stopped: STOP
I need to find where `_create_endpoint` is defined. It's in `ClientEndpointBridge`. Let's search for `def _create_endpoint`. <channel|><|tool_call>call:run_command{command:<|"|>grep -n "_create_endpoint" botocore/client.py<|"|>}<tool_call|><|tool_response>
Turn 19at 404 s64 tokens out8,268 prompt tokens
Okay, it's at 287. Let me read from 270 to 320.
TOOL CALL · read_file
{
  "end_line": 320,
  "filepath": "botocore/client.py",
  "start_line": 270
}
Result of read_file 2,882 characters
{
  "status": "ok",
  "filepath": "botocore/client.py",
  "content": "        region_name = self._check_default_region(service_name, region_name)\n        resolved = self.endpoint_resolver.construct_endpoint(\n            service_name, region_name)\n        if resolved:\n            return self._create_endpoint(\n                resolved, service_name, region_name, endpoint_url, is_secure)\n        else:\n            return self._assume_endpoint(service_name, region_name,\n                                         endpoint_url, is_secure)\n\n    def _check_default_region(self, service_name, region_name):\n        if region_name is not None:\n            return region_name\n        # Use the client_config region if no explicit region was provided.\n        if self.client_config and self.client_config.region_name is not None:\n            return self.client_config.region_name\n\n    def _create_endpoint(self, resolved, service_name, region_name,\n                         endpoint_url, is_secure):\n        region_name, signing_region = self._pick_region_values(\n            resolved, region_name, endpoint_url)\n        if endpoint_url is None:\n            # Use the sslCommonName over the hostname for Python 2.6 compat.\n            hostname = resolved.get('sslCommonName', resolved.get('hostname'))\n            endpoint_url = self._make_url(hostname, is_secure)\n        signature_version = self._resolve_signature_version(\n            service_name, resolved)\n        signing_name = self._resolve_signing_name(service_name, resolved)\n        return self._create_result(\n            service_name=service_name, region_name=region_name,\n            signing_region=signing_region, signing_name=signing_name,\n            endpoint_url=endpoint_url, metadata=resolved,\n            signature_version=signature_version)\n\n    def _assume_endpoint(self, service_name, region_name, endpoint_url,\n                         is_secure):\n        if endpoint_url is None:\n            # Expand the default hostname URI template.\n            hostname = self.default_endpoint.format(\n                service=service_name, region=region_name)\n            endpoint_url = self._make_url(hostname, is_secure)\n        logger.debug('Assuming an endpoint for %s, %s: %s',\n                     service_name, region_name, endpoint_url)\n        # We still want to allow the user to provide an explicit version.\n        signature_version = self._resolve_signature_version(\n            service_name, {'signatureVersions': ['v4']})\n        return self._create_result(\n            service_name=service_name, region_name=region_name,\n            signing_region=region_name, signing_name=service_name,\n            signature_version=signature_version, endpoint_url=endpoint_url,\n            metadata={})",
  "start_line": 270,
  "end_line": 320,
  "total_lines": 679,
  "is_truncated": false
}
Generated tokens 64 tokens · stopped: STOP
Okay, it's at 287. Let me read from 270 to 320. <channel|><|tool_call>call:read_file{end_line:320,filepath:<|"|>botocore/client.py<|"|>,start_line:270}<tool_call|><|tool_response>
Turn 20at 445 s894 tokens out9,085 prompt tokens
Okay, so in `_create_endpoint` (line 287):

```python
    def _create_endpoint(self, resolved, service_name, region_name,
                         endpoint_url, is_secure):
        region_name, signing_region = self._pick_region_values(
            resolved, region_name, endpoint_url)
        if endpoint_url is None:
            # Use the sslCommonName over the hostname for the hostname for Python 2.6 compat.
            hostname = resolved.get('sslCommonName', resolved.get('hostname'))
            endpoint_url = self._make_url(hostname, is_secure)
```

I will modify it to:

```python
    def _create_endpoint(self, resolved, service_name, region_name,
                         endpoint_url, is_secure):
        region_name, signing_region = self._pick_region_values(
            resolved, region_name, endpoint_url)
        if endpoint_url is None:
            # Use the sslCommonName over the hostname for Python 2.6 compat.
            hostname = resolved.get('sslCommonName', resolved.get('hostname'))
            # Honor the protocol in the endpoint configuration if it is available
            protocols = resolved.get('protocols')
            if protocols and 'https' not in protocols:
                is_secure = False
            endpoint_url = self._make_url(hostname, is_secure)
```

Wait, should I also consider the case where `protocols` only contains `https` but `is_secure` is `False`?
If `protocols` is `['https']` and `is_secure` is `False`, should I force `is_secure` to `True`?
Probably not. If the user explicitly asked for `is_secure=False` (HTTP), we should let it fail if HTTP is not supported.

So the logic `if protocols and 'https' not in protocols: is_secure = False` only handles the case where HTTPS is NOT supported.

Wait, what if `protocols` is `['http', 'https']`? Then `'https' not in protocols` is `False`, so `is_secure` remains unchanged. Correct.

Now, what if `protocols` is `None`? Then `protocols and ...` is `False`. Correct.

This seems to be the most conservative and correct fix.

Wait, I should also check `_assume_endpoint`. Does it have `protocols`? No, because `_assume_endpoint` is called when `resolved` is `None`.

```python
    def _assume_endpoint(self, service_name, region_name, endpoint_url,
                         is_secure):
        if endpoint_url is None:
            # Expand the default hostname URI template.
            hostname = self.default_endpoint.format(
                service=service_name, region=region_name)
            endpoint_url = self._make_url(hostname, is_secure)
```

In `_assume_endpoint`, there is no `resolved` object, so we can't check `protocols`.

Now let's implement this change and verify it.
TOOL CALL · edit_file
{
  "filepath": "botocore/client.py",
  "new_string": "        if endpoint_url is None:\n            # Use the sslCommonName over the hostname for Python 2.6 compat.\n            hostname = resolved.get('sslCommonName', resolved.get('hostname'))\n            protocols = resolved.get('protocols')\n            if protocols and 'https' not in protocols:\n                is_secure = False\n            endpoint_url = self._make_url(hostname, is_secure)",
  "old_string": "        if endpoint_url is None:\n            # Use the sslCommonName over the hostname for Python 2.6 compat.\n            hostname = resolved.get('sslCommonName', resolved.get('hostname'))\n            endpoint_url = self._make_url(hostname, is_secure)"
}
Result of edit_file 817 characters
{
  "status": "ok",
  "filepath": "botocore/client.py",
  "occurrences": 1,
  "strategy": "exact",
  "diff": "--- a/botocore/client.py\n+++ b/botocore/client.py\n@@ -291,6 +291,9 @@\n         if endpoint_url is None:\n             # Use the sslCommonName over the hostname for Python 2.6 compat.\n             hostname = resolved.get('sslCommonName', resolved.get('hostname'))\n+            protocols = resolved.get('protocols')\n+            if protocols and 'https' not in protocols:\n+                is_secure = False\n             endpoint_url = self._make_url(hostname, is_secure)\n         signature_version = self._resolve_signature_version(\n             service_name, resolved)\n",
  "is_truncated": false,
  "budget_warning": "Only 10 tool call(s) remaining (20/30 used). Finalize your edits and call submit_patch soon."
}
Generated tokens 894 tokens · stopped: STOP
Okay, so in `_create_endpoint` (line 287): ```python def _create_endpoint(self, resolved, service_name, region_name, endpoint_url, is_secure): region_name, signing_region = self._pick_region_values( resolved, region_name, endpoint_url) if endpoint_url is None: # Use the sslCommonName over the hostname for the hostname for Python 2.6 compat. hostname = resolved.get('sslCommonName', resolved.get('hostname')) endpoint_url = self._make_url(hostname, is_secure) ``` I will modify it to: ```python def _create_endpoint(self, resolved, service_name, region_name, endpoint_url, is_secure): region_name, signing_region = self._pick_region_values( resolved, region_name, endpoint_url) if endpoint_url is None: # Use the sslCommonName over the hostname for Python 2.6 compat. hostname = resolved.get('sslCommonName', resolved.get('hostname')) # Honor the protocol in the endpoint configuration if it is available protocols = resolved.get('protocols') if protocols and 'https' not in protocols: is_secure = False endpoint_url = self._make_url(hostname, is_secure) ``` Wait, should I also consider the case where `protocols` only contains `https` but `is_secure` is `False`? If `protocols` is `['https']` and `is_secure` is `False`, should I force `is_secure` to `True`? Probably not. If the user explicitly asked for `is_secure=False` (HTTP), we should let it fail if HTTP is not supported. So the logic `if protocols and 'https' not in protocols: is_secure = False` only handles the case where HTTPS is NOT supported. Wait, what if `protocols` is `['http', 'https']`? Then `'https' not in protocols` is `False`, so `is_secure` remains unchanged. Correct. Now, what if `protocols` is `None`? Then `protocols and ...` is `False`. Correct. This seems to be the most conservative and correct fix. Wait, I should also check `_assume_endpoint`. Does it have `protocols`? No, because `_assume_endpoint` is called when `resolved` is `None`. ```python def _assume_endpoint(self, service_name, region_name, endpoint_url, is_secure): if endpoint_url is None: # Expand the default hostname URI template. hostname = self.default_endpoint.format( service=service_name, region=region_name) endpoint_url = self._make_url(hostname, is_secure) ``` In `_assume_endpoint`, there is no `resolved` object, so we can't check `protocols`. Now let's implement this change and verify it.<channel|><|tool_call>call:edit_file{filepath:<|"|>botocore/client.py<|"|>,new_string:<|"|> if endpoint_url is None: # Use the sslCommonName over the hostname for Python 2.6 compat. hostname = resolved.get('sslCommonName', resolved.get('hostname')) protocols = resolved.get('protocols') if protocols and 'https' not in protocols: is_secure = False endpoint_url = self._make_url(hostname, is_secure)<|"|>,old_string:<|"|> if endpoint_url is None: # Use the sslCommonName over the hostname for Python 2.6 compat. hostname = resolved.get('sslCommonName', resolved.get('hostname')) endpoint_url = self._make_url(hostname, is_secure)<|"|>}<tool_call|><|tool_response>
Turn 21at 450 s108 tokens out10,235 prompt tokens
Now let's verify the fix with the reproduction script.
TOOL CALL · run_command
{
  "command": "python3 - <<'PY'\nimport botocore.session\nsession = botocore.session.get_session()\nclient = session.create_client('dynamodb', 'local', aws_access_key_id='testing', aws_secret_access_key='testing')\nprint(f\"Endpoint host: {client._endpoint.host}\")\nPY\n"
}
Result of run_command 211 characters
{
  "status": "ok",
  "stdout": "Endpoint host: http://localhost:8000\n",
  "stderr": "",
  "exit_code": 0,
  "budget_warning": "Only 9 tool call(s) remaining (21/30 used). Finalize your edits and call submit_patch soon."
}
Generated tokens 108 tokens · stopped: STOP
Now let's verify the fix with the reproduction script. <channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY' import botocore.session session = botocore.session.get_session() client = session.create_client('dynamodb', 'local', aws_access_key_id='testing', aws_secret_access_key='testing') print(f"Endpoint host: {client._endpoint.host}") PY <|"|>}<tool_call|><|tool_response>
Turn 22at 474 s370 tokens out10,429 prompt tokens
Great! It now prints `http://localhost:8000`.

Let me check if I should also apply this to other places or if there are any edge cases.

What if `is_secure` is passed as `False` by the user, but the endpoint only supports `https`?
If `protocols` is `['https']` and `is_secure` is `False`:
`protocols and 'https' not in protocols` -> `True and False` -> `False`.
`is_secure` remains `False`.
`_make_url` will use `http`.
The request will fail when it tries to connect to the HTTPS port using HTTP.
This is the expected behavior when a user explicitly requests HTTP for an HTTPS-only service.

What if `is_secure` is `True` (default) and `protocols` is `['https', 'http']`?
`protocols and 'https' not in protocols` -> `True and False` -> `False`.
`is_secure` remains `True`.
`_make_url` uses `https`. Correct.

What if `is_secure` is `False` and `protocols` is `['https', 'http']`?
`protocols and 'https' not in protocols` -> `True and False` -> `False`.
`is_secure` remains `False`.
`_make_url` uses `http`. Correct.

One more check: is there any other place that constructs the endpoint URL from `resolved`?

I'll search for `_make_url` usage.
TOOL CALL · run_command
{
  "command": "grep -n \"_make_url\" botocore/client.py"
}
Result of run_command 360 characters
{
  "status": "ok",
  "stdout": "297:            endpoint_url = self._make_url(hostname, is_secure)\n313:            endpoint_url = self._make_url(hostname, is_secure)\n338:    def _make_url(self, hostname, is_secure):\n",
  "stderr": "",
  "exit_code": 0,
  "budget_warning": "Only 8 tool call(s) remaining (22/30 used). Finalize your edits and call submit_patch soon."
}
Generated tokens 370 tokens · stopped: STOP
Great! It now prints `http://localhost:8000`. Let me check if I should also apply this to other places or if there are any edge cases. What if `is_secure` is passed as `False` by the user, but the endpoint only supports `https`? If `protocols` is `['https']` and `is_secure` is `False`: `protocols and 'https' not in protocols` -> `True and False` -> `False`. `is_secure` remains `False`. `_make_url` will use `http`. The request will fail when it tries to connect to the HTTPS port using HTTP. This is the expected behavior when a user explicitly requests HTTP for an HTTPS-only service. What if `is_secure` is `True` (default) and `protocols` is `['https', 'http']`? `protocols and 'https' not in protocols` -> `True and False` -> `False`. `is_secure` remains `True`. `_make_url` uses `https`. Correct. What if `is_secure` is `False` and `protocols` is `['https', 'http']`? `protocols and 'https' not in protocols` -> `True and False` -> `False`. `is_secure` remains `False`. `_make_url` uses `http`. Correct. One more check: is there any other place that constructs the endpoint URL from `resolved`? I'll search for `_make_url` usage.<channel|><|tool_call>call:run_command{command:<|"|>grep -n "_make_url" botocore/client.py<|"|>}<tool_call|><|tool_response>

Patch, tests and logs

Final code change Included
diff --git a/botocore/client.py b/botocore/client.py
index c31f9c7..94fc43a 100644
--- a/botocore/client.py
+++ b/botocore/client.py
@@ -291,6 +291,9 @@ class ClientEndpointBridge(object):
         if endpoint_url is None:
             # Use the sslCommonName over the hostname for Python 2.6 compat.
             hostname = resolved.get('sslCommonName', resolved.get('hostname'))
+            protocols = resolved.get('protocols')
+            if protocols and 'https' not in protocols:
+                is_secure = False
             endpoint_url = self._make_url(hostname, is_secure)
         signature_version = self._resolve_signature_version(
             service_name, resolved)
Test output Included
============================= test session starts ==============================
collected 109 items

tests/unit/test_client.py .............................................. [ 42%]
...............................................................          [100%]

==================================== PASSES ====================================
- generated xml file: /tmp/rebench-grade-350af15a0e554643a46c7fd81c04051e.xml --
=========================== short test summary info ============================
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_anonymous_client_request
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_api_version_is_passed_to_loader_if_provided
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_before_call_short_circuits_request
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_can_set_credentials_in_client_init
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_can_use_guessed_endpoints
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_create_unicode
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_created_emits_events
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_custom_user_agent_extra_in_request
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_custom_user_agent_in_request
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_default_for_s3_addressing_style
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_doesnt_validate_params_when_validation_disabled
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_error_message_for_positional_args
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_generated_from_model
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_has_endpoint_url_on_meta
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_has_region_name_on_meta
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_makes_call
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_makes_call_with_error
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_method_called_event
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_method_docstring
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_method_help
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_method_to_api_mapping
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_name
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_name_using_abreviation
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_name_with_amazon
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_name_with_no_full_name_or_abbreviation
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_name_with_non_alphabet_characters
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_register_seperate_unique_id_event
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_registers_request_created_handler
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_s3_addressing_style_auto_registers_correctly
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_s3_addressing_style_config_overrides_scoped_config
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_s3_addressing_style_default_registers_correctly
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_s3_addressing_style_path_registers_correctly
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_s3_addressing_style_virtual_registers_correctly
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_s3_addressing_style_with_config
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_s3_addressing_style_with_incorrect_style
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_s3_addressing_style_with_scoped_config
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_signature_no_override
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_signature_override_arg
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_signature_override_config_file
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_signs_call
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PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_uses_given_region_name_and_endpoint_url_when_present
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_uses_signing_name_from_credential_scope
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_uses_signing_region_from_credential_scope
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_validates_params_by_default
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_with_custom_both_timeout
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_with_custom_connect_timeout
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_with_custom_neither_timeout
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_with_custom_params
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_with_custom_read_timeout
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_with_endpoint_url
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_client_with_response_parser_factory
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_clients_have_meta_object
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_clients_inherit_handlers_from_session
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_clients_inherit_only_at_create_time
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_create_client_class_creates_class
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_create_client_class_forwards_api_version
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_event_emitted_when_invoked
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_events_are_per_client
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_operation_can_paginate
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_operation_cannot_paginate
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_paginator_class_name_from_client
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_paginator_help_from_client
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_service_creates_retryhandler
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PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_service_has_waiter_configs
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_service_registers_retry_handler
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PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_signing_region_does_not_change_client_region
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_successful_pagination_object_created
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_try_to_paginate_non_paginated
PASSED tests/unit/test_client.py::TestAutoGeneratedClient::test_waiter_config_uses_service_name_not_endpoint_prefix
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PASSED tests/unit/test_client.py::TestConfig::test_can_use_kwargs_to_construct
PASSED tests/unit/test_client.py::TestConfig::test_can_use_mix_of_args_and_kwargs
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PASSED tests/unit/test_client.py::TestConfig::test_general_merge_keeps_default_values
PASSED tests/unit/test_client.py::TestConfig::test_invalid_kwargs
PASSED tests/unit/test_client.py::TestConfig::test_merge_overrides_only_when_user_provided_values
PASSED tests/unit/test_client.py::TestConfig::test_merge_overrides_values
PASSED tests/unit/test_client.py::TestConfig::test_merge_overrides_values_even_when_using_default
PASSED tests/unit/test_client.py::TestConfig::test_merge_overrides_values_even_when_using_default_timeout
PASSED tests/unit/test_client.py::TestConfig::test_merge_returns_new_config_object
PASSED tests/unit/test_client.py::TestConfig::test_pass_invalid_length_of_args
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_can_create_http_urls
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_can_guess_endpoint_and_use_given_endpoint_url
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_can_use_endpoint_url_with_resolved_endpoint
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_cred_scope_does_not_override_signing_region_if_endpoint_url
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_credential_scope_overrides_signing_region
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_does_not_use_https_if_not_available
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_guesses_endpoint_as_last_resort
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_raises_when_signature_version_is_not_found
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_raises_when_signature_version_is_unknown
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_resolved_region_overrides_region_when_no_endpoint_url
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_uses_credential_scope_signing_name
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_uses_known_signers_from_list_of_signature_versions
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_uses_region_from_client_config_if_available
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_uses_s3_over_s3v4_for_s3
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_uses_s3v4_over_others_for_s3
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_uses_service_name_as_signing_name
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_uses_service_signing_name_when_present_and_no_cred_scope
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_uses_signature_version_from_client_config
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_uses_signature_version_from_client_config_when_guessing
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_uses_signature_version_from_scoped_config
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_uses_ssl_common_name_over_hostname_if_present
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_uses_us_east_1_by_default_for_s3
PASSED tests/unit/test_client.py::TestClientEndpointBridge::test_uses_v4_over_other_signers
============================= 109 passed in 0.23s ==============================
Test errors Included
Test report (JUnit) Included
<?xml version="1.0" encoding="utf-8"?><testsuites><testsuite errors="0" failures="0" hostname="605e97f35d42" name="pytest" skipped="0" tests="109" time="0.233" timestamp="2026-11-14T03:49:01.853074"><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_anonymous_client_request" time="0.001" /><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_api_version_is_passed_to_loader_if_provided" time="0.001" /><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_before_call_short_circuits_request" time="0.001" /><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_can_set_credentials_in_client_init" time="0.001" /><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_client_can_use_guessed_endpoints" time="0.001" /><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_client_create_unicode" time="0.001" /><testcase 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classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_client_uses_signing_region_from_credential_scope" time="0.001" /><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_client_validates_params_by_default" time="0.001" /><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_client_with_custom_both_timeout" time="0.001" /><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_client_with_custom_connect_timeout" time="0.001" /><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_client_with_custom_neither_timeout" time="0.001" /><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_client_with_custom_params" time="0.001" /><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_client_with_custom_read_timeout" time="0.001" /><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" 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classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_service_has_retry_event" time="0.001" /><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_service_has_waiter_configs" time="0.001" /><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_service_registers_retry_handler" time="0.001" /><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_service_retry_missing_config" time="0.001" /><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_signing_region_does_not_change_client_region" time="0.002" /><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_successful_pagination_object_created" time="0.001" /><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_try_to_paginate_non_paginated" time="0.001" /><testcase classname="tests.unit.test_client.TestAutoGeneratedClient" name="test_waiter_config_uses_service_name_not_endpoint_prefix" time="0.001" /><testcase classname="tests.unit.test_client.TestConfig" name="test_can_use_args_to_construct" time="0.000" /><testcase classname="tests.unit.test_client.TestConfig" name="test_can_use_kwargs_to_construct" time="0.000" /><testcase classname="tests.unit.test_client.TestConfig" name="test_can_use_mix_of_args_and_kwargs" time="0.000" /><testcase classname="tests.unit.test_client.TestConfig" name="test_create_with_multiple_kwargs" time="0.000" /><testcase classname="tests.unit.test_client.TestConfig" name="test_general_merge_keeps_default_values" time="0.000" /><testcase classname="tests.unit.test_client.TestConfig" name="test_invalid_kwargs" time="0.000" /><testcase classname="tests.unit.test_client.TestConfig" name="test_merge_overrides_only_when_user_provided_values" time="0.000" /><testcase classname="tests.unit.test_client.TestConfig" name="test_merge_overrides_values" time="0.000" /><testcase classname="tests.unit.test_client.TestConfig" name="test_merge_overrides_values_even_when_using_default" time="0.000" /><testcase classname="tests.unit.test_client.TestConfig" name="test_merge_overrides_values_even_when_using_default_timeout" time="0.000" /><testcase classname="tests.unit.test_client.TestConfig" name="test_merge_returns_new_config_object" time="0.000" /><testcase classname="tests.unit.test_client.TestConfig" name="test_pass_invalid_length_of_args" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_can_create_http_urls" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_can_guess_endpoint_and_use_given_endpoint_url" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_can_use_endpoint_url_with_resolved_endpoint" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_cred_scope_does_not_override_signing_region_if_endpoint_url" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_credential_scope_overrides_signing_region" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_does_not_use_https_if_not_available" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_guesses_endpoint_as_last_resort" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_raises_when_signature_version_is_not_found" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_raises_when_signature_version_is_unknown" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_resolved_region_overrides_region_when_no_endpoint_url" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_uses_credential_scope_signing_name" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_uses_known_signers_from_list_of_signature_versions" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_uses_region_from_client_config_if_available" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_uses_s3_over_s3v4_for_s3" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_uses_s3v4_over_others_for_s3" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_uses_service_name_as_signing_name" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_uses_service_signing_name_when_present_and_no_cred_scope" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_uses_signature_version_from_client_config" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_uses_signature_version_from_client_config_when_guessing" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_uses_signature_version_from_scoped_config" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_uses_ssl_common_name_over_hostname_if_present" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_uses_us_east_1_by_default_for_s3" time="0.000" /><testcase classname="tests.unit.test_client.TestClientEndpointBridge" name="test_uses_v4_over_other_signers" time="0.000" /></testsuite></testsuites>
Agent log Included
  [   0.0s] 📋 System Prompt: You are a principal Python software engineer resolving a repository issue in `/workspace`.
  [   0.0s] 🎯 Task Prompt: You are evaluating a software engineering task for repository boto/botocore.
  [  21.8s] 💭 (868 chars) "The user is reporting an issue where `botocore` uses HTTPS instead of HTTP for the `local` 
region of DynamoDB, despite t..."
  [  21.8s] 🔧 run_command grep -rn --include="*.py" "protocols" botocore/
  [  21.9s]   → botocore/serialize.py:61:    # TODO: Unknown protocols.
  [  28.5s] 💭 (256 chars) "The `grep` results for "protocols" didn't show much relevant to endpoint resolution. Let's 
try searching for "hostname" ..."
  [  28.5s] 📖 read_file (botocore/endpoint.py)
  [  28.5s]   ✓ {'status': 'ok', 'filepath': 'botocore/endpoint.py', 'content': '# Copyright (c) 2012-2013 Mitch Garnaat
http://garnaat.…
  [  40.1s] 💭 (585 chars) "The `Endpoint` class in `botocore/endpoint.py` has a `host` attribute.-
```python
class Endpoint(object):
    def __init..."
  [  40.1s] 🔧 run_command grep -rn --include="*.py" "Endpoint(" botocore/
  [  40.2s]   → botocore/endpoint.py:82:class Endpoint(object):
  [  44.6s] 💭 (100 chars) "Wait, `grep` returned `botocore/endpoint.py:241`. Let's look at that part of 
`botocore/endpoint.py`."
  [  44.6s] 📖 read_file (botocore/endpoint.py)
  [  44.7s]   ✓ {'status': 'ok', 'filepath': 'botocore/endpoint.py', 'content': '        parser = 
self._response_parser_factory.create_p…
  [  55.9s] 💭 (615 chars) "Okay, `EndpointCreator.create_endpoint` is where the `Endpoint` is created. It takes 
`endpoint_url` as an argument.

```..."
  [  55.9s] 🔧 run_command grep -rn --include="*.py" "create_endpoint" botocore/
  [  55.9s]   → botocore/endpoint.py:236:    def create_endpoint(self, service_model, region_name, endpoint_url,
  [  60.0s] 💭 (96 chars) "It's called in `botocore/client.py`. Let's examine `botocore/client.py` around line 184 and 
274."
  [  60.0s] 📖 read_file (botocore/client.py)
  [  60.0s]   ✓ {'status': 'ok', 'filepath': 'botocore/client.py', 'content': '            service_name, region_name, 
endpoint_url, is_s…
  [  71.0s] 💭 (679 chars) "The `ClientEndpointBridge._create_endpoint` method is where the URL is constructed.

```python
    def _create_endpoint(..."
  [  71.0s] 🔧 run_command grep -n "_make_url" botocore/client.py
  [  71.0s]   → 294:            endpoint_url = self._make_url(hostname, is_secure)
  [  74.0s] 💭 (26 chars) "Let's look at `_make_url`."
  [  74.0s] 📖 read_file (botocore/client.py)
  [  74.1s]   ✓ {'status': 'ok', 'filepath': 'botocore/client.py', 'content': "            'endpoint_url': 
endpoint_url,\n            's…
  [  85.8s] 💭 (523 chars) "`_make_url` uses `is_secure` to decide between `https://` and `http://`.

```python
    def _make_url(self, hostname, is..."
  [  85.8s] 🔧 run_command grep -n ".resolve(" botocore/client.py
  [  85.8s]   → 149:        endpoint_config = endpoint_bridge.resolve(
  [  89.4s] 💭 (49 chars) "It's called at line 149. Let's look around there."
  [  89.4s] 📖 read_file (botocore/client.py)
  [  89.5s]   ✓ {'status': 'ok', 'filepath': 'botocore/client.py', 'content': "            parameter_validation = 
client_config.paramete…
  [  92.9s] 💭 (63 chars) "Now I need to see where `is_secure` is defined before line 149."
  [  92.9s] 📖 read_file (botocore/client.py)
  [  92.9s]   ✓ {'status': 'ok', 'filepath': 'botocore/client.py', 'content': '\n        logger.debug("Registering retry
handlers for se…
  [ 102.7s] 💭 (288 chars) "The method containing this call is `_get_client_args` (or something that calls it). Let's 
read the beginning of the meth..."
  [ 102.7s] 📖 read_file (botocore/client.py)
  [ 102.8s]   ✓ {'status': 'ok', 'filepath': 'botocore/client.py', 'content': "                         endpoint_url, 
verify, credential…
  [ 107.8s] 💭 (111 chars) "`is_secure` is passed as an argument to `_get_client_args`.

Now let's find where `_get_client_args` is called."
  [ 107.8s] 🔧 run_command grep -n "_get_client_args(" botocore/client.py
  [ 107.9s]   → 60:        client_args = self._get_client_args(
  [ 112.3s] 💭 (28 chars) "Line 60. Let's look at that."
  [ 112.3s] 📖 read_file (botocore/client.py)
  [ 112.4s]   ✓ {'status': 'ok', 'filepath': 'botocore/client.py', 'content': '        self._retry_config_translator = 
retry_config_tran…
  [ 182.9s] 💭 (3115 chars) "Okay, so `create_client` has `is_secure=True` by default.

The a problem is that `is_secure` is passed along from `creat..."
  [ 182.9s] 🔧 run_command (6 lines) python3 - <<'PY'
  [ 183.1s]   → error (exit 0): 
  [ 196.6s] 💭 (283 chars) "Damn, it seems like there's some other issue in the environment or how I'm calling it, as 
it's trying to fetch credentia..."
  [ 196.6s] 🔧 run_command (6 lines) python3 - <<'PY'
  [ 196.7s]   → Endpoint host: https://localhost:8000
  [ 371.9s] 💭 (7839 chars) "Aha! `Endpoint host: https://localhost:8000`.
Wait, that's it! For region `local` in `dynamodb`, it should be `http://lo..."
  [ 371.9s] 📖 read_file (botocore/client.py)
  [ 371.9s]   ✓ {'status': 'ok', 'filepath': 'botocore/client.py', 'content': '\n    def _create_methods(self, 
service_model):\n        …
  [ 376.3s] 💭 (125 chars) "I need to find where `_create_endpoint` is defined. It's in `ClientEndpointBridge`.

Let's search for `def _create_endpo..."
  [ 376.3s] 🔧 run_command grep -n "_create_endpoint" botocore/client.py
  [ 376.4s]   → 274:            return self._create_endpoint(
  [ 380.1s] 💭 (47 chars) "Okay, it's at 287. Let me read from 270 to 320."
  [ 380.1s] 📖 read_file (botocore/client.py)
  [ 380.1s]   ✓ {'status': 'ok', 'filepath': 'botocore/client.py', 'content': "        region_name = 
self._check_default_region(service_…
  [ 420.6s] 💭 (2693 chars) "Okay, so in `_create_endpoint` (line 287):

```python
    def _create_endpoint(self, resolved, service_name, region_name..."
  [ 420.6s] ✏️ edit_file (botocore/client.py)
  [ 420.8s]   ✓ {'status': 'ok', 'filepath': 'botocore/client.py', 'occurrences': 1, 'strategy': 'exact', 'diff': "--- 
a/botocore/client…
  [ 425.6s] 💭 (54 chars) "Now let's verify the fix with the reproduction script."
  [ 425.6s] 🔧 run_command (6 lines) python3 - <<'PY'
  [ 425.7s]   → Endpoint host: http://localhost:8000
  [ 449.4s] 💭 (1143 chars) "Great! It now prints `http://localhost:8000`.

Let me check if I should also apply this to other places or if there are ..."
  [ 449.4s] 🔧 run_command grep -n "_make_url" botocore/client.py
  [ 449.5s]   → 297:            endpoint_url = self._make_url(hostname, is_secure)
Native result row
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      "PASSED": 109
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  "run_key": "boto__botocore-830__p0__r5",
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