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authorJason R. Coombs <jaraco@jaraco.com>2015-11-28 13:21:54 -0500
committerJason R. Coombs <jaraco@jaraco.com>2015-11-28 13:21:54 -0500
commit87ceb61bbb4a668539111efd84c5e0de7649e097 (patch)
tree7021a8574f403e310c9b46d7c94461ba99c819ca
parent653987e5827beb668a2b32d9512fc7b238576155 (diff)
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Add docstring
-rw-r--r--pkg_resources/__init__.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg_resources/__init__.py b/pkg_resources/__init__.py
index 9a3ca36c..e4decac3 100644
--- a/pkg_resources/__init__.py
+++ b/pkg_resources/__init__.py
@@ -2467,6 +2467,10 @@ def _remove_md5_fragment(location):
def _version_from_file(lines):
+ """
+ Given an iterable of lines from a Metadata file, return
+ the value of the Version field, if present, or None otherwise.
+ """
is_version_line = lambda line: line.lower().startswith('version:')
version_lines = filter(is_version_line, lines)
line = next(iter(version_lines), '')