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#!/usr/bin/env python3
"""Make a release.
Usage:
release.py [<branch>]
For the release command $FMT_TOKEN should contain a GitHub personal access token
obtained from https://github.com/settings/tokens.
"""
from __future__ import print_function
import datetime, docopt, errno, fileinput, json, os
import re, shutil, sys
from subprocess import check_call
import urllib.request
class Git:
def __init__(self, dir):
self.dir = dir
def call(self, method, args, **kwargs):
return check_call(['git', method] + list(args), **kwargs)
def add(self, *args):
return self.call('add', args, cwd=self.dir)
def checkout(self, *args):
return self.call('checkout', args, cwd=self.dir)
def clean(self, *args):
return self.call('clean', args, cwd=self.dir)
def clone(self, *args):
return self.call('clone', list(args) + [self.dir])
def commit(self, *args):
return self.call('commit', args, cwd=self.dir)
def pull(self, *args):
return self.call('pull', args, cwd=self.dir)
def push(self, *args):
return self.call('push', args, cwd=self.dir)
def reset(self, *args):
return self.call('reset', args, cwd=self.dir)
def update(self, *args):
clone = not os.path.exists(self.dir)
if clone:
self.clone(*args)
return clone
def clean_checkout(repo, branch):
repo.clean('-f', '-d')
repo.reset('--hard')
repo.checkout(branch)
class Runner:
def __init__(self, cwd):
self.cwd = cwd
def __call__(self, *args, **kwargs):
kwargs['cwd'] = kwargs.get('cwd', self.cwd)
check_call(args, **kwargs)
def create_build_env():
"""Create a build environment."""
class Env:
pass
env = Env()
env.fmt_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
env.build_dir = 'build'
env.fmt_repo = Git(os.path.join(env.build_dir, 'fmt'))
return env
if __name__ == '__main__':
args = docopt.docopt(__doc__)
env = create_build_env()
fmt_repo = env.fmt_repo
branch = args.get('<branch>')
if branch is None:
branch = 'master'
if not fmt_repo.update('-b', branch, 'git@github.com:fmtlib/fmt'):
clean_checkout(fmt_repo, branch)
# Update the date in the changelog and extract the version and the first
# section content.
changelog = 'ChangeLog.md'
changelog_path = os.path.join(fmt_repo.dir, changelog)
is_first_section = True
first_section = []
for i, line in enumerate(fileinput.input(changelog_path, inplace=True)):
if i == 0:
version = re.match(r'# (.*) - TBD', line).group(1)
line = '# {} - {}\n'.format(
version, datetime.date.today().isoformat())
elif not is_first_section:
pass
elif line.startswith('#'):
is_first_section = False
else:
first_section.append(line)
sys.stdout.write(line)
if first_section[0] == '\n':
first_section.pop(0)
ns_version = None
base_h_path = os.path.join(fmt_repo.dir, 'include', 'fmt', 'base.h')
for line in fileinput.input(base_h_path):
m = re.match(r'\s*inline namespace v(.*) .*', line)
if m:
ns_version = m.group(1)
break
major_version = version.split('.')[0]
if not ns_version or ns_version != major_version:
raise Exception(f'Version mismatch {ns_version} != {major_version}')
# Workaround GitHub-flavored Markdown treating newlines as <br>.
changes = ''
code_block = False
stripped = False
for line in first_section:
if re.match(r'^\s*```', line):
code_block = not code_block
changes += line
stripped = False
continue
if code_block:
changes += line
continue
if line == '\n' or re.match(r'^\s*\|.*', line):
if stripped:
changes += '\n'
stripped = False
changes += line
continue
if stripped:
line = ' ' + line.lstrip()
changes += line.rstrip()
stripped = True
fmt_repo.checkout('-B', 'release')
fmt_repo.add(changelog)
fmt_repo.commit('-m', 'Update version')
# Build the docs and package.
run = Runner(fmt_repo.dir)
run('cmake', '.')
run('make', 'doc', 'package_source')
# Create a release on GitHub.
fmt_repo.push('origin', 'release')
auth_headers = {'Authorization': 'token ' + os.getenv('FMT_TOKEN')}
req = urllib.request.Request(
'https://api.github.com/repos/fmtlib/fmt/releases',
data=json.dumps({'tag_name': version,
'target_commitish': 'release',
'body': changes, 'draft': True}).encode('utf-8'),
headers=auth_headers, method='POST')
with urllib.request.urlopen(req) as response:
if response.status != 201:
raise Exception(f'Failed to create a release ' +
'{response.status} {response.reason}')
response_data = json.loads(response.read().decode('utf-8'))
id = response_data['id']
# Upload the package.
uploads_url = 'https://uploads.github.com/repos/fmtlib/fmt/releases'
package = 'fmt-{}.zip'.format(version)
req = urllib.request.Request(
f'{uploads_url}/{id}/assets?name={package}',
headers={'Content-Type': 'application/zip'} | auth_headers,
data=open('build/fmt/' + package, 'rb').read(), method='POST')
with urllib.request.urlopen(req) as response:
if response.status != 201:
raise Exception(f'Failed to upload an asset '
'{response.status} {response.reason}')
short_version = '.'.join(version.split('.')[:-1])
check_call(['./mkdocs', 'deploy', short_version])
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