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bpo-10496: posixpath.expanduser() catchs pwd.getpwuid() error (GH-10919)

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* posixpath.expanduser() now returns the input path unchanged if
  the HOME environment variable is not set and pwd.getpwuid() raises
  KeyError (the current user identifier doesn't exist in the password
  database).
* Add test_no_home_directory() to test_site.
This commit is contained in:
Victor Stinner 2018-12-05 16:49:35 +01:00 • committed by GitHub
parent 398bd27967
commit f2f4555d82
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4 changed files with 98 additions and 29 deletions
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9
Lib/posixpath.py
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@ -246,7 +246,12 @@ def expanduser(path):
if i == 1:
if 'HOME' not in os.environ:
import pwd
userhome = pwd.getpwuid(os.getuid()).pw_dir
try:
userhome = pwd.getpwuid(os.getuid()).pw_dir
except KeyError:
# bpo-10496: if the current user identifier doesn't exist in the
# password database, return the path unchanged
return path
else:
userhome = os.environ['HOME']
else:
@ -257,6 +262,8 @@ def expanduser(path):
try:
pwent = pwd.getpwnam(name)
except KeyError:
# bpo-10496: if the user name from the path doesn't exist in the
# password database, return the path unchanged
return path
userhome = pwent.pw_dir
if isinstance(path, bytes):