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Title: [3.11] gh-81403: Fix for CacheFTPHandler in urllib (GH-13951) by miss-islington · Pull Request #103705 · python/cpython · GitHub

Open Graph Title: [3.11] gh-81403: Fix for CacheFTPHandler in urllib (GH-13951) by miss-islington · Pull Request #103705 · python/cpython

X Title: [3.11] gh-81403: Fix for CacheFTPHandler in urllib (GH-13951) by miss-islington · Pull Request #103705 · python/cpython

Description: bpo-37222: Fix for CacheFTPHandler in urllib A call to FTP.ntransfercmd must be followed by FTP.voidresp to clear the "end transfer" message. Without this, the client and server get out of sync, which will result in an error if the FTP instance is reused to open a second URL. This scenario occurs for even the most basic usage of CacheFTPHandler. Reverts the patch merged as a resolution to bpo-16270 and adds a test case for the CacheFTPHandler in test_urllib2net.py. (cherry picked from commit e38bebb) Co-authored-by: Dan Hemberger 846186+hemberger@users.noreply.github.com Co-authored-by: Senthil Kumaran senthil@python.org Issue: gh-81403

Open Graph Description: bpo-37222: Fix for CacheFTPHandler in urllib A call to FTP.ntransfercmd must be followed by FTP.voidresp to clear the "end transfer" message. Without this, the client and server get out o...

X Description: bpo-37222: Fix for CacheFTPHandler in urllib A call to FTP.ntransfercmd must be followed by FTP.voidresp to clear the "end transfer" message. Without this, the client and server g...

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9571f24 gh-81403: Fix for CacheFTPHandler in urllib (GH-13951) hemberger Apr 23, 2023 https://github.com/python/cpython/pull/103705/commits/9571f24b68cf6e2e57317ead6fe279b53358d83e
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