ROLLOUT 0 · ecmwf/earthkit-data
ecmwf__earthkit-data-111
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14model calls
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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 25 s343 tokens out2,836 prompt tokens
The user is reporting a `TypeError: 'NoneType' object is not iterable` in `to_pandas` when no `filters` argument is specified for BUFR files in `earthkit-data`.
The error occurs in `git/pdbufr/pdbufr/bufr_structure.py` (which seems to be a dependency or a submodule, but wait, I need to check if it's part of the workspace or an external library).
Wait, the traceback says `File "git/pdbufr/pdbufr/bufr_structure.py"`. This looks like a path relative to some root, but I am in `/workspace`.
Let me check if `pdbufr` is inside `/workspace`.
The problem statement says:
```python
ds = earthkit.data.from_source("file", "synop.bufr")
r = ds.to_pandas(columns=["latitude", "longitude"])
```
results in:
```
File "git/pdbufr/pdbufr/bufr_structure.py", line 616, in stream_bufr
filters = dict(filters)
TypeError: 'NoneType' object is not iterable
```
I need to find where `to_pandas` is implemented in `earthkit.data` and how it calls the BUFR reader/translator.
First, I'll search for `to_pandas` in the repository.
TOOL CALL · run_command
{
"command": "grep -rn --include=\"*.py\" \"def to_pandas\" ."
}Result of run_command 1,280 characters
{
"status": "ok",
"stdout": "./earthkit/data/core/statistics.py:71: def to_pandas(self):\n./earthkit/data/core/__init__.py:47: def to_pandas(self, **kwargs):\n./earthkit/data/mergers/__init__.py:74: def to_pandas(self, **kwargs):\n./earthkit/data/mergers/__init__.py:113: def to_pandas(self, *args, **kwargs):\n./earthkit/data/sources/multi.py:100: def to_pandas(self, **kwargs):\n./earthkit/data/sources/cds.py:130: def to_pandas(self, **kwargs):\n./earthkit/data/sources/memory.py:41: def to_pandas(self, **kwargs):\n./earthkit/data/sources/ecmwf_api.py:99: def to_pandas(self, **kwargs):\n./earthkit/data/sources/file.py:105: def to_pandas(self, **kwargs):\n./earthkit/data/wrappers/xarray.py:71: def to_pandas(self, *args, **kwargs):\n./earthkit/data/readers/bufr.py:40: def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):\n./earthkit/data/readers/grib/pandas.py:16: def to_pandas(self, latitude=None, longitude=None, **kwargs):\n./earthkit/data/readers/netcdf.py:191: def to_pandas(self):\n./earthkit/data/readers/netcdf.py:377: def to_pandas(self):\n./earthkit/data/readers/odb.py:18: def to_pandas(self, **kwargs):\n./earthkit/data/readers/csv.py:135: def to_pandas(self, **kwargs):\n",
"stderr": "",
"exit_code": 0
}Turn 2at 29 s89 tokens out3,684 prompt tokens
The most relevant one seems to be `./earthkit/data/readers/bufr.py:40: def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):`. Let's examine `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 3at 84 s597 tokens out4,802 prompt tokens
In `earthkit/data/readers/bufr.py`, the `to_pandas` method is:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
# ... docstring ...
import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
The error occurs when `filters` is `None`, which is the default.
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
```
It seems `pdbufr.read_bufr` eventually calls `stream_bufr`, which tries to do `dict(filters)` when `filters` is `None`.
If `pdbufr` is an external library (which it seems to be, given the `import pdbufr` and the traceback from `git/pdbufr/...`), and the issue is in `pdbufr`'s `stream_bufr`, but we only have control over `earthkit-data`, we should probably ensure that `filters` is passed as an empty dictionary if it is `None`.
The user said:
"To make it work `filters` must be specified. E.g.:
`r = ds.to_pandas(columns=["latitude", "longitude"], filters={})`"
So, if I change `filters=None` to `filters={}` in the `to_pandas` signature, or if I change `filters=filters` to `filters=filters if filters is not None else {}` in the call to `pdbufr.read_bufr`, it should fix the issue.
Wait, let's check if `pdbufr` is a dependency that we might have a version of in the environment that has this bug. The traceback path `git/pdbufr/pdbufr/bufr_structure.py` is strange. Usually, it would be in `site-packages`.
Let's see if we can reproduce it. I don't have a `synop.bufr` file, but I can try to mock `pdbufr.read_bufr` or just see if I can create a dummy file. Actually, the easiest way to reproduce the `TypeError` is to simulate the call with `filters=None`.
Let's try to reproduce it without a real BUFR file if possible, or try to find if there are any BUFR files in the workspace.
TOOL CALL · run_command
{
"command": "find /workspace -name \"*.bufr\""
}Result of run_command 99 characters
{
"status": "ok",
"stdout": "/workspace/docs/examples/temp_10.bufr\n",
"stderr": "",
"exit_code": 0
}Turn 4at 94 s144 tokens out5,453 prompt tokens
Okay, there is a BUFR file at `/workspace/docs/examples/temp_10.bufr`. Let's try to reproduce the issue with this file.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nimport earthkit.data\ntry:\n ds = earthkit.data.from_source(\"file\", \"/workspace/docs/examples/temp_10.bufr\")\n r = ds.to_pandas(columns=[\"latitude\", \"longitude\"])\n print(\"Success!\")\nexcept Exception as e:\n import traceback\n traceback.print_exc()\nPY\n"
}Result of run_command 1,110 characters
{
"status": "ok",
"stdout": "",
"stderr": "Traceback (most recent call last):\n File \"<stdin>\", line 4, in <module>\n File \"/workspace/earthkit/data/sources/file.py\", line 107, in to_pandas\n return self._reader.to_pandas(**kwargs)\n File \"/workspace/earthkit/data/readers/bufr.py\", line 65, in to_pandas\n return pdbufr.read_bufr(self.path, columns=columns, filters=filters)\n File \"/usr/local/lib/python3.10/site-packages/pdbufr/bufr_read.py\", line 29, in read_bufr\n return reader.execute()\n File \"/usr/local/lib/python3.10/site-packages/pdbufr/readers/__init__.py\", line 45, in execute\n return _read(bufr_obj)\n File \"/usr/local/lib/python3.10/site-packages/pdbufr/readers/__init__.py\", line 39, in _read\n df = pd.DataFrame.from_records(rows)\n File \"/usr/local/lib/python3.10/site-packages/pandas/core/frame.py\", line 2459, in from_records\n first_row = next(data)\n File \"/usr/local/lib/python3.10/site-packages/pdbufr/readers/generic.py\", line 215, in read_records\n filters = dict(filters)\nTypeError: 'NoneType' object is not iterable\n",
"exit_code": 0
}Turn 5at 142 s572 tokens out6,022 prompt tokens
The reproduction failed with the exact same error:
`TypeError: 'NoneType' object is not iterable`
at `filters = dict(filters)` in `pdbufr/readers/generic.py` (the path is slightly different from the issue report, but the line and error are the same).
To fix this in `earthkit-data/readers/bufr.py`, I should ensure `filters` is not `None` when calling `pdbufr.read_bufr`.
Let's check `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)
```
I can change it to:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
# ...
import pdbufr
if filters is None:
filters = {}
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
Or just:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
# ...
import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters or {})
```
Wait, `filters or {}` would also replace an empty dictionary with an empty dictionary, which is fine. But it would also replace `False` or other falsy values with `{}`. Since `filters` is expected to be a `dict`, `filters or {}` is probably fine, but `filters if filters is not None else {}` is safer.
Actually, the docstring says `filters: dict`. If the user provides `None`, it should be `{}`.
Let's apply the fix.
TOOL CALL · edit_file
{
"filepath": "earthkit/data/readers/bufr.py",
"new_string": " import pdbufr\n\n if filters is None:\n filters = {}\n\n return pdbufr.read_bufr(self.path, columns=columns, filters=filters)",
"old_string": " import pdbufr\n\n return pdbufr.read_bufr(self.path, columns=columns, filters=filters)"
}Result of edit_file 439 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@@ -62,6 +62,9 @@\n \"\"\"\n import pdbufr\n \n+ if filters is None:\n+ filters = {}\n+\n return pdbufr.read_bufr(self.path, columns=columns, filters=filters)\n \n def __len__(self):\n",
"is_truncated": false
}Turn 6at 151 s123 tokens out6,766 prompt tokens
Now let's verify the fix.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nimport earthkit.data\ntry:\n ds = earthkit.data.from_source(\"file\", \"/workspace/docs/examples/temp_10.bufr\")\n r = ds.to_pandas(columns=[\"latitude\", \"longitude\"])\n print(\"Success!\")\n print(r.head())\nexcept Exception as e:\n import traceback\n traceback.print_exc()\nPY\n"
}Result of run_command 214 characters
{
"status": "ok",
"stdout": "Success!\n latitude longitude\n0 67.37 26.63\n1 56.90 3.35\n2 58.87 5.67\n3 70.93 -8.67\n4 67.28 14.45\n",
"stderr": "",
"exit_code": 0
}Turn 7at 171 s264 tokens out7,009 prompt tokens
The reproduction now succeeds.
Now I should check if there are other places where `to_pandas` is called for BUFR files.
Wait, I already saw `grep` results for `to_pandas`.
The `BUFRReader` is used when the magic bytes are BUFR.
`reader` function in `earthkit/data/readers/bufr.py`:
```python
def reader(source, path, magic=None, deeper_check=False):
if magic is None or magic[:4] == b"BUFR":
return BUFRReader(source, path)
```
Let's check if there are other `to_pandas` implementations that might be affected.
In `earthkit/data/sources/file.py`, `to_pandas` is:
```python
def to_pandas(self, **kwargs):
return self._reader.to_pandas(**kwargs)
```
This calls `BUFRReader.to_pandas` if it's a BUFR file.
I should also check if `pdbufr` is used anywhere else.
TOOL CALL · run_command
{
"command": "grep -rn \"pdbufr\" ."
}Result of run_command 1,509 characters
{
"status": "ok",
"stdout": "./setup.cfg:32: pdbufr\n./environment.yml:15:- pdbufr\n./earthkit/data/readers/bufr.py:11:# https://github.com/ecmwf/pdbufr\n./earthkit/data/readers/bufr.py:41: \"\"\"Extracts BUFR data into an pandas DataFranme using :xref:`pdbufr`.\n./earthkit/data/readers/bufr.py:63: import pdbufr\n./earthkit/data/readers/bufr.py:68: return pdbufr.read_bufr(self.path, columns=columns, filters=filters)\n./earthkit/data/readers/bufr.py:79: from pdbufr.high_level_bufr.bufr import BufrFile\n./docs/examples/bufr.ipynb:226: \"to_pandas() extracts data into a Pandas dataframe (uses [pdbufr](\\\"https://github.com/ecmwf/pdbufr\\\") under the hood). The following example shows how the get the temperature profile for a given station:\"\n./docs/conf.py:101: \"pdbufr\": (\"pdbufr\", \"https://github.com/ecmwf/pdbufr\"),\n./docs/conf.py:103: \"pdbufr.read_bufr()\",\n./docs/conf.py:104: \"https://pdbufr.readthedocs.io/en/latest/read_bufr.html\",\n./docs/guide/data_format/bufr.rst:12:BUFR is a message based format and can contain both forecasts and observations. The structure of a BUFR message is typically hierarchical and can be rather complex, so the recommended way is to extract the required data with ``to_pandas()`` into a pandas DataFrame, which is much easier to work with. The BUFR data extraction in ``to_pandas()`` is implemented by :xref:`pdbufr`.\n./tests/environment-unit-tests.yml:16:- pdbufr\n",
"stderr": "",
"exit_code": 0
}Turn 8at 178 s92 tokens out7,801 prompt tokens
It seems `pdbufr` is only used in `earthkit/data/readers/bufr.py`. Now let's check if there are any existing tests for `to_pandas` with BUFR files that I should run to make sure I didn't break anything.
TOOL CALL · run_command
{
"command": "grep -rn \"to_pandas\" tests/ | grep \"bufr\""
}Result of run_command 127 characters
{
"status": "error",
"error_type": "CommandError",
"error_message": "",
"details": {
"stdout": "",
"stderr": "",
"exit_code": 1
}
}Turn 9at 184 s55 tokens out7,948 prompt tokens
No tests specifically for BUFR `to_pandas` were found using that search. Let me search for "bufr" in `tests/`.
TOOL CALL · run_command
{
"command": "grep -rn \"bufr\" tests/"
}Result of run_command 1,272 characters
{
"status": "ok",
"stdout": "tests/sources/test_url.py:59: \"https://get.ecmwf.int/repository/test-data/earthkit-data/test-data/temp.bufr\",\ntests/sources/test_url.py:81: \"https://get.ecmwf.int/repository/test-data/earthkit-data/test-data/temp.bufr\",\ntests/sources/test_url.py:86: \"https://get.ecmwf.int/repository/test-data/earthkit-data/test-data/temp.bufr\",\ntests/sources/test_url.py:97: \"https://get.ecmwf.int/repository/test-data/earthkit-data/test-data/temp.bufr\",\ntests/environment-unit-tests.yml:16:- pdbufr\ntests/bufr/test_bufr_summary.py:17:def test_bufr_ls_invalid_num():\ntests/bufr/test_bufr_summary.py:18: f = from_source(\"file\", earthkit_examples_file(\"temp_10.bufr\"))\ntests/bufr/test_bufr_summary.py:26:def test_bufr_ls_num():\ntests/bufr/test_bufr_summary.py:27: f = from_source(\"file\", earthkit_examples_file(\"temp_10.bufr\"))\ntests/bufr/test_bufr_summary.py:75:def test_bufr_head_num():\ntests/bufr/test_bufr_summary.py:76: f = from_source(\"file\", earthkit_examples_file(\"temp_10.bufr\"))\ntests/bufr/test_bufr_summary.py:102:def test_bufr_tail_num():\ntests/bufr/test_bufr_summary.py:103: f = from_source(\"file\", earthkit_examples_file(\"temp_10.bufr\"))\n",
"stderr": "",
"exit_code": 0
}Turn 10at 187 s65 tokens out8,551 prompt tokens
It seems there are no tests for `to_pandas` with BUFR files. Let me double check `tests/bufr/test_bufr_summary.py`.
TOOL CALL · read_file
{
"filepath": "tests/bufr/test_bufr_summary.py"
}Result of read_file 3,979 characters
{
"status": "ok",
"filepath": "tests/bufr/test_bufr_summary.py",
"content": "#!/usr/bin/env python3\n\n# (C) Copyright 2022- 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\nimport pytest\n\nfrom earthkit.data import from_source\nfrom earthkit.data.testing import earthkit_examples_file\n\n\ndef test_bufr_ls_invalid_num():\n f = from_source(\"file\", earthkit_examples_file(\"temp_10.bufr\"))\n with pytest.raises(ValueError):\n f.ls(n=0, print=False)\n\n with pytest.raises(ValueError):\n f.ls(0, print=False)\n\n\ndef test_bufr_ls_num():\n f = from_source(\"file\", earthkit_examples_file(\"temp_10.bufr\"))\n\n # default keys\n\n # head\n df = f.ls(n=2, print=False)\n ref = {\n \"edition\": {0: 3, 1: 3},\n \"type\": {0: 2, 1: 2},\n \"subtype\": {0: 101, 1: 101},\n \"c\": {0: 98, 1: 98},\n \"mv\": {0: 13, 1: 13},\n \"lv\": {0: 1, 1: 1},\n \"subsets\": {0: 1, 1: 1},\n \"compr\": {0: 0, 1: 0},\n \"typicalDate\": {0: \"20081208\", 1: \"20081208\"},\n \"typicalTime\": {0: \"120000\", 1: \"120000\"},\n \"ident\": {0: \"02836\", 1: \"01400\"},\n \"lat\": {0: 67.37, 1: 56.9},\n \"lon\": {0: 26.63, 1: 3.35},\n }\n\n assert ref == df.to_dict()\n\n # t tail\n df = f.ls(-2, print=False)\n ref = {\n \"edition\": {0: 3, 1: 3},\n \"type\": {0: 2, 1: 2},\n \"subtype\": {0: 101, 1: 101},\n \"c\": {0: 98, 1: 98},\n \"mv\": {0: 13, 1: 13},\n \"lv\": {0: 1, 1: 1},\n \"subsets\": {0: 1, 1: 1},\n \"compr\": {0: 0, 1: 0},\n \"typicalDate\": {0: \"20081208\", 1: \"20081208\"},\n \"typicalTime\": {0: \"120000\", 1: \"120000\"},\n \"ident\": {0: \"11035\", 1: \"02963\"},\n \"lat\": {0: 48.25, 1: 60.82},\n \"lon\": {0: 16.37, 1: 23.5},\n }\n\n assert ref == df.to_dict()\n\n df = f.ls(-2, print=False)\n assert ref == df.to_dict()\n\n\ndef test_bufr_head_num():\n f = from_source(\"file\", earthkit_examples_file(\"temp_10.bufr\"))\n\n # default keys\n df = f.head(n=2, print=False)\n ref = {\n \"edition\": {0: 3, 1: 3},\n \"type\": {0: 2, 1: 2},\n \"subtype\": {0: 101, 1: 101},\n \"c\": {0: 98, 1: 98},\n \"mv\": {0: 13, 1: 13},\n \"lv\": {0: 1, 1: 1},\n \"subsets\": {0: 1, 1: 1},\n \"compr\": {0: 0, 1: 0},\n \"typicalDate\": {0: \"20081208\", 1: \"20081208\"},\n \"typicalTime\": {0: \"120000\", 1: \"120000\"},\n \"ident\": {0: \"02836\", 1: \"01400\"},\n \"lat\": {0: 67.37, 1: 56.9},\n \"lon\": {0: 26.63, 1: 3.35},\n }\n\n assert ref == df.to_dict()\n\n df = f.head(2, print=False)\n assert ref == df.to_dict()\n\n\ndef test_bufr_tail_num():\n f = from_source(\"file\", earthkit_examples_file(\"temp_10.bufr\"))\n\n # default keys\n df = f.tail(n=2, print=False)\n ref = {\n \"edition\": {0: 3, 1: 3},\n \"type\": {0: 2, 1: 2},\n \"subtype\": {0: 101, 1: 101},\n \"c\": {0: 98, 1: 98},\n \"mv\": {0: 13, 1: 13},\n \"lv\": {0: 1, 1: 1},\n \"subsets\": {0: 1, 1: 1},\n \"compr\": {0: 0, 1: 0},\n \"typicalDate\": {0: \"20081208\", 1: \"20081208\"},\n \"typicalTime\": {0: \"120000\", 1: \"120000\"},\n \"ident\": {0: \"11035\", 1: \"02963\"},\n \"lat\": {0: 48.25, 1: 60.82},\n \"lon\": {0: 16.37, 1: 23.5},\n }\n\n assert ref == df.to_dict()\n\n df = f.tail(2, print=False)\n assert ref == df.to_dict()",
"start_line": 1,
"end_line": 126,
"total_lines": 126,
"is_truncated": false
}Turn 11at 224 s644 tokens out10,466 prompt tokens
These tests use `f.ls()`, `f.head()`, and `f.tail()`, not `f.to_pandas()`.
`BUFRReader.ls` is:
```python
def ls(self, *args, **kwargs):
from pdbufr.high_level_bufr.bufr import BufrFile
from earthkit.data.utils.summary import ls
b = BufrFile(self.path)
def _proc(keys, n):
# ...
for count, msg in enumerate(b):
with msg:
if count_start <= count < count_end:
yield ({k: msg[k1] for k, k1 in keys.items()})
elif count >= count_end:
break
return ls(_proc, BUFR_LS_KEYS, *args, **kwargs)
```
This does not call `pdbufr.read_bufr` and doesn't seem to use `filters`.
So, the fix is only needed in `to_pandas`.
Let me double check if I should consider any other parallel paths.
The `BUFRReader` is the only reader for BUFR.
Other readers (like `GribReader` or `NetcdfReader`) have their own `to_pandas` implementation.
Let's check if `pdbufr.read_bufr` documentation or usage suggests any other requirement for `filters`.
The issue report says:
"To make it work `filters` must be specified. E.g.: `r = ds.to_pandas(columns=["latitude", "longitude"], filters={})`"
My fix:
```python
if filters is None:
filters = {}
```
This exactly replicates providing `filters={}` when it's not provided.
One last check on the code:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
"""Extracts BUFR data into an pandas DataFranme using :xref:`pdbufr`.
# ...
"""
import pdbufr
if filters is None:
filters = {}
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
Looks good.
I'll run the reproduction again to be 100% sure.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nimport earthkit.data\ntry:\n ds = earthkit.data.from_source(\"file\", \"/workspace/docs/examples/temp_10.bufr\")\n r = ds.to_pandas(columns=[\"latitude\", \"longitude\"])\n print(\"Success!\")\n print(r.head())\nexcept Exception as e:\n import traceback\n traceback.print_exc()\nPY\n"
}Result of run_command 214 characters
{
"status": "ok",
"stdout": "Success!\n latitude longitude\n0 67.37 26.63\n1 56.90 3.35\n2 58.87 5.67\n3 70.93 -8.67\n4 67.28 14.45\n",
"stderr": "",
"exit_code": 0
}Turn 12at 238 s169 tokens out11,230 prompt tokens
The fix is verified. Now I'll check if there are any other files I should have updated. I've checked `earthkit/data/readers/bufr.py`. I've checked `earthkit/data/sources/file.py` and it just delegates to the reader. The issue report mentioned `git/pdbufr/pdbufr/bufr_structure.py`, but that seems to be inside the `pdbufr` package, which is an external dependency (installed in `site-packages` in the environment, as seen in the traceback). I'll do a `git status --short && git diff` to make sure everything is clean.
TOOL CALL · run_command
{
"command": "git status --short && git diff"
}Result of run_command 531 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..02882e4 100644\n--- a/earthkit/data/readers/bufr.py\n+++ b/earthkit/data/readers/bufr.py\n@@ -62,6 +62,9 @@ class BUFRReader(Reader):\n \"\"\"\n import pdbufr\n \n+ if filters is None:\n+ filters = {}\n+\n return pdbufr.read_bufr(self.path, columns=columns, filters=filters)\n \n def __len__(self):\n",
"stderr": "",
"exit_code": 0
}Turn 13at 240 s20 tokens out11,624 prompt tokens
Everything looks correct. I am ready to submit.
TOOL CALL · submit_patch
Result of submit_patch 55 characters
{
"status": "ok",
"patch_size": 420,
"files_changed": 1
}Turn 14at 248 s108 tokens out11,684 prompt tokens
I have resolved the issue where calling `to_pandas()` on a BUFR dataset without specifying the `filters` argument resulted in a `TypeError: 'NoneType' object is not iterable`. The root cause was that the underlying `pdbufr.read_bufr()` function expected a dictionary for the `filters` parameter and did not handle `None` correctly. I updated `earthkit/data/readers/bufr.py` to ensure a default empty dictionary is passed when `filters` is `None`.
Model calls (not matched to turns)
Generated tokens 343 tokens · stopped: STOP
The user is reporting a `TypeError: 'NoneType' object is not iterable` in `to_pandas` when no `filters` argument is specified for BUFR files in `earthkit-data`.
The error occurs in `git/pdbufr/pdbufr/bufr_structure.py` (which seems to be a dependency or a submodule, but wait, I need to check if it's part of the workspace or an external library).
Wait, the traceback says `File "git/pdbufr/pdbufr/bufr_structure.py"`. This looks like a path relative to some root, but I am in `/workspace`.
Let me check if `pdbufr` is inside `/workspace`.
The problem statement says:
```python
ds = earthkit.data.from_source("file", "synop.bufr")
r = ds.to_pandas(columns=["latitude", "longitude"])
```
results in:
```
File "git/pdbufr/pdbufr/bufr_structure.py", line 616, in stream_bufr
filters = dict(filters)
TypeError: 'NoneType' object is not iterable
```
I need to find where `to_pandas` is implemented in `earthkit.data` and how it calls the BUFR reader/translator.
First, I'll search for `to_pandas` in the repository.<|channel>thought
The user is reporting a `TypeError: 'NoneType' object is not iterable` in `to_pandas` when no `filters` argument is specified for BUFR files in `earthkit-data`.
The error occurs in `git/pdbufr/pdbufr/bufr_structure.py` (which seems to be a dependency or a submodule, but wait, I need to check if it's part of the workspace or an external library).
Wait, the traceback says `File "git/pdbufr/pdbufr/bufr_structure.py"`. This looks like a path relative to some root, but I am in `/workspace`.
Let me check if `pdbufr` is inside `/workspace`.
The problem statement says:
```python
ds = earthkit.data.from_source("file", "synop.bufr")
r = ds.to_pandas(columns=["latitude", "longitude"])
```
results in:
```
File "git/pdbufr/pdbufr/bufr_structure.py", line 616, in stream_bufr
filters = dict(filters)
TypeError: 'NoneType' object is not iterable
```
I need to find where `to_pandas` is implemented in `earthkit.data` and how it calls the BUFR reader/translator.
First, I'll search for `to_pandas` in the repository.<channel|><|tool_call>call:run_command{command:<|"|>grep -rn --include="*.py" "def to_pandas" .<|"|>}<tool_call|><|tool_response>
Generated tokens 89 tokens · stopped: STOP
The most relevant one seems to be `./earthkit/data/readers/bufr.py:40: def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):`. Let's examine `earthkit/data/readers/bufr.py`.
The most relevant one seems to be `./earthkit/data/readers/bufr.py:40: def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):`.
Let's examine `earthkit/data/readers/bufr.py`.
<channel|><|tool_call>call:read_file{filepath:<|"|>earthkit/data/readers/bufr.py<|"|>}<tool_call|><|tool_response>
Generated tokens 597 tokens · stopped: STOP
In `earthkit/data/readers/bufr.py`, the `to_pandas` method is:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
# ... docstring ...
import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
The error occurs when `filters` is `None`, which is the default.
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
```
It seems `pdbufr.read_bufr` eventually calls `stream_bufr`, which tries to do `dict(filters)` when `filters` is `None`.
If `pdbufr` is an external library (which it seems to be, given the `import pdbufr` and the traceback from `git/pdbufr/...`), and the issue is in `pdbufr`'s `stream_bufr`, but we only have control over `earthkit-data`, we should probably ensure that `filters` is passed as an empty dictionary if it is `None`.
The user said:
"To make it work `filters` must be specified. E.g.:
`r = ds.to_pandas(columns=["latitude", "longitude"], filters={})`"
So, if I change `filters=None` to `filters={}` in the `to_pandas` signature, or if I change `filters=filters` to `filters=filters if filters is not None else {}` in the call to `pdbufr.read_bufr`, it should fix the issue.
Wait, let's check if `pdbufr` is a dependency that we might have a version of in the environment that has this bug. The traceback path `git/pdbufr/pdbufr/bufr_structure.py` is strange. Usually, it would be in `site-packages`.
Let's see if we can reproduce it. I don't have a `synop.bufr` file, but I can try to mock `pdbufr.read_bufr` or just see if I can create a dummy file. Actually, the easiest way to reproduce the `TypeError` is to simulate the call with `filters=None`.
Let's try to reproduce it without a real BUFR file if possible, or try to find if there are any BUFR files in the workspace.In `earthkit/data/readers/bufr.py`, the `to_pandas` method is:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
# ... docstring ...
import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
The error occurs when `filters` is `None`, which is the default.
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
```
It seems `pdbufr.read_bufr` eventually calls `stream_bufr`, which tries to do `dict(filters)` when `filters` is `None`.
If `pdbufr` is an external library (which it seems to be, given the `import pdbufr` and the traceback from `git/pdbufr/...`), and the issue is in `pdbufr`'s `stream_bufr`, but we only have control over `earthkit-data`, we should probably ensure that `filters` is passed as an empty dictionary if it is `None`.
The user said:
"To make it work `filters` must be specified. E.g.:
`r = ds.to_pandas(columns=["latitude", "longitude"], filters={})`"
So, if I change `filters=None` to `filters={}` in the `to_pandas` signature, or if I change `filters=filters` to `filters=filters if filters is not None else {}` in the call to `pdbufr.read_bufr`, it should fix the issue.
Wait, let's check if `pdbufr` is a dependency that we might have a version of in the environment that has this bug. The traceback path `git/pdbufr/pdbufr/bufr_structure.py` is strange. Usually, it would be in `site-packages`.
Let's see if we can reproduce it. I don't have a `synop.bufr` file, but I can try to mock `pdbufr.read_bufr` or just see if I can create a dummy file. Actually, the easiest way to reproduce the `TypeError` is to simulate the call with `filters=None`.
Let's try to reproduce it without a real BUFR file if possible, or try to find if there are any BUFR files in the workspace.<channel|><|tool_call>call:run_command{command:<|"|>find /workspace -name "*.bufr"<|"|>}<tool_call|><|tool_response>
Generated tokens 144 tokens · stopped: STOP
Okay, there is a BUFR file at `/workspace/docs/examples/temp_10.bufr`. Let's try to reproduce the issue with this file.
Okay, there is a BUFR file at `/workspace/docs/examples/temp_10.bufr`.
Let's try to reproduce the issue with this file.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
import earthkit.data
try:
ds = earthkit.data.from_source("file", "/workspace/docs/examples/temp_10.bufr")
r = ds.to_pandas(columns=["latitude", "longitude"])
print("Success!")
except Exception as e:
import traceback
traceback.print_exc()
PY
<|"|>}<tool_call|><|tool_response>
Generated tokens 572 tokens · stopped: STOP
The reproduction failed with the exact same error:
`TypeError: 'NoneType' object is not iterable`
at `filters = dict(filters)` in `pdbufr/readers/generic.py` (the path is slightly different from the issue report, but the line and error are the same).
To fix this in `earthkit-data/readers/bufr.py`, I should ensure `filters` is not `None` when calling `pdbufr.read_bufr`.
Let's check `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)
```
I can change it to:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
# ...
import pdbufr
if filters is None:
filters = {}
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
Or just:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
# ...
import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters or {})
```
Wait, `filters or {}` would also replace an empty dictionary with an empty dictionary, which is fine. But it would also replace `False` or other falsy values with `{}`. Since `filters` is expected to be a `dict`, `filters or {}` is probably fine, but `filters if filters is not None else {}` is safer.
Actually, the docstring says `filters: dict`. If the user provides `None`, it should be `{}`.
Let's apply the fix.
The reproduction failed with the exact same error:
`TypeError: 'NoneType' object is not iterable`
at `filters = dict(filters)` in `pdbufr/readers/generic.py` (the path is slightly different from the issue report, but the line and error are the same).
To fix this in `earthkit-data/readers/bufr.py`, I should ensure `filters` is not `None` when calling `pdbufr.read_bufr`.
Let's check `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)
```
I can change it to:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
# ...
import pdbufr
if filters is None:
filters = {}
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
Or just:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
# ...
import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters or {})
```
Wait, `filters or {}` would also replace an empty dictionary with an empty dictionary, which is fine. But it would also replace `False` or other falsy values with `{}`. Since `filters` is expected to be a `dict`, `filters or {}` is probably fine, but `filters if filters is not None else {}` is safer.
Actually, the docstring says `filters: dict`. If the user provides `None`, it should be `{}`.
Let's apply the fix.
<channel|><|tool_call>call:edit_file{filepath:<|"|>earthkit/data/readers/bufr.py<|"|>,new_string:<|"|> import pdbufr
if filters is None:
filters = {}
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)<|"|>,old_string:<|"|> import pdbufr
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)<|"|>}<tool_call|><|tool_response>
Generated tokens 123 tokens · stopped: STOP
Now let's verify the fix.
Now let's verify the fix.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
import earthkit.data
try:
ds = earthkit.data.from_source("file", "/workspace/docs/examples/temp_10.bufr")
r = ds.to_pandas(columns=["latitude", "longitude"])
print("Success!")
print(r.head())
except Exception as e:
import traceback
traceback.print_exc()
PY
<|"|>}<tool_call|><|tool_response>
Generated tokens 264 tokens · stopped: STOP
The reproduction now succeeds.
Now I should check if there are other places where `to_pandas` is called for BUFR files.
Wait, I already saw `grep` results for `to_pandas`.
The `BUFRReader` is used when the magic bytes are BUFR.
`reader` function in `earthkit/data/readers/bufr.py`:
```python
def reader(source, path, magic=None, deeper_check=False):
if magic is None or magic[:4] == b"BUFR":
return BUFRReader(source, path)
```
Let's check if there are other `to_pandas` implementations that might be affected.
In `earthkit/data/sources/file.py`, `to_pandas` is:
```python
def to_pandas(self, **kwargs):
return self._reader.to_pandas(**kwargs)
```
This calls `BUFRReader.to_pandas` if it's a BUFR file.
I should also check if `pdbufr` is used anywhere else.
The reproduction now succeeds.
Now I should check if there are other places where `to_pandas` is called for BUFR files.
Wait, I already saw `grep` results for `to_pandas`.
The `BUFRReader` is used when the magic bytes are BUFR.
`reader` function in `earthkit/data/readers/bufr.py`:
```python
def reader(source, path, magic=None, deeper_check=False):
if magic is None or magic[:4] == b"BUFR":
return BUFRReader(source, path)
```
Let's check if there are other `to_pandas` implementations that might be affected.
In `earthkit/data/sources/file.py`, `to_pandas` is:
```python
def to_pandas(self, **kwargs):
return self._reader.to_pandas(**kwargs)
```
This calls `BUFRReader.to_pandas` if it's a BUFR file.
I should also check if `pdbufr` is used anywhere else.
<channel|><|tool_call>call:run_command{command:<|"|>grep -rn "pdbufr" .<|"|>}<tool_call|><|tool_response>
Generated tokens 92 tokens · stopped: STOP
It seems `pdbufr` is only used in `earthkit/data/readers/bufr.py`. Now let's check if there are any existing tests for `to_pandas` with BUFR files that I should run to make sure I didn't break anything.
It seems `pdbufr` is only used in `earthkit/data/readers/bufr.py`.
Now let's check if there are any existing tests for `to_pandas` with BUFR files that I should run to make sure I didn't break anything.
<channel|><|tool_call>call:run_command{command:<|"|>grep -rn "to_pandas" tests/ | grep "bufr"<|"|>}<tool_call|><|tool_response>
Generated tokens 55 tokens · stopped: STOP
No tests specifically for BUFR `to_pandas` were found using that search. Let me search for "bufr" in `tests/`.
No tests specifically for BUFR `to_pandas` were found using that search. Let me search for "bufr" in `tests/`.
<channel|><|tool_call>call:run_command{command:<|"|>grep -rn "bufr" tests/<|"|>}<tool_call|><|tool_response>
Generated tokens 65 tokens · stopped: STOP
It seems there are no tests for `to_pandas` with BUFR files. Let me double check `tests/bufr/test_bufr_summary.py`.
It seems there are no tests for `to_pandas` with BUFR files. Let me double check `tests/bufr/test_bufr_summary.py`.
<channel|><|tool_call>call:read_file{filepath:<|"|>tests/bufr/test_bufr_summary.py<|"|>}<tool_call|><|tool_response>
Generated tokens 644 tokens · stopped: STOP
These tests use `f.ls()`, `f.head()`, and `f.tail()`, not `f.to_pandas()`.
`BUFRReader.ls` is:
```python
def ls(self, *args, **kwargs):
from pdbufr.high_level_bufr.bufr import BufrFile
from earthkit.data.utils.summary import ls
b = BufrFile(self.path)
def _proc(keys, n):
# ...
for count, msg in enumerate(b):
with msg:
if count_start <= count < count_end:
yield ({k: msg[k1] for k, k1 in keys.items()})
elif count >= count_end:
break
return ls(_proc, BUFR_LS_KEYS, *args, **kwargs)
```
This does not call `pdbufr.read_bufr` and doesn't seem to use `filters`.
So, the fix is only needed in `to_pandas`.
Let me double check if I should consider any other parallel paths.
The `BUFRReader` is the only reader for BUFR.
Other readers (like `GribReader` or `NetcdfReader`) have their own `to_pandas` implementation.
Let's check if `pdbufr.read_bufr` documentation or usage suggests any other requirement for `filters`.
The issue report says:
"To make it work `filters` must be specified. E.g.: `r = ds.to_pandas(columns=["latitude", "longitude"], filters={})`"
My fix:
```python
if filters is None:
filters = {}
```
This exactly replicates providing `filters={}` when it's not provided.
One last check on the code:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
"""Extracts BUFR data into an pandas DataFranme using :xref:`pdbufr`.
# ...
"""
import pdbufr
if filters is None:
filters = {}
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
Looks good.
I'll run the reproduction again to be 100% sure.
These tests use `f.ls()`, `f.head()`, and `f.tail()`, not `f.to_pandas()`.
`BUFRReader.ls` is:
```python
def ls(self, *args, **kwargs):
from pdbufr.high_level_bufr.bufr import BufrFile
from earthkit.data.utils.summary import ls
b = BufrFile(self.path)
def _proc(keys, n):
# ...
for count, msg in enumerate(b):
with msg:
if count_start <= count < count_end:
yield ({k: msg[k1] for k, k1 in keys.items()})
elif count >= count_end:
break
return ls(_proc, BUFR_LS_KEYS, *args, **kwargs)
```
This does not call `pdbufr.read_bufr` and doesn't seem to use `filters`.
So, the fix is only needed in `to_pandas`.
Let me double check if I should consider any other parallel paths.
The `BUFRReader` is the only reader for BUFR.
Other readers (like `GribReader` or `NetcdfReader`) have their own `to_pandas` implementation.
Let's check if `pdbufr.read_bufr` documentation or usage suggests any other requirement for `filters`.
The issue report says:
"To make it work `filters` must be specified. E.g.: `r = ds.to_pandas(columns=["latitude", "longitude"], filters={})`"
My fix:
```python
if filters is None:
filters = {}
```
This exactly replicates providing `filters={}` when it's not provided.
One last check on the code:
```python
def to_pandas(self, columns=COLUMNS, filters=None, **kwargs):
"""Extracts BUFR data into an pandas DataFranme using :xref:`pdbufr`.
# ...
"""
import pdbufr
if filters is None:
filters = {}
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
```
Looks good.
I'll run the reproduction again to be 100% sure.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
import earthkit.data
try:
ds = earthkit.data.from_source("file", "/workspace/docs/examples/temp_10.bufr")
r = ds.to_pandas(columns=["latitude", "longitude"])
print("Success!")
print(r.head())
except Exception as e:
import traceback
traceback.print_exc()
PY
<|"|>}<tool_call|><|tool_response>
Generated tokens 169 tokens · stopped: STOP
The fix is verified. Now I'll check if there are any other files I should have updated. I've checked `earthkit/data/readers/bufr.py`. I've checked `earthkit/data/sources/file.py` and it just delegates to the reader. The issue report mentioned `git/pdbufr/pdbufr/bufr_structure.py`, but that seems to be inside the `pdbufr` package, which is an external dependency (installed in `site-packages` in the environment, as seen in the traceback). I'll do a `git status --short && git diff` to make sure everything is clean.
The fix is verified. Now I'll check if there are any other files I should have updated.
I've checked `earthkit/data/readers/bufr.py`.
I've checked `earthkit/data/sources/file.py` and it just delegates to the reader.
The issue report mentioned `git/pdbufr/pdbufr/bufr_structure.py`, but that seems to be inside the `pdbufr` package, which is an external dependency (installed in `site-packages` in the environment, as seen in the traceback).
I'll do a `git status --short && git diff` to make sure everything is clean.
<channel|><|tool_call>call:run_command{command:<|"|>git status --short && git diff<|"|>}<tool_call|><|tool_response>
Generated tokens 20 tokens · stopped: STOP
Everything looks correct. I am ready to submit.
Everything looks correct. I am ready to submit.<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..02882e4 100644
--- a/earthkit/data/readers/bufr.py
+++ b/earthkit/data/readers/bufr.py
@@ -62,6 +62,9 @@ class BUFRReader(Reader):
"""
import pdbufr
+ if filters is None:
+ filters = {}
+
return pdbufr.read_bufr(self.path, columns=columns, filters=filters)
def __len__(self):
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-14875cf69320401b8ea908f648f11a50.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 1.39s ===============================
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="1.396" timestamp="2026-11-14T04:30:10.307852+00:00" hostname="506870331ade"><testcase classname="tests.bufr.test_bufr_convert" name="test_bufr_to_pandas_no_filters[_kwargs0]" time="0.441" /><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.
[ 21.2s] 💭 (1017 chars) "The user is reporting a `TypeError: 'NoneType' object is not iterable` in `to_pandas` when
no `filters` argument is spec..."
[ 21.2s] 🔧 run_command grep -rn --include="*.py" "def to_pandas" .
[ 21.3s] → ./earthkit/data/core/statistics.py:71: def to_pandas(self):
[ 25.1s] 💭 (184 chars) "The most relevant one seems to be `./earthkit/data/readers/bufr.py:40: def
to_pandas(self, columns=COLUMNS, filters=N..."
[ 25.1s] 📖 read_file (earthkit/data/readers/bufr.py)
[ 25.1s] ✓ {'status': 'ok', 'filepath': 'earthkit/data/readers/bufr.py', 'content': '# (C) Copyright 2020
ECMWF.\n#\n# This softwar…
[ 80.0s] 💭 (1905 chars) "In `earthkit/data/readers/bufr.py`, the `to_pandas` method is:
```python
def to_pandas(self, columns=COLUMNS, filte..."
[ 80.0s] 🔧 run_command find /workspace -name "*.bufr"
[ 80.1s] → /workspace/docs/examples/temp_10.bufr
[ 90.3s] 💭 (119 chars) "Okay, there is a BUFR file at `/workspace/docs/examples/temp_10.bufr`.
Let's try to reproduce the issue with this file."
[ 90.3s] 🔧 run_command (10 lines) python3 - <<'PY'
[ 91.9s] 🔧
[ 138.0s] 💭 (1610 chars) "The reproduction failed with the exact same error:
`TypeError: 'NoneType' object is not iterable`
at `filters = dict(fil..."
[ 138.0s] ✏️ edit_file (earthkit/data/readers/bufr.py)
[ 138.2s] ✓ {'status': 'ok', 'filepath': 'earthkit/data/readers/bufr.py', 'occurrences': 1, 'strategy': 'exact',
'diff': '--- a/eart…
[ 146.5s] 💭 (25 chars) "Now let's verify the fix."
[ 146.5s] 🔧 run_command (11 lines) python3 - <<'PY'
[ 147.1s] → Success!
[ 167.2s] 💭 (785 chars) "The reproduction now succeeds.
Now I should check if there are other places where `to_pandas` is called for BUFR files...."
[ 167.2s] 🔧 run_command grep -rn "pdbufr" .
[ 167.3s] → ./setup.cfg:32: pdbufr
[ 174.2s] 💭 (203 chars) "It seems `pdbufr` is only used in `earthkit/data/readers/bufr.py`.
Now let's check if there are any existing tests for ..."
[ 174.2s] 🔧 run_command grep -rn "to_pandas" tests/ | grep "bufr"
[ 174.2s] → error (exit 0):
[ 180.2s] 💭 (110 chars) "No tests specifically for BUFR `to_pandas` were found using that search. Let me search for
"bufr" in `tests/`."
[ 180.2s] 🔧 run_command grep -rn "bufr" tests/
[ 180.2s] → tests/sources/test_url.py:59:
"https://get.ecmwf.int/repository/test-data/earthkit-data/test-data/temp.bufr",
[ 183.4s] 💭 (115 chars) "It seems there are no tests for `to_pandas` with BUFR files. Let me double check
`tests/bufr/test_bufr_summary.py`."
[ 183.4s] 📖 read_file (tests/bufr/test_bufr_summary.py)
[ 183.4s] ✓ {'status': 'ok', 'filepath': 'tests/bufr/test_bufr_summary.py', 'content': '#!/usr/bin/env python3\n\n#
(C) Copyright 20…
[ 219.5s] 💭 (1810 chars) "These tests use `f.ls()`, `f.head()`, and `f.tail()`, not `f.to_pandas()`.
`BUFRReader.ls` is:
```python
def ls(self..."
[ 219.5s] 🔧 run_command (11 lines) python3 - <<'PY'
[ 220.1s] → Success!
[ 234.3s] 💭 (518 chars) "The fix is verified. Now I'll check if there are any other files I should have updated.
I've checked `earthkit/data/read..."
[ 234.3s] 🔧 run_command git status --short && git diff
[ 234.3s] → M earthkit/data/readers/bufr.py
[ 236.1s] 💭 (47 chars) "Everything looks correct. I am ready to submit."
[ 236.1s] 🤖 submit_patch
[ 236.2s] → submit_patch: {"status": "ok", "patch_size": 420, "files_changed": 1}
[ 243.8s] ✅ Agent finished: I have resolved the issue where calling `to_pandas()` on a BUFR dataset without
specifying the `filters` argument resulted in a `TypeError: 'NoneType' object is not iterable`. The root cause was that
...
Native result row
{
"agent_error": null,
"duration_seconds": 252.66,
"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": 420,
"phase1_seconds": 250.11,
"repo": "ecmwf/earthkit-data",
"request_log_path": "/kaggle-root/working/r31/rollouts_X/requests/ecmwf__earthkit-data-111__p0__r0.jsonl",
"resolved": true,
"rollout_idx": 0,
"run_key": "ecmwf__earthkit-data-111__p0__r0",
"strict_clean_patch": true,
"tool_calls": 12,
"total_llm_calls": 14,
"trace_path": "/kaggle-root/working/r31/rollouts_X/traces/trace_ecmwf__earthkit-data-111__p0__r0.json"
}