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authorJason R. Coombs <jaraco@jaraco.com>2013-02-16 02:13:45 -0500
committerJason R. Coombs <jaraco@jaraco.com>2013-02-16 02:13:45 -0500
commitb5cd47fbd96ae900dd835b68484084ab1219f260 (patch)
tree1fac3914b18177434274b291e72c61a6b0595ba3 /pkg_resources.py
parent5f738c54a3de45e1f44321eb8e27cfe10ce97e90 (diff)
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Backed out changeset: d0a8d1a83053
In the discussion in #278, it became clear that the deviance in behavior from setuptools is problemmatic. For compatibility, defer to the setuptools version scheme as specifically intended. --HG-- branch : distribute extra : rebase_source : 1d5cc8c216f974b247e2dc84d8d40c868d6d3639
Diffstat (limited to 'pkg_resources.py')
-rw-r--r--pkg_resources.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/pkg_resources.py b/pkg_resources.py
index 49aab675..69601480 100644
--- a/pkg_resources.py
+++ b/pkg_resources.py
@@ -1936,7 +1936,7 @@ replace = {'pre':'c', 'preview':'c','-':'final-','rc':'c','dev':'@'}.get
def _parse_version_parts(s):
for part in component_re.split(s):
part = replace(part,part)
- if part in ['', '.']:
+ if not part or part=='.':
continue
if part[:1] in '0123456789':
yield part.zfill(8) # pad for numeric comparison
@@ -1979,6 +1979,8 @@ def parse_version(s):
parts = []
for part in _parse_version_parts(s.lower()):
if part.startswith('*'):
+ if part<'*final': # remove '-' before a prerelease tag
+ while parts and parts[-1]=='*final-': parts.pop()
# remove trailing zeros from each series of numeric parts
while parts and parts[-1]=='00000000':
parts.pop()