blob: f78c0971c786dfb56a04ffd722ef5527e3d530e9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
from . import compat
have_greenlet = False
if compat.py3k:
try:
import greenlet # noqa F401
except ImportError:
pass
else:
have_greenlet = True
from ._concurrency_py3k import await_only
from ._concurrency_py3k import await_fallback
from ._concurrency_py3k import greenlet_spawn
from ._concurrency_py3k import AsyncAdaptedLock
from ._concurrency_py3k import asyncio # noqa F401
if not have_greenlet:
asyncio = None # noqa F811
def _not_implemented():
if not compat.py3k:
raise ValueError("Cannot use this function in py2.")
else:
raise ValueError(
"the greenlet library is required to use this function."
)
def await_only(thing): # noqa F811
return thing
def await_fallback(thing): # noqa F81
return thing
def greenlet_spawn(fn, *args, **kw): # noqa F81
_not_implemented()
def AsyncAdaptedLock(*args, **kw): # noqa F81
_not_implemented()
|
