"""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1 - Also print descriptions for outdated packages (default)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()