itp-generate.py

import debian.deb822
import debian.copyright
import debian.changelog

with open('debian/control', 'r') as f:
    ctrl_p = list(debian.deb822.Deb822.iter_paragraphs(f))

with open('debian/copyright', 'r') as f:
    copyright = debian.copyright.Copyright(f)

with open('debian/changelog', 'r') as f:
    changelog = debian.changelog.Changelog(f)

pkg_name, version, author, url, license, desc, long_desc, maint = ['']*8

for p in ctrl_p[:2]:
    for k,v in p.items():
        if k == 'Description':
            lines = v.splitlines()
            desc = lines[0]
            long_desc = '\n'.join(lines[1:])
        if k == 'Source':
            pkg_name = v
        if k == 'Homepage':
            url = v

p = copyright.find_files_paragraph('*')
license = p.license.synopsis
author = p.copyright

version = changelog.upstream_version
maint = changelog.author

tmpl = '''
From: {maint}
To: submit@bugs.debian.org
Subject: ITP: {pkg_name} -- {desc}
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
X-Debbugs-CC: debian-devel@lists.debian.org

Package: wnpp
Severity: wishlist
Owner: {maint}

* Package name    : {pkg_name}
  Version         : {version}
  Upstream Author : {author}
* URL             : {url}
* License         : {license}
  Programming Lang: TODO
  Description     : {desc}

{long_desc}
'''.format(
        pkg_name = pkg_name, 
        version = version, 
        author = author,
        url = url,
        license = license,
        desc = desc,
        long_desc = long_desc,
        maint = maint
        )
print(tmpl)