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Update documentation with new errors and further clarifications

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Lonami Exo
2020-06-22 13:21:45 +02:00
parent fc07e6bba7
commit e0c3143763
4 changed files with 49 additions and 25 deletions
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15
telethon/client/downloads.py
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@@ -568,19 +568,12 @@ class DownloadMethods:
# Fetching only the header of a file (32 bytes)
# You should manually close the iterator in this case.
#
# telethon.sync must be imported for this to work,
# and you must not be inside an "async def".
# "stream" is a common name for asynchronous generators,
# and iter_download will yield `bytes` (chunks of the file).
stream = client.iter_download(media, request_size=32)
header = next(stream)
stream.close()
header = await stream.__anext__() # "manual" version of `async for`
await stream.close()
assert len(header) == 32
# Fetching only the header, inside of an ``async def``
async def main():
stream = client.iter_download(media, request_size=32)
header = await stream.__anext__()
await stream.close()
assert len(header) == 32
"""
info = utils._get_file_info(file)
if info.dc_id is not None: