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bpo-36373: Deprecate explicit loop parameter in all public asyncio APIs [locks] (GH-13920)

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This PR deprecate explicit loop parameters in all public asyncio APIs

This issues is split to be easier to review.

Third step: locks.py





https://bugs.python.org/issue36373
This commit is contained in:
Emmanuel Arias 2019-09-10 07:55:07 -03:00 • committed by Miss Islington (bot)
parent 9669931e5e
commit 537877d85d
7 changed files with 419 additions and 265 deletions
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41
Lib/asyncio/locks.py
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@ -160,10 +160,13 @@ class Lock(_ContextManagerMixin):
def __init__(self, *, loop=None):
self._waiters = None
self._locked = False
if loop is not None:
self._loop = loop
else:
if loop is None:
self._loop = events.get_event_loop()
else:
self._loop = loop
warnings.warn("The loop argument is deprecated since Python 3.8, "
"and scheduled for removal in Python 3.10.",
DeprecationWarning, stacklevel=2)
def __repr__(self):
res = super().__repr__()
@ -253,10 +256,13 @@ class Event:
def __init__(self, *, loop=None):
self._waiters = collections.deque()
self._value = False
if loop is not None:
self._loop = loop
else:
if loop is None:
self._loop = events.get_event_loop()
else:
self._loop = loop
warnings.warn("The loop argument is deprecated since Python 3.8, "
"and scheduled for removal in Python 3.10.",
DeprecationWarning, stacklevel=2)
def __repr__(self):
res = super().__repr__()
@ -317,10 +323,13 @@ class Condition(_ContextManagerMixin):
"""
def __init__(self, lock=None, *, loop=None):
if loop is not None:
self._loop = loop
else:
if loop is None:
self._loop = events.get_event_loop()
else:
self._loop = loop
warnings.warn("The loop argument is deprecated since Python 3.8, "
"and scheduled for removal in Python 3.10.",
DeprecationWarning, stacklevel=2)
if lock is None:
lock = Lock(loop=self._loop)
@ -445,10 +454,13 @@ class Semaphore(_ContextManagerMixin):
raise ValueError("Semaphore initial value must be >= 0")
self._value = value
self._waiters = collections.deque()
if loop is not None:
self._loop = loop
else:
if loop is None:
self._loop = events.get_event_loop()
else:
self._loop = loop
warnings.warn("The loop argument is deprecated since Python 3.8, "
"and scheduled for removal in Python 3.10.",
DeprecationWarning, stacklevel=2)
def __repr__(self):
res = super().__repr__()
@ -508,6 +520,11 @@ class BoundedSemaphore(Semaphore):
"""
def __init__(self, value=1, *, loop=None):
if loop:
warnings.warn("The loop argument is deprecated since Python 3.8, "
"and scheduled for removal in Python 3.10.",
DeprecationWarning, stacklevel=2)
self._bound_value = value
super().__init__(value, loop=loop)