diff options
Diffstat (limited to 'synapse/util/check_dependencies.py')
| -rw-r--r-- | synapse/util/check_dependencies.py | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/synapse/util/check_dependencies.py b/synapse/util/check_dependencies.py index 12cd804939..66f1da7502 100644 --- a/synapse/util/check_dependencies.py +++ b/synapse/util/check_dependencies.py @@ -128,6 +128,19 @@ def _incorrect_version( ) +def _no_reported_version(requirement: Requirement, extra: Optional[str] = None) -> str: + if extra: + return ( + f"Synapse {VERSION} needs {requirement} for {extra}, " + f"but can't determine {requirement.name}'s version" + ) + else: + return ( + f"Synapse {VERSION} needs {requirement}, " + f"but can't determine {requirement.name}'s version" + ) + + def check_requirements(extra: Optional[str] = None) -> None: """Check Synapse's dependencies are present and correctly versioned. @@ -163,8 +176,17 @@ def check_requirements(extra: Optional[str] = None) -> None: deps_unfulfilled.append(requirement.name) errors.append(_not_installed(requirement, extra)) else: + if dist.version is None: + # This shouldn't happen---it suggests a borked virtualenv. (See #12223) + # Try to give a vaguely helpful error message anyway. + # Type-ignore: the annotations don't reflect reality: see + # https://github.com/python/typeshed/issues/7513 + # https://bugs.python.org/issue47060 + deps_unfulfilled.append(requirement.name) # type: ignore[unreachable] + errors.append(_no_reported_version(requirement, extra)) + # We specify prereleases=True to allow prereleases such as RCs. - if not requirement.specifier.contains(dist.version, prereleases=True): + elif not requirement.specifier.contains(dist.version, prereleases=True): deps_unfulfilled.append(requirement.name) errors.append(_incorrect_version(requirement, dist.version, extra)) |