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bpo-43564: preserve original exception in args of FTP URLError (#24938)

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* bpo-43564: preserve original error in args of FTP URLError

* Add NEWS blurb

Co-authored-by: Carl Meyer <carljm@instagram.com>
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Carl Meyer 2022-10-10 03:59:07 +02:00 • committed by GitHub
parent fc342c62e0
commit ad817cd5c4
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2 changed files with 4 additions and 1 deletions
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2
Lib/urllib/request.py
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@ -1582,7 +1582,7 @@ def ftp_open(self, req):
headers = email.message_from_string(headers)
return addinfourl(fp, headers, req.full_url)
except ftplib.all_errors as exp:
raise URLError(f'ftp error: {exp}') from exp
raise URLError(exp) from exp
def connect_ftp(self, user, passwd, host, port, dirs, timeout):
return ftpwrapper(user, passwd, host, port, dirs, timeout,

3
Misc/NEWS.d/next/Library/2022-10-09-12-12-38.gh-issue-87730.ClgP3f.rst Normal file
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@ -0,0 +1,3 @@
Wrap network errors consistently in urllib FTP support, so the test suite
doesn't fail when a network is available but the public internet is not
reachable.