root / kamaki / cli / argument / __init__.py @ b7ff6e0c
History | View | Annotate | Download (14.6 kB)
1 | e3f01d64 | Stavros Sachtouris | # Copyright 2012-2013 GRNET S.A. All rights reserved.
|
---|---|---|---|
2 | b9331a9f | Stavros Sachtouris | #
|
3 | b9331a9f | Stavros Sachtouris | # Redistribution and use in source and binary forms, with or
|
4 | b9331a9f | Stavros Sachtouris | # without modification, are permitted provided that the following
|
5 | b9331a9f | Stavros Sachtouris | # conditions are met:
|
6 | b9331a9f | Stavros Sachtouris | #
|
7 | b9331a9f | Stavros Sachtouris | # 1. Redistributions of source code must retain the above
|
8 | b9331a9f | Stavros Sachtouris | # copyright notice, this list of conditions and the following
|
9 | b9331a9f | Stavros Sachtouris | # disclaimer.
|
10 | b9331a9f | Stavros Sachtouris | #
|
11 | b9331a9f | Stavros Sachtouris | # 2. Redistributions in binary form must reproduce the above
|
12 | b9331a9f | Stavros Sachtouris | # copyright notice, this list of conditions and the following
|
13 | b9331a9f | Stavros Sachtouris | # disclaimer in the documentation and/or other materials
|
14 | b9331a9f | Stavros Sachtouris | # provided with the distribution.
|
15 | b9331a9f | Stavros Sachtouris | #
|
16 | b9331a9f | Stavros Sachtouris | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
|
17 | b9331a9f | Stavros Sachtouris | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
18 | b9331a9f | Stavros Sachtouris | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
19 | b9331a9f | Stavros Sachtouris | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
|
20 | b9331a9f | Stavros Sachtouris | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
21 | b9331a9f | Stavros Sachtouris | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
22 | b9331a9f | Stavros Sachtouris | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
23 | b9331a9f | Stavros Sachtouris | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
24 | b9331a9f | Stavros Sachtouris | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
25 | b9331a9f | Stavros Sachtouris | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
26 | b9331a9f | Stavros Sachtouris | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
27 | b9331a9f | Stavros Sachtouris | # POSSIBILITY OF SUCH DAMAGE.
|
28 | b9331a9f | Stavros Sachtouris | #
|
29 | b9331a9f | Stavros Sachtouris | # The views and conclusions contained in the software and
|
30 | b9331a9f | Stavros Sachtouris | # documentation are those of the authors and should not be
|
31 | b9331a9f | Stavros Sachtouris | # interpreted as representing official policies, either expressed
|
32 | b9331a9f | Stavros Sachtouris | # or implied, of GRNET S.A.
|
33 | 9bdc89da | Stavros Sachtouris | |
34 | c270fe96 | Stavros Sachtouris | from kamaki.cli.config import Config |
35 | b696ed2c | Stavros Sachtouris | from kamaki.cli.errors import CLISyntaxError, raiseCLIError |
36 | e0f40c94 | Stavros Sachtouris | from kamaki.cli.utils import split_input |
37 | 7637d600 | Stavros Sachtouris | |
38 | 04d01cd4 | Stavros Sachtouris | from datetime import datetime as dtm |
39 | ea4a21b8 | Stavros Sachtouris | from time import mktime |
40 | db8d1766 | Stavros Sachtouris | |
41 | 7637d600 | Stavros Sachtouris | from logging import getLogger |
42 | af6de846 | Stavros Sachtouris | from argparse import ArgumentParser, ArgumentError |
43 | 2703cceb | Stavros Sachtouris | from argparse import RawDescriptionHelpFormatter |
44 | dfee2caf | Stavros Sachtouris | |
45 | fd1f1d96 | Stavros Sachtouris | try:
|
46 | 365280ca | Stavros Sachtouris | from progress.bar import ShadyBar as KamakiProgressBar |
47 | fd1f1d96 | Stavros Sachtouris | except ImportError: |
48 | ca092af4 | Stavros Sachtouris | try:
|
49 | ca092af4 | Stavros Sachtouris | from progress.bar import Bar as KamakiProgressBar |
50 | ca092af4 | Stavros Sachtouris | except ImportError: |
51 | ca092af4 | Stavros Sachtouris | pass
|
52 | fd1f1d96 | Stavros Sachtouris | # progress not installed - pls, pip install progress
|
53 | fd1f1d96 | Stavros Sachtouris | pass
|
54 | fd1f1d96 | Stavros Sachtouris | |
55 | 7637d600 | Stavros Sachtouris | log = getLogger(__name__) |
56 | db8d1766 | Stavros Sachtouris | |
57 | fd5db045 | Stavros Sachtouris | |
58 | dfee2caf | Stavros Sachtouris | class Argument(object): |
59 | edb7fc1a | Stavros Sachtouris | """An argument that can be parsed from command line or otherwise.
|
60 | 5286e2c3 | Stavros Sachtouris | This is the top-level Argument class. It is suggested to extent this
|
61 | edb7fc1a | Stavros Sachtouris | class into more specific argument types.
|
62 | edb7fc1a | Stavros Sachtouris | """
|
63 | dfee2caf | Stavros Sachtouris | |
64 | dfee2caf | Stavros Sachtouris | def __init__(self, arity, help=None, parsed_name=None, default=None): |
65 | 606fe15f | Stavros Sachtouris | self.arity = int(arity) |
66 | 5286e2c3 | Stavros Sachtouris | self.help = '%s' % help or '' |
67 | dfee2caf | Stavros Sachtouris | |
68 | f17d6cb5 | Stavros Sachtouris | assert parsed_name, 'No parsed name for argument %s' % self |
69 | f17d6cb5 | Stavros Sachtouris | self.parsed_name = list(parsed_name) if isinstance( |
70 | f17d6cb5 | Stavros Sachtouris | parsed_name, list) or isinstance(parsed_name, tuple) else ( |
71 | f17d6cb5 | Stavros Sachtouris | '%s' % parsed_name).split()
|
72 | f17d6cb5 | Stavros Sachtouris | for name in self.parsed_name: |
73 | f17d6cb5 | Stavros Sachtouris | assert name.count(' ') == 0, '%s: Invalid parse name "%s"' % ( |
74 | f17d6cb5 | Stavros Sachtouris | self, name)
|
75 | f17d6cb5 | Stavros Sachtouris | msg = '%s: Invalid parse name "%s" should start with a "-"' % (
|
76 | f17d6cb5 | Stavros Sachtouris | self, name)
|
77 | f17d6cb5 | Stavros Sachtouris | assert name.startswith('-'), msg |
78 | f17d6cb5 | Stavros Sachtouris | |
79 | f17d6cb5 | Stavros Sachtouris | self.default = default or (None if self.arity else False) |
80 | dfee2caf | Stavros Sachtouris | |
81 | fd5db045 | Stavros Sachtouris | @property
|
82 | dfee2caf | Stavros Sachtouris | def value(self): |
83 | dfee2caf | Stavros Sachtouris | return getattr(self, '_value', self.default) |
84 | fd5db045 | Stavros Sachtouris | |
85 | dfee2caf | Stavros Sachtouris | @value.setter
|
86 | dfee2caf | Stavros Sachtouris | def value(self, newvalue): |
87 | dfee2caf | Stavros Sachtouris | self._value = newvalue
|
88 | dfee2caf | Stavros Sachtouris | |
89 | dfee2caf | Stavros Sachtouris | def update_parser(self, parser, name): |
90 | edb7fc1a | Stavros Sachtouris | """Update argument parser with self info"""
|
91 | f17d6cb5 | Stavros Sachtouris | action = 'append' if self.arity < 0 else ( |
92 | f17d6cb5 | Stavros Sachtouris | 'store' if self.arity else 'store_true') |
93 | de73876b | Stavros Sachtouris | parser.add_argument( |
94 | de73876b | Stavros Sachtouris | *self.parsed_name,
|
95 | f17d6cb5 | Stavros Sachtouris | dest=name, action=action, default=self.default, help=self.help) |
96 | dfee2caf | Stavros Sachtouris | |
97 | fd5db045 | Stavros Sachtouris | |
98 | 9bdc89da | Stavros Sachtouris | class ConfigArgument(Argument): |
99 | 439926dd | Stavros Sachtouris | """Manage a kamaki configuration (file)"""
|
100 | edb7fc1a | Stavros Sachtouris | |
101 | a7aacf12 | Stavros Sachtouris | def __init__(self, help, parsed_name=('-c', '--config')): |
102 | a7aacf12 | Stavros Sachtouris | super(ConfigArgument, self).__init__(1, help, parsed_name, None) |
103 | a7aacf12 | Stavros Sachtouris | self.file_path = None |
104 | e9a92550 | Stavros Sachtouris | |
105 | fd5db045 | Stavros Sachtouris | @property
|
106 | c41a86b2 | Stavros Sachtouris | def value(self): |
107 | a7aacf12 | Stavros Sachtouris | return super(ConfigArgument, self).value |
108 | fd5db045 | Stavros Sachtouris | |
109 | c41a86b2 | Stavros Sachtouris | @value.setter
|
110 | c41a86b2 | Stavros Sachtouris | def value(self, config_file): |
111 | e9a92550 | Stavros Sachtouris | if config_file:
|
112 | e9a92550 | Stavros Sachtouris | self._value = Config(config_file)
|
113 | a7aacf12 | Stavros Sachtouris | self.file_path = config_file
|
114 | a7aacf12 | Stavros Sachtouris | elif self.file_path: |
115 | a7aacf12 | Stavros Sachtouris | self._value = Config(self.file_path) |
116 | e9a92550 | Stavros Sachtouris | else:
|
117 | e9a92550 | Stavros Sachtouris | self._value = Config()
|
118 | 9bdc89da | Stavros Sachtouris | |
119 | c41a86b2 | Stavros Sachtouris | def get(self, group, term): |
120 | 439926dd | Stavros Sachtouris | """Get a configuration setting from the Config object"""
|
121 | c41a86b2 | Stavros Sachtouris | return self.value.get(group, term) |
122 | c41a86b2 | Stavros Sachtouris | |
123 | a7aacf12 | Stavros Sachtouris | @property
|
124 | a7aacf12 | Stavros Sachtouris | def groups(self): |
125 | 362adf50 | Stavros Sachtouris | suffix = '_cli'
|
126 | 362adf50 | Stavros Sachtouris | slen = len(suffix)
|
127 | 362adf50 | Stavros Sachtouris | return [term[:-slen] for term in self.value.keys('global') if ( |
128 | 362adf50 | Stavros Sachtouris | term.endswith(suffix))] |
129 | f724cd35 | Stavros Sachtouris | |
130 | a7aacf12 | Stavros Sachtouris | @property
|
131 | a7aacf12 | Stavros Sachtouris | def cli_specs(self): |
132 | 362adf50 | Stavros Sachtouris | suffix = '_cli'
|
133 | 362adf50 | Stavros Sachtouris | slen = len(suffix)
|
134 | 362adf50 | Stavros Sachtouris | return [(k[:-slen], v) for k, v in self.value.items('global') if ( |
135 | 362adf50 | Stavros Sachtouris | k.endswith(suffix))] |
136 | 362adf50 | Stavros Sachtouris | |
137 | 362adf50 | Stavros Sachtouris | def get_global(self, option): |
138 | 362adf50 | Stavros Sachtouris | return self.value.get_global(option) |
139 | 362adf50 | Stavros Sachtouris | |
140 | 144b3551 | Stavros Sachtouris | def get_cloud(self, cloud, option): |
141 | 144b3551 | Stavros Sachtouris | return self.value.get_cloud(cloud, option) |
142 | 017d37ce | Stavros Sachtouris | |
143 | f17d6cb5 | Stavros Sachtouris | |
144 | a7aacf12 | Stavros Sachtouris | _config_arg = ConfigArgument('Path to config file')
|
145 | 017d37ce | Stavros Sachtouris | |
146 | fd5db045 | Stavros Sachtouris | |
147 | 1bd4f765 | Stavros Sachtouris | class RuntimeConfigArgument(Argument): |
148 | edb7fc1a | Stavros Sachtouris | """Set a run-time setting option (not persistent)"""
|
149 | edb7fc1a | Stavros Sachtouris | |
150 | c41a86b2 | Stavros Sachtouris | def __init__(self, config_arg, help='', parsed_name=None, default=None): |
151 | c41a86b2 | Stavros Sachtouris | super(self.__class__, self).__init__(1, help, parsed_name, default) |
152 | c41a86b2 | Stavros Sachtouris | self._config_arg = config_arg
|
153 | c41a86b2 | Stavros Sachtouris | |
154 | fd5db045 | Stavros Sachtouris | @property
|
155 | c41a86b2 | Stavros Sachtouris | def value(self): |
156 | 34c480f2 | Stavros Sachtouris | return super(RuntimeConfigArgument, self).value |
157 | fd5db045 | Stavros Sachtouris | |
158 | c41a86b2 | Stavros Sachtouris | @value.setter
|
159 | c41a86b2 | Stavros Sachtouris | def value(self, options): |
160 | c41a86b2 | Stavros Sachtouris | if options == self.default: |
161 | c41a86b2 | Stavros Sachtouris | return
|
162 | fd5db045 | Stavros Sachtouris | if not isinstance(options, list): |
163 | a517ff50 | Stavros Sachtouris | options = ['%s' % options]
|
164 | c41a86b2 | Stavros Sachtouris | for option in options: |
165 | c41a86b2 | Stavros Sachtouris | keypath, sep, val = option.partition('=')
|
166 | c41a86b2 | Stavros Sachtouris | if not sep: |
167 | de73876b | Stavros Sachtouris | raiseCLIError( |
168 | de73876b | Stavros Sachtouris | CLISyntaxError('Argument Syntax Error '),
|
169 | 24ff0a35 | Stavros Sachtouris | details=[ |
170 | 24ff0a35 | Stavros Sachtouris | '%s is missing a "="',
|
171 | 24ff0a35 | Stavros Sachtouris | ' (usage: -o section.key=val)' % option])
|
172 | c41a86b2 | Stavros Sachtouris | section, sep, key = keypath.partition('.')
|
173 | 0a0b9fb6 | Stavros Sachtouris | if not sep: |
174 | 0a0b9fb6 | Stavros Sachtouris | key = section |
175 | 0a0b9fb6 | Stavros Sachtouris | section = 'global'
|
176 | 0a0b9fb6 | Stavros Sachtouris | self._config_arg.value.override(
|
177 | 0a0b9fb6 | Stavros Sachtouris | section.strip(), |
178 | fd5db045 | Stavros Sachtouris | key.strip(), |
179 | fd5db045 | Stavros Sachtouris | val.strip()) |
180 | fd5db045 | Stavros Sachtouris | |
181 | c41a86b2 | Stavros Sachtouris | |
182 | c41a86b2 | Stavros Sachtouris | class FlagArgument(Argument): |
183 | edb7fc1a | Stavros Sachtouris | """
|
184 | 439926dd | Stavros Sachtouris | :value: true if set, false otherwise
|
185 | edb7fc1a | Stavros Sachtouris | """
|
186 | edb7fc1a | Stavros Sachtouris | |
187 | 40a9c357 | Stavros Sachtouris | def __init__(self, help='', parsed_name=None, default=False): |
188 | c41a86b2 | Stavros Sachtouris | super(FlagArgument, self).__init__(0, help, parsed_name, default) |
189 | c41a86b2 | Stavros Sachtouris | |
190 | fd5db045 | Stavros Sachtouris | |
191 | c41a86b2 | Stavros Sachtouris | class ValueArgument(Argument): |
192 | edb7fc1a | Stavros Sachtouris | """
|
193 | edb7fc1a | Stavros Sachtouris | :value type: string
|
194 | edb7fc1a | Stavros Sachtouris | :value returns: given value or default
|
195 | edb7fc1a | Stavros Sachtouris | """
|
196 | edb7fc1a | Stavros Sachtouris | |
197 | c41a86b2 | Stavros Sachtouris | def __init__(self, help='', parsed_name=None, default=None): |
198 | c41a86b2 | Stavros Sachtouris | super(ValueArgument, self).__init__(1, help, parsed_name, default) |
199 | c41a86b2 | Stavros Sachtouris | |
200 | fd5db045 | Stavros Sachtouris | |
201 | 0155548b | Stavros Sachtouris | class CommaSeparatedListArgument(ValueArgument): |
202 | 0155548b | Stavros Sachtouris | """
|
203 | 0155548b | Stavros Sachtouris | :value type: string
|
204 | 0155548b | Stavros Sachtouris | :value returns: list of the comma separated values
|
205 | 0155548b | Stavros Sachtouris | """
|
206 | 0155548b | Stavros Sachtouris | |
207 | 0155548b | Stavros Sachtouris | @property
|
208 | 0155548b | Stavros Sachtouris | def value(self): |
209 | 0155548b | Stavros Sachtouris | return self._value or list() |
210 | 0155548b | Stavros Sachtouris | |
211 | 0155548b | Stavros Sachtouris | @value.setter
|
212 | 0155548b | Stavros Sachtouris | def value(self, newvalue): |
213 | 0155548b | Stavros Sachtouris | self._value = newvalue.split(',') if newvalue else list() |
214 | 0155548b | Stavros Sachtouris | |
215 | 0155548b | Stavros Sachtouris | |
216 | e3d4d442 | Stavros Sachtouris | class IntArgument(ValueArgument): |
217 | edb7fc1a | Stavros Sachtouris | |
218 | fd5db045 | Stavros Sachtouris | @property
|
219 | e3d4d442 | Stavros Sachtouris | def value(self): |
220 | 439926dd | Stavros Sachtouris | """integer (type checking)"""
|
221 | e3d4d442 | Stavros Sachtouris | return getattr(self, '_value', self.default) |
222 | fd5db045 | Stavros Sachtouris | |
223 | e3d4d442 | Stavros Sachtouris | @value.setter
|
224 | e3d4d442 | Stavros Sachtouris | def value(self, newvalue): |
225 | e3d4d442 | Stavros Sachtouris | try:
|
226 | e3d4d442 | Stavros Sachtouris | self._value = int(newvalue) |
227 | e3d4d442 | Stavros Sachtouris | except ValueError: |
228 | 24ff0a35 | Stavros Sachtouris | raiseCLIError(CLISyntaxError( |
229 | 24ff0a35 | Stavros Sachtouris | 'IntArgument Error',
|
230 | c8e17a67 | Stavros Sachtouris | details=['Value %s not an int' % newvalue]))
|
231 | fd5db045 | Stavros Sachtouris | |
232 | e3d4d442 | Stavros Sachtouris | |
233 | 04d01cd4 | Stavros Sachtouris | class DateArgument(ValueArgument): |
234 | 04d01cd4 | Stavros Sachtouris | |
235 | b7ff6e0c | Stavros Sachtouris | DATE_FORMAT = '%a %b %d %H:%M:%S %Y'
|
236 | 04d01cd4 | Stavros Sachtouris | |
237 | b7ff6e0c | Stavros Sachtouris | INPUT_FORMATS = [DATE_FORMAT, '%d-%m-%Y', '%H:%M:%S %d-%m-%Y'] |
238 | 04d01cd4 | Stavros Sachtouris | |
239 | 04d01cd4 | Stavros Sachtouris | @property
|
240 | ea4a21b8 | Stavros Sachtouris | def timestamp(self): |
241 | ea4a21b8 | Stavros Sachtouris | v = getattr(self, '_value', self.default) |
242 | ea4a21b8 | Stavros Sachtouris | return mktime(v.timetuple()) if v else None |
243 | ea4a21b8 | Stavros Sachtouris | |
244 | ea4a21b8 | Stavros Sachtouris | @property
|
245 | ea4a21b8 | Stavros Sachtouris | def formated(self): |
246 | ea4a21b8 | Stavros Sachtouris | v = getattr(self, '_value', self.default) |
247 | b7ff6e0c | Stavros Sachtouris | return v.strftime(self.DATE_FORMAT) if v else None |
248 | ea4a21b8 | Stavros Sachtouris | |
249 | ea4a21b8 | Stavros Sachtouris | @property
|
250 | 04d01cd4 | Stavros Sachtouris | def value(self): |
251 | ea4a21b8 | Stavros Sachtouris | return self.timestamp |
252 | 04d01cd4 | Stavros Sachtouris | |
253 | 04d01cd4 | Stavros Sachtouris | @value.setter
|
254 | 04d01cd4 | Stavros Sachtouris | def value(self, newvalue): |
255 | b7ff6e0c | Stavros Sachtouris | self._value = self.format_date(newvalue) |
256 | 04d01cd4 | Stavros Sachtouris | |
257 | 04d01cd4 | Stavros Sachtouris | def format_date(self, datestr): |
258 | 04d01cd4 | Stavros Sachtouris | for format in self.INPUT_FORMATS: |
259 | 04d01cd4 | Stavros Sachtouris | try:
|
260 | 04d01cd4 | Stavros Sachtouris | t = dtm.strptime(datestr, format) |
261 | 04d01cd4 | Stavros Sachtouris | except ValueError: |
262 | 04d01cd4 | Stavros Sachtouris | continue
|
263 | b7ff6e0c | Stavros Sachtouris | return t # .strftime(self.DATE_FORMAT) |
264 | b7ff6e0c | Stavros Sachtouris | raiseCLIError(None, 'Date Argument Error', details=[ |
265 | b7ff6e0c | Stavros Sachtouris | '%s not a valid date' % datestr,
|
266 | b7ff6e0c | Stavros Sachtouris | 'Correct formats:\n\t%s' % self.INPUT_FORMATS]) |
267 | 04d01cd4 | Stavros Sachtouris | |
268 | 04d01cd4 | Stavros Sachtouris | |
269 | c41a86b2 | Stavros Sachtouris | class VersionArgument(FlagArgument): |
270 | edb7fc1a | Stavros Sachtouris | """A flag argument with that prints current version"""
|
271 | edb7fc1a | Stavros Sachtouris | |
272 | fd5db045 | Stavros Sachtouris | @property
|
273 | c41a86b2 | Stavros Sachtouris | def value(self): |
274 | 439926dd | Stavros Sachtouris | """bool"""
|
275 | c41a86b2 | Stavros Sachtouris | return super(self.__class__, self).value |
276 | fd5db045 | Stavros Sachtouris | |
277 | c41a86b2 | Stavros Sachtouris | @value.setter
|
278 | c41a86b2 | Stavros Sachtouris | def value(self, newvalue): |
279 | c41a86b2 | Stavros Sachtouris | self._value = newvalue
|
280 | f17d6cb5 | Stavros Sachtouris | if newvalue:
|
281 | c41a86b2 | Stavros Sachtouris | import kamaki |
282 | fd5db045 | Stavros Sachtouris | print('kamaki %s' % kamaki.__version__)
|
283 | fd5db045 | Stavros Sachtouris | |
284 | 9bdc89da | Stavros Sachtouris | |
285 | 0a0b9fb6 | Stavros Sachtouris | class KeyValueArgument(Argument): |
286 | edb7fc1a | Stavros Sachtouris | """A Value Argument that can be repeated
|
287 | edb7fc1a | Stavros Sachtouris |
|
288 | 439926dd | Stavros Sachtouris | :syntax: --<arg> key1=value1 --<arg> key2=value2 ...
|
289 | edb7fc1a | Stavros Sachtouris | """
|
290 | edb7fc1a | Stavros Sachtouris | |
291 | 0a0b9fb6 | Stavros Sachtouris | def __init__(self, help='', parsed_name=None, default=[]): |
292 | 0a0b9fb6 | Stavros Sachtouris | super(KeyValueArgument, self).__init__(-1, help, parsed_name, default) |
293 | f3e94e06 | Stavros Sachtouris | |
294 | fd5db045 | Stavros Sachtouris | @property
|
295 | f3e94e06 | Stavros Sachtouris | def value(self): |
296 | 439926dd | Stavros Sachtouris | """
|
297 | 439926dd | Stavros Sachtouris | :input: key=value
|
298 | 439926dd | Stavros Sachtouris | :output: {'key1':'value1', 'key2':'value2', ...}
|
299 | 439926dd | Stavros Sachtouris | """
|
300 | f3e94e06 | Stavros Sachtouris | return super(KeyValueArgument, self).value |
301 | fd5db045 | Stavros Sachtouris | |
302 | fd5db045 | Stavros Sachtouris | @value.setter
|
303 | f3e94e06 | Stavros Sachtouris | def value(self, keyvalue_pairs): |
304 | 0a0b9fb6 | Stavros Sachtouris | self._value = {}
|
305 | f3e94e06 | Stavros Sachtouris | for pair in keyvalue_pairs: |
306 | fd5db045 | Stavros Sachtouris | key, sep, val = pair.partition('=')
|
307 | f3e94e06 | Stavros Sachtouris | if not sep: |
308 | de73876b | Stavros Sachtouris | raiseCLIError( |
309 | de73876b | Stavros Sachtouris | CLISyntaxError('Argument syntax error '),
|
310 | 0a0b9fb6 | Stavros Sachtouris | details='%s is missing a "=" (usage: key1=val1 )\n' % pair)
|
311 | 23803b28 | Stavros Sachtouris | self._value[key.strip()] = val.strip()
|
312 | f3e94e06 | Stavros Sachtouris | |
313 | fd1f1d96 | Stavros Sachtouris | |
314 | fd1f1d96 | Stavros Sachtouris | class ProgressBarArgument(FlagArgument): |
315 | 439926dd | Stavros Sachtouris | """Manage a progress bar"""
|
316 | fd1f1d96 | Stavros Sachtouris | |
317 | fd1f1d96 | Stavros Sachtouris | def __init__(self, help='', parsed_name='', default=True): |
318 | fd1f1d96 | Stavros Sachtouris | self.suffix = '%(percent)d%%' |
319 | fd1f1d96 | Stavros Sachtouris | super(ProgressBarArgument, self).__init__(help, parsed_name, default) |
320 | fd1f1d96 | Stavros Sachtouris | try:
|
321 | 1d329d27 | Stavros Sachtouris | KamakiProgressBar |
322 | fd1f1d96 | Stavros Sachtouris | except NameError: |
323 | 7637d600 | Stavros Sachtouris | log.warning('WARNING: no progress bar functionality')
|
324 | fd1f1d96 | Stavros Sachtouris | |
325 | 852a22e7 | Stavros Sachtouris | def clone(self): |
326 | 439926dd | Stavros Sachtouris | """Get a modifiable copy of this bar"""
|
327 | 852a22e7 | Stavros Sachtouris | newarg = ProgressBarArgument( |
328 | 852a22e7 | Stavros Sachtouris | self.help,
|
329 | 852a22e7 | Stavros Sachtouris | self.parsed_name,
|
330 | 852a22e7 | Stavros Sachtouris | self.default)
|
331 | 852a22e7 | Stavros Sachtouris | newarg._value = self._value
|
332 | 852a22e7 | Stavros Sachtouris | return newarg
|
333 | 852a22e7 | Stavros Sachtouris | |
334 | fd1f1d96 | Stavros Sachtouris | def get_generator(self, message, message_len=25): |
335 | 439926dd | Stavros Sachtouris | """Get a generator to handle progress of the bar (gen.next())"""
|
336 | fd1f1d96 | Stavros Sachtouris | if self.value: |
337 | fd1f1d96 | Stavros Sachtouris | return None |
338 | fd1f1d96 | Stavros Sachtouris | try:
|
339 | 1d329d27 | Stavros Sachtouris | self.bar = KamakiProgressBar()
|
340 | fd1f1d96 | Stavros Sachtouris | except NameError: |
341 | 329753ae | Stavros Sachtouris | self.value = None |
342 | 329753ae | Stavros Sachtouris | return self.value |
343 | 329753ae | Stavros Sachtouris | self.bar.message = message.ljust(message_len)
|
344 | 852a22e7 | Stavros Sachtouris | self.bar.suffix = '%(percent)d%% - %(eta)ds' |
345 | a10f5561 | Stavros Sachtouris | self.bar.start()
|
346 | fd1f1d96 | Stavros Sachtouris | |
347 | 852a22e7 | Stavros Sachtouris | def progress_gen(n): |
348 | 852a22e7 | Stavros Sachtouris | for i in self.bar.iter(range(int(n))): |
349 | 852a22e7 | Stavros Sachtouris | yield
|
350 | 852a22e7 | Stavros Sachtouris | yield
|
351 | 852a22e7 | Stavros Sachtouris | return progress_gen
|
352 | fd1f1d96 | Stavros Sachtouris | |
353 | 852a22e7 | Stavros Sachtouris | def finish(self): |
354 | 439926dd | Stavros Sachtouris | """Stop progress bar, return terminal cursor to user"""
|
355 | 852a22e7 | Stavros Sachtouris | if self.value: |
356 | 852a22e7 | Stavros Sachtouris | return
|
357 | 852a22e7 | Stavros Sachtouris | mybar = getattr(self, 'bar', None) |
358 | 852a22e7 | Stavros Sachtouris | if mybar:
|
359 | 852a22e7 | Stavros Sachtouris | mybar.finish() |
360 | fd1f1d96 | Stavros Sachtouris | |
361 | fd1f1d96 | Stavros Sachtouris | |
362 | de73876b | Stavros Sachtouris | _arguments = dict(
|
363 | de73876b | Stavros Sachtouris | config=_config_arg, |
364 | 144b3551 | Stavros Sachtouris | cloud=ValueArgument('Chose a cloud to connect to', ('--cloud')), |
365 | fd5db045 | Stavros Sachtouris | help=Argument(0, 'Show help message', ('-h', '--help')), |
366 | fd5db045 | Stavros Sachtouris | debug=FlagArgument('Include debug output', ('-d', '--debug')), |
367 | de73876b | Stavros Sachtouris | include=FlagArgument( |
368 | cb4a5d9c | Stavros Sachtouris | 'Include raw connection data in the output', ('-i', '--include')), |
369 | fd5db045 | Stavros Sachtouris | silent=FlagArgument('Do not output anything', ('-s', '--silent')), |
370 | fd5db045 | Stavros Sachtouris | verbose=FlagArgument('More info at response', ('-v', '--verbose')), |
371 | fd5db045 | Stavros Sachtouris | version=VersionArgument('Print current version', ('-V', '--version')), |
372 | 1bd4f765 | Stavros Sachtouris | options=RuntimeConfigArgument( |
373 | cb4a5d9c | Stavros Sachtouris | _config_arg, 'Override a config value', ('-o', '--options')) |
374 | 9bdc89da | Stavros Sachtouris | ) |
375 | cb4a5d9c | Stavros Sachtouris | |
376 | cb4a5d9c | Stavros Sachtouris | |
377 | cb4a5d9c | Stavros Sachtouris | # Initial command line interface arguments
|
378 | 439926dd | Stavros Sachtouris | |
379 | 439926dd | Stavros Sachtouris | |
380 | 7c2247a0 | Stavros Sachtouris | class ArgumentParseManager(object): |
381 | e0da0f90 | Stavros Sachtouris | """Manage (initialize and update) an ArgumentParser object"""
|
382 | e0da0f90 | Stavros Sachtouris | |
383 | 5ad77121 | Stavros Sachtouris | parser = None
|
384 | 7c2247a0 | Stavros Sachtouris | _arguments = {} |
385 | b3dd8f4b | Stavros Sachtouris | _parser_modified = False
|
386 | b3dd8f4b | Stavros Sachtouris | _parsed = None
|
387 | b3dd8f4b | Stavros Sachtouris | _unparsed = None
|
388 | e0da0f90 | Stavros Sachtouris | |
389 | e0da0f90 | Stavros Sachtouris | def __init__(self, exe, arguments=None): |
390 | e0da0f90 | Stavros Sachtouris | """
|
391 | e0da0f90 | Stavros Sachtouris | :param exe: (str) the basic command (e.g. 'kamaki')
|
392 | e0da0f90 | Stavros Sachtouris |
|
393 | e0da0f90 | Stavros Sachtouris | :param arguments: (dict) if given, overrides the global _argument as
|
394 | e0da0f90 | Stavros Sachtouris | the parsers arguments specification
|
395 | e0da0f90 | Stavros Sachtouris | """
|
396 | de73876b | Stavros Sachtouris | self.parser = ArgumentParser(
|
397 | 320aac17 | Stavros Sachtouris | add_help=False, formatter_class=RawDescriptionHelpFormatter)
|
398 | b3dd8f4b | Stavros Sachtouris | self.syntax = '%s <cmd_group> [<cmd_subbroup> ...] <cmd>' % exe |
399 | e0da0f90 | Stavros Sachtouris | if arguments:
|
400 | e0da0f90 | Stavros Sachtouris | self.arguments = arguments
|
401 | e0da0f90 | Stavros Sachtouris | else:
|
402 | e0da0f90 | Stavros Sachtouris | global _arguments
|
403 | e0da0f90 | Stavros Sachtouris | self.arguments = _arguments
|
404 | 7c2247a0 | Stavros Sachtouris | self.parse()
|
405 | e0da0f90 | Stavros Sachtouris | |
406 | e0da0f90 | Stavros Sachtouris | @property
|
407 | e0da0f90 | Stavros Sachtouris | def syntax(self): |
408 | b3dd8f4b | Stavros Sachtouris | """The command syntax (useful for help messages, descriptions, etc)"""
|
409 | e0da0f90 | Stavros Sachtouris | return self.parser.prog |
410 | e0da0f90 | Stavros Sachtouris | |
411 | e0da0f90 | Stavros Sachtouris | @syntax.setter
|
412 | e0da0f90 | Stavros Sachtouris | def syntax(self, new_syntax): |
413 | e0da0f90 | Stavros Sachtouris | self.parser.prog = new_syntax
|
414 | e0da0f90 | Stavros Sachtouris | |
415 | b3dd8f4b | Stavros Sachtouris | @property
|
416 | b3dd8f4b | Stavros Sachtouris | def arguments(self): |
417 | b3dd8f4b | Stavros Sachtouris | """(dict) arguments the parser should be aware of"""
|
418 | b3dd8f4b | Stavros Sachtouris | return self._arguments |
419 | b3dd8f4b | Stavros Sachtouris | |
420 | b3dd8f4b | Stavros Sachtouris | @arguments.setter
|
421 | b3dd8f4b | Stavros Sachtouris | def arguments(self, new_arguments): |
422 | b3dd8f4b | Stavros Sachtouris | if new_arguments:
|
423 | b3dd8f4b | Stavros Sachtouris | assert isinstance(new_arguments, dict) |
424 | b3dd8f4b | Stavros Sachtouris | self._arguments = new_arguments
|
425 | b3dd8f4b | Stavros Sachtouris | self.update_parser()
|
426 | b3dd8f4b | Stavros Sachtouris | |
427 | 7c2247a0 | Stavros Sachtouris | @property
|
428 | b3dd8f4b | Stavros Sachtouris | def parsed(self): |
429 | 7c2247a0 | Stavros Sachtouris | """(Namespace) parser-matched terms"""
|
430 | b3dd8f4b | Stavros Sachtouris | if self._parser_modified: |
431 | b3dd8f4b | Stavros Sachtouris | self.parse()
|
432 | b3dd8f4b | Stavros Sachtouris | return self._parsed |
433 | b3dd8f4b | Stavros Sachtouris | |
434 | b3dd8f4b | Stavros Sachtouris | @property
|
435 | b3dd8f4b | Stavros Sachtouris | def unparsed(self): |
436 | b3dd8f4b | Stavros Sachtouris | """(list) parser-unmatched terms"""
|
437 | b3dd8f4b | Stavros Sachtouris | if self._parser_modified: |
438 | b3dd8f4b | Stavros Sachtouris | self.parse()
|
439 | b3dd8f4b | Stavros Sachtouris | return self._unparsed |
440 | b3dd8f4b | Stavros Sachtouris | |
441 | e0da0f90 | Stavros Sachtouris | def update_parser(self, arguments=None): |
442 | e0da0f90 | Stavros Sachtouris | """Load argument specifications to parser
|
443 | e0da0f90 | Stavros Sachtouris |
|
444 | e0da0f90 | Stavros Sachtouris | :param arguments: if not given, update self.arguments instead
|
445 | e0da0f90 | Stavros Sachtouris | """
|
446 | e0da0f90 | Stavros Sachtouris | if not arguments: |
447 | b3dd8f4b | Stavros Sachtouris | arguments = self._arguments
|
448 | e0da0f90 | Stavros Sachtouris | |
449 | e0da0f90 | Stavros Sachtouris | for name, arg in arguments.items(): |
450 | e0da0f90 | Stavros Sachtouris | try:
|
451 | e0da0f90 | Stavros Sachtouris | arg.update_parser(self.parser, name)
|
452 | b3dd8f4b | Stavros Sachtouris | self._parser_modified = True |
453 | e0da0f90 | Stavros Sachtouris | except ArgumentError:
|
454 | e0da0f90 | Stavros Sachtouris | pass
|
455 | e0da0f90 | Stavros Sachtouris | |
456 | 7c2247a0 | Stavros Sachtouris | def update_arguments(self, new_arguments): |
457 | 7c2247a0 | Stavros Sachtouris | """Add to / update existing arguments
|
458 | 7c2247a0 | Stavros Sachtouris |
|
459 | 7c2247a0 | Stavros Sachtouris | :param new_arguments: (dict)
|
460 | 7c2247a0 | Stavros Sachtouris | """
|
461 | 7c2247a0 | Stavros Sachtouris | if new_arguments:
|
462 | 7c2247a0 | Stavros Sachtouris | assert isinstance(new_arguments, dict) |
463 | 7c2247a0 | Stavros Sachtouris | self._arguments.update(new_arguments)
|
464 | 7c2247a0 | Stavros Sachtouris | self.update_parser()
|
465 | 7c2247a0 | Stavros Sachtouris | |
466 | 120126f1 | Stavros Sachtouris | def parse(self, new_args=None): |
467 | 320aac17 | Stavros Sachtouris | """Parse user input"""
|
468 | c8e17a67 | Stavros Sachtouris | try:
|
469 | 320aac17 | Stavros Sachtouris | pkargs = (new_args,) if new_args else () |
470 | 320aac17 | Stavros Sachtouris | self._parsed, unparsed = self.parser.parse_known_args(*pkargs) |
471 | c8e17a67 | Stavros Sachtouris | except SystemExit: |
472 | c8e17a67 | Stavros Sachtouris | raiseCLIError(CLISyntaxError('Argument Syntax Error'))
|
473 | b3dd8f4b | Stavros Sachtouris | for name, arg in self.arguments.items(): |
474 | b3dd8f4b | Stavros Sachtouris | arg.value = getattr(self._parsed, name, arg.default) |
475 | b3dd8f4b | Stavros Sachtouris | self._unparsed = []
|
476 | b3dd8f4b | Stavros Sachtouris | for term in unparsed: |
477 | b3dd8f4b | Stavros Sachtouris | self._unparsed += split_input(' \'%s\' ' % term) |
478 | b3dd8f4b | Stavros Sachtouris | self._parser_modified = False |