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      1 """Checkversions - recursively search a directory (default: sys.prefix)
      2 for _checkversion.py files, and run each of them. This will tell you of
      3 new versions available for any packages you have installed."""
      4 
      5 import os
      6 import getopt
      7 import sys
      8 import pyversioncheck
      9 
     10 CHECKNAME="_checkversion.py"
     11 
     12 VERBOSE=1
     13 
     14 USAGE="""Usage: checkversions [-v verboselevel] [dir ...]
     15 Recursively examine a tree (default: sys.prefix) and for each package
     16 with a _checkversion.py file compare the installed version against the current
     17 version.
     18 
     19 Values for verboselevel:
     20 0 - Minimal output, one line per package
     21 1 - Also print descriptions for outdated packages (default)
     22 2 - Print information on each URL checked
     23 3 - Check every URL for packages with multiple locations"""
     24 
     25 def check1dir(dummy, dir, files):
     26     if CHECKNAME in files:
     27         fullname = os.path.join(dir, CHECKNAME)
     28         try:
     29             execfile(fullname)
     30         except:
     31             print '** Exception in', fullname
     32 
     33 def walk1tree(tree):
     34     os.path.walk(tree, check1dir, None)
     35 
     36 def main():
     37     global VERBOSE
     38     try:
     39         options, arguments = getopt.getopt(sys.argv[1:], 'v:')
     40     except getopt.error:
     41         print USAGE
     42         sys.exit(1)
     43     for o, a in options:
     44         if o == '-v':
     45             VERBOSE = int(a)
     46     if not arguments:
     47         arguments = [sys.prefix]
     48     for dir in arguments:
     49         walk1tree(dir)
     50 
     51 if __name__ == '__main__':
     52     main()
     53