fixps.py

#!/usr/bin/env python

# Fix Python script(s) to reference the interpreter via /usr/bin/env python.
# Warning: this overwrites the file without making a backup.

importsys
importre


defmain():
forfilenameinsys.argv[1:]:
try:
f=open(filename, 'r')
exceptIOError, msg:
printfilename, ': can\'t open :', msg
continue
line=f.readline()
ifnotre.match('^#! */usr/local/bin/python', line):
printfilename, ': not a /usr/local/bin/python script'
f.close()
continue
rest=f.read()
f.close()
line=re.sub('/usr/local/bin/python',
'/usr/bin/env python', line)
printfilename, ':', repr(line)
f=open(filename, "w")
f.write(line)
f.write(rest)
f.close()

if__name__=='__main__':
main()