compare_lib.py.html
Source file:   compare_lib.py
Directory:   /Users/rjl/git/rjleveque/clawpack-4.6.3/python
Converted:   Mon Jan 21 2013 at 20:16:05   using clawcode2html
This documentation file will not reflect any later changes in the source file.

 
#!/usr/bin/env python
# encoding: utf-8
r"""
Run diff on all files in two directories, primarily used for comparing
libraries.

This is not quite done yet!  Use at your own risk...
"""

import sys
import getopt
import glob
import os
import time


help_message = '''
Run diff on all files in two directories, primarily used for comparing
libraries.

Arguments -
  compare_lib dir1 dir2 [-p --pattern match pattern] [-d --diff diff program]
'''


class Usage(Exception):
    def __init__(self, msg):
        self.msg = msg


def main(argv=None):
    if argv is None:
        argv = sys.argv
    try:
        try:
            opts, args = getopt.getopt(argv[3:], "hp:d:", ["help", "pattern=","diff="])
        except getopt.error, msg:
            raise Usage(msg)
    
        # Defaults
        pattern = "*.f"
        diff = "diff"
        
        # These are required
        dir1 = argv[1]
        dir2 = argv[2]
    
        # option processing
        for option, value in opts:
            if option in ("-h", "--help"):
                raise Usage(help_message)
            if option in ("-p", "--pattern"):
                pattern = value
            if option in ("-d", "--diff"):
                diff = value
    
    except Usage, err:
        print >> sys.stderr, sys.argv[0].split("/")[-1] + ": " + str(err.msg)
        print >> sys.stderr, "\t for help use --help"
        return 2
    
    os.chdir(dir1)
    print "In directory ",dir1

    for fname in glob.glob(pattern):
        f2 = dir2 + '/' + fname[:-6] + '.f'
        if os.path.isfile(f2):
            print 'comparing %s to %s' % (fname,f2)
            os.system('%s -w %s %s' % (diff,fname,f2))
        else:
            print 'no file %s ' % f2
        time.sleep(1)


if __name__ == "__main__":
    sys.exit(main())