#!/usr/bin/python
#
"""Print web URIs for files
            
To make this work:
Put a .web_base file in the highest directory of a tree exported to the
web giving the web address of the pace that directory is exported to.
(Omit a trailing slash)

e.g echo 'http//www.w3org' > /cvsroot/w3.org/.web_base

"""
import sys
import string
import os
import re

version = "$Id: pww.py,v 1.7 2007/06/26 02:36:17 syosi Exp $"[1:-1]
verbose = 0

def baseDirBase(abs):
    basedir = abs
#    basedir, tail = os.path.split(abs)
    while basedir  != '/':
        wb = basedir + '/.web_base'
        if verbose: print "# trying "+wb
        try:
            f = open(wb)
            break
        except IOError:
            basedir, tail = os.path.split(basedir)
            if basedir != '/': continue
            print "No .web_base file for ", path
            return None, None
    if f:
        base = f.readline()
        while base[-1:] in "\n\r \t": base = base[:-1]
    return basedir, base


files = []

for arg in sys.argv[1:]:
    if arg[0:1] == "-":
        if arg == "-?" or arg == "--help":
            print__doc__
        elif arg == "-v": verbose = 1
        else:
            print """Bad option argument.""" + __doc__
            sys.exit(-1)
    else:
        files.append(arg)


if files == []:
    files=['.']

for path in files:
    abs = os.path.abspath(path)
    if verbose: print "# abs = "+abs
    basedir, base = baseDirBase(abs)
    if basedir:
        print abs.replace(basedir, base)

#ends