本文整理匯總了Python中pip._vendor._markerlib.compile方法的典型用法代碼示例。如果您正苦於以下問題：Python _markerlib.compile方法的具體用法？Python _markerlib.compile怎麽用？Python _markerlib.compile使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類pip._vendor._markerlib的用法示例。
在下文中一共展示了_markerlib.compile方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: _compute_dependencies
# 需要導入模塊: from pip._vendor import _markerlib [as 別名]
# 或者: from pip._vendor._markerlib import compile [as 別名]
def _compute_dependencies(self):
"""Recompute this distribution's dependencies."""
from pip._vendor._markerlib import compile as compile_marker
dm = self.__dep_map = {None: []}
reqs = []
# Including any condition expressions
for req in self._parsed_pkg_info.get_all('Requires-Dist') or []:
distvers, mark = self._preparse_requirement(req)
parsed = next(parse_requirements(distvers))
parsed.marker_fn = compile_marker(mark)
reqs.append(parsed)
def reqs_for_extra(extra):
for req in reqs:
if req.marker_fn(override={'extra':extra}):
yield req
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(frozenset(reqs_for_extra(extra)) - common)
return dm