ggtracker / ggtracker/sc2reader

Cannot load reply with load_game_summary

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Dominant language
Python
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Description

summary = sc2reader.load_game_summary(replay_file)

I get the following error

summary = sc2reader.load_game_summary(replay_file)

File "C:\Users\ASUS\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\sc2reader\factories\sc2factory.py", line 113, in load_game_summary
return self.load(GameSummary, source, options, **new_options)
File "C:\Users\ASUS\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\sc2reader\factories\sc2factory.py", line 143, in load
return self._load(cls, resource, filename=filename, options=options)
File "C:\Users\ASUS\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\sc2reader\factories\sc2factory.py", line 152, in _load
obj = cls(resource, filename=filename, factory=self, **options)
File "C:\Users\ASUS\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\sc2reader\resources.py", line 1079, in init
buffer = BitPackedDecoder(zlib.decompress(summary_file.read()[16:]))
zlib.error: Error -3 while decompressing data: incorrect header check

It's happening with all my replays.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with factories/sc2factory.py and resources.py, especially the load_game_summary path and the BitPackedDecoder call shown in the traceback. Reproduce the failure with a representative replay and inspect the summary data passed to zlib; done means load_game_summary succeeds for the affected replays without the decompression error.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
data
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
25/100

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