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Title: gh-81403: Fix for CacheFTPHandler in urllib by hemberger · Pull Request #13951 · python/cpython · GitHub

Open Graph Title: gh-81403: Fix for CacheFTPHandler in urllib by hemberger · Pull Request #13951 · python/cpython

X Title: gh-81403: Fix for CacheFTPHandler in urllib by hemberger · Pull Request #13951 · python/cpython

Description: 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. https://bugs.python.org/issue37222 Issue: gh-81403

Open Graph Description: 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 ...

X Description: 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...

Opengraph URL: https://github.com/python/cpython/pull/13951

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571f966 bpo-37222: Fix for CacheFTPHandler in urllib hemberger Jun 10, 2019 https://github.com/python/cpython/pull/13951/commits/571f96629cd10234e8020e4d22ecef8bc3c32dba
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