Python: finding uid/gid for a given username/groupname (for os.chown)

Python

Python Problem Overview

What's a good way to find the uid/gid for a given username or groupname using Python? I need to set file ownership with os.chown and need the integer ids instead of the alphabetic.

[Quick note]: getpwnam works great but is not available on windows, so here's some code that creates stubs to allow you to run the same code on windows and unix.

try:
    from pwd import getpwnam
except:
    getpwnam = lambda x: (0,0,0)
    os.chown = lambda x, y, z: True
    os.chmod = lambda x, y: True
    os.fchown = os.chown
    os.fchmod = os.chmod

Python Solutions

Solution 1 - Python

Use the pwd and grp modules:

from pwd import getpwnam  

print getpwnam('someuser')[2]
# or
print getpwnam('someuser').pw_uid
print grp.getgrnam('somegroup')[2]
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Solution 1 - PythondfaView Answer on Stackoverflow