Poodletooth-iLand/panda/python/Lib/site-packages/pip-6.0.8-py2.7.egg/pip/req/req_requirement.py
2015-03-06 06:11:40 -06:00

43 lines
1.3 KiB
Python

from pip._vendor.packaging.version import parse as parse_version
class InstallationCandidate(object):
def __init__(self, project, version, location):
self.project = project
self.version = parse_version(version)
self.location = location
self._key = (self.project, self.version, self.location)
def __repr__(self):
return "<InstallationCandidate({0!r}, {1!r}, {2!r})>".format(
self.project, self.version, self.location,
)
def __hash__(self):
return hash(self._key)
def __lt__(self, other):
return self._compare(other, lambda s, o: s < o)
def __le__(self, other):
return self._compare(other, lambda s, o: s <= o)
def __eq__(self, other):
return self._compare(other, lambda s, o: s == o)
def __ge__(self, other):
return self._compare(other, lambda s, o: s >= o)
def __gt__(self, other):
return self._compare(other, lambda s, o: s > o)
def __ne__(self, other):
return self._compare(other, lambda s, o: s != o)
def _compare(self, other, method):
if not isinstance(other, InstallationCandidate):
return NotImplemented
return method(self._key, other._key)