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Merge pull request #4450 from 14mRh4X0r/fix-dependency-message

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Fix error message for optional dependencies
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Richard van der Hoff 2019-02-13 16:12:49 +00:00 committed by GitHub
commit c6e75c9f2d
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2 changed files with 7 additions and 2 deletions
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2
changelog.d/4450.bugfix Normal file
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@ -0,0 +1,2 @@
The dependency checker now correctly reports a version mismatch for optional
dependencies, instead of reporting the dependency missing.

7
synapse/python_dependencies.py
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@ -143,9 +143,12 @@ def check_requirements(for_feature=None, _get_distribution=get_distribution):
for dependency in OPTS:
try:
_get_distribution(dependency)
except VersionConflict:
except VersionConflict as e:
deps_needed.append(dependency)
errors.append("Needed %s but it was not installed" % (dependency,))
errors.append(
"Needed optional %s, got %s==%s"
% (dependency, e.dist.project_name, e.dist.version)
)
except DistributionNotFound:
# If it's not found, we don't care
pass