subcmds/__init__.py

# -*- coding:utf-8 -*-
#
# Copyright (C) 2008 The Android Open Source Project
#
# 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.

import os

# A mapping of the subcommand name to the class that implements it.
all_commands = {}

my_dir = os.path.dirname(__file__)
for py in os.listdir(my_dir):
  if py == '__init__.py':
    continue

  if py.endswith('.py'):
    name = py[:-3]

    clsn = name.capitalize()
    while clsn.find('_') > 0:
      h = clsn.index('_')
      clsn = clsn[0:h] + clsn[h + 1:].capitalize()

    mod = __import__(__name__,
                     globals(),
                     locals(),
                     ['%s' % name])
    mod = getattr(mod, name)
    try:
      cmd = getattr(mod, clsn)
    except AttributeError:
      raise SyntaxError('%s/%s does not define class %s' % (
          __name__, py, clsn))

    name = name.replace('_', '-')
    cmd.NAME = name
    all_commands[name] = cmd

# Add 'branch' as an alias for 'branches'.
all_commands['branch'] = all_commands['branches']