本文整理汇总了Python中pip._vendor._markerlib.compile方法的典型用法代码示例。如果您正苦于以下问题：Python _markerlib.compile方法的具体用法？Python _markerlib.compile怎么用？Python _markerlib.compile使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pip._vendor._markerlib的用法示例。
在下文中一共展示了_markerlib.compile方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _compute_dependencies
# 需要导入模块: from pip._vendor import _markerlib [as 别名]
# 或者: from pip._vendor._markerlib import compile [as 别名]
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