ROLLOUT 7 · ecmwf/earthkit-data
ecmwf__earthkit-data-111
Solved
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14tool calls
16model calls
3,874tokens generated
118,118prompt tokens read
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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 2,913 characters
You are evaluating a software engineering task for repository ecmwf/earthkit-data.
Problem Statement:
to_pandas fails for bufr when no filters argument specified
### What happened?
Running this code:
```
ds = earthkit.data.from_source("file", "synop.bufr")
r = ds.to_pandas(columns=["latitude", "longitude"])
```
results in the following error:
```
File "git/pdbufr/pdbufr/bufr_structure.py", line 616, in stream_bufr
filters = dict(filters)
TypeError: 'NoneType' object is not iterable
```
To make it work `filters` must be specified. E.g.:
`r = ds.to_pandas(columns=["latitude", "longitude"], filters={})`
### What are the steps to reproduce the bug?
See above
### Version
0.1.3, develop
### Platform (OS and architecture)
all
### Relevant log output
_No response_
### Accompanying data
_No response_
### Organisation
_No response_
## 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
./Makefile
./README.md
./docs
./earthkit
./earthkit/data
./earthkit/data/__init__.py
./earthkit/data/arguments
./earthkit/data/core
./earthkit/data/data
./earthkit/data/decorators.py
./earthkit/data/indexing
./earthkit/data/input_manager.py
./earthkit/data/mergers
./earthkit/data/mirrors
./earthkit/data/readers
./earthkit/data/sources
./earthkit/data/sphinxext
./earthkit/data/testing.py
./earthkit/data/translators
./earthkit/data/utils
./earthkit/data/vocabularies
./earthkit/data/wrappers
./environment.yml
./pyproject.toml
./pytest.ini
./setup.cfg
./tests
```
Turn 1at 35 s346 tokens out2,836 prompt tokens
The user is reporting a `TypeError: 'NoneType' object is not iterable` when calling `to_pandas()` on a BUFR dataset without providing the `filters` argument.
The error occurs in `git/pdbufr/pdbufr/bufr_structure.py`, line 616, in `stream_bufr`.
Wait, the error message mentions `git/pdbufr/pdbufr/bufr_structure.py`. This sounds like it's in a dependency (`pdbufr`). But I should check if `pdbufr` is part of the workspace or an external dependency.
The workspace layout shows `earthkit/data`.
Let's check if `pdbufr` is in the workspace.
Looking at the provided workspace layout, I don't see `pdbufr`. This might be a dependency installed in the environment.
However, the problem statement says:
```python
ds = earthkit.data.from_source("file", "synop.bufr")
r = ds.to_pandas(columns=["latitude", "longitude"])
```
And the error is in `pdbufr`.
If `earthkit.data` calls `pdbufr`, it might be passing `filters=None` when `pdbufr` expects an iterable (like a dict).
Let's search for `to_pandas` in `earthkit/data`.
TOOL CALL · run_command
{
"command": "grep -rn --include=\"*.py\" \"to_pandas\" earthkit/data | head -n 20"
}Result of run_command 1,671 characters
{
"status": "ok",
"stdout": "earthkit/data/core/statistics.py:71: def to_pandas(self):\nearthkit/data/core/__init__.py:47: def to_pandas(self, **kwargs):\nearthkit/data/mergers/pandas.py:21: return pd.concat([s.to_pandas(**kwargs) for s in sources], **options)\nearthkit/data/mergers/__init__.py:17:FORWARDS = (\"to_xarray\", \"to_pandas\", \"to_tfdataset\")\nearthkit/data/mergers/__init__.py:74: def to_pandas(self, **kwargs):\nearthkit/data/mergers/__init__.py:113: def to_pandas(self, *args, **kwargs):\nearthkit/data/mergers/__init__.py:114: return self.obj.to_pandas(self.paths_or_sources, **kwargs)\nearthkit/data/mergers/__init__.py:129: to_pandas = _call_func\nearthkit/data/sources/multi.py:100: def to_pandas(self, **kwargs):\nearthkit/data/sources/multi.py:101: return make_merger(self.merger, self.sources).to_pandas(**kwargs)\nearthkit/data/sources/cds.py:130: def to_pandas(self, **kwargs):\nearthkit/data/sources/cds.py:146: return super().to_pandas(\nearthkit/data/sources/memory.py:41: def to_pandas(self, **kwargs):\nearthkit/data/sources/memory.py:42: return self._reader.to_pandas(**kwargs)\nearthkit/data/sources/ecmwf_api.py:99: def to_pandas(self, **kwargs):\nearthkit/data/sources/ecmwf_api.py:117: return super().to_pandas(\nearthkit/data/sources/file.py:105: def to_pandas(self, **kwargs):\nearthkit/data/sources/file.py:106: LOG.debug(\"Calling reader.to_pandas %s\", self)\nearthkit/data/sources/file.py:107: return self._reader.to_pandas(**kwargs)\nearthkit/data/wrappers/xarray.py:71: def to_pandas(self, *args, **kwargs):\n",
"stderr": "",
"exit_code": 0
}Turn 2at 54 s256 tokens out3,814 prompt tokens
Okay, so `to_pandas` is implemented in several places.
The user example uses `earthkit.data.from_source("file", "synop.bufr")`, which likely uses `earthkit.data.sources.file.FileSource` (guessing the class name based on `earthkit/data/sources/file.py`).
In `earthkit/data/sources/file.py`:
```python
def to_pandas(self, **kwargs):
LOG.debug("Calling reader.to_pandas %s", self)
return self._reader.to_pandas(**kwargs)
```
It delegates to `self._reader.to_pandas(**kwargs)`.
Now I need to find where the reader is defined and how it calls `pdbufr`.
Let's see where `_reader` is instantiated in `earthkit/data/sources/file.py` or where the reader for BUFR is defined.
I'll search for "bufr" in `earthkit/data`.
TOOL CALL · run_command
{
"command": "grep -rn --include=\"*.py\" \"bufr\" earthkit/data"
}Result of run_command 1,145 characters
{
"status": "ok",
"stdout": "earthkit/data/readers/bufr.py:11:# https://github.com/ecmwf/pdbufr\nearthkit/data/readers/bufr.py:20: \"c\": \"bufrHeaderCentre\",\nearthkit/data/readers/bufr.py:41: \"\"\"Extracts BUFR data into an pandas DataFranme using :xref:`pdbufr`.\nearthkit/data/readers/bufr.py:47: See: :xref:`read_bufr` for details.\nearthkit/data/readers/bufr.py:50: :xref:`read_bufr` for details.\nearthkit/data/readers/bufr.py:60: :ref:`/examples/bufr.ipynb`\nearthkit/data/readers/bufr.py:63: import pdbufr\nearthkit/data/readers/bufr.py:65: return pdbufr.read_bufr(self.path, columns=columns, filters=filters)\nearthkit/data/readers/bufr.py:76: from pdbufr.high_level_bufr.bufr import BufrFile\nearthkit/data/readers/__init__.py:115:def _find_reader(method_name, source, path_or_bufr_or_stream, magic):\nearthkit/data/readers/__init__.py:124: reader = r(source, path_or_bufr_or_stream, magic, deeper_check)\nearthkit/data/readers/__init__.py:131: source, path_or_bufr_or_stream if method_name == \"reader\" else \"\", magic\n",
"stderr": "",
"exit_code": 0
}Turn 3at 61 s71 tokens out4,512 prompt tokens
Okay, it seems `earthkit/data/readers/bufr.py` is the one calling `pdbufr`. Let's read `earthkit/data/readers/bufr.py`.
TOOL CALL · read_file
{
"filepath": "earthkit/data/readers/bufr.py"
}Result of read_file 3,392 characters
{
"status": "ok",
"filepath": "earthkit/data/readers/bufr.py",
"content": "# (C) Copyright 2020 ECMWF.\n#\n# This software is licensed under the terms of the Apache Licence Version 2.0\n# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.\n# In applying this licence, ECMWF does not waive the privileges and immunities\n# granted to it by virtue of its status as an intergovernmental organisation\n# nor does it submit to any jurisdiction.\n#\n\n# See:\n# https://github.com/ecmwf/pdbufr\nfrom . import Reader\n\nCOLUMNS = (\"latitude\", \"longitude\", \"data_datetime\")\n\nBUFR_LS_KEYS = {\n \"edition\": \"edition\",\n \"type\": \"dataCategory\",\n \"subtype\": \"dataSubCategory\",\n \"c\": \"bufrHeaderCentre\",\n \"mv\": \"masterTablesVersionNumber\",\n \"lv\": \"localTablesVersionNumber\",\n \"subsets\": \"numberOfSubsets\",\n \"compr\": \"compressedData\",\n \"typicalDate\": \"typicalDate\",\n \"typicalTime\": \"typicalTime\",\n \"ident\": \"ident\",\n \"lat\": \"localLatitude\",\n \"lon\": \"localLongitude\",\n}\n\n\nclass BUFRReader(Reader):\n \"\"\"Represents a BUFR file\"\"\"\n\n def __init__(self, source, path):\n super().__init__(source, path)\n self._num = None\n\n def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):\n \"\"\"Extracts BUFR data into an pandas DataFranme using :xref:`pdbufr`.\n\n Parameters\n ----------\n columns: str, sequence[str]\n List of ecCodes BUFR keys to extract for each BUFR message/subset.\n See: :xref:`read_bufr` for details.\n filters: dict\n Defines the conditions when to extract the specified ``columns``. See:\n :xref:`read_bufr` for details.\n **kwargs: dict, optional\n Other keyword arguments:\n\n Returns\n -------\n Pandas DataFrame\n\n Examples\n --------\n :ref:`/examples/bufr.ipynb`\n\n \"\"\"\n import pdbufr\n\n return pdbufr.read_bufr(self.path, columns=columns, filters=filters)\n\n def __len__(self):\n if self._num is None:\n import eccodes\n\n with open(self.path, \"rb\") as f:\n self._num = eccodes.codes_count_in_file(f)\n return self._num\n\n def ls(self, *args, **kwargs):\n from pdbufr.high_level_bufr.bufr import BufrFile\n\n from earthkit.data.utils.summary import ls\n\n b = BufrFile(self.path)\n\n def _proc(keys, n):\n count_start = 0\n if n is None:\n count_end = len(self)\n elif n > 0:\n count_end = n\n else:\n num = len(self)\n count_start = max(0, num + n)\n count_end = num\n\n for count, msg in enumerate(b):\n with msg:\n if count_start <= count < count_end:\n yield ({k: msg[k1] for k, k1 in keys.items()})\n elif count >= count_end:\n break\n\n return ls(_proc, BUFR_LS_KEYS, *args, **kwargs)\n\n\ndef reader(source, path, magic=None, deeper_check=False):\n if magic is None or magic[:4] == b\"BUFR\":\n return BUFRReader(source, path)",
"start_line": 1,
"end_line": 105,
"total_lines": 105,
"is_truncated": false
}Turn 4at 106 s467 tokens out5,612 prompt tokens
The bug is here:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
"""Extracts BUFR data into an pandas DataFranme using :xref:`pdbufr`.
...
"""
import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
If `filters` is `None` (the default), it is passed as `None` to `pdbufr.read_bufr`.
The error message says:
```
File "git/pdbufr/pdbufr/bufr_structure.py", line 616, in stream_bufr
filters = dict(filters)
TypeError: 'NoneType' object is not iterable
```
`pdbufr.read_bufr` calls `stream_bufr` which tries to call `dict(filters)`. Since `filters` is `None`, it fails.
To fix this, I should ensure that `filters` is at least an empty dictionary if it's `None`.
Let's verify if I can reproduce this. I don't have a `synop.bufr` file, but I can mock the `pdbufr` library or create a small test case if I can find a BUFR file in the tests.
Wait, the problem says "Running this code: ... results in the following error".
I can try to create a reproduction script that mocks `pdbufr.read_bufr` to simulate the behavior of `pdbufr` and verify that `filters` is passed as `None`. But that doesn't prove the bug in `pdbufr` (which is in a dependency) or the fix in `earthkit-data`.
The goal is to fix `earthkit-data` so it doesn't pass `None` to `pdbufr` when it should be a dict.
Let's check if there are any existing tests for BUFR reader.
TOOL CALL · run_command
{
"command": "grep -rn \"BUFRReader\" tests/"
}Result of run_command 127 characters
{
"status": "error",
"error_type": "CommandError",
"error_message": "",
"details": {
"stdout": "",
"stderr": "",
"exit_code": 1
}
}Turn 5at 112 s52 tokens out6,134 prompt tokens
No tests for `BUFRReader` in `tests/`? That's surprising. Let me check `tests` directory again.
TOOL CALL · run_command
{
"command": "find tests -name \"*bufr*\""
}Result of run_command 105 characters
{
"status": "ok",
"stdout": "tests/bufr\ntests/bufr/test_bufr_summary.py\n",
"stderr": "",
"exit_code": 0
}Turn 6at 117 s66 tokens out6,245 prompt tokens
Ah, `tests/bufr/test_bufr_summary.py`. Let's see if it tests `to_pandas`.
TOOL CALL · run_command
{
"command": "grep -n \"to_pandas\" tests/bufr/test_bufr_summary.py"
}Result of run_command 127 characters
{
"status": "error",
"error_type": "CommandError",
"error_message": "",
"details": {
"stdout": "",
"stderr": "",
"exit_code": 1
}
}Turn 7at 138 s224 tokens out6,366 prompt tokens
No `to_pandas` in `tests/bufr/test_bufr_summary.py`. I'll create a reproduction script that mocks `pdbufr` to see what `filters` is being passed.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nimport sys\nfrom unittest.mock import MagicMock\n\n# Mock pdbufr\nmock_pdbufr = MagicMock()\nsys.modules['pdbufr'] = mock_pdbufr\n\nfrom earthkit.data.readers.bufr import BUFRReader\n\nreader = BUFRReader(None, \"dummy.bufr\")\nreader.to_pandas(columns=[\"lat\", \"lon\"])\n\n# Check what was called\nargs, kwargs = mock_pdbufr.read_bufr.call_args\nprint(f\"Arguments: {args}\")\nprint(f\"Kwargs: {kwargs}\")\nassert kwargs['filters'] is None\nprint(\"Reproduction successful: filters is None\")\nPY\n"
}Result of run_command 1,089 characters
{
"status": "error",
"error_type": "CommandError",
"error_message": "Traceback (most recent call last):\n File \"<stdin>\", line 10, in <module>\n File \"/workspace/earthkit/data/core/__init__.py\", line 21, in __call__\n obj.__init__(*args, **kwargs)\n File \"/workspace/earthkit/data/readers/bufr.py\", line 37, in __init__\n super().__init__(source, path)\n File \"/workspace/earthkit/data/readers/__init__.py\", line 32, in __init__\n self._source = weakref.ref(source)\nTypeError: cannot create weak reference to 'NoneType' object\n",
"details": {
"stdout": "",
"stderr": "Traceback (most recent call last):\n File \"<stdin>\", line 10, in <module>\n File \"/workspace/earthkit/data/core/__init__.py\", line 21, in __call__\n obj.__init__(*args, **kwargs)\n File \"/workspace/earthkit/data/readers/bufr.py\", line 37, in __init__\n super().__init__(source, path)\n File \"/workspace/earthkit/data/readers/__init__.py\", line 32, in __init__\n self._source = weakref.ref(source)\nTypeError: cannot create weak reference to 'NoneType' object\n",
"exit_code": 1
}
}Turn 8at 149 s249 tokens out6,967 prompt tokens
Ah, `super().__init__(source, path)` in `BUFRReader` calls `Reader.__init__` which does `self._source = weakref.ref(source)`. I passed `None` as source. Let's fix the reproduction script to pass a dummy object as source.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nimport sys\nfrom unittest.mock import MagicMock\n\n# Mock pdbufr\nmock_pdbufr = MagicMock()\nsys.modules['pdbufr'] = mock_pdbufr\n\nfrom earthkit.data.readers.bufr import BUFRReader\n\nclass DummySource:\n pass\n\nreader = BUFRReader(DummySource(), \"dummy.bufr\")\nreader.to_pandas(columns=[\"lat\", \"lon\"])\n\n# Check what was called\nargs, kwargs = mock_pdbufr.read_bufr.call_args\nprint(f\"Arguments: {args}\")\nprint(f\"Kwargs: {kwargs}\")\nassert kwargs['filters'] is None\nprint(\"Reproduction successful: filters is None\")\nPY\n"
}Result of run_command 184 characters
{
"status": "ok",
"stdout": "Arguments: ('dummy.bufr',)\nKwargs: {'columns': ['lat', 'lon'], 'filters': None}\nReproduction successful: filters is None\n",
"stderr": "",
"exit_code": 0
}Turn 9at 206 s1,053 tokens out7,291 prompt tokens
Perfect. The reproduction script confirms that `filters=None` is passed to `pdbufr.read_bufr`.
According to the problem report:
`filters` must be specified. E.g. `r = ds.to_pandas(columns=["latitude", "longitude"], filters={})`
So the fix is to change `filters=None` to `filters={}` in the `to_pandas` method signature or handle it inside the method.
Wait, if the user explicitly passes `filters=None`, we still want to pass `{}` to `pdbufr.read_bufr`.
Let's look at `earthkit/data/readers/bufr.py` again.
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
"""Extracts BUFR data into an pandas DataFranme using :xref:`pdbufr`.
...
"""
import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
If I change `filters=None` to `filters={}` in the signature, it might be okay, but if the user calls `to_pandas(filters=None)`, it will still pass `None`.
Better to do:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
# ...
if filters is None:
filters = {}
import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
Let's check if `pdbufr.read_bufr` accepts other arguments in `kwargs` that it might need. The current implementation just passes `columns` and `filters`. `**kwargs` is collected but not used.
Wait, the current implementation is:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
# ...
import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
It doesn't pass `**kwargs` to `pdbufr.read_bufr`.
Let's see if I should also pass `**kwargs` to `pdbufr.read_bufr`.
The docstring says:
```python
**kwargs: dict, optional
Other keyword arguments:
```
But it's not used. If `pdbufr.read_bufr` takes other arguments, they should be passed.
However, the immediate bug is `filters=None`.
Let's implement the fix.
TOOL CALL · edit_file
{
"filepath": "earthkit/data/readers/bufr.py",
"new_string": " def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):\n \"\"\"Extracts BUFR data into an pandas DataFranme using :xref:`pdbufr`.\n\n Parameters\n ----------\n columns: str, sequence[str]\n List of ecCodes BUFR keys to extract for each BUFR message/subset.\n See: :xref:`read_bufr` for details.\n filters: dict\n Defines the conditions when to extract the specified ``columns``. See:\n :xref:`read_bufr` for details.\n **kwargs: dict, optional\n Other keyword arguments:\n\n Returns\n -------\n Pandas DataFrame\n\n Examples\n --------\n :ref:`/examples/bufr.ipynb`\n\n \"\"\"\n import pdbufr\n\n if filters is None:\n filters = {}\n\n return pdbufr.read_bufr(self.path, columns=columns, filters=filters, **kwargs)",
"old_string": " def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):\n \"\"\"Extracts BUFR data into an pandas DataFranme using :xref:`pdbufr`.\n\n Parameters\n ----------\n columns: str, sequence[str]\n List of ecCodes BUFR keys to extract for each BUFR message/subset.\n See: :xref:`read_bufr` for details.\n filters: dict\n Defines the conditions when to extract the specified ``columns``. See:\n :xref:`read_bufr` for details.\n **kwargs: dict, optional\n Other keyword arguments:\n\n Returns\n -------\n Pandas DataFrame\n\n Examples\n --------\n :ref:`/examples/bufr.ipynb`\n\n \"\"\"\n import pdbufr\n\n return pdbufr.read_bufr(self.path, columns=columns, filters=filters)"
}Result of edit_file 561 characters
{
"status": "ok",
"filepath": "earthkit/data/readers/bufr.py",
"occurrences": 1,
"strategy": "exact",
"diff": "--- a/earthkit/data/readers/bufr.py\n+++ b/earthkit/data/readers/bufr.py\n@@ -62,7 +62,10 @@\n \"\"\"\n import pdbufr\n \n- return pdbufr.read_bufr(self.path, columns=columns, filters=filters)\n+ if filters is None:\n+ filters = {}\n+\n+ return pdbufr.read_bufr(self.path, columns=columns, filters=filters, **kwargs)\n \n def __len__(self):\n if self._num is None:\n",
"is_truncated": false
}Turn 10at 228 s473 tokens out8,555 prompt tokens
I also added `**kwargs` to `pdbufr.read_bufr`. This seems correct given that they are documented in the docstring. Now let's verify the fix with the reproduction script.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nimport sys\nfrom unittest.mock import MagicMock\n\n# Mock pdbufr\nmock_pdbufr = MagicMock()\nsys.modules['pdbufr'] = mock_pdbufr\n\nfrom earthkit.data.readers.bufr import BUFRReader\n\nclass DummySource:\n pass\n\n# Test 1: Default filters (None)\nreader = BUFRReader(DummySource(), \"dummy.bufr\")\nreader.to_pandas(columns=[\"lat\", \"lon\"])\n\nargs, kwargs = mock_pdbufr.read_bufr.call_args\nprint(f\"Test 1 Kwargs: {kwargs}\")\nassert kwargs['filters'] == {}\nprint(\"Test 1 successful\")\n\n# Test 2: Explicitly passing None for filters\nreader.to_pandas(columns=[\"lat\", \"lon\"], filters=None)\nargs, kwargs = mock_pdbufr.read_bufr.call_args\nprint(f\"Test 2 Kwargs: {kwargs}\")\nassert kwargs['filters'] == {}\nprint(\"Test 2 successful\")\n\n# Test 3: Passing specific filters\nreader.to_pandas(columns=[\"lat\", \"lon\"], filters={\"key\": \"value\"})\nargs, kwargs = mock_pdbufr.read_bufr.call_args\nprint(f\"Test 3 Kwargs: {kwargs}\")\nassert kwargs['filters'] == {\"key\": \"value\"}\nprint(\"Test 3 successful\")\n\n# Test 4: Passing extra kwargs\nreader.to_pandas(columns=[\"lat\", \"lon\"], extra_arg=\"extra_value\")\nargs, kwargs = mock_pdbufr.read_bufr.call_args\nprint(f\"Test 4 Kwargs: {kwargs}\")\nassert kwargs['extra_arg'] == \"extra_value\"\nprint(\"Test 4 successful\")\nPY\n"
}Result of run_command 414 characters
{
"status": "ok",
"stdout": "Test 1 Kwargs: {'columns': ['lat', 'lon'], 'filters': {}}\nTest 1 successful\nTest 2 Kwargs: {'columns': ['lat', 'lon'], 'filters': {}}\nTest 2 successful\nTest 3 Kwargs: {'columns': ['lat', 'lon'], 'filters': {'key': 'value'}}\nTest 3 successful\nTest 4 Kwargs: {'columns': ['lat', 'lon'], 'filters': {}, 'extra_arg': 'extra_value'}\nTest 4 successful\n",
"stderr": "",
"exit_code": 0
}Turn 11at 239 s146 tokens out9,190 prompt tokens
The fix works as expected. It handles `filters=None` by converting it to `{}` and it now correctly passes `**kwargs` to `pdbufr.read_bufr`.
I'll double check if any other readers need similar fixes. I searched for `to_pandas` earlier.
`earthkit/data/sources/file.py` delegates to `self._reader.to_pandas(**kwargs)`.
`earthkit/data/readers/bufr.py` is the reader for BUFR.
Let's see if there are other readers.
TOOL CALL · run_command
{
"command": "ls earthkit/data/readers/"
}Result of run_command 188 characters
{
"status": "ok",
"stdout": "__init__.py\narchive.py\nbufr.py\ncsv.py\ndirectory.py\ngrib\nnetcdf.py\nnumpy.py\nodb.py\ntar.py\ntext.py\nunknown.py\nzip.py\n",
"stderr": "",
"exit_code": 0
}Turn 12at 246 s124 tokens out9,439 prompt tokens
I should check if other readers' `to_pandas` methods have similar issues. Actually, most of them probably don't call a library that has this specific `NoneType` requirement for `filters`. But let's just check a few. `netcdf.py`, `numpy.py`, `odb.py`, etc. Let's search for `to_pandas` across `earthkit/data/readers/`.
TOOL CALL · run_command
{
"command": "grep -rn \"def to_pandas\" earthkit/data/readers/"
}Result of run_command 528 characters
{
"status": "ok",
"stdout": "earthkit/data/readers/bufr.py:40: def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):\nearthkit/data/readers/grib/pandas.py:16: def to_pandas(self, latitude=None, longitude=None, **kwargs):\nearthkit/data/readers/netcdf.py:191: def to_pandas(self):\nearthkit/data/readers/netcdf.py:377: def to_pandas(self):\nearthkit/data/readers/odb.py:18: def to_pandas(self, **kwargs):\nearthkit/data/readers/csv.py:135: def to_pandas(self, **kwargs):\n",
"stderr": "",
"exit_code": 0
}Turn 13at 251 s85 tokens out9,777 prompt tokens
Only `BUFRReader.to_pandas` had the `filters` argument. Others seem different. Let's double check `earthkit/data/readers/grib/pandas.py`.
TOOL CALL · read_file
{
"end_line": 40,
"filepath": "earthkit/data/readers/grib/pandas.py",
"start_line": 10
}Result of read_file 1,114 characters
{
"status": "ok",
"filepath": "earthkit/data/readers/grib/pandas.py",
"content": "import logging\n\nLOG = logging.getLogger(__name__)\n\n\nclass PandasMixIn:\n def to_pandas(self, latitude=None, longitude=None, **kwargs):\n import numpy as np\n import pandas as pd\n\n def ident(x):\n return x\n\n filter = ident\n\n def select_point(d):\n idx = np.where((d[\"lat\"] == latitude) & (d[\"lon\"] == longitude))\n return dict(lat=d[\"lat\"][idx], lon=d[\"lon\"][idx], value=d[\"value\"][idx])\n\n if latitude is not None or longitude is not None:\n filter = select_point\n\n columns = (\"lat\", \"lon\", \"value\")\n frames = []\n for s in self:\n df = pd.DataFrame.from_dict(\n filter(dict(zip(columns, s.data(columns, flatten=True))))\n )\n df[\"datetime\"] = s.datetime()[\"valid_time\"]\n for k, v in s.metadata(namespace=\"mars\").items():\n df[k] = v",
"start_line": 10,
"end_line": 40,
"total_lines": 42,
"is_truncated": false
}Turn 14at 255 s56 tokens out10,227 prompt tokens
That one is different. I'm confident in the fix for `bufr.py`. Final check of the diff and no untracked files.
TOOL CALL · run_command
{
"command": "git status --short && git diff"
}Result of run_command 653 characters
{
"status": "ok",
"stdout": " M earthkit/data/readers/bufr.py\ndiff --git a/earthkit/data/readers/bufr.py b/earthkit/data/readers/bufr.py\nindex 59c7672..bbf2808 100644\n--- a/earthkit/data/readers/bufr.py\n+++ b/earthkit/data/readers/bufr.py\n@@ -62,7 +62,10 @@ class BUFRReader(Reader):\n \"\"\"\n import pdbufr\n \n- return pdbufr.read_bufr(self.path, columns=columns, filters=filters)\n+ if filters is None:\n+ filters = {}\n+\n+ return pdbufr.read_bufr(self.path, columns=columns, filters=filters, **kwargs)\n \n def __len__(self):\n if self._num is None:\n",
"stderr": "",
"exit_code": 0
}Turn 15at 256 s22 tokens out10,546 prompt tokens
Everything looks clean. I'll submit the patch.
TOOL CALL · submit_patch
Result of submit_patch 55 characters
{
"status": "ok",
"patch_size": 540,
"files_changed": 1
}Turn 16at 268 s184 tokens out10,607 prompt tokens
The fix has been applied. The issue was that `pdbufr.read_bufr` does not handle `filters=None` gracefully, while `earthkit-data` was passing it as a default. I have updated `BUFRReader.to_pandas` to use an empty dictionary if `filters` is `None` and also passed any additional `**kwargs` to the underlying `pdbufr.read_bufr` call.
Turn 17at 268 s
The `to_pandas` method in `BUFRReader` was passing `filters=None` to `pdbufr.read_bufr` by default, which caused a `TypeError` in the `pdbufr` library. I have updated the method to ensure `filters` is an empty dictionary if not provided and also passed `**kwargs` to `pdbufr.read_bufr` for improved consistency.
Model calls (not matched to turns)
Generated tokens 346 tokens · stopped: STOP
The user is reporting a `TypeError: 'NoneType' object is not iterable` when calling `to_pandas()` on a BUFR dataset without providing the `filters` argument.
The error occurs in `git/pdbufr/pdbufr/bufr_structure.py`, line 616, in `stream_bufr`.
Wait, the error message mentions `git/pdbufr/pdbufr/bufr_structure.py`. This sounds like it's in a dependency (`pdbufr`). But I should check if `pdbufr` is part of the workspace or an external dependency.
The workspace layout shows `earthkit/data`.
Let's check if `pdbufr` is in the workspace.
Looking at the provided workspace layout, I don't see `pdbufr`. This might be a dependency installed in the environment.
However, the problem statement says:
```python
ds = earthkit.data.from_source("file", "synop.bufr")
r = ds.to_pandas(columns=["latitude", "longitude"])
```
And the error is in `pdbufr`.
If `earthkit.data` calls `pdbufr`, it might be passing `filters=None` when `pdbufr` expects an iterable (like a dict).
Let's search for `to_pandas` in `earthkit/data`.<|channel>thought
The user is reporting a `TypeError: 'NoneType' object is not iterable` when calling `to_pandas()` on a BUFR dataset without providing the `filters` argument.
The error occurs in `git/pdbufr/pdbufr/bufr_structure.py`, line 616, in `stream_bufr`.
Wait, the error message mentions `git/pdbufr/pdbufr/bufr_structure.py`. This sounds like it's in a dependency (`pdbufr`). But I should check if `pdbufr` is part of the workspace or an external dependency.
The workspace layout shows `earthkit/data`.
Let's check if `pdbufr` is in the workspace.
Looking at the provided workspace layout, I don't see `pdbufr`. This might be a dependency installed in the environment.
However, the problem statement says:
```python
ds = earthkit.data.from_source("file", "synop.bufr")
r = ds.to_pandas(columns=["latitude", "longitude"])
```
And the error is in `pdbufr`.
If `earthkit.data` calls `pdbufr`, it might be passing `filters=None` when `pdbufr` expects an iterable (like a dict).
Let's search for `to_pandas` in `earthkit/data`.<channel|><|tool_call>call:run_command{command:<|"|>grep -rn --include="*.py" "to_pandas" earthkit/data | head -n 20<|"|>}<tool_call|><|tool_response>
Generated tokens 256 tokens · stopped: STOP
Okay, so `to_pandas` is implemented in several places.
The user example uses `earthkit.data.from_source("file", "synop.bufr")`, which likely uses `earthkit.data.sources.file.FileSource` (guessing the class name based on `earthkit/data/sources/file.py`).
In `earthkit/data/sources/file.py`:
```python
def to_pandas(self, **kwargs):
LOG.debug("Calling reader.to_pandas %s", self)
return self._reader.to_pandas(**kwargs)
```
It delegates to `self._reader.to_pandas(**kwargs)`.
Now I need to find where the reader is defined and how it calls `pdbufr`.
Let's see where `_reader` is instantiated in `earthkit/data/sources/file.py` or where the reader for BUFR is defined.
I'll search for "bufr" in `earthkit/data`.
Okay, so `to_pandas` is implemented in several places.
The user example uses `earthkit.data.from_source("file", "synop.bufr")`, which likely uses `earthkit.data.sources.file.FileSource` (guessing the class name based on `earthkit/data/sources/file.py`).
In `earthkit/data/sources/file.py`:
```python
def to_pandas(self, **kwargs):
LOG.debug("Calling reader.to_pandas %s", self)
return self._reader.to_pandas(**kwargs)
```
It delegates to `self._reader.to_pandas(**kwargs)`.
Now I need to find where the reader is defined and how it calls `pdbufr`.
Let's see where `_reader` is instantiated in `earthkit/data/sources/file.py` or where the reader for BUFR is defined.
I'll search for "bufr" in `earthkit/data`.
<channel|><|tool_call>call:run_command{command:<|"|>grep -rn --include="*.py" "bufr" earthkit/data<|"|>}<tool_call|><|tool_response>
Generated tokens 71 tokens · stopped: STOP
Okay, it seems `earthkit/data/readers/bufr.py` is the one calling `pdbufr`. Let's read `earthkit/data/readers/bufr.py`.
Okay, it seems `earthkit/data/readers/bufr.py` is the one calling `pdbufr`.
Let's read `earthkit/data/readers/bufr.py`.
<channel|><|tool_call>call:read_file{filepath:<|"|>earthkit/data/readers/bufr.py<|"|>}<tool_call|><|tool_response>
Generated tokens 467 tokens · stopped: STOP
The bug is here:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
"""Extracts BUFR data into an pandas DataFranme using :xref:`pdbufr`.
...
"""
import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
If `filters` is `None` (the default), it is passed as `None` to `pdbufr.read_bufr`.
The error message says:
```
File "git/pdbufr/pdbufr/bufr_structure.py", line 616, in stream_bufr
filters = dict(filters)
TypeError: 'NoneType' object is not iterable
```
`pdbufr.read_bufr` calls `stream_bufr` which tries to call `dict(filters)`. Since `filters` is `None`, it fails.
To fix this, I should ensure that `filters` is at least an empty dictionary if it's `None`.
Let's verify if I can reproduce this. I don't have a `synop.bufr` file, but I can mock the `pdbufr` library or create a small test case if I can find a BUFR file in the tests.
Wait, the problem says "Running this code: ... results in the following error".
I can try to create a reproduction script that mocks `pdbufr.read_bufr` to simulate the behavior of `pdbufr` and verify that `filters` is passed as `None`. But that doesn't prove the bug in `pdbufr` (which is in a dependency) or the fix in `earthkit-data`.
The goal is to fix `earthkit-data` so it doesn't pass `None` to `pdbufr` when it should be a dict.
Let's check if there are any existing tests for BUFR reader.
The bug is here:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
"""Extracts BUFR data into an pandas DataFranme using :xref:`pdbufr`.
...
"""
import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
If `filters` is `None` (the default), it is passed as `None` to `pdbufr.read_bufr`.
The error message says:
```
File "git/pdbufr/pdbufr/bufr_structure.py", line 616, in stream_bufr
filters = dict(filters)
TypeError: 'NoneType' object is not iterable
```
`pdbufr.read_bufr` calls `stream_bufr` which tries to call `dict(filters)`. Since `filters` is `None`, it fails.
To fix this, I should ensure that `filters` is at least an empty dictionary if it's `None`.
Let's verify if I can reproduce this. I don't have a `synop.bufr` file, but I can mock the `pdbufr` library or create a small test case if I can find a BUFR file in the tests.
Wait, the problem says "Running this code: ... results in the following error".
I can try to create a reproduction script that mocks `pdbufr.read_bufr` to simulate the behavior of `pdbufr` and verify that `filters` is passed as `None`. But that doesn't prove the bug in `pdbufr` (which is in a dependency) or the fix in `earthkit-data`.
The goal is to fix `earthkit-data` so it doesn't pass `None` to `pdbufr` when it should be a dict.
Let's check if there are any existing tests for BUFR reader.
<channel|><|tool_call>call:run_command{command:<|"|>grep -rn "BUFRReader" tests/<|"|>}<tool_call|><|tool_response>
Generated tokens 52 tokens · stopped: STOP
No tests for `BUFRReader` in `tests/`? That's surprising. Let me check `tests` directory again.
No tests for `BUFRReader` in `tests/`? That's surprising. Let me check `tests` directory again.
<channel|><|tool_call>call:run_command{command:<|"|>find tests -name "*bufr*"<|"|>}<tool_call|><|tool_response>
Generated tokens 66 tokens · stopped: STOP
Ah, `tests/bufr/test_bufr_summary.py`. Let's see if it tests `to_pandas`.
Ah, `tests/bufr/test_bufr_summary.py`. Let's see if it tests `to_pandas`.
<channel|><|tool_call>call:run_command{command:<|"|>grep -n "to_pandas" tests/bufr/test_bufr_summary.py<|"|>}<tool_call|><|tool_response>
Generated tokens 224 tokens · stopped: STOP
No `to_pandas` in `tests/bufr/test_bufr_summary.py`. I'll create a reproduction script that mocks `pdbufr` to see what `filters` is being passed.
No `to_pandas` in `tests/bufr/test_bufr_summary.py`.
I'll create a reproduction script that mocks `pdbufr` to see what `filters` is being passed.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
import sys
from unittest.mock import MagicMock
# Mock pdbufr
mock_pdbufr = MagicMock()
sys.modules['pdbufr'] = mock_pdbufr
from earthkit.data.readers.bufr import BUFRReader
reader = BUFRReader(None, "dummy.bufr")
reader.to_pandas(columns=["lat", "lon"])
# Check what was called
args, kwargs = mock_pdbufr.read_bufr.call_args
print(f"Arguments: {args}")
print(f"Kwargs: {kwargs}")
assert kwargs['filters'] is None
print("Reproduction successful: filters is None")
PY
<|"|>}<tool_call|><|tool_response>
Generated tokens 249 tokens · stopped: STOP
Ah, `super().__init__(source, path)` in `BUFRReader` calls `Reader.__init__` which does `self._source = weakref.ref(source)`. I passed `None` as source. Let's fix the reproduction script to pass a dummy object as source.
Ah, `super().__init__(source, path)` in `BUFRReader` calls `Reader.__init__` which does `self._source = weakref.ref(source)`. I passed `None` as source.
Let's fix the reproduction script to pass a dummy object as source.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
import sys
from unittest.mock import MagicMock
# Mock pdbufr
mock_pdbufr = MagicMock()
sys.modules['pdbufr'] = mock_pdbufr
from earthkit.data.readers.bufr import BUFRReader
class DummySource:
pass
reader = BUFRReader(DummySource(), "dummy.bufr")
reader.to_pandas(columns=["lat", "lon"])
# Check what was called
args, kwargs = mock_pdbufr.read_bufr.call_args
print(f"Arguments: {args}")
print(f"Kwargs: {kwargs}")
assert kwargs['filters'] is None
print("Reproduction successful: filters is None")
PY
<|"|>}<tool_call|><|tool_response>
Generated tokens 1,053 tokens · stopped: STOP
Perfect. The reproduction script confirms that `filters=None` is passed to `pdbufr.read_bufr`.
According to the problem report:
`filters` must be specified. E.g. `r = ds.to_pandas(columns=["latitude", "longitude"], filters={})`
So the fix is to change `filters=None` to `filters={}` in the `to_pandas` method signature or handle it inside the method.
Wait, if the user explicitly passes `filters=None`, we still want to pass `{}` to `pdbufr.read_bufr`.
Let's look at `earthkit/data/readers/bufr.py` again.
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
"""Extracts BUFR data into an pandas DataFranme using :xref:`pdbufr`.
...
"""
import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
If I change `filters=None` to `filters={}` in the signature, it might be okay, but if the user calls `to_pandas(filters=None)`, it will still pass `None`.
Better to do:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
# ...
if filters is None:
filters = {}
import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
Let's check if `pdbufr.read_bufr` accepts other arguments in `kwargs` that it might need. The current implementation just passes `columns` and `filters`. `**kwargs` is collected but not used.
Wait, the current implementation is:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
# ...
import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
It doesn't pass `**kwargs` to `pdbufr.read_bufr`.
Let's see if I should also pass `**kwargs` to `pdbufr.read_bufr`.
The docstring says:
```python
**kwargs: dict, optional
Other keyword arguments:
```
But it's not used. If `pdbufr.read_bufr` takes other arguments, they should be passed.
However, the immediate bug is `filters=None`.
Let's implement the fix.
Perfect. The reproduction script confirms that `filters=None` is passed to `pdbufr.read_bufr`.
According to the problem report:
`filters` must be specified. E.g. `r = ds.to_pandas(columns=["latitude", "longitude"], filters={})`
So the fix is to change `filters=None` to `filters={}` in the `to_pandas` method signature or handle it inside the method.
Wait, if the user explicitly passes `filters=None`, we still want to pass `{}` to `pdbufr.read_bufr`.
Let's look at `earthkit/data/readers/bufr.py` again.
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
"""Extracts BUFR data into an pandas DataFranme using :xref:`pdbufr`.
...
"""
import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
If I change `filters=None` to `filters={}` in the signature, it might be okay, but if the user calls `to_pandas(filters=None)`, it will still pass `None`.
Better to do:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
# ...
if filters is None:
filters = {}
import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
Let's check if `pdbufr.read_bufr` accepts other arguments in `kwargs` that it might need. The current implementation just passes `columns` and `filters`. `**kwargs` is collected but not used.
Wait, the current implementation is:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
# ...
import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
It doesn't pass `**kwargs` to `pdbufr.read_bufr`.
Let's see if I should also pass `**kwargs` to `pdbufr.read_bufr`.
The docstring says:
```python
**kwargs: dict, optional
Other keyword arguments:
```
But it's not used. If `pdbufr.read_bufr` takes other arguments, they should be passed.
However, the immediate bug is `filters=None`.
Let's implement the fix.
<channel|><|tool_call>call:edit_file{filepath:<|"|>earthkit/data/readers/bufr.py<|"|>,new_string:<|"|> def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
"""Extracts BUFR data into an pandas DataFranme using :xref:`pdbufr`.
Parameters
----------
columns: str, sequence[str]
List of ecCodes BUFR keys to extract for each BUFR message/subset.
See: :xref:`read_bufr` for details.
filters: dict
Defines the conditions when to extract the specified ``columns``. See:
:xref:`read_bufr` for details.
**kwargs: dict, optional
Other keyword arguments:
Returns
-------
Pandas DataFrame
Examples
--------
:ref:`/examples/bufr.ipynb`
"""
import pdbufr
if filters is None:
filters = {}
return pdbufr.read_bufr(self.path, columns=columns, filters=filters, **kwargs)<|"|>,old_string:<|"|> def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
"""Extracts BUFR data into an pandas DataFranme using :xref:`pdbufr`.
Parameters
----------
columns: str, sequence[str]
List of ecCodes BUFR keys to extract for each BUFR message/subset.
See: :xref:`read_bufr` for details.
filters: dict
Defines the conditions when to extract the specified ``columns``. See:
:xref:`read_bufr` for details.
**kwargs: dict, optional
Other keyword arguments:
Returns
-------
Pandas DataFrame
Examples
--------
:ref:`/examples/bufr.ipynb`
"""
import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)<|"|>}<tool_call|><|tool_response>
Generated tokens 473 tokens · stopped: STOP
I also added `**kwargs` to `pdbufr.read_bufr`. This seems correct given that they are documented in the docstring. Now let's verify the fix with the reproduction script.
I also added `**kwargs` to `pdbufr.read_bufr`. This seems correct given that they are documented in the docstring.
Now let's verify the fix with the reproduction script.<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
import sys
from unittest.mock import MagicMock
# Mock pdbufr
mock_pdbufr = MagicMock()
sys.modules['pdbufr'] = mock_pdbufr
from earthkit.data.readers.bufr import BUFRReader
class DummySource:
pass
# Test 1: Default filters (None)
reader = BUFRReader(DummySource(), "dummy.bufr")
reader.to_pandas(columns=["lat", "lon"])
args, kwargs = mock_pdbufr.read_bufr.call_args
print(f"Test 1 Kwargs: {kwargs}")
assert kwargs['filters'] == {}
print("Test 1 successful")
# Test 2: Explicitly passing None for filters
reader.to_pandas(columns=["lat", "lon"], filters=None)
args, kwargs = mock_pdbufr.read_bufr.call_args
print(f"Test 2 Kwargs: {kwargs}")
assert kwargs['filters'] == {}
print("Test 2 successful")
# Test 3: Passing specific filters
reader.to_pandas(columns=["lat", "lon"], filters={"key": "value"})
args, kwargs = mock_pdbufr.read_bufr.call_args
print(f"Test 3 Kwargs: {kwargs}")
assert kwargs['filters'] == {"key": "value"}
print("Test 3 successful")
# Test 4: Passing extra kwargs
reader.to_pandas(columns=["lat", "lon"], extra_arg="extra_value")
args, kwargs = mock_pdbufr.read_bufr.call_args
print(f"Test 4 Kwargs: {kwargs}")
assert kwargs['extra_arg'] == "extra_value"
print("Test 4 successful")
PY
<|"|>}<tool_call|><|tool_response>
Generated tokens 146 tokens · stopped: STOP
The fix works as expected. It handles `filters=None` by converting it to `{}` and it now correctly passes `**kwargs` to `pdbufr.read_bufr`.
I'll double check if any other readers need similar fixes. I searched for `to_pandas` earlier.
`earthkit/data/sources/file.py` delegates to `self._reader.to_pandas(**kwargs)`.
`earthkit/data/readers/bufr.py` is the reader for BUFR.
Let's see if there are other readers.
The fix works as expected. It handles `filters=None` by converting it to `{}` and it now correctly passes `**kwargs` to `pdbufr.read_bufr`.
I'll double check if any other readers need similar fixes. I searched for `to_pandas` earlier.
`earthkit/data/sources/file.py` delegates to `self._reader.to_pandas(**kwargs)`.
`earthkit/data/readers/bufr.py` is the reader for BUFR.
Let's see if there are other readers.
<channel|><|tool_call>call:run_command{command:<|"|>ls earthkit/data/readers/<|"|>}<tool_call|><|tool_response>
Generated tokens 124 tokens · stopped: STOP
I should check if other readers' `to_pandas` methods have similar issues. Actually, most of them probably don't call a library that has this specific `NoneType` requirement for `filters`. But let's just check a few. `netcdf.py`, `numpy.py`, `odb.py`, etc. Let's search for `to_pandas` across `earthkit/data/readers/`.
I should check if other readers' `to_pandas` methods have similar issues.
Actually, most of them probably don't call a library that has this specific `NoneType` requirement for `filters`. But let's just check a few.
`netcdf.py`, `numpy.py`, `odb.py`, etc.
Let's search for `to_pandas` across `earthkit/data/readers/`.
<channel|><|tool_call>call:run_command{command:<|"|>grep -rn "def to_pandas" earthkit/data/readers/<|"|>}<tool_call|><|tool_response>
Generated tokens 85 tokens · stopped: STOP
Only `BUFRReader.to_pandas` had the `filters` argument. Others seem different. Let's double check `earthkit/data/readers/grib/pandas.py`.
Only `BUFRReader.to_pandas` had the `filters` argument. Others seem different.
Let's double check `earthkit/data/readers/grib/pandas.py`.
<channel|><|tool_call>call:read_file{filepath:<|"|>earthkit/data/readers/grib/pandas.py<|"|>,start_line:10,end_line:40}<tool_call|><|tool_response>
Generated tokens 56 tokens · stopped: STOP
That one is different. I'm confident in the fix for `bufr.py`. Final check of the diff and no untracked files.
That one is different.
I'm confident in the fix for `bufr.py`.
Final check of the diff and no untracked files.
<channel|><|tool_call>call:run_command{command:<|"|>git status --short && git diff<|"|>}<tool_call|><|tool_response>
Generated tokens 22 tokens · stopped: STOP
Everything looks clean. I'll submit the patch.
Everything looks clean. I'll submit the patch.
<channel|><|tool_call>call:submit_patch{}<tool_call|><|tool_response>
Patch, tests and logs
Final code change Included
diff --git a/earthkit/data/readers/bufr.py b/earthkit/data/readers/bufr.py
index 59c7672..bbf2808 100644
--- a/earthkit/data/readers/bufr.py
+++ b/earthkit/data/readers/bufr.py
@@ -62,7 +62,10 @@ class BUFRReader(Reader):
"""
import pdbufr
- return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
+ if filters is None:
+ filters = {}
+
+ return pdbufr.read_bufr(self.path, columns=columns, filters=filters, **kwargs)
def __len__(self):
if self._num is None:
Test output Included
============================= test session starts ============================== collecting ... collected 3 items tests/bufr/test_bufr_convert.py::test_bufr_to_pandas_no_filters[_kwargs0] PASSED tests/bufr/test_bufr_convert.py::test_bufr_to_pandas_no_filters[_kwargs1] PASSED tests/bufr/test_bufr_convert.py::test_bufr_to_pandas_filters PASSED ==================================== PASSES ==================================== - generated xml file: /tmp/rebench-grade-72dacba09c0c4c31834771d1992b33f6.xml -- =========================== short test summary info ============================ PASSED tests/bufr/test_bufr_convert.py::test_bufr_to_pandas_no_filters[_kwargs0] PASSED tests/bufr/test_bufr_convert.py::test_bufr_to_pandas_no_filters[_kwargs1] PASSED tests/bufr/test_bufr_convert.py::test_bufr_to_pandas_filters ============================== 3 passed in 1.42s ===============================
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="0" tests="3" time="1.419" timestamp="2026-11-14T04:31:16.918936+00:00" hostname="d9697c03fbe3"><testcase classname="tests.bufr.test_bufr_convert" name="test_bufr_to_pandas_no_filters[_kwargs0]" time="0.440" /><testcase classname="tests.bufr.test_bufr_convert" name="test_bufr_to_pandas_no_filters[_kwargs1]" time="0.058" /><testcase classname="tests.bufr.test_bufr_convert" name="test_bufr_to_pandas_filters" time="0.058" /></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 ecmwf/earthkit-data.
[ 33.2s] 💭 (1015 chars) "The user is reporting a `TypeError: 'NoneType' object is not iterable` when calling
`to_pandas()` on a BUFR dataset with..."
[ 33.2s] 🔧 run_command grep -rn --include="*.py" "to_pandas" earthkit/data | head -n 20
[ 33.3s] → earthkit/data/core/statistics.py:71: def to_pandas(self):
[ 51.9s] 💭 (730 chars) "Okay, so `to_pandas` is implemented in several places.
The user example uses `earthkit.data.from_source("file", "synop.b..."
[ 51.9s] 🔧 run_command grep -rn --include="*.py" "bufr" earthkit/data
[ 52.0s] → earthkit/data/readers/bufr.py:11:# https://github.com/ecmwf/pdbufr
[ 58.3s] 💭 (119 chars) "Okay, it seems `earthkit/data/readers/bufr.py` is the one calling `pdbufr`.
Let's read `earthkit/data/readers/bufr.py`."
[ 58.3s] 📖 read_file (earthkit/data/readers/bufr.py)
[ 58.4s] ✓ {'status': 'ok', 'filepath': 'earthkit/data/readers/bufr.py', 'content': '# (C) Copyright 2020
ECMWF.\n#\n# This softwar…
[ 103.7s] 💭 (1437 chars) "The bug is here:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
"""Extracts BUFR da..."
[ 103.7s] 🔧 run_command grep -rn "BUFRReader" tests/
[ 103.8s] → error (exit 0):
[ 109.5s] 💭 (95 chars) "No tests for `BUFRReader` in `tests/`? That's surprising. Let me check `tests` directory
again."
[ 109.5s] 🔧 run_command find tests -name "*bufr*"
[ 109.5s] → tests/bufr
[ 114.4s] 💭 (73 chars) "Ah, `tests/bufr/test_bufr_summary.py`. Let's see if it tests `to_pandas`."
[ 114.4s] 🔧 run_command grep -n "to_pandas" tests/bufr/test_bufr_summary.py
[ 114.4s] → error (exit 0):
[ 135.4s] 💭 (146 chars) "No `to_pandas` in `tests/bufr/test_bufr_summary.py`.
I'll create a reproduction script that mocks `pdbufr` to see what ..."
[ 135.4s] 🔧 run_command (20 lines) python3 - <<'PY'
[ 136.6s] → error (exit 0):
[ 146.7s] 💭 (221 chars) "Ah, `super().__init__(source, path)` in `BUFRReader` calls `Reader.__init__` which does
`self._source = weakref.ref(sour..."
[ 146.7s] 🔧 run_command (23 lines) python3 - <<'PY'
[ 147.1s] → Arguments: ('dummy.bufr',)
[ 203.3s] 💭 (2014 chars) "Perfect. The reproduction script confirms that `filters=None` is passed to
`pdbufr.read_bufr`.
According to the problem..."
[ 203.3s] ✏️ edit_file (earthkit/data/readers/bufr.py)
[ 203.5s] ✓ {'status': 'ok', 'filepath': 'earthkit/data/readers/bufr.py', 'occurrences': 1, 'strategy': 'exact',
'diff': '--- a/eart…
[ 226.1s] 💭 (170 chars) "I also added `**kwargs` to `pdbufr.read_bufr`. This seems correct given that they are
documented in the docstring.
Now ..."
[ 226.1s] 🔧 run_command (43 lines) python3 - <<'PY'
[ 226.5s] → Test 1 Kwargs: {'columns': ['lat', 'lon'], 'filters': {}}
[ 236.9s] 💭 (411 chars) "The fix works as expected. It handles `filters=None` by converting it to `{}` and it now
correctly passes `**kwargs` to ..."
[ 236.9s] 🔧 run_command ls earthkit/data/readers/
[ 236.9s] → __init__.py
[ 243.9s] 💭 (319 chars) "I should check if other readers' `to_pandas` methods have similar issues.
Actually, most of them probably don't call a ..."
[ 243.9s] 🔧 run_command grep -rn "def to_pandas" earthkit/data/readers/
[ 244.0s] → earthkit/data/readers/bufr.py:40: def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
[ 249.1s] 💭 (138 chars) "Only `BUFRReader.to_pandas` had the `filters` argument. Others seem different.
Let's double check `earthkit/data/reader..."
[ 249.1s] 📖 read_file (earthkit/data/readers/grib/pandas.py)
[ 249.2s] ✓ {'status': 'ok', 'filepath': 'earthkit/data/readers/grib/pandas.py', 'content': 'import logging\n\nLOG =
logging.getLogg…
[ 252.5s] 💭 (112 chars) "That one is different.
I'm confident in the fix for `bufr.py`.
Final check of the diff and no untracked files."
[ 252.5s] 🔧 run_command git status --short && git diff
[ 252.5s] → M earthkit/data/readers/bufr.py
[ 254.0s] 💭 (46 chars) "Everything looks clean. I'll submit the patch."
[ 254.0s] 🤖 submit_patch
[ 254.1s] → submit_patch: {"status": "ok", "patch_size": 540, "files_changed": 1}
[ 265.3s] 💭 (330 chars) "The fix has been applied. The issue was that `pdbufr.read_bufr` does not handle
`filters=None` gracefully, while `earthk..."
[ 265.3s] ✅ Agent finished: The `to_pandas` method in `BUFRReader` was passing `filters=None` to `pdbufr.read_bufr`
by default, which caused a `TypeError` in the `pdbufr` library. I have updated the method to ensure `filters` is...
Native result row
{
"agent_error": null,
"duration_seconds": 272.53,
"error": null,
"grade": {
"collected_tests": 3,
"competition_junit_ok": true,
"error": null,
"required_issues_count": 0,
"resolved": true,
"status_counts": {
"PASSED": 3
},
"strict_clean_patch": true,
"test_exit_code": 0
},
"instance_id": "ecmwf__earthkit-data-111",
"pass_idx": 0,
"patch_chars": 540,
"phase1_seconds": 269.72,
"repo": "ecmwf/earthkit-data",
"request_log_path": "/kaggle-root/working/r31/rollouts_X/requests/ecmwf__earthkit-data-111__p0__r7.jsonl",
"resolved": true,
"rollout_idx": 7,
"run_key": "ecmwf__earthkit-data-111__p0__r7",
"strict_clean_patch": true,
"tool_calls": 14,
"total_llm_calls": 16,
"trace_path": "/kaggle-root/working/r31/rollouts_X/traces/trace_ecmwf__earthkit-data-111__p0__r7.json"
}