Issue #28003: Implement PEP 525 -- Asynchronous Generators.

This commit is contained in:
Yury Selivanov 2016-09-08 22:01:51 -07:00
parent b96ef55d49
commit eb6364557f
27 changed files with 2189 additions and 96 deletions

View file

@ -65,7 +65,8 @@ class IsTestBase(unittest.TestCase):
inspect.isframe, inspect.isfunction, inspect.ismethod,
inspect.ismodule, inspect.istraceback,
inspect.isgenerator, inspect.isgeneratorfunction,
inspect.iscoroutine, inspect.iscoroutinefunction])
inspect.iscoroutine, inspect.iscoroutinefunction,
inspect.isasyncgen, inspect.isasyncgenfunction])
def istest(self, predicate, exp):
obj = eval(exp)
@ -73,6 +74,7 @@ class IsTestBase(unittest.TestCase):
for other in self.predicates - set([predicate]):
if (predicate == inspect.isgeneratorfunction or \
predicate == inspect.isasyncgenfunction or \
predicate == inspect.iscoroutinefunction) and \
other == inspect.isfunction:
continue
@ -82,6 +84,10 @@ def generator_function_example(self):
for i in range(2):
yield i
async def async_generator_function_example(self):
async for i in range(2):
yield i
async def coroutine_function_example(self):
return 'spam'
@ -122,6 +128,10 @@ class TestPredicates(IsTestBase):
self.istest(inspect.isdatadescriptor, 'collections.defaultdict.default_factory')
self.istest(inspect.isgenerator, '(x for x in range(2))')
self.istest(inspect.isgeneratorfunction, 'generator_function_example')
self.istest(inspect.isasyncgen,
'async_generator_function_example(1)')
self.istest(inspect.isasyncgenfunction,
'async_generator_function_example')
with warnings.catch_warnings():
warnings.simplefilter("ignore")