本文整理汇总了Python中_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_markerlib的用法示例。
在下文中一共展示了_markerlib.compile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: _compute_dependencies
# 需要导入模块: import _markerlib [as 别名]
# 或者: from _markerlib import compile [as 别名]
def _compute_dependencies(self):
"""Recompute this distribution's dependencies."""
from _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 示例2: test_markers
# 需要导入模块: import _markerlib [as 别名]
# 或者: from _markerlib import compile [as 别名]
def test_markers(self):
from _markerlib import interpret, default_environment, compile
os_name = os.name
self.assertTrue(interpret(""))
self.assertTrue(interpret("os.name != 'buuuu'"))
self.assertTrue(interpret("os_name != 'buuuu'"))
self.assertTrue(interpret("python_version > '1.0'"))
self.assertTrue(interpret("python_version < '5.0'"))
self.assertTrue(interpret("python_version <= '5.0'"))
self.assertTrue(interpret("python_version >= '1.0'"))
self.assertTrue(interpret("'%s' in os.name" % os_name))
self.assertTrue(interpret("'%s' in os_name" % os_name))
self.assertTrue(interpret("'buuuu' not in os.name"))
self.assertFalse(interpret("os.name == 'buuuu'"))
self.assertFalse(interpret("os_name == 'buuuu'"))
self.assertFalse(interpret("python_version < '1.0'"))
self.assertFalse(interpret("python_version > '5.0'"))
self.assertFalse(interpret("python_version >= '5.0'"))
self.assertFalse(interpret("python_version <= '1.0'"))
self.assertFalse(interpret("'%s' not in os.name" % os_name))
self.assertFalse(interpret("'buuuu' in os.name and python_version >= '5.0'"))
self.assertFalse(interpret("'buuuu' in os_name and python_version >= '5.0'"))
environment = default_environment()
environment['extra'] = 'test'
self.assertTrue(interpret("extra == 'test'", environment))
self.assertFalse(interpret("extra == 'doc'", environment))
def raises_nameError():
try:
interpret("python.version == '42'")
except NameError:
pass
else:
raise Exception("Expected NameError")
raises_nameError()
def raises_syntaxError():
try:
interpret("(x for x in (4,))")
except SyntaxError:
pass
else:
raise Exception("Expected SyntaxError")
raises_syntaxError()
statement = "python_version == '5'"
self.assertEqual(compile(statement).__doc__, statement)