#!/usr/local/bin/python
# $Id: bldpdb4.py,v 1.1 2012/06/09 03:39:16 tundra Exp $

# This version opens up all the ZIP files in a given directory at once
# and extracts their comments using a pipe instead of a tempfile.
# This version does in-place formatting instead of using a raw list
# to buffer line extractions.

import commands
import os
import string

root = "/usr/home/pdbase/pub"	# Top of the Zip archive
column = 55			# Column to place Zip Comment
padchar = ' '			# Padding character

def BuildList(args, dir, files):
	cmd = "/usr/local/bin/unzip -z "
        filarg = "\""+dir + "/*\""
        redir = " 2>/dev/null"
	ReadZip = cmd + filarg + redir
	buffer = commands.getoutput(ReadZip) + "\n"

	x = z = 0
	y = len(buffer)
	while (x < y):
		while buffer[z] != "\n":
			z += 1
		z += 1 
		
		# x-> Beginning of 1st line and z-> Beginning of 2nd line

		# Check to see if we are at the beginning of an archive comment
		if (buffer[x: x+7] == "Archive") and (string.lower(buffer[z-4:z-1]) == "zip"):
			# We are, so get another line
			w = z
			while buffer[w] != "\n":
				w += 1
			w += 1

			# x-> Beginning of 1st Line, z-> Beginning of 2nd line, w-> Beginning of 3rd line
			name = buffer[x+9:z-1]
			comment = buffer[z:w-1]
			pad = column - len(name)
			print name + pad * padchar + comment
			x = w

		# We are not at the beginning of an archive comment
		else:
			x = z

os.chdir(root)
os.path.walk("./", BuildList, None)