Run python with any Windows mercurial install

hgpy.cmd

@getattr(''' 2>NUL
@ECHO OFF
: # Ignore any ERRORLEVEL infection attempt
SET ERRORLEVEL=
hg --config extensions.runcmd=%0\..\hgpy.cmd -- %*
EXIT /B %ERRORLEVEL%
''', 'format')
def n():
    pass

import imp
import sys
try:
    dashdash_i = sys.argv.index('--')
    if dashdash_i == len(sys.argv) - 1:
        print('Interactive mode not supported')
        sys.exit(1)

    sys.argv = sys.argv[dashdash_i + 1:]
    imp.load_source('__main__', sys.argv[0])
except (SystemExit):
    raise
except:
    print(sys.exc_info())
    sys.exit(1)
# Do not relinquish control to Mercurial
sys.exit(0)