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Fix error message for optional dependencies 

Signed-off-by: Willem Mulder <willemmaster@hotmail.com>
This commit is contained in:
Willem Mulder 2019-01-23 18:41:59 +01:00
parent 6b90ae6efc
commit d528406cb8
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: for dependency in OPTS:
try: try:
_get_distribution(dependency) _get_distribution(dependency)
except VersionConflict: except VersionConflict as e:
deps_needed.append(dependency) 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: except DistributionNotFound:
# If it's not found, we don't care # If it's not found, we don't care
pass pass