In This Package:

cmdline.py

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#!/usr/bin/env python

def quotedParse(cmdstring):
    '''Take a the given command string and parse it into a list using
    space delimiters but respecting (one layer of) quotes.'''

    tokens = []
    for arg in cmdstring.split(" "): 
        if '' != arg: 
            tokens.append(arg)
            pass
        continue
    
    firsts = map(lambda x: x[0], tokens)
    lasts = map(lambda x: x[-1], tokens)
        
    quoteIndex = -1
    quoteMark = None
    for f in firsts:
        quoteIndex += 1
        if f == '"' or f == "'":
            quoteMark = f
            break;
        continue

    if quoteMark is None:
        return tokens
        
    endIndex = 0
    endFound = None
    for l in lasts:
        endIndex += 1
        if l == quoteMark: 
            endFound = True
            break
        continue
        
    if not endFound:
        raise ValueError, "end quote not found"

    return tokens[:quoteIndex] + [" ".join(tokens[quoteIndex:endIndex])[1:-1]] + tokens[endIndex:]

if '__main__' == __name__:

    import sys
    from optparse import OptionParser

    parser = OptionParser(usage="cmdline.py [options]")
    parser.add_option("-m", "--module", action="append", 
                      help="Load given module and pass optional argument list")
    parser.disable_interspersed_args()
    (options,args) = parser.parse_args(args=sys.argv[1:])
    
    for cmdline in options.module:
        print '|%s| --> |%s|'%(cmdline,'|'.join(quotedParse(cmdline)))
    

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