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118 lines
4.1 KiB
Python
118 lines
4.1 KiB
Python
4 years ago
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from __future__ import absolute_import, unicode_literals
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from abc import ABCMeta
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from six import add_metaclass
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from virtualenv.util.path import Path
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from virtualenv.util.six import ensure_str, ensure_text
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from ..seeder import Seeder
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from ..wheels import Version
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PERIODIC_UPDATE_ON_BY_DEFAULT = True
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@add_metaclass(ABCMeta)
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class BaseEmbed(Seeder):
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def __init__(self, options):
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super(BaseEmbed, self).__init__(options, enabled=options.no_seed is False)
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self.download = options.download
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self.extra_search_dir = [i.resolve() for i in options.extra_search_dir if i.exists()]
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self.pip_version = options.pip
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self.setuptools_version = options.setuptools
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self.wheel_version = options.wheel
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self.no_pip = options.no_pip
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self.no_setuptools = options.no_setuptools
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self.no_wheel = options.no_wheel
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self.app_data = options.app_data
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self.periodic_update = not options.no_periodic_update
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if not self.distribution_to_versions():
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self.enabled = False
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@classmethod
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def distributions(cls):
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return {
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"pip": Version.bundle,
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"setuptools": Version.bundle,
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"wheel": Version.bundle,
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}
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def distribution_to_versions(self):
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return {
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distribution: getattr(self, "{}_version".format(distribution))
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for distribution in self.distributions()
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if getattr(self, "no_{}".format(distribution)) is False
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}
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@classmethod
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def add_parser_arguments(cls, parser, interpreter, app_data):
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group = parser.add_mutually_exclusive_group()
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group.add_argument(
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"--no-download",
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"--never-download",
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dest="download",
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action="store_false",
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help="pass to disable download of the latest {} from PyPI".format("/".join(cls.distributions())),
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default=True,
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)
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group.add_argument(
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"--download",
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dest="download",
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action="store_true",
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help="pass to enable download of the latest {} from PyPI".format("/".join(cls.distributions())),
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default=False,
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)
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parser.add_argument(
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"--extra-search-dir",
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metavar="d",
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type=Path,
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nargs="+",
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help="a path containing wheels to extend the internal wheel list (can be set 1+ times)",
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default=[],
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)
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for distribution, default in cls.distributions().items():
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parser.add_argument(
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"--{}".format(distribution),
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dest=distribution,
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metavar="version",
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help="version of {} to install as seed: embed, bundle or exact version".format(distribution),
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default=default,
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)
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for distribution in cls.distributions():
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parser.add_argument(
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"--no-{}".format(distribution),
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dest="no_{}".format(distribution),
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action="store_true",
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help="do not install {}".format(distribution),
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default=False,
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)
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parser.add_argument(
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"--no-periodic-update",
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dest="no_periodic_update",
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action="store_true",
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help="disable the periodic (once every 14 days) update of the embedded wheels",
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default=not PERIODIC_UPDATE_ON_BY_DEFAULT,
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)
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def __unicode__(self):
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result = self.__class__.__name__
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result += "("
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if self.extra_search_dir:
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result += "extra_search_dir={},".format(", ".join(ensure_text(str(i)) for i in self.extra_search_dir))
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result += "download={},".format(self.download)
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for distribution in self.distributions():
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if getattr(self, "no_{}".format(distribution)):
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continue
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result += " {}{},".format(
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distribution, "={}".format(getattr(self, "{}_version".format(distribution), None) or "latest"),
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)
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return result[:-1] + ")"
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def __repr__(self):
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return ensure_str(self.__unicode__())
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