You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
50 lines
1.6 KiB
Python
50 lines
1.6 KiB
Python
# Copyright (c) 2013 The Chromium Authors. All rights reserved.
|
|
# Use of this source code is governed by a BSD-style license that can be
|
|
# found in the LICENSE file.
|
|
"""This module holds utilities which make writing configs easier."""
|
|
|
|
import json
|
|
|
|
|
|
class Config(object):
|
|
"""Base class for all configs.
|
|
|
|
Provides methods that are expected to be overridden by child classes. Also
|
|
provides an command-line parsing method that converts the unified
|
|
command-line interface used in depot_tools to the unified python interface
|
|
defined here.
|
|
"""
|
|
@staticmethod
|
|
def fetch_spec(_props):
|
|
"""Returns instructions to check out the project based on |props|."""
|
|
raise NotImplementedError
|
|
|
|
@staticmethod
|
|
def expected_root(_props):
|
|
"""Returns the directory into which the checkout will be performed."""
|
|
raise NotImplementedError
|
|
|
|
def handle_args(self, argv):
|
|
"""Passes command-line arguments through to the appropriate method."""
|
|
methods = {'fetch': self.fetch_spec, 'root': self.expected_root}
|
|
if len(argv) <= 1 or argv[1] not in methods:
|
|
print('Must specify a a fetch/root action')
|
|
return 1
|
|
|
|
def looks_like_arg(arg):
|
|
return arg.startswith('--') and arg.count('=') == 1
|
|
|
|
bad_parms = [x for x in argv[2:] if not looks_like_arg(x)]
|
|
if bad_parms:
|
|
print('Got bad arguments %s' % bad_parms)
|
|
return 1
|
|
|
|
method = methods[argv[1]]
|
|
props = dict(x.split('=', 1) for x in (y.lstrip('-') for y in argv[2:]))
|
|
|
|
self.output(method(props))
|
|
|
|
@staticmethod
|
|
def output(data):
|
|
print(json.dumps(data))
|