ROLLOUT 5 · scrapy/w3lib
scrapy__w3lib-202
Solved
219 stotal time
16tool calls
18model calls
2,779tokens generated
106,869prompt tokens read
No error recorded
⚠ The request log has 17 model calls but the trace has 19 agent calls, so tokens are listed separately instead of beside each turn.
Turn by turn
Token shading: p ≥ 0.9 0.5 – 0.9 0.2 – 0.5 below 0.2. Hover a token for its id and probability.
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 2,221 characters
You are evaluating a software engineering task for repository scrapy/w3lib. Problem Statement: Function `convert_entity` does not catch `OverflowError` Error: ``` OverflowError Python int too large to convert to C int ``` `w3lib` version -> `2.0.1` `Python` version -> `3.8.13` <img width="1131" alt="Screenshot 2022-10-31 at 10 02 22" src="https://user-images.githubusercontent.com/107861298/198971171-1af35f01-42d2-413a-8c47-9d2c3dc6ece1.png"> ## 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): ``` ./LICENSE ./MANIFEST.in ./NEWS ./README.rst ./codecov.yml ./conftest.py ./docs ./mypy.ini ./pylintrc ./pytest.ini ./setup.py ./tests ./tox.ini ./w3lib ./w3lib/__init__.py ./w3lib/_types.py ./w3lib/encoding.py ./w3lib/html.py ./w3lib/http.py ./w3lib/py.typed ./w3lib/url.py ./w3lib/util.py ```
Turn 1at 14 s109 tokens out2,705 prompt tokens
The user is reporting an `OverflowError: Python int too large to convert to C int` in the `convert_entity` function of `w3lib`. I need to find where `convert_entity` is defined, understand how it works, and ensure it handles `OverflowError`. First, let's find the `convert_entity` function.
TOOL CALL · run_command
{
"command": "grep -rn --include=\"*.py\" \"def convert_entity\" ."
}Result of run_command 121 characters
{
"status": "ok",
"stdout": "./w3lib/html.py:69: def convert_entity(m: Match) -> str:\n",
"stderr": "",
"exit_code": 0
}Turn 2at 19 s69 tokens out2,878 prompt tokens
The `convert_entity` function is in `w3lib/html.py` at line 69. Let's examine the code around it.
TOOL CALL · read_file
{
"end_line": 90,
"filepath": "w3lib/html.py",
"start_line": 60
}Result of read_file 1,339 characters
{
"status": "ok",
"filepath": "w3lib/html.py",
"content": " >>> import w3lib.html\n >>> w3lib.html.replace_entities(b'Price: £100')\n 'Price: \\\\xa3100'\n >>> print(w3lib.html.replace_entities(b'Price: £100'))\n Price: £100\n >>>\n\n \"\"\"\n\n def convert_entity(m: Match) -> str:\n groups = m.groupdict()\n number = None\n if groups.get(\"dec\"):\n number = int(groups[\"dec\"], 10)\n elif groups.get(\"hex\"):\n number = int(groups[\"hex\"], 16)\n elif groups.get(\"named\"):\n entity_name = groups[\"named\"]\n if entity_name.lower() in keep:\n return m.group(0)\n else:\n number = name2codepoint.get(entity_name) or name2codepoint.get(\n entity_name.lower()\n )\n if number is not None:\n # Numeric character references in the 80-9F range are typically\n # interpreted by browsers as representing the characters mapped\n # to bytes 80-9F in the Windows-1252 encoding. For more info\n # see: http://en.wikipedia.org/wiki/Character_encodings_in_HTML\n try:\n if 0x80 <= number <= 0x9F:",
"start_line": 60,
"end_line": 90,
"total_lines": 369,
"is_truncated": false
}Turn 3at 22 s55 tokens out3,390 prompt tokens
The code is cut off. I need to read more of `convert_entity`.
TOOL CALL · read_file
{
"end_line": 110,
"filepath": "w3lib/html.py",
"start_line": 91
}Result of read_file 940 characters
{
"status": "ok",
"filepath": "w3lib/html.py",
"content": " return bytes((number,)).decode(\"cp1252\")\n else:\n return chr(number)\n except ValueError:\n pass\n\n return \"\" if remove_illegal and groups.get(\"semicolon\") else m.group(0)\n\n return _ent_re.sub(convert_entity, to_unicode(text, encoding))\n\n\ndef has_entities(text: AnyStr, encoding: Optional[str] = None) -> bool:\n return bool(_ent_re.search(to_unicode(text, encoding)))\n\n\ndef replace_tags(text: AnyStr, token: str = \"\", encoding: Optional[str] = None) -> str:\n \"\"\"Replace all markup tags found in the given `text` by the given token.\n By default `token` is an empty string so it just removes all tags.\n\n `text` can be a unicode string or a regular string encoded as `encoding`",
"start_line": 91,
"end_line": 110,
"total_lines": 369,
"is_truncated": false
}Turn 4at 36 s230 tokens out3,746 prompt tokens
Wait, `convert_entity` is a nested function inside another function. Let's find the outer function.
Looking at the code:
```python
def convert_entity(m: Match) -> str:
# ...
if number is not None:
try:
if 0x80 <= number <= 0x9F:
return bytes((number,)).decode("cp1252")
else:
return chr(number)
except ValueError:
pass
return "" if remove_illegal and groups.get("semicolon") else m.group(0)
return _ent_re.sub(convert_entity, to_unicode(text, encoding))
```
It's called by `_ent_re.sub`. The outer function is probably `replace_entities`. Let me read the outer function.
TOOL CALL · read_file
{
"end_line": 80,
"filepath": "w3lib/html.py",
"start_line": 50
}Result of read_file 1,217 characters
{
"status": "ok",
"filepath": "w3lib/html.py",
"content": "\n It supports both numeric entities (``&#nnnn;`` and ``&#hhhh;``)\n and named entities (such as `` `` or ``>``).\n\n If `remove_illegal` is ``True``, entities that can't be converted are removed.\n If `remove_illegal` is ``False``, entities that can't be converted are kept \"as\n is\". For more information see the tests.\n\n Always returns a unicode string (with the entities removed).\n\n >>> import w3lib.html\n >>> w3lib.html.replace_entities(b'Price: £100')\n 'Price: \\\\xa3100'\n >>> print(w3lib.html.replace_entities(b'Price: £100'))\n Price: £100\n >>>\n\n \"\"\"\n\n def convert_entity(m: Match) -> str:\n groups = m.groupdict()\n number = None\n if groups.get(\"dec\"):\n number = int(groups[\"dec\"], 10)\n elif groups.get(\"hex\"):\n number = int(groups[\"hex\"], 16)\n elif groups.get(\"named\"):\n entity_name = groups[\"named\"]\n if entity_name.lower() in keep:\n return m.group(0)\n else:",
"start_line": 50,
"end_line": 80,
"total_lines": 369,
"is_truncated": false
}Turn 5at 80 s481 tokens out4,393 prompt tokens
Okay, so the outer function is `replace_entities`.
The `convert_entity` function calls `chr(number)`.
`chr(i)` raises `ValueError` if `i` is outside the range `[0, 0x10FFFF]`.
But the issue report says `OverflowError: Python int too large to convert to C int`.
Wait, `bytes((number,))` could also raise an `OverflowError` if `number` is too large to fit in a byte (though it's only called if `0x80 <= number <= 0x9F`).
Let's look at `chr(number)` again. In Python 3, `chr()` raises `ValueError` if the argument is not in the range `[0, 0x10ffff]`.
Wait, the screenshot shows `OverflowError`. Let's try to reproduce it.
`chr()` usually raises `ValueError`.
Could it be `bytes((number,))` ?
If `number` is very large, `bytes((number,))` will raise `ValueError: bytes must be in range(0, 256)`.
What about `int(groups["dec"], 10)`?
`int()` can handle arbitrarily large integers in Python 3.
The error `OverflowError: Python int too large to convert to C int` often happens when a Python int is passed to a C function that expects a C int (e.g., `int` in C is typically 32-bit).
Let's see where `number` is used.
```python
if 0x80 <= number <= 0x9F:
return bytes((number,)).decode("cp1252")
else:
return chr(number)
```
Wait, `chr(number)`'s implementation in CPython calls `PyUnicode_FromInt`.
If I pass a huge number to `chr()`, what happens?
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\ntry:\n print(chr(10**20))\nexcept Exception as e:\n print(type(e), e)\nPY\n"
}Result of run_command 126 characters
{
"status": "ok",
"stdout": "<class 'OverflowError'> Python int too large to convert to C int\n",
"stderr": "",
"exit_code": 0
}Turn 6at 97 s241 tokens out4,928 prompt tokens
Aha! `chr()` DOES raise `OverflowError` for very large integers.
The current `try...except` block only catches `ValueError`:
```python
try:
if 0x80 <= number <= 0x9F:
return bytes((number,)).decode("cp1252")
else:
return chr(number)
except ValueError:
pass
```
So I should add `OverflowError` to the `except` clause.
Let's verify this with a reproduction script that uses `w3lib.html.replace_entities`.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nimport w3lib.html\ntry:\n # Construct a numeric entity with a huge number\n print(w3lib.html.replace_entities(\"�\"))\nexcept Exception as e:\n print(type(e), e)\nPY\n"
}Result of run_command 126 characters
{
"status": "ok",
"stdout": "<class 'OverflowError'> Python int too large to convert to C int\n",
"stderr": "",
"exit_code": 0
}Turn 7at 112 s267 tokens out5,223 prompt tokens
Reproduction successful.
Now I need to fix it by adding `OverflowError` to the `except` block in `w3lib/html.py`.
Let's double check the context.
```python
try:
if 0x80 <= number <= 0x9F:
return bytes((number,)).decode("cp1252")
else:
return chr(number)
except ValueError:
pass
```
I will change it to:
```python
try:
if 0x80 <= number <= 0x9F:
return bytes((number,)).decode("cp1252")
else:
return chr(number)
except (ValueError, OverflowError):
pass
```
Wait, let's see if there are other places where this might happen.
The `convert_entity` function is used by `replace_entities`.
Let's look at the file again to make sure I have the right line numbers and context.
TOOL CALL · read_file
{
"end_line": 100,
"filepath": "w3lib/html.py",
"start_line": 85
}Result of read_file 843 characters
{
"status": "ok",
"filepath": "w3lib/html.py",
"content": " # Numeric character references in the 80-9F range are typically\n # interpreted by browsers as representing the characters mapped\n # to bytes 80-9F in the Windows-1252 encoding. For more info\n # see: http://en.wikipedia.org/wiki/Character_encodings_in_HTML\n try:\n if 0x80 <= number <= 0x9F:\n return bytes((number,)).decode(\"cp1252\")\n else:\n return chr(number)\n except ValueError:\n pass\n\n return \"\" if remove_illegal and groups.get(\"semicolon\") else m.group(0)\n\n return _ent_re.sub(convert_entity, to_unicode(text, encoding))\n",
"start_line": 85,
"end_line": 100,
"total_lines": 369,
"is_truncated": false
}Turn 8at 117 s62 tokens out5,754 prompt tokens
Now I will apply the fix.
TOOL CALL · edit_file
{
"filepath": "w3lib/html.py",
"new_string": " except (ValueError, OverflowError):\n pass",
"old_string": " except ValueError:\n pass"
}Result of edit_file 505 characters
{
"status": "ok",
"filepath": "w3lib/html.py",
"occurrences": 1,
"strategy": "exact",
"diff": "--- a/w3lib/html.py\n+++ b/w3lib/html.py\n@@ -91,7 +91,7 @@\n return bytes((number,)).decode(\"cp1252\")\n else:\n return chr(number)\n- except ValueError:\n+ except (ValueError, OverflowError):\n pass\n \n return \"\" if remove_illegal and groups.get(\"semicolon\") else m.group(0)\n",
"is_truncated": false
}Turn 9at 130 s134 tokens out5,989 prompt tokens
Now let's verify the fix with the reproduction script.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nimport w3lib.html\ntry:\n # Construct a numeric entity with a huge number\n print(f\"Result: {w3lib.html.replace_entities('�')}\")\nexcept Exception as e:\n print(f\"Caught exception: {type(e)} {e}\")\nPY\n"
}Result of run_command 70 characters
{
"status": "ok",
"stdout": "Result: \n",
"stderr": "",
"exit_code": 0
}Turn 10at 156 s373 tokens out6,165 prompt tokens
Wait, the result was an empty string. Why?
Let's look at the code:
```python
if number is not None:
try:
if 0x80 <= number <= 0x9F:
return bytes((number,)).decode("cp1252")
else:
return chr(number)
except (ValueError, OverflowError):
pass
return "" if remove_illegal and groups.get("semicolon") else m.group(0)
```
In my test call: `w3lib.html.replace_entities('�')`.
`_ent_re` probably matched this.
`groups['dec']` is `'123456789012345678901234567890'`.
`number` is `123456789012345678901234567890`.
`chr(number)` raises `OverflowError`.
The `except` block catches it and does `pass`.
Then it reaches `return "" if remove_illegal and groups.get("semicolon") else m.group(0)`.
Wait, what is the default value of `remove_illegal`?
Let's see the `replace_entities` signature.
TOOL CALL · read_file
{
"end_line": 60,
"filepath": "w3lib/html.py",
"start_line": 40
}Result of read_file 974 characters
{
"status": "ok",
"filepath": "w3lib/html.py",
"content": " encoding: str = \"utf-8\",\n) -> str:\n \"\"\"Remove entities from the given `text` by converting them to their\n corresponding unicode character.\n\n `text` can be a unicode string or a byte string encoded in the given\n `encoding` (which defaults to 'utf-8').\n\n If `keep` is passed (with a list of entity names) those entities will\n be kept (they won't be removed).\n\n It supports both numeric entities (``&#nnnn;`` and ``&#hhhh;``)\n and named entities (such as `` `` or ``>``).\n\n If `remove_illegal` is ``True``, entities that can't be converted are removed.\n If `remove_illegal` is ``False``, entities that can't be converted are kept \"as\n is\". For more information see the tests.\n\n Always returns a unicode string (with the entities removed).\n\n >>> import w3lib.html",
"start_line": 40,
"end_line": 60,
"total_lines": 369,
"is_truncated": false
}Turn 11at 158 s46 tokens out6,851 prompt tokens
I need to see the actual function signature.
TOOL CALL · read_file
{
"end_line": 50,
"filepath": "w3lib/html.py",
"start_line": 30
}Result of read_file 773 characters
{
"status": "ok",
"filepath": "w3lib/html.py",
"content": " r\"((?P<cdata_s><!\\[CDATA\\[)(?P<cdata_d>.*?)(?P<cdata_e>\\]\\]>))\", re.DOTALL\n)\n\nHTML5_WHITESPACE = \" \\t\\n\\r\\x0c\"\n\n\ndef replace_entities(\n text: AnyStr,\n keep: Iterable[str] = (),\n remove_illegal: bool = True,\n encoding: str = \"utf-8\",\n) -> str:\n \"\"\"Remove entities from the given `text` by converting them to their\n corresponding unicode character.\n\n `text` can be a unicode string or a byte string encoded in the given\n `encoding` (which defaults to 'utf-8').\n\n If `keep` is passed (with a list of entity names) those entities will\n be kept (they won't be removed).\n",
"start_line": 30,
"end_line": 50,
"total_lines": 369,
"is_truncated": false
}Turn 12at 181 s284 tokens out7,191 prompt tokens
`remove_illegal` defaults to `True`.
So when `chr(number)` raises `OverflowError` and we catch it, we return `""` (because `remove_illegal` is `True` and `groups.get("semicolon")` is likely True since it's `&#...;`).
Wait, my test call `w3lib.html.replace_entities('�')` returned `Result: \n` (well, a newline because of how I printed it), which means it returned an empty string.
Let's test with `remove_illegal=False`.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nimport w3lib.html\ntry:\n # Construct a numeric entity with a huge number\n print(f\"Result: {w3lib.html.replace_entities('�', remove_illegal=False)}\")\nexcept Exception as e:\n print(f\"Caught exception: {type(e)} {e}\")\nPY\n"
}Result of run_command 103 characters
{
"status": "ok",
"stdout": "Result: �\n",
"stderr": "",
"exit_code": 0
}Turn 13at 191 s112 tokens out7,548 prompt tokens
Perfect. So now it's behaving correctly according to the logic of `replace_entities`: it no longer crashes with `OverflowError`, but instead treats the entity as "illegal" and either removes it (if `remove_illegal=True`) or keeps it as is (if `remove_illegal=False`). Now let's run existing tests to make sure no regressions.
TOOL CALL · run_command
{
"command": "pytest w3lib/html.py -q --tb=short --no-header"
}Result of run_command 177 characters
{
"status": "error",
"error_type": "CommandError",
"error_message": "\nno tests ran in 0.02s\n",
"details": {
"stdout": "\nno tests ran in 0.02s\n",
"stderr": "",
"exit_code": 5
}
}Turn 14at 194 s41 tokens out7,743 prompt tokens
I should run tests from the `tests/` directory. Let's find where the html tests are.
TOOL CALL · run_command
{
"command": "ls tests/"
}Result of run_command 146 characters
{
"status": "ok",
"stdout": "__init__.py\ntest_encoding.py\ntest_html.py\ntest_http.py\ntest_url.py\ntest_util.py\n",
"stderr": "",
"exit_code": 0
}Turn 15at 199 s47 tokens out7,862 prompt tokens
The tests are in `tests/test_html.py`.
TOOL CALL · run_command
{
"command": "pytest tests/test_html.py -q --tb=short --no-header"
}Result of run_command 161 characters
{
"status": "ok",
"stdout": "....................................................... [100%]\n55 passed in 0.06s\n",
"stderr": "",
"exit_code": 0
}Turn 16at 203 s46 tokens out7,971 prompt tokens
All tests passed. Let's do one final check on the diff and for any untracked files.
TOOL CALL · run_command
{
"command": "git status --short && git diff"
}Result of run_command 561 characters
{
"status": "ok",
"stdout": " M w3lib/html.py\ndiff --git a/w3lib/html.py b/w3lib/html.py\nindex a31d42b..0cff2ff 100644\n--- a/w3lib/html.py\n+++ b/w3lib/html.py\n@@ -91,7 +91,7 @@ def replace_entities(\n return bytes((number,)).decode(\"cp1252\")\n else:\n return chr(number)\n- except ValueError:\n+ except (ValueError, OverflowError):\n pass\n \n return \"\" if remove_illegal and groups.get(\"semicolon\") else m.group(0)\n",
"stderr": "",
"exit_code": 0
}Turn 17at 205 s33 tokens out8,230 prompt tokens
The diff looks correct and minimal. No untracked files. I'm confident in the fix.
TOOL CALL · submit_patch
Result of submit_patch 55 characters
{
"status": "ok",
"patch_size": 464,
"files_changed": 1
}Turn 18at 215 s149 tokens out8,302 prompt tokens
The task is complete. I've identified the root cause (unhandled `OverflowError` from `chr()` when given a very large integer), reproduced it, applied a surgical fix by adding `OverflowError` to the already existing `except` block, verified the fix with the reproduction script, and ran existing tests to ensure no regressions.
Turn 19at 215 s
The `convert_entity` function in `w3lib/html.py` failed to catch `OverflowError` when processing numeric entities with excessively large integer values. I updated the `try...except` block to catch both `ValueError` and `OverflowError`, ensuring that such entities are handled gracefully as "illegal" characters according to the specified behavior of `replace_entities`.
Model calls (not matched to turns)
Generated tokens 109 tokens · stopped: STOP
The user is reporting an `OverflowError: Python int too large to convert to C int` in the `convert_entity` function of `w3lib`. I need to find where `convert_entity` is defined, understand how it works, and ensure it handles `OverflowError`. First, let's find the `convert_entity` function.
<|channel>thought
The user is reporting an `OverflowError: Python int too large to convert to C int` in the `convert_entity` function of `w3lib`.
I need to find where `convert_entity` is defined, understand how it works, and ensure it handles `OverflowError`.
First, let's find the `convert_entity` function.<channel|><|tool_call>call:run_command{command:<|"|>grep -rn --include="*.py" "def convert_entity" .<|"|>}<tool_call|><|tool_response>
Generated tokens 69 tokens · stopped: STOP
The `convert_entity` function is in `w3lib/html.py` at line 69. Let's examine the code around it.
The `convert_entity` function is in `w3lib/html.py` at line 69. Let's examine the code around it.<channel|><|tool_call>call:read_file{filepath:<|"|>w3lib/html.py<|"|>,start_line:60,end_line:90}<tool_call|><|tool_response>
Generated tokens 55 tokens · stopped: STOP
The code is cut off. I need to read more of `convert_entity`.
The code is cut off. I need to read more of `convert_entity`.
<channel|><|tool_call>call:read_file{end_line:110,filepath:<|"|>w3lib/html.py<|"|>,start_line:91}<tool_call|><|tool_response>
Generated tokens 230 tokens · stopped: STOP
Wait, `convert_entity` is a nested function inside another function. Let's find the outer function.
Looking at the code:
```python
def convert_entity(m: Match) -> str:
# ...
if number is not None:
try:
if 0x80 <= number <= 0x9F:
return bytes((number,)).decode("cp1252")
else:
return chr(number)
except ValueError:
pass
return "" if remove_illegal and groups.get("semicolon") else m.group(0)
return _ent_re.sub(convert_entity, to_unicode(text, encoding))
```
It's called by `_ent_re.sub`. The outer function is probably `replace_entities`. Let me read the outer function.
Wait, `convert_entity` is a nested function inside another function. Let's find the outer function.
Looking at the code:
```python
def convert_entity(m: Match) -> str:
# ...
if number is not None:
try:
if 0x80 <= number <= 0x9F:
return bytes((number,)).decode("cp1252")
else:
return chr(number)
except ValueError:
pass
return "" if remove_illegal and groups.get("semicolon") else m.group(0)
return _ent_re.sub(convert_entity, to_unicode(text, encoding))
```
It's called by `_ent_re.sub`. The outer function is probably `replace_entities`. Let me read the outer function.
<channel|><|tool_call>call:read_file{end_line:80,filepath:<|"|>w3lib/html.py<|"|>,start_line:50}<tool_call|><|tool_response>
Generated tokens 481 tokens · stopped: STOP
Okay, so the outer function is `replace_entities`.
The `convert_entity` function calls `chr(number)`.
`chr(i)` raises `ValueError` if `i` is outside the range `[0, 0x10FFFF]`.
But the issue report says `OverflowError: Python int too large to convert to C int`.
Wait, `bytes((number,))` could also raise an `OverflowError` if `number` is too large to fit in a byte (though it's only called if `0x80 <= number <= 0x9F`).
Let's look at `chr(number)` again. In Python 3, `chr()` raises `ValueError` if the argument is not in the range `[0, 0x10ffff]`.
Wait, the screenshot shows `OverflowError`. Let's try to reproduce it.
`chr()` usually raises `ValueError`.
Could it be `bytes((number,))` ?
If `number` is very large, `bytes((number,))` will raise `ValueError: bytes must be in range(0, 256)`.
What about `int(groups["dec"], 10)`?
`int()` can handle arbitrarily large integers in Python 3.
The error `OverflowError: Python int too large to convert to C int` often happens when a Python int is passed to a C function that expects a C int (e.g., `int` in C is typically 32-bit).
Let's see where `number` is used.
```python
if 0x80 <= number <= 0x9F:
return bytes((number,)).decode("cp1252")
else:
return chr(number)
```
Wait, `chr(number)`'s implementation in CPython calls `PyUnicode_FromInt`.
If I pass a huge number to `chr()`, what happens?
Okay, so the outer function is `replace_entities`.
The `convert_entity` function calls `chr(number)`.
`chr(i)` raises `ValueError` if `i` is outside the range `[0, 0x10FFFF]`.
But the issue report says `OverflowError: Python int too large to convert to C int`.
Wait, `bytes((number,))` could also raise an `OverflowError` if `number` is too large to fit in a byte (though it's only called if `0x80 <= number <= 0x9F`).
Let's look at `chr(number)` again. In Python 3, `chr()` raises `ValueError` if the argument is not in the range `[0, 0x10ffff]`.
Wait, the screenshot shows `OverflowError`. Let's try to reproduce it.
`chr()` usually raises `ValueError`.
Could it be `bytes((number,))` ?
If `number` is very large, `bytes((number,))` will raise `ValueError: bytes must be in range(0, 256)`.
What about `int(groups["dec"], 10)`?
`int()` can handle arbitrarily large integers in Python 3.
The error `OverflowError: Python int too large to convert to C int` often happens when a Python int is passed to a C function that expects a C int (e.g., `int` in C is typically 32-bit).
Let's see where `number` is used.
```python
if 0x80 <= number <= 0x9F:
return bytes((number,)).decode("cp1252")
else:
return chr(number)
```
Wait, `chr(number)`'s implementation in CPython calls `PyUnicode_FromInt`.
If I pass a huge number to `chr()`, what happens?
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
try:
print(chr(10**20))
except Exception as e:
print(type(e), e)
PY
<|"|>}<tool_call|><|tool_response>
Generated tokens 241 tokens · stopped: STOP
Aha! `chr()` DOES raise `OverflowError` for very large integers.
The current `try...except` block only catches `ValueError`:
```python
try:
if 0x80 <= number <= 0x9F:
return bytes((number,)).decode("cp1252")
else:
return chr(number)
except ValueError:
pass
```
So I should add `OverflowError` to the `except` clause.
Let's verify this with a reproduction script that uses `w3lib.html.replace_entities`.
Aha! `chr()` DOES raise `OverflowError` for very large integers.
The current `try...except` block only catches `ValueError`:
```python
try:
if 0x80 <= number <= 0x9F:
return bytes((number,)).decode("cp1252")
else:
return chr(number)
except ValueError:
pass
```
So I should add `OverflowError` to the `except` clause.
Let's verify this with a reproduction script that uses `w3lib.html.replace_entities`.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
import w3lib.html
try:
# Construct a numeric entity with a huge number
print(w3lib.html.replace_entities("�"))
except Exception as e:
print(type(e), e)
PY
<|"|>}<tool_call|><|tool_response>
Generated tokens 267 tokens · stopped: STOP
Reproduction successful.
Now I need to fix it by adding `OverflowError` to the `except` block in `w3lib/html.py`.
Let's double check the context.
```python
try:
if 0x80 <= number <= 0x9F:
return bytes((number,)).decode("cp1252")
else:
return chr(number)
except ValueError:
pass
```
I will change it to:
```python
try:
if 0x80 <= number <= 0x9F:
return bytes((number,)).decode("cp1252")
else:
return chr(number)
except (ValueError, OverflowError):
pass
```
Wait, let's see if there are other places where this might happen.
The `convert_entity` function is used by `replace_entities`.
Let's look at the file again to make sure I have the right line numbers and context.
Reproduction successful.
Now I need to fix it by adding `OverflowError` to the `except` block in `w3lib/html.py`.
Let's double check the context.
```python
try:
if 0x80 <= number <= 0x9F:
return bytes((number,)).decode("cp1252")
else:
return chr(number)
except ValueError:
pass
```
I will change it to:
```python
try:
if 0x80 <= number <= 0x9F:
return bytes((number,)).decode("cp1252")
else:
return chr(number)
except (ValueError, OverflowError):
pass
```
Wait, let's see if there are other places where this might happen.
The `convert_entity` function is used by `replace_entities`.
Let's look at the file again to make sure I have the right line numbers and context.
<channel|><|tool_call>call:read_file{end_line:100,filepath:<|"|>w3lib/html.py<|"|>,start_line:85}<tool_call|><|tool_response>
Generated tokens 62 tokens · stopped: STOP
Now I will apply the fix.
Now I will apply the fix.
<channel|><|tool_call>call:edit_file{filepath:<|"|>w3lib/html.py<|"|>,new_string:<|"|> except (ValueError, OverflowError):
pass<|"|>,old_string:<|"|> except ValueError:
pass<|"|>}<tool_call|><|tool_response>
Generated tokens 134 tokens · stopped: STOP
Now let's verify the fix with the reproduction script.
Now let's verify the fix with the reproduction script.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
import w3lib.html
try:
# Construct a numeric entity with a huge number
print(f"Result: {w3lib.html.replace_entities('�')}")
except Exception as e:
print(f"Caught exception: {type(e)} {e}")
PY
<|"|>}<tool_call|><|tool_response>
Generated tokens 373 tokens · stopped: STOP
Wait, the result was an empty string. Why?
Let's look at the code:
```python
if number is not None:
try:
if 0x80 <= number <= 0x9F:
return bytes((number,)).decode("cp1252")
else:
return chr(number)
except (ValueError, OverflowError):
pass
return "" if remove_illegal and groups.get("semicolon") else m.group(0)
```
In my test call: `w3lib.html.replace_entities('�')`.
`_ent_re` probably matched this.
`groups['dec']` is `'123456789012345678901234567890'`.
`number` is `123456789012345678901234567890`.
`chr(number)` raises `OverflowError`.
The `except` block catches it and does `pass`.
Then it reaches `return "" if remove_illegal and groups.get("semicolon") else m.group(0)`.
Wait, what is the default value of `remove_illegal`?
Let's see the `replace_entities` signature.
Wait, the result was an empty string. Why?
Let's look at the code:
```python
if number is not None:
try:
if 0x80 <= number <= 0x9F:
return bytes((number,)).decode("cp1252")
else:
return chr(number)
except (ValueError, OverflowError):
pass
return "" if remove_illegal and groups.get("semicolon") else m.group(0)
```
In my test call: `w3lib.html.replace_entities('�')`.
`_ent_re` probably matched this.
`groups['dec']` is `'123456789012345678901234567890'`.
`number` is `123456789012345678901234567890`.
`chr(number)` raises `OverflowError`.
The `except` block catches it and does `pass`.
Then it reaches `return "" if remove_illegal and groups.get("semicolon") else m.group(0)`.
Wait, what is the default value of `remove_illegal`?
Let's see the `replace_entities` signature.
<channel|><|tool_call>call:read_file{end_line:60,filepath:<|"|>w3lib/html.py<|"|>,start_line:40}<tool_call|><|tool_response>
Generated tokens 46 tokens · stopped: STOP
I need to see the actual function signature.
I need to see the actual function signature.
<channel|><|tool_call>call:read_file{end_line:50,filepath:<|"|>w3lib/html.py<|"|>,start_line:30}<tool_call|><|tool_response>
Generated tokens 284 tokens · stopped: STOP
`remove_illegal` defaults to `True`.
So when `chr(number)` raises `OverflowError` and we catch it, we return `""` (because `remove_illegal` is `True` and `groups.get("semicolon")` is likely True since it's `&#...;`).
Wait, my test call `w3lib.html.replace_entities('�')` returned `Result: \n` (well, a newline because of how I printed it), which means it returned an empty string.
Let's test with `remove_illegal=False`.
`remove_illegal` defaults to `True`.
So when `chr(number)` raises `OverflowError` and we catch it, we return `""` (because `remove_illegal` is `True` and `groups.get("semicolon")` is likely True since it's `&#...;`).
Wait, my test call `w3lib.html.replace_entities('�')` returned `Result: \n` (well, a newline because of how I printed it), which means it returned an empty string.
Let's test with `remove_illegal=False`.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
import w3lib.html
try:
# Construct a numeric entity with a huge number
print(f"Result: {w3lib.html.replace_entities('�', remove_illegal=False)}")
except Exception as e:
print(f"Caught exception: {type(e)} {e}")
PY
<|"|>}<tool_call|><|tool_response>
Generated tokens 112 tokens · stopped: STOP
Perfect. So now it's behaving correctly according to the logic of `replace_entities`: it no longer crashes with `OverflowError`, but instead treats the entity as "illegal" and either removes it (if `remove_illegal=True`) or keeps it as is (if `remove_illegal=False`). Now let's run existing tests to make sure no regressions.
Perfect. So now it's behaving correctly according to the logic of `replace_entities`: it no longer crashes with `OverflowError`, but instead treats the entity as "illegal" and either removes it (if `remove_illegal=True`) or keeps it as is (if `remove_illegal=False`).
Now let's run existing tests to make sure no regressions.
<channel|><|tool_call>call:run_command{command:<|"|>pytest w3lib/html.py -q --tb=short --no-header<|"|>}<tool_call|><|tool_response>
Generated tokens 41 tokens · stopped: STOP
I should run tests from the `tests/` directory. Let's find where the html tests are.
I should run tests from the `tests/` directory. Let's find where the html tests are.
<channel|><|tool_call>call:run_command{command:<|"|>ls tests/<|"|>}<tool_call|><|tool_response>
Generated tokens 47 tokens · stopped: STOP
The tests are in `tests/test_html.py`.
The tests are in `tests/test_html.py`.
<channel|><|tool_call>call:run_command{command:<|"|>pytest tests/test_html.py -q --tb=short --no-header<|"|>}<tool_call|><|tool_response>
Generated tokens 46 tokens · stopped: STOP
All tests passed. Let's do one final check on the diff and for any untracked files.
All tests passed.
Let's do one final check on the diff and for any untracked files.
<channel|><|tool_call>call:run_command{command:<|"|>git status --short && git diff<|"|>}<tool_call|><|tool_response>
Generated tokens 33 tokens · stopped: STOP
The diff looks correct and minimal. No untracked files. I'm confident in the fix.
The diff looks correct and minimal. No untracked files.
I'm confident in the fix.
<channel|><|tool_call>call:submit_patch{}<tool_call|><|tool_response>
Patch, tests and logs
Final code change Included
diff --git a/w3lib/html.py b/w3lib/html.py
index a31d42b..0cff2ff 100644
--- a/w3lib/html.py
+++ b/w3lib/html.py
@@ -91,7 +91,7 @@ def replace_entities(
return bytes((number,)).decode("cp1252")
else:
return chr(number)
- except ValueError:
+ except (ValueError, OverflowError):
pass
return "" if remove_illegal and groups.get("semicolon") else m.group(0)
Test output Included
============================= test session starts ============================== collected 158 items tests/test_encoding.py ................... [ 12%] tests/test_html.py ..................................................... [ 45%] .. [ 46%] tests/test_http.py ....... [ 51%] tests/test_url.py .x.................................................... [ 85%] .................. [ 96%] tests/test_util.py ..... [100%] ==================================== PASSES ==================================== - generated xml file: /tmp/rebench-grade-b981fab4bf3449e3a3dd136f5a8eadbf.xml -- =========================== short test summary info ============================ PASSED tests/test_encoding.py::RequestEncodingTests::test_bom PASSED tests/test_encoding.py::RequestEncodingTests::test_html_body_declared_encoding PASSED tests/test_encoding.py::RequestEncodingTests::test_html_body_declared_encoding_unicode PASSED tests/test_encoding.py::RequestEncodingTests::test_http_encoding_header PASSED tests/test_encoding.py::CodecsEncodingTestCase::test_resolve_encoding PASSED tests/test_encoding.py::UnicodeDecodingTestCase::test_invalid_utf8 PASSED tests/test_encoding.py::UnicodeDecodingTestCase::test_utf8 PASSED tests/test_encoding.py::HtmlConversionTests::test_BOM PASSED tests/test_encoding.py::HtmlConversionTests::test_autodetect PASSED tests/test_encoding.py::HtmlConversionTests::test_content_type_and_conversion PASSED tests/test_encoding.py::HtmlConversionTests::test_default_encoding PASSED tests/test_encoding.py::HtmlConversionTests::test_empty_body PASSED tests/test_encoding.py::HtmlConversionTests::test_html_encoding PASSED tests/test_encoding.py::HtmlConversionTests::test_invalid_utf8_encoded_body_with_valid_utf8_BOM PASSED tests/test_encoding.py::HtmlConversionTests::test_python_crash PASSED tests/test_encoding.py::HtmlConversionTests::test_replace_wrong_encoding PASSED tests/test_encoding.py::HtmlConversionTests::test_unicode_body PASSED tests/test_encoding.py::HtmlConversionTests::test_utf16_32 PASSED tests/test_encoding.py::HtmlConversionTests::test_utf8_unexpected_end_of_data_with_valid_utf8_BOM PASSED tests/test_html.py::RemoveEntitiesTest::test_browser_hack PASSED tests/test_html.py::RemoveEntitiesTest::test_encoding PASSED tests/test_html.py::RemoveEntitiesTest::test_illegal_entities PASSED tests/test_html.py::RemoveEntitiesTest::test_keep_entities PASSED tests/test_html.py::RemoveEntitiesTest::test_missing_semicolon PASSED tests/test_html.py::RemoveEntitiesTest::test_regular PASSED tests/test_html.py::RemoveEntitiesTest::test_returns_unicode PASSED tests/test_html.py::ReplaceTagsTest::test_replace_tags PASSED tests/test_html.py::ReplaceTagsTest::test_replace_tags_multiline PASSED tests/test_html.py::ReplaceTagsTest::test_returns_unicode PASSED tests/test_html.py::RemoveCommentsTest::test_no_comments PASSED tests/test_html.py::RemoveCommentsTest::test_remove_comments PASSED tests/test_html.py::RemoveCommentsTest::test_returns_unicode PASSED tests/test_html.py::RemoveTagsTest::test_keep_argument PASSED tests/test_html.py::RemoveTagsTest::test_remove_empty_tags PASSED tests/test_html.py::RemoveTagsTest::test_remove_tags PASSED tests/test_html.py::RemoveTagsTest::test_remove_tags_with_attributes PASSED tests/test_html.py::RemoveTagsTest::test_remove_tags_without_tags PASSED tests/test_html.py::RemoveTagsTest::test_returns_unicode PASSED tests/test_html.py::RemoveTagsTest::test_uppercase_tags PASSED tests/test_html.py::RemoveTagsWithContentTest::test_empty_tags PASSED tests/test_html.py::RemoveTagsWithContentTest::test_returns_unicode PASSED tests/test_html.py::RemoveTagsWithContentTest::test_tags_with_shared_prefix PASSED tests/test_html.py::RemoveTagsWithContentTest::test_with_tags PASSED tests/test_html.py::RemoveTagsWithContentTest::test_without_tags PASSED tests/test_html.py::ReplaceEscapeCharsTest::test_returns_unicode PASSED tests/test_html.py::ReplaceEscapeCharsTest::test_with_escape_chars PASSED tests/test_html.py::ReplaceEscapeCharsTest::test_without_escape_chars PASSED tests/test_html.py::UnquoteMarkupTest::test_returns_unicode PASSED tests/test_html.py::UnquoteMarkupTest::test_unquote_markup PASSED tests/test_html.py::GetBaseUrlTest::test_attributes_before_href PASSED tests/test_html.py::GetBaseUrlTest::test_base_url_in_comment PASSED tests/test_html.py::GetBaseUrlTest::test_get_base_url PASSED tests/test_html.py::GetBaseUrlTest::test_get_base_url_latin1 PASSED tests/test_html.py::GetBaseUrlTest::test_get_base_url_latin1_percent PASSED tests/test_html.py::GetBaseUrlTest::test_get_base_url_utf8 PASSED tests/test_html.py::GetBaseUrlTest::test_no_scheme_url PASSED tests/test_html.py::GetBaseUrlTest::test_relative_url_with_absolute_path PASSED tests/test_html.py::GetBaseUrlTest::test_tag_name PASSED tests/test_html.py::GetMetaRefreshTest::test_commented_meta_refresh PASSED tests/test_html.py::GetMetaRefreshTest::test_entities_in_redirect_url PASSED tests/test_html.py::GetMetaRefreshTest::test_float_refresh_intervals PASSED tests/test_html.py::GetMetaRefreshTest::test_get_meta_refresh PASSED tests/test_html.py::GetMetaRefreshTest::test_html_comments_with_uncommented_meta_refresh PASSED tests/test_html.py::GetMetaRefreshTest::test_inside_noscript PASSED tests/test_html.py::GetMetaRefreshTest::test_inside_script PASSED tests/test_html.py::GetMetaRefreshTest::test_leading_newline_in_url PASSED tests/test_html.py::GetMetaRefreshTest::test_multiline PASSED tests/test_html.py::GetMetaRefreshTest::test_nonascii_url_latin1 PASSED tests/test_html.py::GetMetaRefreshTest::test_nonascii_url_latin1_query PASSED tests/test_html.py::GetMetaRefreshTest::test_nonascii_url_utf8 PASSED tests/test_html.py::GetMetaRefreshTest::test_redirections_in_different_ordering__in_meta_tag PASSED tests/test_html.py::GetMetaRefreshTest::test_relative_redirects PASSED tests/test_html.py::GetMetaRefreshTest::test_tag_name PASSED tests/test_html.py::GetMetaRefreshTest::test_without_url PASSED tests/test_http.py::HttpTests::test_basic_auth_header PASSED tests/test_http.py::HttpTests::test_basic_auth_header_encoding PASSED tests/test_http.py::HttpTests::test_headers_dict_to_raw PASSED tests/test_http.py::HttpTests::test_headers_dict_to_raw_listtuple PASSED tests/test_http.py::HttpTests::test_headers_dict_to_raw_wrong_values PASSED tests/test_http.py::HttpTests::test_headers_raw_dict_none PASSED tests/test_http.py::HttpTests::test_headers_raw_to_dict PASSED tests/test_url.py::UrlTests::test_add_or_replace_parameter PASSED tests/test_url.py::UrlTests::test_add_or_replace_parameters PASSED tests/test_url.py::UrlTests::test_add_or_replace_parameters_does_not_change_input_param PASSED tests/test_url.py::UrlTests::test_any_to_uri PASSED tests/test_url.py::UrlTests::test_file_uri_to_path PASSED tests/test_url.py::UrlTests::test_is_url PASSED tests/test_url.py::UrlTests::test_path_to_file_uri PASSED tests/test_url.py::UrlTests::test_safe_download_url PASSED tests/test_url.py::UrlTests::test_safe_url_idna PASSED tests/test_url.py::UrlTests::test_safe_url_idna_encoding_failure PASSED tests/test_url.py::UrlTests::test_safe_url_port_number PASSED tests/test_url.py::UrlTests::test_safe_url_string PASSED tests/test_url.py::UrlTests::test_safe_url_string_bytes_input PASSED tests/test_url.py::UrlTests::test_safe_url_string_bytes_input_nonutf8 PASSED tests/test_url.py::UrlTests::test_safe_url_string_encode_idna_domain_with_port PASSED tests/test_url.py::UrlTests::test_safe_url_string_encode_idna_domain_with_username_and_empty_password_and_port_number PASSED tests/test_url.py::UrlTests::test_safe_url_string_encode_idna_domain_with_username_password_and_port_number PASSED tests/test_url.py::UrlTests::test_safe_url_string_misc PASSED tests/test_url.py::UrlTests::test_safe_url_string_preserve_nonfragment_hash PASSED tests/test_url.py::UrlTests::test_safe_url_string_quote_path PASSED tests/test_url.py::UrlTests::test_safe_url_string_remove_ascii_tab_and_newlines PASSED tests/test_url.py::UrlTests::test_safe_url_string_unsafe_chars PASSED tests/test_url.py::UrlTests::test_safe_url_string_user_and_pass_percentage_encoded PASSED tests/test_url.py::UrlTests::test_safe_url_string_userinfo_unsafe_chars PASSED tests/test_url.py::UrlTests::test_safe_url_string_with_query PASSED tests/test_url.py::UrlTests::test_url_query_cleaner PASSED tests/test_url.py::UrlTests::test_url_query_cleaner_keep_fragments PASSED tests/test_url.py::UrlTests::test_url_query_parameter PASSED tests/test_url.py::UrlTests::test_url_query_parameter_2 PASSED tests/test_url.py::CanonicalizeUrlTest::test_append_missing_path PASSED tests/test_url.py::CanonicalizeUrlTest::test_canonicalize_idns PASSED tests/test_url.py::CanonicalizeUrlTest::test_canonicalize_parse_url PASSED tests/test_url.py::CanonicalizeUrlTest::test_canonicalize_url PASSED tests/test_url.py::CanonicalizeUrlTest::test_canonicalize_url_idempotence PASSED tests/test_url.py::CanonicalizeUrlTest::test_canonicalize_url_idna_exceptions PASSED tests/test_url.py::CanonicalizeUrlTest::test_canonicalize_url_unicode_path PASSED tests/test_url.py::CanonicalizeUrlTest::test_canonicalize_url_unicode_query_string PASSED tests/test_url.py::CanonicalizeUrlTest::test_canonicalize_url_unicode_query_string_wrong_encoding PASSED tests/test_url.py::CanonicalizeUrlTest::test_canonicalize_urlparsed PASSED tests/test_url.py::CanonicalizeUrlTest::test_domains_are_case_insensitive PASSED tests/test_url.py::CanonicalizeUrlTest::test_dont_convert_safe_characters PASSED tests/test_url.py::CanonicalizeUrlTest::test_keep_blank_values PASSED tests/test_url.py::CanonicalizeUrlTest::test_non_ascii_percent_encoding_in_paths PASSED tests/test_url.py::CanonicalizeUrlTest::test_non_ascii_percent_encoding_in_query_arguments PASSED tests/test_url.py::CanonicalizeUrlTest::test_normalize_percent_encoding_in_paths PASSED tests/test_url.py::CanonicalizeUrlTest::test_normalize_percent_encoding_in_query_arguments PASSED tests/test_url.py::CanonicalizeUrlTest::test_port_number PASSED tests/test_url.py::CanonicalizeUrlTest::test_preserve_nonfragment_hash PASSED tests/test_url.py::CanonicalizeUrlTest::test_quoted_slash_and_question_sign PASSED tests/test_url.py::CanonicalizeUrlTest::test_remove_fragments PASSED tests/test_url.py::CanonicalizeUrlTest::test_return_str PASSED tests/test_url.py::CanonicalizeUrlTest::test_safe_characters_unicode PASSED tests/test_url.py::CanonicalizeUrlTest::test_sorting PASSED tests/test_url.py::CanonicalizeUrlTest::test_spaces PASSED tests/test_url.py::CanonicalizeUrlTest::test_strip_spaces PASSED tests/test_url.py::CanonicalizeUrlTest::test_typical_usage PASSED tests/test_url.py::CanonicalizeUrlTest::test_urls_with_auth_and_ports PASSED tests/test_url.py::DataURITests::test_base64 PASSED tests/test_url.py::DataURITests::test_base64_spaces PASSED tests/test_url.py::DataURITests::test_bytes_uri PASSED tests/test_url.py::DataURITests::test_default_mediatype PASSED tests/test_url.py::DataURITests::test_default_mediatype_charset PASSED tests/test_url.py::DataURITests::test_mediatype_parameters PASSED tests/test_url.py::DataURITests::test_missing_comma PASSED tests/test_url.py::DataURITests::test_missing_scheme PASSED tests/test_url.py::DataURITests::test_scheme_case_insensitive PASSED tests/test_url.py::DataURITests::test_text_charset PASSED tests/test_url.py::DataURITests::test_text_uri PASSED tests/test_url.py::DataURITests::test_unicode_uri PASSED tests/test_url.py::DataURITests::test_wrong_base64_param PASSED tests/test_url.py::DataURITests::test_wrong_scheme PASSED tests/test_util.py::StrToUnicodeTestCase::test_deprecation PASSED tests/test_util.py::ToBytesTestCase::test_type_error PASSED tests/test_util.py::ToNativeStrTestCase::test_deprecation PASSED tests/test_util.py::ToUnicodeTestCase::test_type_error PASSED tests/test_util.py::UnicodeToStrTestCase::test_deprecation XFAIL tests/test_url.py::UrlTests::test_add_or_replace_parameter_fail - https://github.com/scrapy/w3lib/issues/164 ======================== 157 passed, 1 xfailed in 0.24s ========================
Test errors Included
Test report (JUnit) Included
<?xml version="1.0" encoding="utf-8"?><testsuites name="pytest tests"><testsuite name="pytest" errors="0" failures="0" skipped="1" tests="158" time="0.240" timestamp="2026-11-14T04:29:23.557495+00:00" hostname="2f3b4b18c78a"><testcase classname="tests.test_encoding.RequestEncodingTests" name="test_bom" time="0.002" /><testcase classname="tests.test_encoding.RequestEncodingTests" name="test_html_body_declared_encoding" time="0.000" /><testcase classname="tests.test_encoding.RequestEncodingTests" name="test_html_body_declared_encoding_unicode" time="0.000" /><testcase classname="tests.test_encoding.RequestEncodingTests" name="test_http_encoding_header" time="0.001" /><testcase classname="tests.test_encoding.CodecsEncodingTestCase" name="test_resolve_encoding" time="0.001" /><testcase classname="tests.test_encoding.UnicodeDecodingTestCase" name="test_invalid_utf8" time="0.000" /><testcase classname="tests.test_encoding.UnicodeDecodingTestCase" name="test_utf8" time="0.000" /><testcase classname="tests.test_encoding.HtmlConversionTests" name="test_BOM" time="0.000" /><testcase classname="tests.test_encoding.HtmlConversionTests" name="test_autodetect" time="0.001" /><testcase classname="tests.test_encoding.HtmlConversionTests" name="test_content_type_and_conversion" time="0.001" /><testcase classname="tests.test_encoding.HtmlConversionTests" name="test_default_encoding" time="0.000" /><testcase classname="tests.test_encoding.HtmlConversionTests" name="test_empty_body" time="0.000" /><testcase classname="tests.test_encoding.HtmlConversionTests" name="test_html_encoding" time="0.000" /><testcase classname="tests.test_encoding.HtmlConversionTests" name="test_invalid_utf8_encoded_body_with_valid_utf8_BOM" time="0.000" /><testcase classname="tests.test_encoding.HtmlConversionTests" name="test_python_crash" time="0.069" /><testcase classname="tests.test_encoding.HtmlConversionTests" name="test_replace_wrong_encoding" time="0.000" /><testcase classname="tests.test_encoding.HtmlConversionTests" name="test_unicode_body" time="0.001" /><testcase classname="tests.test_encoding.HtmlConversionTests" name="test_utf16_32" time="0.002" /><testcase classname="tests.test_encoding.HtmlConversionTests" name="test_utf8_unexpected_end_of_data_with_valid_utf8_BOM" time="0.000" /><testcase classname="tests.test_html.RemoveEntitiesTest" name="test_browser_hack" time="0.000" /><testcase classname="tests.test_html.RemoveEntitiesTest" name="test_encoding" time="0.000" /><testcase classname="tests.test_html.RemoveEntitiesTest" name="test_illegal_entities" time="0.000" /><testcase classname="tests.test_html.RemoveEntitiesTest" name="test_keep_entities" time="0.000" /><testcase classname="tests.test_html.RemoveEntitiesTest" name="test_missing_semicolon" time="0.000" /><testcase classname="tests.test_html.RemoveEntitiesTest" name="test_regular" time="0.000" /><testcase classname="tests.test_html.RemoveEntitiesTest" name="test_returns_unicode" time="0.000" /><testcase classname="tests.test_html.ReplaceTagsTest" name="test_replace_tags" time="0.000" /><testcase classname="tests.test_html.ReplaceTagsTest" name="test_replace_tags_multiline" time="0.000" /><testcase classname="tests.test_html.ReplaceTagsTest" name="test_returns_unicode" time="0.000" /><testcase classname="tests.test_html.RemoveCommentsTest" name="test_no_comments" time="0.000" /><testcase classname="tests.test_html.RemoveCommentsTest" name="test_remove_comments" time="0.000" /><testcase classname="tests.test_html.RemoveCommentsTest" name="test_returns_unicode" time="0.000" /><testcase classname="tests.test_html.RemoveTagsTest" name="test_keep_argument" time="0.000" /><testcase classname="tests.test_html.RemoveTagsTest" name="test_remove_empty_tags" time="0.000" /><testcase classname="tests.test_html.RemoveTagsTest" name="test_remove_tags" time="0.000" /><testcase classname="tests.test_html.RemoveTagsTest" name="test_remove_tags_with_attributes" time="0.000" /><testcase classname="tests.test_html.RemoveTagsTest" name="test_remove_tags_without_tags" time="0.000" /><testcase classname="tests.test_html.RemoveTagsTest" name="test_returns_unicode" time="0.000" /><testcase classname="tests.test_html.RemoveTagsTest" name="test_uppercase_tags" time="0.000" /><testcase classname="tests.test_html.RemoveTagsWithContentTest" name="test_empty_tags" time="0.000" /><testcase classname="tests.test_html.RemoveTagsWithContentTest" name="test_returns_unicode" time="0.000" /><testcase classname="tests.test_html.RemoveTagsWithContentTest" name="test_tags_with_shared_prefix" time="0.000" /><testcase classname="tests.test_html.RemoveTagsWithContentTest" name="test_with_tags" time="0.000" /><testcase classname="tests.test_html.RemoveTagsWithContentTest" name="test_without_tags" time="0.000" /><testcase classname="tests.test_html.ReplaceEscapeCharsTest" name="test_returns_unicode" time="0.000" /><testcase classname="tests.test_html.ReplaceEscapeCharsTest" name="test_with_escape_chars" time="0.000" /><testcase classname="tests.test_html.ReplaceEscapeCharsTest" name="test_without_escape_chars" time="0.000" /><testcase classname="tests.test_html.UnquoteMarkupTest" name="test_returns_unicode" time="0.000" /><testcase classname="tests.test_html.UnquoteMarkupTest" name="test_unquote_markup" time="0.000" /><testcase classname="tests.test_html.GetBaseUrlTest" name="test_attributes_before_href" time="0.003" /><testcase classname="tests.test_html.GetBaseUrlTest" name="test_base_url_in_comment" time="0.000" /><testcase classname="tests.test_html.GetBaseUrlTest" name="test_get_base_url" time="0.000" /><testcase classname="tests.test_html.GetBaseUrlTest" name="test_get_base_url_latin1" time="0.000" /><testcase classname="tests.test_html.GetBaseUrlTest" name="test_get_base_url_latin1_percent" time="0.000" /><testcase classname="tests.test_html.GetBaseUrlTest" name="test_get_base_url_utf8" time="0.000" /><testcase classname="tests.test_html.GetBaseUrlTest" name="test_no_scheme_url" time="0.000" /><testcase classname="tests.test_html.GetBaseUrlTest" name="test_relative_url_with_absolute_path" time="0.000" /><testcase classname="tests.test_html.GetBaseUrlTest" name="test_tag_name" time="0.000" /><testcase classname="tests.test_html.GetMetaRefreshTest" name="test_commented_meta_refresh" time="0.000" /><testcase classname="tests.test_html.GetMetaRefreshTest" name="test_entities_in_redirect_url" time="0.000" /><testcase classname="tests.test_html.GetMetaRefreshTest" name="test_float_refresh_intervals" time="0.000" /><testcase classname="tests.test_html.GetMetaRefreshTest" name="test_get_meta_refresh" time="0.000" /><testcase classname="tests.test_html.GetMetaRefreshTest" name="test_html_comments_with_uncommented_meta_refresh" time="0.000" /><testcase classname="tests.test_html.GetMetaRefreshTest" name="test_inside_noscript" time="0.000" /><testcase classname="tests.test_html.GetMetaRefreshTest" name="test_inside_script" time="0.000" /><testcase classname="tests.test_html.GetMetaRefreshTest" name="test_leading_newline_in_url" time="0.000" /><testcase classname="tests.test_html.GetMetaRefreshTest" name="test_multiline" time="0.000" /><testcase classname="tests.test_html.GetMetaRefreshTest" name="test_nonascii_url_latin1" time="0.000" /><testcase classname="tests.test_html.GetMetaRefreshTest" name="test_nonascii_url_latin1_query" time="0.000" /><testcase classname="tests.test_html.GetMetaRefreshTest" name="test_nonascii_url_utf8" time="0.000" /><testcase classname="tests.test_html.GetMetaRefreshTest" name="test_redirections_in_different_ordering__in_meta_tag" time="0.000" /><testcase classname="tests.test_html.GetMetaRefreshTest" name="test_relative_redirects" time="0.000" /><testcase classname="tests.test_html.GetMetaRefreshTest" name="test_tag_name" time="0.000" /><testcase classname="tests.test_html.GetMetaRefreshTest" name="test_without_url" time="0.000" /><testcase classname="tests.test_http.HttpTests" name="test_basic_auth_header" time="0.000" /><testcase classname="tests.test_http.HttpTests" name="test_basic_auth_header_encoding" time="0.000" /><testcase classname="tests.test_http.HttpTests" name="test_headers_dict_to_raw" time="0.000" /><testcase classname="tests.test_http.HttpTests" name="test_headers_dict_to_raw_listtuple" time="0.000" /><testcase classname="tests.test_http.HttpTests" name="test_headers_dict_to_raw_wrong_values" time="0.000" /><testcase classname="tests.test_http.HttpTests" name="test_headers_raw_dict_none" time="0.000" /><testcase classname="tests.test_http.HttpTests" name="test_headers_raw_to_dict" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_add_or_replace_parameter" time="0.001" /><testcase classname="tests.test_url.UrlTests" name="test_add_or_replace_parameter_fail" time="0.000"><skipped type="pytest.xfail" message="https://github.com/scrapy/w3lib/issues/164" /></testcase><testcase classname="tests.test_url.UrlTests" name="test_add_or_replace_parameters" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_add_or_replace_parameters_does_not_change_input_param" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_any_to_uri" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_file_uri_to_path" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_is_url" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_path_to_file_uri" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_safe_download_url" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_safe_url_idna" time="0.002" /><testcase classname="tests.test_url.UrlTests" name="test_safe_url_idna_encoding_failure" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_safe_url_port_number" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_safe_url_string" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_safe_url_string_bytes_input" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_safe_url_string_bytes_input_nonutf8" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_safe_url_string_encode_idna_domain_with_port" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_safe_url_string_encode_idna_domain_with_username_and_empty_password_and_port_number" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_safe_url_string_encode_idna_domain_with_username_password_and_port_number" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_safe_url_string_misc" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_safe_url_string_preserve_nonfragment_hash" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_safe_url_string_quote_path" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_safe_url_string_remove_ascii_tab_and_newlines" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_safe_url_string_unsafe_chars" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_safe_url_string_user_and_pass_percentage_encoded" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_safe_url_string_userinfo_unsafe_chars" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_safe_url_string_with_query" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_url_query_cleaner" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_url_query_cleaner_keep_fragments" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_url_query_parameter" time="0.000" /><testcase classname="tests.test_url.UrlTests" name="test_url_query_parameter_2" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_append_missing_path" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_canonicalize_idns" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_canonicalize_parse_url" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_canonicalize_url" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_canonicalize_url_idempotence" time="0.001" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_canonicalize_url_idna_exceptions" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_canonicalize_url_unicode_path" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_canonicalize_url_unicode_query_string" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_canonicalize_url_unicode_query_string_wrong_encoding" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_canonicalize_urlparsed" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_domains_are_case_insensitive" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_dont_convert_safe_characters" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_keep_blank_values" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_non_ascii_percent_encoding_in_paths" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_non_ascii_percent_encoding_in_query_arguments" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_normalize_percent_encoding_in_paths" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_normalize_percent_encoding_in_query_arguments" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_port_number" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_preserve_nonfragment_hash" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_quoted_slash_and_question_sign" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_remove_fragments" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_return_str" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_safe_characters_unicode" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_sorting" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_spaces" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_strip_spaces" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_typical_usage" time="0.000" /><testcase classname="tests.test_url.CanonicalizeUrlTest" name="test_urls_with_auth_and_ports" time="0.000" /><testcase classname="tests.test_url.DataURITests" name="test_base64" time="0.000" /><testcase classname="tests.test_url.DataURITests" name="test_base64_spaces" time="0.000" /><testcase classname="tests.test_url.DataURITests" name="test_bytes_uri" time="0.000" /><testcase classname="tests.test_url.DataURITests" name="test_default_mediatype" time="0.000" /><testcase classname="tests.test_url.DataURITests" name="test_default_mediatype_charset" time="0.000" /><testcase classname="tests.test_url.DataURITests" name="test_mediatype_parameters" time="0.000" /><testcase classname="tests.test_url.DataURITests" name="test_missing_comma" time="0.000" /><testcase classname="tests.test_url.DataURITests" name="test_missing_scheme" time="0.000" /><testcase classname="tests.test_url.DataURITests" name="test_scheme_case_insensitive" time="0.000" /><testcase classname="tests.test_url.DataURITests" name="test_text_charset" time="0.000" /><testcase classname="tests.test_url.DataURITests" name="test_text_uri" time="0.000" /><testcase classname="tests.test_url.DataURITests" name="test_unicode_uri" time="0.000" /><testcase classname="tests.test_url.DataURITests" name="test_wrong_base64_param" time="0.000" /><testcase classname="tests.test_url.DataURITests" name="test_wrong_scheme" time="0.000" /><testcase classname="tests.test_util.StrToUnicodeTestCase" name="test_deprecation" time="0.000" /><testcase classname="tests.test_util.ToBytesTestCase" name="test_type_error" time="0.000" /><testcase classname="tests.test_util.ToNativeStrTestCase" name="test_deprecation" time="0.000" /><testcase classname="tests.test_util.ToUnicodeTestCase" name="test_type_error" time="0.000" /><testcase classname="tests.test_util.UnicodeToStrTestCase" name="test_deprecation" 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 scrapy/w3lib.
[ 13.1s] 💭 (291 chars) "The user is reporting an `OverflowError: Python int too large to convert to C int` in the
`convert_entity` function of `..."
[ 13.1s] 🔧 run_command grep -rn --include="*.py" "def convert_entity" .
[ 13.2s] → ./w3lib/html.py:69: def convert_entity(m: Match) -> str:
[ 18.5s] 💭 (97 chars) "The `convert_entity` function is in `w3lib/html.py` at line 69. Let's examine the code around
it."
[ 18.5s] 📖 read_file (w3lib/html.py)
[ 18.5s] ✓ {'status': 'ok', 'filepath': 'w3lib/html.py', 'content': ' >>> import w3lib.html\n >>>
w3lib.html.replace_entities…
[ 21.4s] 💭 (61 chars) "The code is cut off. I need to read more of `convert_entity`."
[ 21.4s] 📖 read_file (w3lib/html.py)
[ 21.5s] ✓ {'status': 'ok', 'filepath': 'w3lib/html.py', 'content': ' return
bytes((number,)).decode("cp1252")\n…
[ 35.1s] 💭 (717 chars) "Wait, `convert_entity` is a nested function inside another function. Let's find the outer
function.
Looking at the code..."
[ 35.1s] 📖 read_file (w3lib/html.py)
[ 35.1s] ✓ {'status': 'ok', 'filepath': 'w3lib/html.py', 'content': '\n It supports both numeric entities
(``&#nnnn;`` and ``&#h…
[ 79.9s] 💭 (1422 chars) "Okay, so the outer function is `replace_entities`.
The `convert_entity` function calls `chr(number)`.
`chr(i)` raises `..."
[ 79.9s] 🔧 run_command (6 lines) python3 - <<'PY'
[ 80.0s] → <class 'OverflowError'> Python int too large to convert to C int
[ 96.9s] 💭 (517 chars) "Aha! `chr()` DOES raise `OverflowError` for very large integers.
The current `try...except` block only catches `ValueEr..."
[ 96.9s] 🔧 run_command (8 lines) python3 - <<'PY'
[ 97.1s] → <class 'OverflowError'> Python int too large to convert to C int
[ 111.2s] 💭 (898 chars) "Reproduction successful.
Now I need to fix it by adding `OverflowError` to the `except` block in `w3lib/html.py`.
Let'..."
[ 111.2s] 📖 read_file (w3lib/html.py)
[ 111.3s] ✓ {'status': 'ok', 'filepath': 'w3lib/html.py', 'content': ' # Numeric character references in
the 80-9F range …
[ 116.6s] 💭 (25 chars) "Now I will apply the fix."
[ 116.6s] ✏️ edit_file (w3lib/html.py)
[ 116.8s] ✓ {'status': 'ok', 'filepath': 'w3lib/html.py', 'occurrences': 1, 'strategy': 'exact', 'diff': '---
a/w3lib/html.py\n+++ b…
[ 129.7s] 💭 (54 chars) "Now let's verify the fix with the reproduction script."
[ 129.7s] 🔧 run_command (8 lines) python3 - <<'PY'
[ 129.7s] → Result:
[ 155.3s] 💭 (938 chars) "Wait, the result was an empty string. Why?
Let's look at the code:
```python
if number is not None:
..."
[ 155.3s] 📖 read_file (w3lib/html.py)
[ 155.3s] ✓ {'status': 'ok', 'filepath': 'w3lib/html.py', 'content': ' encoding: str = "utf-8",\n) -> str:\n
"""Remove entitie…
[ 157.7s] 💭 (44 chars) "I need to see the actual function signature."
[ 157.7s] 📖 read_file (w3lib/html.py)
[ 157.8s] ✓ {'status': 'ok', 'filepath': 'w3lib/html.py', 'content': '
r"((?P<cdata_s><!\[CDATA\[)(?P<cdata_d>.*?)(?P<cdata_e>\…
[ 180.9s] 💭 (454 chars) "`remove_illegal` defaults to `True`.
So when `chr(number)` raises `OverflowError` and we catch it, we return `""` (becau..."
[ 180.9s] 🔧 run_command (8 lines) python3 - <<'PY'
[ 181.0s] → Result: �
[ 190.3s] 💭 (326 chars) "Perfect. So now it's behaving correctly according to the logic of `replace_entities`: it no
longer crashes with `Overflo..."
[ 190.3s] 🔧 run_command pytest w3lib/html.py -q --tb=short --no-header
[ 190.7s] → error (exit 0):
[ 193.2s] 💭 (84 chars) "I should run tests from the `tests/` directory. Let's find where the html tests are."
[ 193.2s] 🔧 run_command ls tests/
[ 193.3s] → __init__.py
[ 198.5s] 💭 (38 chars) "The tests are in `tests/test_html.py`."
[ 198.5s] 🔧 run_command pytest tests/test_html.py -q --tb=short --no-header
[ 198.7s] → ....................................................... [100%]
[ 202.2s] 💭 (84 chars) "All tests passed.
Let's do one final check on the diff and for any untracked files."
[ 202.2s] 🔧 run_command git status --short && git diff
[ 202.3s] → M w3lib/html.py
[ 204.9s] 💭 (82 chars) "The diff looks correct and minimal. No untracked files.
I'm confident in the fix."
[ 204.9s] 🤖 submit_patch
[ 205.0s] → submit_patch: {"status": "ok", "patch_size": 464, "files_changed": 1}
[ 214.7s] 💭 (326 chars) "The task is complete. I've identified the root cause (unhandled `OverflowError` from `chr()`
when given a very large int..."
[ 214.7s] ✅ Agent finished: The `convert_entity` function in `w3lib/html.py` failed to catch `OverflowError` when
processing numeric entities with excessively large integer values. I updated the `try...except` block to catch bot...
Native result row
{
"agent_error": null,
"duration_seconds": 218.55,
"error": null,
"grade": {
"collected_tests": 158,
"competition_junit_ok": true,
"error": null,
"required_issues_count": 0,
"resolved": true,
"status_counts": {
"PASSED": 157,
"SKIPPED": 1
},
"strict_clean_patch": true,
"test_exit_code": 0
},
"instance_id": "scrapy__w3lib-202",
"pass_idx": 0,
"patch_chars": 464,
"phase1_seconds": 217.39,
"repo": "scrapy/w3lib",
"request_log_path": "/kaggle-root/working/r31/rollouts_X/requests/scrapy__w3lib-202__p0__r5.jsonl",
"resolved": true,
"rollout_idx": 5,
"run_key": "scrapy__w3lib-202__p0__r5",
"strict_clean_patch": true,
"tool_calls": 16,
"total_llm_calls": 18,
"trace_path": "/kaggle-root/working/r31/rollouts_X/traces/trace_scrapy__w3lib-202__p0__r5.json"
}