`netrc` security check may fail on WASI due to the lack of `os.getuid`

[picnixz]

Bug report

Bug description:

Found as part of #135802.

For instance:

 File "/Lib/test/test_netrc.py", line 69, in use_default_netrc_in_home
 return netrc.netrc()
 ~~~~~~~~~~~^^
 File "/Lib/netrc.py", line 76, in __init__
 self._parse(file, fp, default_netrc)
 ~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^
 File "/Lib/netrc.py", line 143, in _parse
 self._security_check(fp, default_netrc, self.hosts[entryname][0])
 ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 File "/Lib/netrc.py", line 148, in _security_check
 if prop.st_uid != os.getuid():
 ^^^^^^^^^
AttributeError: module 'os' has no attribute 'getuid'. Did you mean: 'getpid'?

CPython versions tested on:

CPython main branch

Operating systems tested on:

No response

Linked PRs

• gh-135815: skip netrc security checks if os.getuid is missing #135816
• [3.14] gh-135815: skip netrc security checks if os.getuid is missing (GH-135816) #135825
• [3.13] gh-135815: skip netrc security checks if os.getuid is missing (GH-135816) #135826