build of python3 snap fails with 'error: option --single-version-externally-managed not recognized'
Metadata
Current evaluation
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Closed without resolution. The snapcraft pip flag compatibility issue was abandoned due to inactivity and likely superseded by updated snapcraft and pip versions.
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Issue body
I'm attempting to repackage a desktop app (unity-tweak-tool in this case) as a snap, however 'snapcraft build' always fails with this error:
error: option --single-version-externally-managed not recognized
As far as I can tell this has something to do with the way pip install is being called by snapcraft, but I'm not completely sure.
Evaluation history
| Date | Model | Scores | Action | Summary |
|---|---|---|---|---|
| qwen/qwen3.6-35b-a3b | — | — | Closed without resolution. The snapcraft pip flag compatibility issue was abandoned due to inactivity and likely superseded by updated snapcraft and pip versions. | |
| qwen/qwen3.6-35b-a3b | — | — | Closed without resolution. The python3 snap build failure caused by the unrecognized pip flag was abandoned or superseded by newer snapcraft and pip releases that removed the deprecated option. | |
| qwen3.6-35b-a3b-mtp-q6 | — | — | The python3 snap build failure due to an unrecognized pip flag was closed without resolution. No comments, patches, or workarounds were provided. |
Update history
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Related issues
| Issue | Project | State | Summary | Similarity |
|---|---|---|---|---|
| #1499429 snapcraft dies with "export: python3.5/dist-packages: bad variable name" | snapcraft (launchpad) | closed | Closed without resolution due to inactivity. Snapcraft crashes when py3versions returns multiple Python versions, generating a malformed PYTHONPATH that breaks the export command. | |
| #1507357 Fail to build snap python3 distutils project | snapcraft (launchpad) | closed | Closed without resolution. The snap build failure for Python3 distutils projects, caused by a missing usr/bin/python3 path, appears abandoned due to zero comments and extended inactivity. |