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-rw-r--r--pkg_resources/__init__.py18
1 files changed, 14 insertions, 4 deletions
diff --git a/pkg_resources/__init__.py b/pkg_resources/__init__.py
index f6666968..f13a69b3 100644
--- a/pkg_resources/__init__.py
+++ b/pkg_resources/__init__.py
@@ -1553,7 +1553,7 @@ class EggProvider(NullProvider):
path = self.module_path
old = None
while path != old:
- if _is_unpacked_egg(path):
+ if _is_egg_path(path):
self.egg_name = os.path.basename(path)
self.egg_info = os.path.join(path, 'EGG-INFO')
self.egg_root = path
@@ -1956,7 +1956,7 @@ def find_eggs_in_zip(importer, path_item, only=False):
# don't yield nested distros
return
for subitem in metadata.resource_listdir('/'):
- if _is_unpacked_egg(subitem):
+ if _is_egg_path(subitem):
subpath = os.path.join(path_item, subitem)
for dist in find_eggs_in_zip(zipimport.zipimporter(subpath), subpath):
yield dist
@@ -2033,7 +2033,7 @@ def find_on_path(importer, path_item, only=False):
yield Distribution.from_location(
path_item, entry, metadata, precedence=DEVELOP_DIST
)
- elif not only and _is_unpacked_egg(entry):
+ elif not only and _is_egg_path(entry):
dists = find_distributions(os.path.join(path_item, entry))
for dist in dists:
yield dist
@@ -2221,12 +2221,22 @@ def _normalize_cached(filename, _cache={}):
return result
+def _is_egg_path(path):
+ """
+ Determine if given path appears to be an egg.
+ """
+ return (
+ path.lower().endswith('.egg')
+ )
+
+
def _is_unpacked_egg(path):
"""
Determine if given path appears to be an unpacked egg.
"""
return (
- path.lower().endswith('.egg')
+ _is_egg_path(path) and
+ os.path.isfile(os.path.join(path, 'EGG-INFO', 'PKG-INFO'))
)