本文整理汇总了Python中pkgutil.iter_importers方法的典型用法代码示例。如果您正苦于以下问题：Python pkgutil.iter_importers方法的具体用法？Python pkgutil.iter_importers怎么用？Python pkgutil.iter_importers使用的例子？那么, 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pkgutil的用法示例。
在下文中一共展示了pkgutil.iter_importers方法的4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: dcs_modules
# 需要导入模块: import pkgutil [as 别名]
# 或者: from pkgutil import iter_importers [as 别名]
def dcs_modules():
"""Get names of DCS modules, depending on execution environment. If being packaged with PyInstaller,
modules aren't discoverable dynamically by scanning source directory because `FrozenImporter` doesn't
implement `iter_modules` method. But it is still possible to find all potential DCS modules by
iterating through `toc`, which contains list of all "frozen" resources."""
dcs_dirname = os.path.dirname(__file__)
module_prefix = __package__ + '.'
if getattr(sys, 'frozen', False):
toc = set()
for importer in pkgutil.iter_importers(dcs_dirname):
if hasattr(importer, 'toc'):
toc |= importer.toc
return [module for module in toc if module.startswith(module_prefix) and module.count('.') == 2]
else:
return [module_prefix + name for _, name, is_pkg in pkgutil.iter_modules([dcs_dirname]) if not is_pkg] 示例2: _walk_pyinstaller
# 需要导入模块: import pkgutil [as 别名]
# 或者: from pkgutil import iter_importers [as 别名]
def _walk_pyinstaller() -> typing.Iterator[ExtensionInfo]:
"""Walk extensions when using PyInstaller.
See https://github.com/pyinstaller/pyinstaller/issues/1905
Inspired by:
https://github.com/webcomics/dosage/blob/master/dosagelib/loader.py
"""
toc = set() # type: typing.Set[str]
for importer in pkgutil.iter_importers('qutebrowser'):
if hasattr(importer, 'toc'):
toc |= importer.toc
for name in toc:
if name.startswith(components.__name__ + '.'):
yield ExtensionInfo(name=name) 示例3: test_iter_importers_avoids_emulation
# 需要导入模块: import pkgutil [as 别名]
# 或者: from pkgutil import iter_importers [as 别名]
def test_iter_importers_avoids_emulation(self):
with check_warnings() as w:
for importer in pkgutil.iter_importers(): pass
self.assertEqual(len(w.warnings), 0) 示例4: test_iter_importers
# 需要导入模块: import pkgutil [as 别名]
# 或者: from pkgutil import iter_importers [as 别名]
def test_iter_importers(self):
iter_importers = pkgutil.iter_importers
get_importer = pkgutil.get_importer
pkgname = 'spam'
modname = 'eggs'
dirname = self.create_init(pkgname)
pathitem = os.path.join(dirname, pkgname)
fullname = '{}.{}'.format(pkgname, modname)
sys.modules.pop(fullname, None)
sys.modules.pop(pkgname, None)
try:
self.create_submodule(dirname, pkgname, modname, 0)
importlib.import_module(fullname)
importers = list(iter_importers(fullname))
expected_importer = get_importer(pathitem)
for finder in importers:
spec = pkgutil._get_spec(finder, fullname)
loader = spec.loader
try:
loader = loader.loader
except AttributeError:
# For now we still allow raw loaders from
# find_module().
pass
self.assertIsInstance(finder, importlib.machinery.FileFinder)
self.assertEqual(finder, expected_importer)
self.assertIsInstance(loader,
importlib.machinery.SourceFileLoader)
self.assertIsNone(pkgutil._get_spec(finder, pkgname))
with self.assertRaises(ImportError):
list(iter_importers('invalid.module'))
with self.assertRaises(ImportError):
list(iter_importers('.spam'))
finally:
shutil.rmtree(dirname)
del sys.path[0]
try:
del sys.modules['spam']
del sys.modules['spam.eggs']
except KeyError:
pass