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try:
from inspect import iscoroutine
except ImportError:
def iscoroutine(obj): # type: ignore
return False
try:
from asyncio import Future, ensure_future # type: ignore
except ImportError:
class Future: # type: ignore
def __init__(self):
raise Exception("You need asyncio for using Futures")
def set_result(self):
raise Exception("You need asyncio for using Futures")
def set_exception(self):
raise Exception("You need asyncio for using Futures")
def ensure_future(): # type: ignore
raise Exception("ensure_future needs asyncio for executing")
try:
from .iterate_promise import iterate_promise
except (SyntaxError, ImportError):
def iterate_promise(promise): # type: ignore
raise Exception('You need "yield from" syntax for iterate in a Promise.')
|
