| """Checkversions - recursively search a directory (default: sys.prefix) | 
 | for _checkversion.py files, and run each of them. This will tell you of | 
 | new versions available for any packages you have installed.""" | 
 |  | 
 | import os | 
 | import getopt | 
 | import sys | 
 | import pyversioncheck | 
 |  | 
 | CHECKNAME="_checkversion.py" | 
 |  | 
 | VERBOSE=1 | 
 |  | 
 | USAGE="""Usage: checkversions [-v verboselevel] [dir ...] | 
 | Recursively examine a tree (default: sys.prefix) and for each package | 
 | with a _checkversion.py file compare the installed version against the current | 
 | version. | 
 |  | 
 | Values for verboselevel: | 
 | 0 - Minimal output, one line per package | 
 | 1 - Also print descriptions for outdated packages (default) | 
 | 2 - Print information on each URL checked | 
 | 3 - Check every URL for packages with multiple locations""" | 
 |  | 
 | def check1dir(dummy, dir, files): | 
 |     if CHECKNAME in files: | 
 |         fullname = os.path.join(dir, CHECKNAME) | 
 |         try: | 
 |             execfile(fullname) | 
 |         except: | 
 |             print '** Exception in', fullname | 
 |  | 
 | def walk1tree(tree): | 
 |     os.path.walk(tree, check1dir, None) | 
 |  | 
 | def main(): | 
 |     global VERBOSE | 
 |     try: | 
 |         options, arguments = getopt.getopt(sys.argv[1:], 'v:') | 
 |     except getopt.error: | 
 |         print USAGE | 
 |         sys.exit(1) | 
 |     for o, a in options: | 
 |         if o == '-v': | 
 |             VERBOSE = int(a) | 
 |     if not arguments: | 
 |         arguments = [sys.prefix] | 
 |     for dir in arguments: | 
 |         walk1tree(dir) | 
 |  | 
 | if __name__ == '__main__': | 
 |     main() |