[compat_utils] Simplify EnhancedModule
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acb1042a9f
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2 changed files with 7 additions and 19 deletions
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@ -28,20 +28,6 @@ def _is_dunder(name):
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class EnhancedModule(types.ModuleType):
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def __new__(cls, name, *args, **kwargs):
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if name not in sys.modules:
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return super().__new__(cls, name, *args, **kwargs)
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assert not args and not kwargs, 'Cannot pass additional arguments to an existing module'
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module = sys.modules[name]
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module.__class__ = cls
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return module
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def __init__(self, name, *args, **kwargs):
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# Prevent __new__ from trigerring __init__ again
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if name not in sys.modules:
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super().__init__(name, *args, **kwargs)
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def __bool__(self):
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return vars(self).get('__bool__', lambda: True)()
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@ -60,8 +46,6 @@ class EnhancedModule(types.ModuleType):
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def passthrough_module(parent, child, allowed_attributes=(..., ), *, callback=lambda _: None):
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"""Passthrough parent module into a child module, creating the parent if necessary"""
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parent = EnhancedModule(parent)
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def __getattr__(attr):
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if _is_package(parent):
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with contextlib.suppress(ImportError):
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@ -93,5 +77,7 @@ def passthrough_module(parent, child, allowed_attributes=(..., ), *, callback=la
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return _NO_ATTRIBUTE
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parent = sys.modules.get(parent, types.ModuleType(parent))
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parent.__class__ = EnhancedModule
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parent.__getattr__ = __getattr__
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return parent
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@ -1,5 +1,7 @@
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import types
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from ..compat import functools
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from ..compat.compat_utils import EnhancedModule, passthrough_module
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from ..compat.compat_utils import passthrough_module
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try:
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import Cryptodome as _parent
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@ -7,11 +9,11 @@ except ImportError:
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try:
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import Crypto as _parent
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except (ImportError, SyntaxError): # Old Crypto gives SyntaxError in newer Python
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_parent = EnhancedModule('Cryptodome')
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_parent = types.ModuleType('no_Cryptodome')
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__bool__ = lambda: False
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passthrough_module(__name__, _parent, (..., '__version__'))
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del passthrough_module, EnhancedModule
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del passthrough_module
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@property
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