本文整理汇总了Python中pip._vendor.pkg_resources.Requirement.parse方法的典型用法代码示例。如果您正苦于以下问题：Python Requirement.parse方法的具体用法？Python Requirement.parse怎么用？Python Requirement.parse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.pkg_resources.Requirement的用法示例。
在下文中一共展示了Requirement.parse方法的2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: check_requirements
# 需要导入模块: from pip._vendor.pkg_resources import Requirement [as 别名]
# 或者: from pip._vendor.pkg_resources.Requirement import parse [as 别名]
def check_requirements(self, reqs):
# type: (Iterable[str]) -> Tuple[Set[Tuple[str, str]], Set[str]]
"""Return 2 sets:
- conflicting requirements: set of (installed, wanted) reqs tuples
- missing requirements: set of reqs
"""
missing = set()
conflicting = set()
if reqs:
ws = WorkingSet(self._lib_dirs)
for req in reqs:
try:
if ws.find(Requirement.parse(req)) is None:
missing.add(req)
except VersionConflict as e:
conflicting.add((str(e.args[0].as_requirement()),
str(e.args[1])))
return conflicting, missing 示例2: missing_requirements
# 需要导入模块: from pip._vendor.pkg_resources import Requirement [as 别名]
# 或者: from pip._vendor.pkg_resources.Requirement import parse [as 别名]
def missing_requirements(self, reqs):
"""Return a list of the requirements from reqs that are not present
"""
missing = []
with self:
ws = WorkingSet(os.environ["PYTHONPATH"].split(os.pathsep))
for req in reqs:
try:
if ws.find(Requirement.parse(req)) is None:
missing.append(req)
except VersionConflict:
missing.append(req)
return missing