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authorYury Selivanov <yselivanov@sprymix.com>2015-05-11 18:23:38 (GMT)
committerYury Selivanov <yselivanov@sprymix.com>2015-05-11 18:23:38 (GMT)
commit740169cd24fc108913e4480e98e608f0517a7b8a (patch)
treebf801141261edb778f7957aa777343a6c8cd1978 /Lib/asyncio
parent37c4f78390ae3f2c839b44939446f783b948d9d3 (diff)
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Sync asyncio changes from the main repo.
Diffstat (limited to 'Lib/asyncio')
-rw-r--r--Lib/asyncio/base_events.py44
-rw-r--r--Lib/asyncio/events.py10
2 files changed, 42 insertions, 12 deletions
diff --git a/Lib/asyncio/base_events.py b/Lib/asyncio/base_events.py
index eb867cd..efbb9f4 100644
--- a/Lib/asyncio/base_events.py
+++ b/Lib/asyncio/base_events.py
@@ -197,6 +197,7 @@ class BaseEventLoop(events.AbstractEventLoop):
# exceed this duration in seconds, the slow callback/task is logged.
self.slow_callback_duration = 0.1
self._current_handle = None
+ self._task_factory = None
def __repr__(self):
return ('<%s running=%s closed=%s debug=%s>'
@@ -209,11 +210,32 @@ class BaseEventLoop(events.AbstractEventLoop):
Return a task object.
"""
self._check_closed()
- task = tasks.Task(coro, loop=self)
- if task._source_traceback:
- del task._source_traceback[-1]
+ if self._task_factory is None:
+ task = tasks.Task(coro, loop=self)
+ if task._source_traceback:
+ del task._source_traceback[-1]
+ else:
+ task = self._task_factory(self, coro)
return task
+ def set_task_factory(self, factory):
+ """Set a task factory that will be used by loop.create_task().
+
+ If factory is None the default task factory will be set.
+
+ If factory is a callable, it should have a signature matching
+ '(loop, coro)', where 'loop' will be a reference to the active
+ event loop, 'coro' will be a coroutine object. The callable
+ must return a Future.
+ """
+ if factory is not None and not callable(factory):
+ raise TypeError('task factory must be a callable or None')
+ self._task_factory = factory
+
+ def get_task_factory(self):
+ """Return a task factory, or None if the default one is in use."""
+ return self._task_factory
+
def _make_socket_transport(self, sock, protocol, waiter=None, *,
extra=None, server=None):
"""Create socket transport."""
@@ -465,25 +487,25 @@ class BaseEventLoop(events.AbstractEventLoop):
self._write_to_self()
return handle
- def run_in_executor(self, executor, callback, *args):
- if (coroutines.iscoroutine(callback)
- or coroutines.iscoroutinefunction(callback)):
+ def run_in_executor(self, executor, func, *args):
+ if (coroutines.iscoroutine(func)
+ or coroutines.iscoroutinefunction(func)):
raise TypeError("coroutines cannot be used with run_in_executor()")
self._check_closed()
- if isinstance(callback, events.Handle):
+ if isinstance(func, events.Handle):
assert not args
- assert not isinstance(callback, events.TimerHandle)
- if callback._cancelled:
+ assert not isinstance(func, events.TimerHandle)
+ if func._cancelled:
f = futures.Future(loop=self)
f.set_result(None)
return f
- callback, args = callback._callback, callback._args
+ func, args = func._callback, func._args
if executor is None:
executor = self._default_executor
if executor is None:
executor = concurrent.futures.ThreadPoolExecutor(_MAX_WORKERS)
self._default_executor = executor
- return futures.wrap_future(executor.submit(callback, *args), loop=self)
+ return futures.wrap_future(executor.submit(func, *args), loop=self)
def set_default_executor(self, executor):
self._default_executor = executor
diff --git a/Lib/asyncio/events.py b/Lib/asyncio/events.py
index 3b907c6..496075b 100644
--- a/Lib/asyncio/events.py
+++ b/Lib/asyncio/events.py
@@ -277,7 +277,7 @@ class AbstractEventLoop:
def call_soon_threadsafe(self, callback, *args):
raise NotImplementedError
- def run_in_executor(self, executor, callback, *args):
+ def run_in_executor(self, executor, func, *args):
raise NotImplementedError
def set_default_executor(self, executor):
@@ -438,6 +438,14 @@ class AbstractEventLoop:
def remove_signal_handler(self, sig):
raise NotImplementedError
+ # Task factory.
+
+ def set_task_factory(self, factory):
+ raise NotImplementedError
+
+ def get_task_factory(self):
+ raise NotImplementedError
+
# Error handlers.
def set_exception_handler(self, handler):