def mk_awaitable():
from abc import abstractmethod, ABCMeta
@abstractmethod
def __await__(self):
yield
@classmethod
def __subclasshook__(cls, C):
if cls is Awaitable:
for B in C.__mro__:
if '__await__' in B.__dict__:
if B.__dict__['__await__']:
return True
break
return NotImplemented
# calling metaclass directly as syntax differs in Py2/Py3
Awaitable = ABCMeta('Awaitable', (), {
'__slots__': (),
'__await__': __await__,
'__subclasshook__': __subclasshook__,
})
return Awaitable
python类Awaitable()的实例源码
def mk_awaitable():
from abc import abstractmethod, ABCMeta
@abstractmethod
def __await__(self):
yield
@classmethod
def __subclasshook__(cls, C):
if cls is Awaitable:
for B in C.__mro__:
if '__await__' in B.__dict__:
if B.__dict__['__await__']:
return True
break
return NotImplemented
# calling metaclass directly as syntax differs in Py2/Py3
Awaitable = ABCMeta('Awaitable', (), {
'__slots__': (),
'__await__': __await__,
'__subclasshook__': __subclasshook__,
})
return Awaitable
def mk_awaitable():
from abc import abstractmethod, ABCMeta
@abstractmethod
def __await__(self):
yield
@classmethod
def __subclasshook__(cls, C):
if cls is Awaitable:
for B in C.__mro__:
if '__await__' in B.__dict__:
if B.__dict__['__await__']:
return True
break
return NotImplemented
# calling metaclass directly as syntax differs in Py2/Py3
Awaitable = ABCMeta('Awaitable', (), {
'__slots__': (),
'__await__': __await__,
'__subclasshook__': __subclasshook__,
})
return Awaitable
backports_abc.py 文件源码
项目：My-Web-Server-Framework-With-Python2.7
作者: syjsu
项目源码
文件源码
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def mk_awaitable():
from abc import abstractmethod, ABCMeta
@abstractmethod
def __await__(self):
yield
@classmethod
def __subclasshook__(cls, C):
if cls is Awaitable:
for B in C.__mro__:
if '__await__' in B.__dict__:
if B.__dict__['__await__']:
return True
break
return NotImplemented
# calling metaclass directly as syntax differs in Py2/Py3
Awaitable = ABCMeta('Awaitable', (), {
'__slots__': (),
'__await__': __await__,
'__subclasshook__': __subclasshook__,
})
return Awaitable
def mk_awaitable():
from abc import abstractmethod, ABCMeta
@abstractmethod
def __await__(self):
yield
@classmethod
def __subclasshook__(cls, C):
if cls is Awaitable:
for B in C.__mro__:
if '__await__' in B.__dict__:
if B.__dict__['__await__']:
return True
break
return NotImplemented
# calling metaclass directly as syntax differs in Py2/Py3
Awaitable = ABCMeta('Awaitable', (), {
'__slots__': (),
'__await__': __await__,
'__subclasshook__': __subclasshook__,
})
return Awaitable
def mk_awaitable():
from abc import abstractmethod, ABCMeta
@abstractmethod
def __await__(self):
yield
@classmethod
def __subclasshook__(cls, C):
if cls is Awaitable:
for B in C.__mro__:
if '__await__' in B.__dict__:
if B.__dict__['__await__']:
return True
break
return NotImplemented
# calling metaclass directly as syntax differs in Py2/Py3
Awaitable = ABCMeta('Awaitable', (), {
'__slots__': (),
'__await__': __await__,
'__subclasshook__': __subclasshook__,
})
return Awaitable
def isawaitable(obj):
return isinstance(obj, Awaitable)
###
# allow patching the stdlib
def patch(patch_inspect=True):
"""
Main entry point for patching the ``collections.abc`` and ``inspect``
standard library modules.
"""
PATCHED['collections.abc.Generator'] = _collections_abc.Generator = Generator
PATCHED['collections.abc.Coroutine'] = _collections_abc.Coroutine = Coroutine
PATCHED['collections.abc.Awaitable'] = _collections_abc.Awaitable = Awaitable
if patch_inspect:
import inspect
PATCHED['inspect.isawaitable'] = inspect.isawaitable = isawaitable
def isawaitable(obj):
return isinstance(obj, Awaitable)
###
# allow patching the stdlib
def patch(patch_inspect=True):
"""
Main entry point for patching the ``collections.abc`` and ``inspect``
standard library modules.
"""
PATCHED['collections.abc.Generator'] = _collections_abc.Generator = Generator
PATCHED['collections.abc.Coroutine'] = _collections_abc.Coroutine = Coroutine
PATCHED['collections.abc.Awaitable'] = _collections_abc.Awaitable = Awaitable
if patch_inspect:
import inspect
PATCHED['inspect.isawaitable'] = inspect.isawaitable = isawaitable
def isawaitable(obj):
return isinstance(obj, Awaitable)
###
# allow patching the stdlib
backports_abc.py 文件源码
项目：My-Web-Server-Framework-With-Python2.7
作者: syjsu
项目源码
文件源码
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def isawaitable(obj):
return isinstance(obj, Awaitable)
###
# allow patching the stdlib
backports_abc.py 文件源码
项目：My-Web-Server-Framework-With-Python2.7
作者: syjsu
项目源码
文件源码
阅读 26
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def patch(patch_inspect=True):
"""
Main entry point for patching the ``collections.abc`` and ``inspect``
standard library modules.
"""
PATCHED['collections.abc.Generator'] = _collections_abc.Generator = Generator
PATCHED['collections.abc.Coroutine'] = _collections_abc.Coroutine = Coroutine
PATCHED['collections.abc.Awaitable'] = _collections_abc.Awaitable = Awaitable
if patch_inspect:
import inspect
PATCHED['inspect.isawaitable'] = inspect.isawaitable = isawaitable
def isawaitable(obj):
return isinstance(obj, Awaitable)
###
# allow patching the stdlib
def patch(patch_inspect=True):
"""
Main entry point for patching the ``collections.abc`` and ``inspect``
standard library modules.
"""
PATCHED['collections.abc.Generator'] = _collections_abc.Generator = Generator
PATCHED['collections.abc.Coroutine'] = _collections_abc.Coroutine = Coroutine
PATCHED['collections.abc.Awaitable'] = _collections_abc.Awaitable = Awaitable
if patch_inspect:
import inspect
PATCHED['inspect.isawaitable'] = inspect.isawaitable = isawaitable
def isawaitable(obj):
return isinstance(obj, Awaitable)
###
# allow patching the stdlib
def patch(patch_inspect=True):
"""
Main entry point for patching the ``collections.abc`` and ``inspect``
standard library modules.
"""
PATCHED['collections.abc.Generator'] = _collections_abc.Generator = Generator
PATCHED['collections.abc.Coroutine'] = _collections_abc.Coroutine = Coroutine
PATCHED['collections.abc.Awaitable'] = _collections_abc.Awaitable = Awaitable
if patch_inspect:
import inspect
PATCHED['inspect.isawaitable'] = inspect.isawaitable = isawaitable
def mk_coroutine():
from abc import abstractmethod
class Coroutine(Awaitable):
__slots__ = ()
@abstractmethod
def send(self, value):
"""Send a value into the coroutine.
Return next yielded value or raise StopIteration.
"""
raise StopIteration
@abstractmethod
def throw(self, typ, val=None, tb=None):
"""Raise an exception in the coroutine.
Return next yielded value or raise StopIteration.
"""
if val is None:
if tb is None:
raise typ
val = typ()
if tb is not None:
val = val.with_traceback(tb)
raise val
def close(self):
"""Raise GeneratorExit inside coroutine.
"""
try:
self.throw(GeneratorExit)
except (GeneratorExit, StopIteration):
pass
else:
raise RuntimeError('coroutine ignored GeneratorExit')
@classmethod
def __subclasshook__(cls, C):
if cls is Coroutine:
mro = C.__mro__
for method in ('__await__', 'send', 'throw', 'close'):
for base in mro:
if method in base.__dict__:
break
else:
return NotImplemented
return True
return NotImplemented
return Coroutine
###
# make all ABCs available in this module
def mk_coroutine():
from abc import abstractmethod
class Coroutine(Awaitable):
__slots__ = ()
@abstractmethod
def send(self, value):
"""Send a value into the coroutine.
Return next yielded value or raise StopIteration.
"""
raise StopIteration
@abstractmethod
def throw(self, typ, val=None, tb=None):
"""Raise an exception in the coroutine.
Return next yielded value or raise StopIteration.
"""
if val is None:
if tb is None:
raise typ
val = typ()
if tb is not None:
val = val.with_traceback(tb)
raise val
def close(self):
"""Raise GeneratorExit inside coroutine.
"""
try:
self.throw(GeneratorExit)
except (GeneratorExit, StopIteration):
pass
else:
raise RuntimeError('coroutine ignored GeneratorExit')
@classmethod
def __subclasshook__(cls, C):
if cls is Coroutine:
mro = C.__mro__
for method in ('__await__', 'send', 'throw', 'close'):
for base in mro:
if method in base.__dict__:
break
else:
return NotImplemented
return True
return NotImplemented
return Coroutine
###
# make all ABCs available in this module
backports_abc.py 文件源码
项目：My-Web-Server-Framework-With-Python2.7
作者: syjsu
项目源码
文件源码
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def mk_coroutine():
from abc import abstractmethod
class Coroutine(Awaitable):
__slots__ = ()
@abstractmethod
def send(self, value):
"""Send a value into the coroutine.
Return next yielded value or raise StopIteration.
"""
raise StopIteration
@abstractmethod
def throw(self, typ, val=None, tb=None):
"""Raise an exception in the coroutine.
Return next yielded value or raise StopIteration.
"""
if val is None:
if tb is None:
raise typ
val = typ()
if tb is not None:
val = val.with_traceback(tb)
raise val
def close(self):
"""Raise GeneratorExit inside coroutine.
"""
try:
self.throw(GeneratorExit)
except (GeneratorExit, StopIteration):
pass
else:
raise RuntimeError('coroutine ignored GeneratorExit')
@classmethod
def __subclasshook__(cls, C):
if cls is Coroutine:
mro = C.__mro__
for method in ('__await__', 'send', 'throw', 'close'):
for base in mro:
if method in base.__dict__:
break
else:
return NotImplemented
return True
return NotImplemented
return Coroutine
###
# make all ABCs available in this module
def mk_coroutine():
from abc import abstractmethod
class Coroutine(Awaitable):
__slots__ = ()
@abstractmethod
def send(self, value):
"""Send a value into the coroutine.
Return next yielded value or raise StopIteration.
"""
raise StopIteration
@abstractmethod
def throw(self, typ, val=None, tb=None):
"""Raise an exception in the coroutine.
Return next yielded value or raise StopIteration.
"""
if val is None:
if tb is None:
raise typ
val = typ()
if tb is not None:
val = val.with_traceback(tb)
raise val
def close(self):
"""Raise GeneratorExit inside coroutine.
"""
try:
self.throw(GeneratorExit)
except (GeneratorExit, StopIteration):
pass
else:
raise RuntimeError('coroutine ignored GeneratorExit')
@classmethod
def __subclasshook__(cls, C):
if cls is Coroutine:
mro = C.__mro__
for method in ('__await__', 'send', 'throw', 'close'):
for base in mro:
if method in base.__dict__:
break
else:
return NotImplemented
return True
return NotImplemented
return Coroutine
###
# make all ABCs available in this module
def mk_coroutine():
from abc import abstractmethod
class Coroutine(Awaitable):
__slots__ = ()
@abstractmethod
def send(self, value):
"""Send a value into the coroutine.
Return next yielded value or raise StopIteration.
"""
raise StopIteration
@abstractmethod
def throw(self, typ, val=None, tb=None):
"""Raise an exception in the coroutine.
Return next yielded value or raise StopIteration.
"""
if val is None:
if tb is None:
raise typ
val = typ()
if tb is not None:
val = val.with_traceback(tb)
raise val
def close(self):
"""Raise GeneratorExit inside coroutine.
"""
try:
self.throw(GeneratorExit)
except (GeneratorExit, StopIteration):
pass
else:
raise RuntimeError('coroutine ignored GeneratorExit')
@classmethod
def __subclasshook__(cls, C):
if cls is Coroutine:
mro = C.__mro__
for method in ('__await__', 'send', 'throw', 'close'):
for base in mro:
if method in base.__dict__:
break
else:
return NotImplemented
return True
return NotImplemented
return Coroutine
###
# make all ABCs available in this module
