don't omit CRLF when those are the only bytes the in the chunk - #469
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woodruffw
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Aug 29, 2026
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Thanks @ogalland-tob!
Making sure I understand: this happens when we're reading chunks of an HTTP response, and previously we'd accidentally discard a CRLF if it happened to be the only contents of a chunk?
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Yes, this would cause chunks made up entirely of CRLF to be dropped. |
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Thanks @ogalland-tob! |
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CallbackFileWrapper._safe_read()omits a legitimate two-byte CRLF chunk from the cached response body. If a response contains a chunk consisting exclusively of CRLF, it is omitted from the cached response.This PR fixes the issue by keeping track of remaining bytes in
CallbackFileWrapperand only omitting the trailing CRLF. It also introduces a relevant unit test.