issue_comments: 1563308919
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| html_url | issue_url | id | node_id | user | created_at | updated_at | author_association | body | reactions | issue | performed_via_github_app |
|---|---|---|---|---|---|---|---|---|---|---|---|
| https://github.com/simonw/datasette/issues/2078#issuecomment-1563308919 | https://api.github.com/repos/simonw/datasette/issues/2078 | 1563308919 | IC_kwDOBm6k_c5dLjN3 | 9599 | 2023-05-25T18:08:34Z | 2023-05-25T18:08:34Z | OWNER | After much fiddling this seems to work: ```python import asyncio, types def is_async_callable(obj): if not callable(obj): raise ValueError("Object is not callable") if isinstance(obj, types.FunctionType): return asyncio.iscoroutinefunction(obj) if hasattr(obj, '__call__'): return asyncio.iscoroutinefunction(obj.__call__) raise ValueError("Not a function and has no __call__ attribute") ``` Tested like so: ```python class AsyncClass: async def __call__(self): pass class NotAsyncClass: def __call__(self): pass class ClassNoCall: pass async def async_func(): pass def non_async_func(): pass for thing in (AsyncClass(), NotAsyncClass(), ClassNoCall(), async_func, non_async_func): try: print(thing, is_async_callable(thing)) except Exception as ex: print(thing, ex) ``` ``` <__main__.AsyncClass object at 0x106c32150> True <__main__.NotAsyncClass object at 0x106c32390> False <__main__.ClassNoCall object at 0x106c32750> Object is not callable <function async_func at 0x1073d5120> True <function non_async_func at 0x1073d5080> False ``` | {"total_count": 0, "+1": 0, "-1": 0, "laugh": 0, "hooray": 0, "confused": 0, "heart": 0, "rocket": 0, "eyes": 0} | 1726236847 |