/
github_deploy.py
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/
github_deploy.py
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# -*- coding: utf-8 -*-
# Copyright © 2014-2015 Puneeth Chaganti and others.
# Permission is hereby granted, free of charge, to any
# person obtaining a copy of this software and associated
# documentation files (the "Software"), to deal in the
# Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the
# Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice
# shall be included in all copies or substantial portions of
# the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
# PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
# OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
from __future__ import print_function
from datetime import datetime
import io
import os
import subprocess
import sys
from textwrap import dedent
from nikola.plugin_categories import Command
from nikola.plugins.command.check import real_scan_files
from nikola.utils import get_logger, req_missing, makedirs, unicode_str
from nikola.__main__ import main
from nikola import __version__
def uni_check_output(*args, **kwargs):
o = subprocess.check_output(*args, **kwargs)
return o.decode('utf-8')
def check_ghp_import_installed():
try:
subprocess.check_output(['ghp-import', '-h'])
except OSError:
# req_missing defaults to `python=True` — and it’s meant to be like this.
# `ghp-import` is installed via pip, but the only way to use it is by executing the script it installs.
req_missing('ghp-import', 'deploy the site to GitHub Pages')
class CommandGitHubDeploy(Command):
""" Deploy site to GitHub Pages. """
name = 'github_deploy'
doc_usage = ''
doc_purpose = 'deploy the site to GitHub Pages'
doc_description = dedent(
"""\
This command can be used to deploy your site to GitHub Pages.
It uses ghp-import to do this task.
"""
)
logger = None
def _execute(self, command, args):
self.logger = get_logger(
CommandGitHubDeploy.name, self.site.loghandlers
)
# Check if ghp-import is installed
check_ghp_import_installed()
# Build before deploying
build = main(['build'])
if build != 0:
self.logger.error('Build failed, not deploying to GitHub')
sys.exit(build)
# Clean non-target files
only_on_output, _ = real_scan_files(self.site)
for f in only_on_output:
os.unlink(f)
# Commit and push
self._commit_and_push()
return
def _commit_and_push(self):
""" Commit all the files and push. """
source = self.site.config['GITHUB_SOURCE_BRANCH']
deploy = self.site.config['GITHUB_DEPLOY_BRANCH']
remote = self.site.config['GITHUB_REMOTE_NAME']
source_commit = uni_check_output(['git', 'rev-parse', source])
commit_message = (
'Nikola auto commit.\n\n'
'Source commit: %s'
'Nikola version: %s' % (source_commit, __version__)
)
output_folder = self.site.config['OUTPUT_FOLDER']
command = ['ghp-import', '-n', '-m', commit_message, '-p', '-r', remote, '-b', deploy, output_folder]
self.logger.info("==> {0}".format(command))
try:
subprocess.check_call(command)
except subprocess.CalledProcessError as e:
self.logger.error(
'Failed GitHub deployment — command {0} '
'returned {1}'.format(e.cmd, e.returncode)
)
sys.exit(e.returncode)
self.logger.info("Successful deployment")
# Store timestamp of successful deployment
timestamp_path = os.path.join(self.site.config["CACHE_FOLDER"], "lastdeploy")
new_deploy = datetime.utcnow()
makedirs(self.site.config["CACHE_FOLDER"])
with io.open(timestamp_path, "w+", encoding="utf8") as outf:
outf.write(unicode_str(new_deploy.isoformat()))