2009-08-07 13:27:45 +02:00

112 lines
3.6 KiB
Python

# -*- coding: utf-8 -*-
#
# common.py - common methods used by requestsync
#
# Copyright © 2009 Michael Bienia <geser@ubuntu.com>
#
# This module may contain code written by other authors/contributors to
# the main requestsync script. See there for their names.
#
# 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; version 2
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# Please see the /usr/share/common-licenses/GPL-2 file for the full text
# of the GNU General Public License license.
import os
import sys
import urllib2
import re
import tempfile
import subprocess
from debian_bundle.changelog import Changelog
def raw_input_exit_on_ctrlc(*args, **kwargs):
'''
A wrapper around raw_input() to exit with a normalized message on Control-C
'''
try:
return raw_input(*args, **kwargs)
except KeyboardInterrupt:
print 'Abort requested. No sync request filed.'
sys.exit(1)
def getDebianChangelog(srcpkg, version):
'''
Return the new changelog entries upto 'version'.
'''
pkgname = srcpkg.getPackageName()
component = srcpkg.getComponent()
if pkgname.startswith('lib'):
subdir = 'lib%s' % pkgname[3]
else:
subdir = pkgname[0]
# Get the debian changelog file from packages.debian.org
try:
changelog = urllib2.urlopen(
'http://packages.debian.org/changelogs/pool/%s/%s/%s/current/changelog.txt' % \
(component, subdir, pkgname))
except urllib2.HTTPError, error:
print >> sys.stderr, 'Unable to connect to packages.debian.org: %s' % error
return None
new_entries = ''
changelog = Changelog(changelog.read())
for block in changelog._blocks:
if block.version > version:
new_entries += str(block)
return new_entries
def edit_report(subject, body, changes_required = False):
'''Edit a report (consisting of subject and body) in sensible-editor.
subject and body get decorated, before they are written to the
temporary file and undecorated after editing again.
If changes_required is True and the file has not been edited (according
to its mtime), an error is written to STDERR and the program exits.
Returns (new_subject, new_body).
'''
report = 'Summary (one line):\n%s\n\nDescription:\n%s' % (subject, body)
# Create tempfile and remember mtime
report_file = tempfile.NamedTemporaryFile(prefix='requestsync_')
report_file.file.write(report)
report_file.file.flush()
mtime_before = os.stat(report_file.name).st_mtime
# Launch editor
try:
editor = subprocess.check_call(['sensible-editor', report_file.name])
except subprocess.CalledProcessError, e:
print >> sys.stderr, 'Error calling sensible-editor: %s\nAborting.' % (e,)
sys.exit(1)
# Check if the tempfile has been changed
if changes_required:
report_file_info = os.stat(report_file.name)
if mtime_before == os.stat(report_file.name).st_mtime:
print >> sys.stderr, 'The temporary file %s has not been changed, but you have\nto explain why the Ubuntu changes can be dropped. Aborting. [Press ENTER]' % (report_file.name,)
raw_input()
sys.exit(1)
report_file.file.seek(0)
report = report_file.file.read()
report_file.file.close()
# Undecorate report again
(new_subject, new_body) = report.split("\nDescription:\n", 1)
# Remove prefix and whitespace from subject
new_subject = re.sub('^Summary \(one line\):\s*', '', new_subject, 1).strip()
return (new_subject, new_body)