scripts/gen_app_yaml.py
author Pawel Solyga <Pawel.Solyga@gmail.com>
Thu, 02 Apr 2009 10:11:38 +0000
changeset 2051 cecbef1289a5
parent 1944 992ab773e3ff
child 3073 6e100e194680
permissions -rwxr-xr-x
Make the mentor and organization admin comment submission on student proposal nicer. Now drop down box allows you to select comment type and based on selected type and your current Role shows you available comment options. Left TODO to put inline JS into separate JS file. Patch by: Tim Ansell (small fixes by Pawel Solyga) Reviewed by: Pawel Solyga

#! /usr/bin/python2.5

# Copyright 2009 the Melange authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""A script to generate the app.yaml from the template with an application
name filled in.

Usage:
  gen_app_yaml.py [-f] APPLICATION_NAME

Arguments:
  APPLICATION_NAME: the name to use for the application (no underscores)

Flags:
  -f:  overwrite an existing app.yaml (default=false)
"""

from __future__ import with_statement

__authors__ = [
    # alphabetical order by last name, please
    '"Dan Bentley" <dbentley@google.com>',
    ]


import os
import sys


def generateAppYaml(application_name, force=False):
  """Generate the app.yaml file.

  Args:
    application_name: str, the name to write into the application filed
    force: bool, whether to overwrite an existing app.yaml
  """

  scripts_directory = os.path.dirname(__file__)
  app_dir = os.path.abspath(os.path.join(scripts_directory, '../app'))
  template_path = os.path.join(app_dir, 'app.yaml.template')
  app_yaml_path = os.path.join(app_dir, 'app.yaml')

  if not os.path.exists(template_path):
    sys.exit("Template file %s non-existent. Corrupt client?" % template_path)

  if os.path.exists(app_yaml_path):
    if not force:
      sys.exit("%s exists; exiting. To overwrite, pass -f on the command-line"
               % app_yaml_path)

  with open(template_path) as infile:
    template_contents = infile.read()

  app_yaml_contents = template_contents.replace(
      '# application: FIXME',
      'application: '+ application_name)

  with open(app_yaml_path, 'w') as outfile:
    outfile.write(app_yaml_contents)

  print "Wrote application name %s to %s." % (application_name, app_yaml_path)


def usage(msg):
  """Print an error message and the usage of the program; then quit.
  """

  sys.exit('Error: %s\n\n%s' % (msg, __doc__))


def main(args):
  """Main program.
  """

  if not args:
    usage("No arguments supplied.")

  if args[0] == '-f':
    force = True
    args = args[1:]
  else:
    force = False

  if len(args) != 1:
    usage("No application name supplied.")

  application_name = args[0]
  generateAppYaml(application_name, force=force)


if __name__ == '__main__':
  main(sys.argv[1:]) # strip off the binary name