project_release.py

project_release.py

import os
import pwd
import subprocess
import sys

from oslo.concurrency import processutils

from Cheetah.Template import Template


def get_changes(from_version):
    cmd = [
        'git', 'log', "%s..HEAD" % from_version,
        '--format=%s', '--no-merges',
    ]
    stdout, stderr = processutils.execute(*cmd, check_exit_code=True)
    changes = []
    for line in stdout.splitlines():
        line = line.strip()
        if not line:
            continue
        changes.append(line)
    return (changes, " ".join(cmd))


def render(content, params):
    return Template(content, searchList=[params]).respond()


TPL = """
#if $series_name
The $team_name team is pleased to announce the release of $project $version, the first release in the $series_name series for $project.
#else
The $team_name team is pleased to announce the release of $project $version,
#end if

Documentation for the library is available at $doc_url
#if $changes

This release includes the following changes:

\$ $change_cmd

#for $c in $changes
$c
#end for

$prior_version...
#end if

Please report issues via launchpad: $bug_url

Thanks,

$me
"""

team_name = os.path.basename(os.getcwd())
project_name = team_name
prior_version = sys.argv[1]
version = sys.argv[2]
try:
    series_name = sys.argv[3]
except IndexError:
    series_name = None
me = pwd.getpwuid(os.getuid())[4]
changes, change_cmd = get_changes(prior_version)
params = {
    'team_name': team_name,
    'project': project_name,
    'series_name': series_name,
    'version': version,
    'doc_url': 'http://pypi.python.org/pypi/%s' % project_name,
    'bug_url': 'https://bugs.launchpad.net/%s' % project_name,
    'me': me,
    'changes': changes,
    'change_cmd': change_cmd,
    'prior_version': prior_version,
}

print(render(TPL, params=params).strip())