diff options
Diffstat (limited to 'pkg_resources')
| -rw-r--r-- | pkg_resources/__init__.py | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/pkg_resources/__init__.py b/pkg_resources/__init__.py index 2c589d55..c40f184a 100644 --- a/pkg_resources/__init__.py +++ b/pkg_resources/__init__.py @@ -1378,7 +1378,7 @@ def evaluate_marker(text, extra=None): marker = packaging.markers.Marker(text) return marker.evaluate() except packaging.markers.InvalidMarker as e: - raise SyntaxError(e) + raise SyntaxError(e) from e class NullProvider: @@ -2287,8 +2287,8 @@ def declare_namespace(packageName): __import__(parent) try: path = sys.modules[parent].__path__ - except AttributeError: - raise TypeError("Not a package:", parent) + except AttributeError as e: + raise TypeError("Not a package:", parent) from e # Track what packages are namespaces, so when new path items are added, # they can be updated @@ -2468,7 +2468,7 @@ class EntryPoint: try: return functools.reduce(getattr, self.attrs, module) except AttributeError as exc: - raise ImportError(str(exc)) + raise ImportError(str(exc)) from exc def require(self, env=None, installer=None): if self.extras and not self.dist: @@ -2688,14 +2688,14 @@ class Distribution: def version(self): try: return self._version - except AttributeError: + except AttributeError as e: version = self._get_version() if version is None: path = self._get_metadata_path_for_display(self.PKG_INFO) msg = ( "Missing 'Version:' header and/or {} file at path: {}" ).format(self.PKG_INFO, path) - raise ValueError(msg, self) + raise ValueError(msg, self) from e return version @@ -2748,10 +2748,10 @@ class Distribution: for ext in extras: try: deps.extend(dm[safe_extra(ext)]) - except KeyError: + except KeyError as e: raise UnknownExtra( "%s has no such extra feature %r" % (self, ext) - ) + ) from e return deps def _get_metadata_path_for_display(self, name): @@ -3109,7 +3109,7 @@ class Requirement(packaging.requirements.Requirement): try: super(Requirement, self).__init__(requirement_string) except packaging.requirements.InvalidRequirement as e: - raise RequirementParseError(str(e)) + raise RequirementParseError(str(e)) from e self.unsafe_name = self.name project_name = safe_name(self.name) self.project_name, self.key = project_name, project_name.lower() |