#!/usr/bin/python

# dpkg-info - DebFile's implementation of "dpkg --info"
# Copyright (C) 2007 Stefano Zacchiroli <[email protected]>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.


""" (An approximation of) a 'dpkg --info' implementation relying on DebFile
class. """

from __future__ import print_function

import os
import stat
import sys

from debian import debfile

if __name__ == '__main__':
if len(sys.argv) != 2:
print("Usage: dpkg-info DEB")
sys.exit(1)
fname = sys.argv[1]

deb = debfile.DebFile(fname)
if deb.version == '2.0':
print(' new debian package, version %s.' % deb.version)
print(' size %d bytes: control archive= %d bytes.' % (
os.stat(fname)[stat.ST_SIZE], deb['control.tar.gz'].size))
for fname in deb.control: # print info about control part contents
content = deb.control[fname]
if not content:
continue
lines = content.split('\n')
ftype = ''
try:
if lines[0].startswith('#!'):
ftype = lines[0].split()[0]
except IndexError:
pass
print(' %d bytes, %d lines, %s, %s' % (len(content), len(lines),
fname, ftype))
for n, v in deb.debcontrol().items(): # print DEBIAN/control fields
if n.lower() == 'description': # increase indentation of long dsc
lines = v.split('\n')
short_dsc = lines[0]
long_dsc = '\n'.join(map(lambda l: ' ' + l, lines[1:]))
print(' %s: %s\n%s' % (n, short_dsc, long_dsc))
else:
print(' %s: %s' % (n, v))