| | """ |
| | Asynchronous progressbar decorator for iterators. |
| | Includes a default `range` iterator printing to `stderr`. |
| | |
| | Usage: |
| | >>> from tqdm.asyncio import trange, tqdm |
| | >>> async for i in trange(10): |
| | ... ... |
| | """ |
| | import asyncio |
| | from sys import version_info |
| |
|
| | from .std import tqdm as std_tqdm |
| |
|
| | __author__ = {"github.com/": ["casperdcl"]} |
| | __all__ = ['tqdm_asyncio', 'tarange', 'tqdm', 'trange'] |
| |
|
| |
|
| | class tqdm_asyncio(std_tqdm): |
| | """ |
| | Asynchronous-friendly version of tqdm. |
| | """ |
| | def __init__(self, iterable=None, *args, **kwargs): |
| | super().__init__(iterable, *args, **kwargs) |
| | self.iterable_awaitable = False |
| | if iterable is not None: |
| | if hasattr(iterable, "__anext__"): |
| | self.iterable_next = iterable.__anext__ |
| | self.iterable_awaitable = True |
| | elif hasattr(iterable, "__next__"): |
| | self.iterable_next = iterable.__next__ |
| | else: |
| | self.iterable_iterator = iter(iterable) |
| | self.iterable_next = self.iterable_iterator.__next__ |
| |
|
| | def __aiter__(self): |
| | return self |
| |
|
| | async def __anext__(self): |
| | try: |
| | if self.iterable_awaitable: |
| | res = await self.iterable_next() |
| | else: |
| | res = self.iterable_next() |
| | self.update() |
| | return res |
| | except StopIteration: |
| | self.close() |
| | raise StopAsyncIteration |
| | except BaseException: |
| | self.close() |
| | raise |
| |
|
| | def send(self, *args, **kwargs): |
| | return self.iterable.send(*args, **kwargs) |
| |
|
| | @classmethod |
| | def as_completed(cls, fs, *, loop=None, timeout=None, total=None, **tqdm_kwargs): |
| | """ |
| | Wrapper for `asyncio.as_completed`. |
| | """ |
| | if total is None: |
| | total = len(fs) |
| | kwargs = {} |
| | if version_info[:2] < (3, 10): |
| | kwargs['loop'] = loop |
| | yield from cls(asyncio.as_completed(fs, timeout=timeout, **kwargs), |
| | total=total, **tqdm_kwargs) |
| |
|
| | @classmethod |
| | async def gather(cls, *fs, loop=None, timeout=None, total=None, **tqdm_kwargs): |
| | """ |
| | Wrapper for `asyncio.gather`. |
| | """ |
| | async def wrap_awaitable(i, f): |
| | return i, await f |
| |
|
| | ifs = [wrap_awaitable(i, f) for i, f in enumerate(fs)] |
| | res = [await f for f in cls.as_completed(ifs, loop=loop, timeout=timeout, |
| | total=total, **tqdm_kwargs)] |
| | return [i for _, i in sorted(res)] |
| |
|
| |
|
| | def tarange(*args, **kwargs): |
| | """ |
| | A shortcut for `tqdm.asyncio.tqdm(range(*args), **kwargs)`. |
| | """ |
| | return tqdm_asyncio(range(*args), **kwargs) |
| |
|
| |
|
| | |
| | tqdm = tqdm_asyncio |
| | trange = tarange |
| |
|
