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| 1 # -*- coding: utf-8 -*- | |
| 2 # Copyright 2014 Google Inc. All Rights Reserved. | |
| 3 # | |
| 4 # Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 # you may not use this file except in compliance with the License. | |
| 6 # You may obtain a copy of the License at | |
| 7 # | |
| 8 # http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 # | |
| 10 # Unless required by applicable law or agreed to in writing, software | |
| 11 # distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 # See the License for the specific language governing permissions and | |
| 14 # limitations under the License. | |
| 15 | |
| 16 """Contains classes related to argparse-based argument parsing.""" | |
| 17 | |
| 18 from tab_complete import CompleterType | |
| 19 | |
| 20 | |
| 21 class CommandArgument(object): | |
| 22 """Argparse style argument.""" | |
| 23 | |
| 24 def __init__(self, *args, **kwargs): | |
| 25 """Constructs an argparse argument with the given data. | |
| 26 | |
| 27 See add_argument in argparse for description of the options. | |
| 28 The only deviation from the argparse arguments is the 'completer' parameter. | |
| 29 If 'completer' is present, it's used as the argcomplete completer for the | |
| 30 argument. | |
| 31 | |
| 32 Args: | |
| 33 *args: Position args to pass to argparse add_argument | |
| 34 **kwargs: Named args to pass to argparse add_argument | |
| 35 """ | |
| 36 completer = None | |
| 37 if 'completer' in kwargs: | |
| 38 completer = kwargs['completer'] | |
| 39 del kwargs['completer'] | |
| 40 self.args = args | |
| 41 self.kwargs = kwargs | |
| 42 self.completer = completer | |
| 43 | |
| 44 @staticmethod | |
| 45 def MakeZeroOrMoreCloudURLsArgument(): | |
| 46 """Constructs an argument that takes 0 or more Cloud URLs as parameters.""" | |
| 47 return CommandArgument( | |
| 48 'file', nargs='*', completer=CompleterType.CLOUD_OBJECT) | |
| 49 | |
| 50 @staticmethod | |
| 51 def MakeZeroOrMoreCloudBucketURLsArgument(): | |
| 52 """Constructs an argument that takes 0+ Cloud bucket URLs as parameters.""" | |
| 53 return CommandArgument( | |
| 54 'file', nargs='*', completer=CompleterType.CLOUD_BUCKET) | |
| 55 | |
| 56 @staticmethod | |
| 57 def MakeNCloudBucketURLsArgument(n): | |
| 58 """Constructs an argument that takes N Cloud bucket URLs as parameters.""" | |
| 59 return CommandArgument( | |
| 60 'file', nargs=n, completer=CompleterType.CLOUD_BUCKET) | |
| 61 | |
| 62 @staticmethod | |
| 63 def MakeNCloudURLsArgument(n): | |
| 64 """Constructs an argument that takes N Cloud URLs as parameters.""" | |
| 65 return CommandArgument( | |
| 66 'file', nargs=n, completer=CompleterType.CLOUD_OBJECT) | |
| 67 | |
| 68 @staticmethod | |
| 69 def MakeZeroOrMoreCloudOrFileURLsArgument(): | |
| 70 """Constructs an argument that takes 0 or more Cloud or File URLs.""" | |
| 71 return CommandArgument( | |
| 72 'file', nargs='*', completer=CompleterType.CLOUD_OR_LOCAL_OBJECT) | |
| 73 | |
| 74 @staticmethod | |
| 75 def MakeNCloudOrFileURLsArgument(n): | |
| 76 """Constructs an argument that takes N Cloud or File URLs as parameters.""" | |
| 77 return CommandArgument( | |
| 78 'file', nargs=n, completer=CompleterType.CLOUD_OR_LOCAL_OBJECT) | |
| 79 | |
| 80 @staticmethod | |
| 81 def MakeZeroOrMoreFileURLsArgument(): | |
| 82 """Constructs an argument that takes 0 or more File URLs as parameters.""" | |
| 83 return CommandArgument( | |
| 84 'file', nargs='*', completer=CompleterType.LOCAL_OBJECT) | |
| 85 | |
| 86 @staticmethod | |
| 87 def MakeNFileURLsArgument(n): | |
| 88 """Constructs an argument that takes N File URLs as parameters.""" | |
| 89 return CommandArgument( | |
| 90 'file', nargs=n, completer=CompleterType.LOCAL_OBJECT) | |
| 91 | |
| 92 @staticmethod | |
| 93 def MakeFileURLOrCannedACLArgument(): | |
| 94 """Constructs an argument that takes a File URL or a canned ACL.""" | |
| 95 return CommandArgument( | |
| 96 'file', nargs=1, completer=CompleterType.LOCAL_OBJECT_OR_CANNED_ACL) | |
| 97 | |
| 98 @staticmethod | |
| 99 def MakeFreeTextArgument(): | |
| 100 """Constructs an argument that takes arbitrary text.""" | |
| 101 return CommandArgument('text', completer=CompleterType.NO_OP) | |
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