#!/usr/bin/python
# usage: 
# * unpack ~radix/Releases/Twisted-<version>.tar.gz in /sid/home/you
# * if it is not a final version:
#   * mv Twisted-<version>/ Twisted-<old version>+<version>/
# * ssh -p 9022 localhost
# * run ./Twisted-<whatever>/admin/make-deb -d
#   * when launched into an editor, change the version number at the top
#     to <whatever>-1
# * exit
# * rm ~moshez/public_html/snapshot/*twisted*
# * cp /sid/home/you/*twisted* ~moshez/public_html/snapshot/
# * cd ~moshez/public_html/snapshot
# * ./createpackages
# celebrate
import os, sys, getopt, re

auto_version, run_dch, install = 0, 0, None
old_version = None

for (opt, val) in getopt.getopt(sys.argv[1:], "ado:i:")[0]:
    if opt == "-d":
        run_dch = 1
    if opt == "-a":
        auto_version = 1
    if opt == "-o":
        old_version = val
    if opt == "-i":
        install = val

here = os.path.dirname(os.path.abspath(sys.argv[0]))
parent = os.path.dirname(here)
root = os.path.basename(parent)
version = root.split("-")[1]

version_re = re.compile('\((.*)\)')
letter = re.compile('[a-z]')


if auto_version and old_version is None:
    lines = [version_re.search(line).group(1)
             for  line in 
               open(os.path.join(parent, 
                                 'debian', 'changelog')).readlines()
               if line.startswith('twisted')]
    if letter.search(version):
        for line in lines:
            if not letter.search(line):
                old_version = line
                break

os.chdir(os.path.dirname(parent))
if auto_version and old_version:
    new_version = old_version.split("-")[0]+'+'+version
else:
    new_version = version

os.system("mv Twisted-%(version)s twisted-%(new_version)s" % vars())
os.system("tar czf twisted_%(new_version)s.orig.tar.gz "
                  "twisted-%(new_version)s" % vars())
os.chdir("twisted-%(new_version)s" % vars())
if auto_version:
    lines = open('debian/changelog').readlines()
    lines[0]='twisted (%(new_version)s-1) unstable; urgency=low\n' % vars()
    open('debian/changelog', 'w').writelines(lines)
if run_dch:
    os.system("dch")
os.system("dpkg-buildpackage -rfakeroot -us -uc")

if install:
    current = os.getcwd()
    os.chdir("..")
    for file in os.listdir('.'):
        if not os.path.isfile(file):
            continue
        base = file.split("_")[0]
        os.system("rm -f %(install)s/%(base)s*" % vars())
        os.system("cp %(file)s %(install)s" % vars())
    os.chdir(install)
    os.system("%(current)s/admin/createpackages "
              "%(current)s/admin/override" % vars())