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Fix up type hints for Twisted 21.7 (#10490)

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Mostly this involves decorating a few Deferred declarations with extra type hints. We wrap the types in quotes to avoid runtime errors when running against older versions of Twisted that don't have generics on Deferred.
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Richard van der Hoff 2021-07-28 13:04:11 +01:00 • committed by GitHub
parent 9643dfde6a
commit d9cb658c78
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6 changed files with 25 additions and 15 deletions
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synapse/http/client.py
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@ -847,7 +847,7 @@ class _ReadBodyWithMaxSizeProtocol(protocol.Protocol):
def read_body_with_max_size(
response: IResponse, stream: ByteWriteable, max_size: Optional[int]
) -> defer.Deferred:
) -> "defer.Deferred[int]":
"""
Read a HTTP response body to a file-object. Optionally enforcing a maximum file size.
@ -862,7 +862,7 @@ def read_body_with_max_size(
Returns:
A Deferred which resolves to the length of the read body.
"""
d = defer.Deferred()
d: "defer.Deferred[int]" = defer.Deferred()
# If the Content-Length header gives a size larger than the maximum allowed
# size, do not bother downloading the body.