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bpo-34014: Added support of contextvars for BaseEventLoop.run_in_executor #9688

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bpo-34014: Added support of contextvars for BaseEventLoop.run_in_executor #9688

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a453b25
Added suport contextvars for loop.run_in_executor
hellysmile Jun 30, 2018
6fbe93f
Added new entry.
hellysmile Jun 30, 2018
20e139d
Set contextvars on top of the module.
hellysmile Jun 30, 2018
ae42bf5
Simplify run_in_executor partial wrapper
hellysmile Jul 1, 2018
1883c19
Merge branch 'master' into bpo-34014
hellysmile Oct 3, 2018
0dd6682
Update run_in_executor for retain_context option
hellysmile Oct 3, 2018
95ee377
Simplify partial wrapper for context.run
hellysmile Oct 3, 2018
3985bc5
Merge branch 'master' into bpo-34014
hellysmile Oct 20, 2019
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Set contextvars on top of the module.
  • Loading branch information
@hellysmile
hellysmile committed Jun 30, 2018
commit 20e139d5e69cedd0cbc8a4b481e47a7a2a87ea4d
29 changes: 20 additions & 9 deletions Lib/test/test_asyncio/test_events.py
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,9 @@
from test.test_asyncio import utils as test_utils
from test import support

foo_ctx = contextvars.ContextVar('foo')
foo_ctx.set('bar')


def tearDownModule():
asyncio.set_event_loop_policy(None)
Expand Down Expand Up @@ -370,33 +373,41 @@ def run():
time.sleep(0.4)
self.assertFalse(called)

def test_run_in_executor_hierarchy(self):
def run():
foo_ctx.set('foo')
res = foo_ctx.get()
self.assertEqual(res, 'foo')
return res

f = self.loop.run_in_executor(None, run)
res = self.loop.run_until_complete(f)
self.assertEqual(res, 'foo')

res = foo_ctx.get()
self.assertEqual(res, 'bar')

def test_run_in_executor_no_context(self):
def run():
return foo.get()
return foo_ctx.get()

foo = contextvars.ContextVar('foo')
foo.set('bar')
f = self.loop.run_in_executor(None, run)
res = self.loop.run_until_complete(f)
self.assertEqual(res, 'bar')

def test_run_in_executor_context(self):
def run():
return foo.get()
return foo_ctx.get()

foo = contextvars.ContextVar('foo')
foo.set('bar')
context = contextvars.copy_context()
f = self.loop.run_in_executor(None, run, context=context)
res = self.loop.run_until_complete(f)
self.assertEqual(res, 'bar')

def test_run_in_executor_context_args(self):
def run(arg):
return (arg, foo.get())
return (arg, foo_ctx.get())

foo = contextvars.ContextVar('foo')
foo.set('bar')
context = contextvars.copy_context()
f = self.loop.run_in_executor(None, run, 'yo', context=context)
res = self.loop.run_until_complete(f)
Expand Down