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# -*- 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.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 '\nAbort requested. No sync request filed.'
sys.exit(1)
def getDebianChangelog(srcpkg, version):
'''
Return the new changelog entries upto 'version'.
'''
pkgname = srcpkg.getPackageName()
pkgversion = srcpkg.getVersion()
component = srcpkg.getComponent()
if pkgname.startswith('lib'):
subdir = 'lib%s' % pkgname[3]
else:
subdir = pkgname[0]
# Strip epoch from version
if ':' in pkgversion:
pkgversion = pkgversion[pkgversion.find(':')+1:]
# Get the debian changelog file from packages.debian.org
try:
changelog = urllib2.urlopen(
'http://packages.debian.org/changelogs/pool/%s/%s/%s/%s_%s/changelog.txt' % \
(component, subdir, pkgname, pkgname, pkgversion))
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:
if block.version > version:
# see also Debian #561805
new_entries += unicode(str(block).decode('utf-8'))
return new_entries
def edit_report(subject, body, changes_required = False):
'''
Ask if the user wants to edit a report (consisting of subject and body)
in sensible-editor.
If changes_required is True then the file has to be edited before we
can proceed.
Returns (new_subject, new_body).
'''
editing_finished = False
while not editing_finished:
report = 'Summary (one line):\n%s\n\nDescription:\n%s' % (subject, body)
if not changes_required:
print 'Currently the report looks as follows:\n%s' % report
while True:
val = raw_input_exit_on_ctrlc('Do you want to edit the report [y/N]? ')
if val.lower() in ('y', 'yes'):
break
elif val.lower() in ('n', 'no', ''):
editing_finished = True
break
else:
print 'Invalid answer.'
if not editing_finished:
# Create tempfile and remember mtime
report_file = tempfile.NamedTemporaryFile(prefix='requestsync_')
report_file.write(report.encode('utf-8'))
report_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:
if mtime_before == os.stat(report_file.name).st_mtime:
print 'The report has not been changed, but you have to explain why ' \
'the Ubuntu changes can be dropped.'
raw_input_exit_on_ctrlc('Press [Enter] to retry or [Control-C] to abort. ')
else:
changes_required = False
report_file.seek(0)
report = report_file.read().decode('utf-8')
report_file.close()
# Undecorate report again
(subject, body) = report.split("\nDescription:\n", 1)
# Remove prefix and whitespace from subject
subject = re.sub('^Summary \(one line\):\s*', '', subject, 1).strip()
return (subject, body)
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