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author | Daniel Holth <dholth@fastmail.fm> | 2012-07-23 22:31:07 -0400 |
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committer | Daniel Holth <dholth@fastmail.fm> | 2012-07-23 22:31:07 -0400 |
commit | 977f4db35a9390a3e10cd184f69fb2d42886b639 (patch) | |
tree | 41df347dce3533a1cc766f33519c34a04b3bb358 | |
parent | f8d45b50bfcafabe759183e716059a2e2f702420 (diff) | |
download | external_python_setuptools-977f4db35a9390a3e10cd184f69fb2d42886b639.tar.gz external_python_setuptools-977f4db35a9390a3e10cd184f69fb2d42886b639.tar.bz2 external_python_setuptools-977f4db35a9390a3e10cd184f69fb2d42886b639.zip |
use frozenset; 'empty marker' heuristic
--HG--
branch : distribute
extra : rebase_source : ebe5e94ea2a4dbea2754bef5d056f65f85fe6423
-rw-r--r-- | pkg_resources.py | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/pkg_resources.py b/pkg_resources.py index 27b9f834..ca0f21c4 100644 --- a/pkg_resources.py +++ b/pkg_resources.py @@ -2484,7 +2484,8 @@ class DistInfoDistribution(Distribution): """Recompute this distribution's dependencies.""" def dummy_marker(marker): def marker_fn(environment=None, override=None): - return True + # 'empty markers are True' heuristic won't install extra deps. + return not marker.strip() marker_fn.__doc__ = marker return marker_fn try: @@ -2506,12 +2507,12 @@ class DistInfoDistribution(Distribution): if req.marker_fn(override={'extra':extra}): yield req - common = set(reqs_for_extra(None)) + common = frozenset(reqs_for_extra(None)) dm[None].extend(common) for extra in self._parsed_pkg_info.get_all('Provides-Extra') or []: extra = safe_extra(extra.strip()) - dm[extra] = list(set(reqs_for_extra(extra)) - common) + dm[extra] = list(frozenset(reqs_for_extra(extra)) - common) return dm |