| # -*- coding: utf-8 -*- |
| # Copyright 2014 Google Inc. All Rights Reserved. |
| # |
| # 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. |
| |
| """Contains classes related to argparse-based argument parsing.""" |
| |
| from tab_complete import CompleterType |
| |
| |
| class CommandArgument(object): |
| """Argparse style argument.""" |
| |
| def __init__(self, *args, **kwargs): |
| """Constructs an argparse argument with the given data. |
| |
| See add_argument in argparse for description of the options. |
| The only deviation from the argparse arguments is the 'completer' parameter. |
| If 'completer' is present, it's used as the argcomplete completer for the |
| argument. |
| |
| Args: |
| *args: Position args to pass to argparse add_argument |
| **kwargs: Named args to pass to argparse add_argument |
| """ |
| completer = None |
| if 'completer' in kwargs: |
| completer = kwargs['completer'] |
| del kwargs['completer'] |
| self.args = args |
| self.kwargs = kwargs |
| self.completer = completer |
| |
| @staticmethod |
| def MakeZeroOrMoreCloudURLsArgument(): |
| """Constructs an argument that takes 0 or more Cloud URLs as parameters.""" |
| return CommandArgument( |
| 'file', nargs='*', completer=CompleterType.CLOUD_OBJECT) |
| |
| @staticmethod |
| def MakeZeroOrMoreCloudBucketURLsArgument(): |
| """Constructs an argument that takes 0+ Cloud bucket URLs as parameters.""" |
| return CommandArgument( |
| 'file', nargs='*', completer=CompleterType.CLOUD_BUCKET) |
| |
| @staticmethod |
| def MakeNCloudBucketURLsArgument(n): |
| """Constructs an argument that takes N Cloud bucket URLs as parameters.""" |
| return CommandArgument( |
| 'file', nargs=n, completer=CompleterType.CLOUD_BUCKET) |
| |
| @staticmethod |
| def MakeNCloudURLsArgument(n): |
| """Constructs an argument that takes N Cloud URLs as parameters.""" |
| return CommandArgument( |
| 'file', nargs=n, completer=CompleterType.CLOUD_OBJECT) |
| |
| @staticmethod |
| def MakeZeroOrMoreCloudOrFileURLsArgument(): |
| """Constructs an argument that takes 0 or more Cloud or File URLs.""" |
| return CommandArgument( |
| 'file', nargs='*', completer=CompleterType.CLOUD_OR_LOCAL_OBJECT) |
| |
| @staticmethod |
| def MakeNCloudOrFileURLsArgument(n): |
| """Constructs an argument that takes N Cloud or File URLs as parameters.""" |
| return CommandArgument( |
| 'file', nargs=n, completer=CompleterType.CLOUD_OR_LOCAL_OBJECT) |
| |
| @staticmethod |
| def MakeZeroOrMoreFileURLsArgument(): |
| """Constructs an argument that takes 0 or more File URLs as parameters.""" |
| return CommandArgument( |
| 'file', nargs='*', completer=CompleterType.LOCAL_OBJECT) |
| |
| @staticmethod |
| def MakeNFileURLsArgument(n): |
| """Constructs an argument that takes N File URLs as parameters.""" |
| return CommandArgument( |
| 'file', nargs=n, completer=CompleterType.LOCAL_OBJECT) |
| |
| @staticmethod |
| def MakeFileURLOrCannedACLArgument(): |
| """Constructs an argument that takes a File URL or a canned ACL.""" |
| return CommandArgument( |
| 'file', nargs=1, completer=CompleterType.LOCAL_OBJECT_OR_CANNED_ACL) |
| |
| @staticmethod |
| def MakeFreeTextArgument(): |
| """Constructs an argument that takes arbitrary text.""" |
| return CommandArgument('text', completer=CompleterType.NO_OP) |