/usr/lib/python2.7/dist-packages/charmtools/templates/reactive_python/template.py is in charm-tools 2.1.2-0ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 | #!/usr/bin/python
#
# Copyright (C) 2014 Canonical Ltd.
#
# 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, either version 3 of the License, or
# (at your option) any later version.
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import logging
import os
import os.path as path
import time
import shutil
import subprocess
import tempfile
from Cheetah.Template import Template
from stat import ST_MODE
from charmtools.generators import (
CharmTemplate,
)
log = logging.getLogger(__name__)
class ReactivePythonCharmTemplate(CharmTemplate):
"""Creates a reactive, layered python-based charm"""
# _EXTRA_FILES is the list of names of files present in the git repo
# we don't want transferred over to the charm template:
_EXTRA_FILES = ["README.md", ".git", ".gitmodules"]
_TEMPLATE_URL = "https://github.com/juju-solutions/template-reactive-python"
def create_charm(self, config, output_dir):
self._clone_template(config, output_dir)
for root, dirs, files in os.walk(output_dir):
for outfile in files:
if self.skip_template(outfile):
continue
self._template_file(config, path.join(root, outfile))
def _template_file(self, config, outfile):
if path.islink(outfile):
return
mode = os.stat(outfile)[ST_MODE]
t = Template(file=outfile, searchList=(config))
o = tempfile.NamedTemporaryFile(
dir=path.dirname(outfile), delete=False)
os.chmod(o.name, mode)
o.write(str(t))
o.close()
backupname = outfile + str(time.time())
os.rename(outfile, backupname)
os.rename(o.name, outfile)
os.unlink(backupname)
def _clone_template(self, config, output_dir):
cmd = "git clone --recursive {} {}".format(
self._TEMPLATE_URL, output_dir
)
try:
subprocess.check_call(cmd.split())
except OSError as e:
raise Exception(
"The below error has occurred whilst attempting to clone"
"the charm template. Please make sure you have git"
"installed on your system.\n" + e
)
# iterate and remove all the unwanted files from the git repo:
for item in [path.join(output_dir, i) for i in self._EXTRA_FILES]:
if not path.exists(item):
continue
if path.isdir(item) and not path.islink(item):
shutil.rmtree(item)
else:
os.remove(item)
# rename handlers.py to <charm-name>.py
new_name = '%s.py' % config['metadata']['package'].replace('-', '_')
os.rename(os.path.join(output_dir, 'reactive', 'handlers.py'),
os.path.join(output_dir, 'reactive', new_name))
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