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[3.9] bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-12620)

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Turn deprecation warnings added in 3.8 into TypeError.
This commit is contained in:
Serhiy Storchaka 2019-06-05 18:22:31 +03:00 • committed by GitHub
parent 6c01ebcc0d
commit 142566c028
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30 changed files with 45 additions and 330 deletions
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44
Lib/multiprocessing/managers.py
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@ -360,36 +360,10 @@ class Server(object):
finally:
self.stop_event.set()
def create(*args, **kwds):
def create(self, c, typeid, /, *args, **kwds):
'''
Create a new shared object and return its id
'''
if len(args) >= 3:
self, c, typeid, *args = args
elif not args:
raise TypeError("descriptor 'create' of 'Server' object "
"needs an argument")
else:
if 'typeid' not in kwds:
raise TypeError('create expected at least 2 positional '
'arguments, got %d' % (len(args)-1))
typeid = kwds.pop('typeid')
if len(args) >= 2:
self, c, *args = args
import warnings
warnings.warn("Passing 'typeid' as keyword argument is deprecated",
DeprecationWarning, stacklevel=2)
else:
if 'c' not in kwds:
raise TypeError('create expected at least 2 positional '
'arguments, got %d' % (len(args)-1))
c = kwds.pop('c')
self, *args = args
import warnings
warnings.warn("Passing 'c' as keyword argument is deprecated",
DeprecationWarning, stacklevel=2)
args = tuple(args)
with self.mutex:
callable, exposed, method_to_typeid, proxytype = \
self.registry[typeid]
@ -421,7 +395,6 @@ class Server(object):
self.incref(c, ident)
return ident, tuple(exposed)
create.__text_signature__ = '($self, c, typeid, /, *args, **kwds)'
def get_methods(self, c, token):
'''
@ -1293,26 +1266,15 @@ if HAS_SHMEM:
_SharedMemoryTracker(f"shmm_{self.address}_{getpid()}")
util.debug(f"SharedMemoryServer started by pid {getpid()}")
def create(*args, **kwargs):
def create(self, c, typeid, /, *args, **kwargs):
"""Create a new distributed-shared object (not backed by a shared
memory block) and return its id to be used in a Proxy Object."""
# Unless set up as a shared proxy, don't make shared_memory_context
# a standard part of kwargs. This makes things easier for supplying
# simple functions.
if len(args) >= 3:
typeod = args[2]
elif 'typeid' in kwargs:
typeid = kwargs['typeid']
elif not args:
raise TypeError("descriptor 'create' of 'SharedMemoryServer' "
"object needs an argument")
else:
raise TypeError('create expected at least 2 positional '
'arguments, got %d' % (len(args)-1))
if hasattr(self.registry[typeid][-1], "_shared_memory_proxy"):
kwargs['shared_memory_context'] = self.shared_memory_context
return Server.create(*args, **kwargs)
create.__text_signature__ = '($self, c, typeid, /, *args, **kwargs)'
return Server.create(self, c, typeid, *args, **kwargs)
def shutdown(self, c):
"Call unlink() on all tracked shared memory, terminate the Server."