root / kamaki / cli / __init__.py @ d88ba587
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1 | d486baec | Stavros Sachtouris | # Copyright 2012-2013 GRNET S.A. All rights reserved.
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2 | 7493ccb6 | Stavros Sachtouris | #
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3 | 7493ccb6 | Stavros Sachtouris | # Redistribution and use in source and binary forms, with or
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4 | 7493ccb6 | Stavros Sachtouris | # without modification, are permitted provided that the following
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5 | 7493ccb6 | Stavros Sachtouris | # conditions are met:
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6 | 7493ccb6 | Stavros Sachtouris | #
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7 | 7493ccb6 | Stavros Sachtouris | # 1. Redistributions of source code must retain the above
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8 | fd5db045 | Stavros Sachtouris | # copyright notice, this list of conditions and the following
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9 | fd5db045 | Stavros Sachtouris | # disclaimer.
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10 | 7493ccb6 | Stavros Sachtouris | #
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11 | 7493ccb6 | Stavros Sachtouris | # 2. Redistributions in binary form must reproduce the above
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12 | fd5db045 | Stavros Sachtouris | # copyright notice, this list of conditions and the following
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13 | fd5db045 | Stavros Sachtouris | # disclaimer in the documentation and/or other materials
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14 | fd5db045 | Stavros Sachtouris | # provided with the distribution.
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15 | 7493ccb6 | Stavros Sachtouris | #
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16 | 7493ccb6 | Stavros Sachtouris | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 7493ccb6 | Stavros Sachtouris | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 7493ccb6 | Stavros Sachtouris | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 7493ccb6 | Stavros Sachtouris | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 7493ccb6 | Stavros Sachtouris | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 7493ccb6 | Stavros Sachtouris | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 7493ccb6 | Stavros Sachtouris | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 7493ccb6 | Stavros Sachtouris | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 7493ccb6 | Stavros Sachtouris | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 7493ccb6 | Stavros Sachtouris | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 7493ccb6 | Stavros Sachtouris | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 7493ccb6 | Stavros Sachtouris | # POSSIBILITY OF SUCH DAMAGE.
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28 | 7493ccb6 | Stavros Sachtouris | #
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29 | 7493ccb6 | Stavros Sachtouris | # The views and conclusions contained in the software and
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30 | 7493ccb6 | Stavros Sachtouris | # documentation are those of the authors and should not be
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31 | 7493ccb6 | Stavros Sachtouris | # interpreted as representing official policies, either expressed
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32 | d486baec | Stavros Sachtouris | # or implied, of GRNET S.A.command
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33 | 7493ccb6 | Stavros Sachtouris | |
34 | 7493ccb6 | Stavros Sachtouris | import logging |
35 | d486baec | Stavros Sachtouris | from sys import argv, exit, stdout |
36 | f3e94e06 | Stavros Sachtouris | from os.path import basename |
37 | d486baec | Stavros Sachtouris | from inspect import getargspec |
38 | 3dabe5d2 | Stavros Sachtouris | |
39 | d486baec | Stavros Sachtouris | from kamaki.cli.argument import _arguments, parse_known_args, init_parser,\ |
40 | d486baec | Stavros Sachtouris | update_arguments
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41 | fd5db045 | Stavros Sachtouris | from kamaki.cli.history import History |
42 | d486baec | Stavros Sachtouris | from kamaki.cli.utils import print_dict, print_list, red, magenta, yellow |
43 | d486baec | Stavros Sachtouris | from kamaki.cli.errors import CLIError |
44 | 7493ccb6 | Stavros Sachtouris | |
45 | d486baec | Stavros Sachtouris | _help = False
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46 | d486baec | Stavros Sachtouris | _debug = False
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47 | d486baec | Stavros Sachtouris | _verbose = False
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48 | d486baec | Stavros Sachtouris | _colors = False
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49 | fd5db045 | Stavros Sachtouris | |
50 | fd5db045 | Stavros Sachtouris | |
51 | d486baec | Stavros Sachtouris | def _construct_command_syntax(cls): |
52 | fd5db045 | Stavros Sachtouris | spec = getargspec(cls.main.im_func) |
53 | fd5db045 | Stavros Sachtouris | args = spec.args[1:]
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54 | fd5db045 | Stavros Sachtouris | n = len(args) - len(spec.defaults or ()) |
55 | fd5db045 | Stavros Sachtouris | required = ' '.join('<%s>' % x\ |
56 | fd5db045 | Stavros Sachtouris | .replace('____', '[:')\ |
57 | fd5db045 | Stavros Sachtouris | .replace('___', ':')\ |
58 | fd5db045 | Stavros Sachtouris | .replace('__', ']').\ |
59 | fd5db045 | Stavros Sachtouris | replace('_', ' ') for x in args[:n]) |
60 | fd5db045 | Stavros Sachtouris | optional = ' '.join('[%s]' % x\ |
61 | fd5db045 | Stavros Sachtouris | .replace('____', '[:')\ |
62 | fd5db045 | Stavros Sachtouris | .replace('___', ':')\ |
63 | fd5db045 | Stavros Sachtouris | .replace('__', ']').\ |
64 | fd5db045 | Stavros Sachtouris | replace('_', ' ') for x in args[n:]) |
65 | fd5db045 | Stavros Sachtouris | cls.syntax = ' '.join(x for x in [required, optional] if x) |
66 | fd5db045 | Stavros Sachtouris | if spec.varargs:
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67 | fd5db045 | Stavros Sachtouris | cls.syntax += ' <%s ...>' % spec.varargs
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68 | fd5db045 | Stavros Sachtouris | |
69 | fd5db045 | Stavros Sachtouris | |
70 | d486baec | Stavros Sachtouris | def _get_cmd_tree_from_spec(spec, cmd_tree_list): |
71 | d486baec | Stavros Sachtouris | for tree in cmd_tree_list: |
72 | d486baec | Stavros Sachtouris | if tree.name == spec:
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73 | d486baec | Stavros Sachtouris | return tree
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74 | d486baec | Stavros Sachtouris | return None |
75 | 73e0914d | Stavros Sachtouris | |
76 | 7493ccb6 | Stavros Sachtouris | |
77 | d486baec | Stavros Sachtouris | _best_match = [] |
78 | fd5db045 | Stavros Sachtouris | |
79 | c41a86b2 | Stavros Sachtouris | |
80 | d486baec | Stavros Sachtouris | def _num_of_matching_terms(basic_list, attack_list): |
81 | d486baec | Stavros Sachtouris | if not attack_list: |
82 | 75c3fc42 | Stavros Sachtouris | return len(basic_list) |
83 | fd5db045 | Stavros Sachtouris | |
84 | d486baec | Stavros Sachtouris | matching_terms = 0
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85 | d486baec | Stavros Sachtouris | for i, term in enumerate(basic_list): |
86 | d486baec | Stavros Sachtouris | try:
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87 | d486baec | Stavros Sachtouris | if term != attack_list[i]:
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88 | d486baec | Stavros Sachtouris | break
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89 | d486baec | Stavros Sachtouris | except IndexError: |
90 | d486baec | Stavros Sachtouris | break
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91 | d486baec | Stavros Sachtouris | matching_terms += 1
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92 | d486baec | Stavros Sachtouris | return matching_terms
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93 | dfee2caf | Stavros Sachtouris | |
94 | fd5db045 | Stavros Sachtouris | |
95 | d486baec | Stavros Sachtouris | def _update_best_match(name_terms, prefix=[]): |
96 | d486baec | Stavros Sachtouris | if prefix:
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97 | d486baec | Stavros Sachtouris | pref_list = prefix if isinstance(prefix, list) else prefix.split('_') |
98 | d486baec | Stavros Sachtouris | else:
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99 | d486baec | Stavros Sachtouris | pref_list = [] |
100 | dfee2caf | Stavros Sachtouris | |
101 | d486baec | Stavros Sachtouris | num_of_matching_terms = _num_of_matching_terms(name_terms, pref_list) |
102 | d486baec | Stavros Sachtouris | global _best_match
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103 | e9533b0c | Stavros Sachtouris | if not prefix: |
104 | e9533b0c | Stavros Sachtouris | _best_match = [] |
105 | fd5db045 | Stavros Sachtouris | |
106 | d486baec | Stavros Sachtouris | if num_of_matching_terms and len(_best_match) <= num_of_matching_terms: |
107 | d486baec | Stavros Sachtouris | if len(_best_match) < num_of_matching_terms: |
108 | d486baec | Stavros Sachtouris | _best_match = name_terms[:num_of_matching_terms] |
109 | d486baec | Stavros Sachtouris | return True |
110 | d486baec | Stavros Sachtouris | return False |
111 | d486baec | Stavros Sachtouris | |
112 | d486baec | Stavros Sachtouris | |
113 | d486baec | Stavros Sachtouris | def command(cmd_tree, prefix='', descedants_depth=1): |
114 | d486baec | Stavros Sachtouris | """Load a class as a command
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115 | d486baec | Stavros Sachtouris | spec_cmd0_cmd1 will be command spec cmd0
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116 | d486baec | Stavros Sachtouris | @cmd_tree is initialized in cmd_spec file and is the structure
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117 | d486baec | Stavros Sachtouris | where commands are loaded. Var name should be _commands
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118 | d486baec | Stavros Sachtouris | @param prefix if given, load only commands prefixed with prefix,
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119 | d486baec | Stavros Sachtouris | @param descedants_depth is the depth of the tree descedants of the
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120 | d486baec | Stavros Sachtouris | prefix command. It is used ONLY if prefix and if prefix is not
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121 | d486baec | Stavros Sachtouris | a terminal command
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122 | d486baec | Stavros Sachtouris | """
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123 | d486baec | Stavros Sachtouris | |
124 | d486baec | Stavros Sachtouris | def wrap(cls): |
125 | d486baec | Stavros Sachtouris | cls_name = cls.__name__ |
126 | d486baec | Stavros Sachtouris | |
127 | d486baec | Stavros Sachtouris | if not cmd_tree: |
128 | d486baec | Stavros Sachtouris | if _debug:
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129 | d486baec | Stavros Sachtouris | print('Warning: command %s found but not loaded' % cls_name)
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130 | d486baec | Stavros Sachtouris | return cls
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131 | 0b368c8c | Stavros Sachtouris | |
132 | d486baec | Stavros Sachtouris | name_terms = cls_name.split('_')
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133 | d486baec | Stavros Sachtouris | if not _update_best_match(name_terms, prefix): |
134 | e9533b0c | Stavros Sachtouris | if _debug:
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135 | e9533b0c | Stavros Sachtouris | print('Warning: %s failed to update_best_match' % cls_name)
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136 | d486baec | Stavros Sachtouris | return None |
137 | fd5db045 | Stavros Sachtouris | |
138 | d486baec | Stavros Sachtouris | global _best_match
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139 | d486baec | Stavros Sachtouris | max_len = len(_best_match) + descedants_depth
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140 | d486baec | Stavros Sachtouris | if len(name_terms) > max_len: |
141 | d486baec | Stavros Sachtouris | partial = '_'.join(name_terms[:max_len])
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142 | d486baec | Stavros Sachtouris | if not cmd_tree.has_command(partial): # add partial path |
143 | d486baec | Stavros Sachtouris | cmd_tree.add_command(partial) |
144 | e9533b0c | Stavros Sachtouris | if _debug:
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145 | e9533b0c | Stavros Sachtouris | print('Warning: %s failed max_len test' % cls_name)
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146 | d486baec | Stavros Sachtouris | return None |
147 | fd5db045 | Stavros Sachtouris | |
148 | d486baec | Stavros Sachtouris | cls.description, sep, cls.long_description\ |
149 | d486baec | Stavros Sachtouris | = cls.__doc__.partition('\n')
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150 | d486baec | Stavros Sachtouris | _construct_command_syntax(cls) |
151 | 0b368c8c | Stavros Sachtouris | |
152 | d486baec | Stavros Sachtouris | cmd_tree.add_command(cls_name, cls.description, cls) |
153 | d486baec | Stavros Sachtouris | return cls
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154 | d486baec | Stavros Sachtouris | return wrap
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155 | fd5db045 | Stavros Sachtouris | |
156 | 0b368c8c | Stavros Sachtouris | |
157 | d486baec | Stavros Sachtouris | def get_cmd_terms(): |
158 | d486baec | Stavros Sachtouris | global command
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159 | d486baec | Stavros Sachtouris | return [term for term in command.func_defaults[0]\ |
160 | d486baec | Stavros Sachtouris | if not term.startswith('-')] |
161 | d486baec | Stavros Sachtouris | |
162 | d486baec | Stavros Sachtouris | cmd_spec_locations = [ |
163 | d486baec | Stavros Sachtouris | 'kamaki.cli.commands',
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164 | d486baec | Stavros Sachtouris | 'kamaki.commands',
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165 | d486baec | Stavros Sachtouris | 'kamaki.cli',
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166 | d486baec | Stavros Sachtouris | 'kamaki',
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167 | d486baec | Stavros Sachtouris | '']
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168 | fd5db045 | Stavros Sachtouris | |
169 | 0b368c8c | Stavros Sachtouris | |
170 | d486baec | Stavros Sachtouris | def _setup_logging(silent=False, debug=False, verbose=False, include=False): |
171 | fd5db045 | Stavros Sachtouris | """handle logging for clients package"""
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172 | fd5db045 | Stavros Sachtouris | |
173 | fd5db045 | Stavros Sachtouris | def add_handler(name, level, prefix=''): |
174 | fd5db045 | Stavros Sachtouris | h = logging.StreamHandler() |
175 | fd5db045 | Stavros Sachtouris | fmt = logging.Formatter(prefix + '%(message)s')
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176 | fd5db045 | Stavros Sachtouris | h.setFormatter(fmt) |
177 | fd5db045 | Stavros Sachtouris | logger = logging.getLogger(name) |
178 | fd5db045 | Stavros Sachtouris | logger.addHandler(h) |
179 | fd5db045 | Stavros Sachtouris | logger.setLevel(level) |
180 | fd5db045 | Stavros Sachtouris | |
181 | fd5db045 | Stavros Sachtouris | if silent:
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182 | fd5db045 | Stavros Sachtouris | add_handler('', logging.CRITICAL)
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183 | fd5db045 | Stavros Sachtouris | elif debug:
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184 | fd5db045 | Stavros Sachtouris | add_handler('requests', logging.INFO, prefix='* ') |
185 | fd5db045 | Stavros Sachtouris | add_handler('clients.send', logging.DEBUG, prefix='> ') |
186 | fd5db045 | Stavros Sachtouris | add_handler('clients.recv', logging.DEBUG, prefix='< ') |
187 | fd5db045 | Stavros Sachtouris | elif verbose:
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188 | fd5db045 | Stavros Sachtouris | add_handler('requests', logging.INFO, prefix='* ') |
189 | fd5db045 | Stavros Sachtouris | add_handler('clients.send', logging.INFO, prefix='> ') |
190 | fd5db045 | Stavros Sachtouris | add_handler('clients.recv', logging.INFO, prefix='< ') |
191 | fd5db045 | Stavros Sachtouris | elif include:
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192 | fd5db045 | Stavros Sachtouris | add_handler('clients.recv', logging.INFO)
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193 | fd5db045 | Stavros Sachtouris | else:
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194 | fd5db045 | Stavros Sachtouris | add_handler('', logging.WARNING)
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195 | fd5db045 | Stavros Sachtouris | |
196 | ce48608f | Stavros Sachtouris | |
197 | d486baec | Stavros Sachtouris | def _init_session(arguments): |
198 | d486baec | Stavros Sachtouris | global _help
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199 | d486baec | Stavros Sachtouris | _help = arguments['help'].value
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200 | d486baec | Stavros Sachtouris | global _debug
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201 | d486baec | Stavros Sachtouris | _debug = arguments['debug'].value
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202 | d486baec | Stavros Sachtouris | global _verbose
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203 | d486baec | Stavros Sachtouris | _verbose = arguments['verbose'].value
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204 | d486baec | Stavros Sachtouris | global _colors
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205 | d486baec | Stavros Sachtouris | _colors = arguments['config'].get('global', 'colors') |
206 | 87565d2c | Stavros Sachtouris | if not (stdout.isatty() and _colors == 'on'): |
207 | 4f6a21f6 | Stavros Sachtouris | from kamaki.cli.utils import remove_colors |
208 | 4f6a21f6 | Stavros Sachtouris | remove_colors() |
209 | d486baec | Stavros Sachtouris | _silent = arguments['silent'].value
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210 | d486baec | Stavros Sachtouris | _include = arguments['include'].value
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211 | d486baec | Stavros Sachtouris | _setup_logging(_silent, _debug, _verbose, _include) |
212 | d486baec | Stavros Sachtouris | |
213 | d486baec | Stavros Sachtouris | |
214 | d486baec | Stavros Sachtouris | def get_command_group(unparsed, arguments): |
215 | d486baec | Stavros Sachtouris | groups = arguments['config'].get_groups()
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216 | d486baec | Stavros Sachtouris | for term in unparsed: |
217 | d486baec | Stavros Sachtouris | if term.startswith('-'): |
218 | d486baec | Stavros Sachtouris | continue
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219 | d486baec | Stavros Sachtouris | if term in groups: |
220 | d486baec | Stavros Sachtouris | unparsed.remove(term) |
221 | d486baec | Stavros Sachtouris | return term
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222 | d486baec | Stavros Sachtouris | return None |
223 | d486baec | Stavros Sachtouris | return None |
224 | d486baec | Stavros Sachtouris | |
225 | d486baec | Stavros Sachtouris | |
226 | d486baec | Stavros Sachtouris | def _load_spec_module(spec, arguments, module): |
227 | d486baec | Stavros Sachtouris | spec_name = arguments['config'].get(spec, 'cli') |
228 | d486baec | Stavros Sachtouris | if spec_name is None: |
229 | d486baec | Stavros Sachtouris | return None |
230 | d486baec | Stavros Sachtouris | pkg = None
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231 | d486baec | Stavros Sachtouris | for location in cmd_spec_locations: |
232 | d486baec | Stavros Sachtouris | location += spec_name if location == '' else '.%s' % spec_name |
233 | d486baec | Stavros Sachtouris | try:
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234 | d486baec | Stavros Sachtouris | pkg = __import__(location, fromlist=[module])
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235 | d486baec | Stavros Sachtouris | return pkg
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236 | d486baec | Stavros Sachtouris | except ImportError: |
237 | d486baec | Stavros Sachtouris | continue
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238 | d486baec | Stavros Sachtouris | return pkg
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239 | d486baec | Stavros Sachtouris | |
240 | d486baec | Stavros Sachtouris | |
241 | d486baec | Stavros Sachtouris | def _groups_help(arguments): |
242 | d486baec | Stavros Sachtouris | global _debug
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243 | d486baec | Stavros Sachtouris | descriptions = {} |
244 | d486baec | Stavros Sachtouris | for spec in arguments['config'].get_groups(): |
245 | d486baec | Stavros Sachtouris | pkg = _load_spec_module(spec, arguments, '_commands')
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246 | d486baec | Stavros Sachtouris | if pkg:
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247 | d486baec | Stavros Sachtouris | cmds = None
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248 | d486baec | Stavros Sachtouris | try:
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249 | d486baec | Stavros Sachtouris | cmds = [ |
250 | d486baec | Stavros Sachtouris | cmd for cmd in getattr(pkg, '_commands')\ |
251 | d486baec | Stavros Sachtouris | if arguments['config'].get(cmd.name, 'cli') |
252 | d486baec | Stavros Sachtouris | ] |
253 | d486baec | Stavros Sachtouris | except AttributeError: |
254 | d486baec | Stavros Sachtouris | if _debug:
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255 | d486baec | Stavros Sachtouris | print('Warning: No description for %s' % spec)
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256 | d486baec | Stavros Sachtouris | try:
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257 | d486baec | Stavros Sachtouris | for cmd in cmds: |
258 | d486baec | Stavros Sachtouris | descriptions[cmd.name] = cmd.description |
259 | d486baec | Stavros Sachtouris | except TypeError: |
260 | d486baec | Stavros Sachtouris | if _debug:
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261 | d486baec | Stavros Sachtouris | print('Warning: no cmd specs in module %s' % spec)
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262 | d486baec | Stavros Sachtouris | elif _debug:
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263 | d486baec | Stavros Sachtouris | print('Warning: Loading of %s cmd spec failed' % spec)
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264 | d486baec | Stavros Sachtouris | print('\nOptions:\n - - - -')
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265 | d486baec | Stavros Sachtouris | print_dict(descriptions) |
266 | d486baec | Stavros Sachtouris | |
267 | d486baec | Stavros Sachtouris | |
268 | d486baec | Stavros Sachtouris | def _print_subcommands_help(cmd): |
269 | d486baec | Stavros Sachtouris | printout = {} |
270 | d486baec | Stavros Sachtouris | for subcmd in cmd.get_subcommands(): |
271 | 4f6a21f6 | Stavros Sachtouris | spec, sep, print_path = subcmd.path.partition('_')
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272 | 4f6a21f6 | Stavros Sachtouris | printout[print_path.replace('_', ' ')] = subcmd.description |
273 | d486baec | Stavros Sachtouris | if printout:
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274 | d486baec | Stavros Sachtouris | print('\nOptions:\n - - - -')
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275 | d486baec | Stavros Sachtouris | print_dict(printout) |
276 | d486baec | Stavros Sachtouris | |
277 | d486baec | Stavros Sachtouris | |
278 | d486baec | Stavros Sachtouris | def _update_parser_help(parser, cmd): |
279 | d486baec | Stavros Sachtouris | global _best_match
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280 | d486baec | Stavros Sachtouris | parser.prog = parser.prog.split('<')[0] |
281 | d486baec | Stavros Sachtouris | parser.prog += ' '.join(_best_match)
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282 | d486baec | Stavros Sachtouris | |
283 | d486baec | Stavros Sachtouris | if cmd.is_command:
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284 | d486baec | Stavros Sachtouris | cls = cmd.get_class() |
285 | d486baec | Stavros Sachtouris | parser.prog += ' ' + cls.syntax
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286 | d486baec | Stavros Sachtouris | arguments = cls().arguments |
287 | d486baec | Stavros Sachtouris | update_arguments(parser, arguments) |
288 | d486baec | Stavros Sachtouris | else:
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289 | d486baec | Stavros Sachtouris | parser.prog += ' <...>'
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290 | d486baec | Stavros Sachtouris | if cmd.has_description:
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291 | d486baec | Stavros Sachtouris | parser.description = cmd.help |
292 | d486baec | Stavros Sachtouris | |
293 | d486baec | Stavros Sachtouris | |
294 | d486baec | Stavros Sachtouris | def _print_error_message(cli_err): |
295 | d486baec | Stavros Sachtouris | errmsg = '%s' % cli_err
|
296 | d486baec | Stavros Sachtouris | if cli_err.importance == 1: |
297 | d486baec | Stavros Sachtouris | errmsg = magenta(errmsg) |
298 | d486baec | Stavros Sachtouris | elif cli_err.importance == 2: |
299 | d486baec | Stavros Sachtouris | errmsg = yellow(errmsg) |
300 | d486baec | Stavros Sachtouris | elif cli_err.importance > 2: |
301 | d486baec | Stavros Sachtouris | errmsg = red(errmsg) |
302 | d486baec | Stavros Sachtouris | stdout.write(errmsg) |
303 | d486baec | Stavros Sachtouris | print_list(cli_err.details) |
304 | d486baec | Stavros Sachtouris | |
305 | d486baec | Stavros Sachtouris | |
306 | d486baec | Stavros Sachtouris | def _get_best_match_from_cmd_tree(cmd_tree, unparsed): |
307 | d486baec | Stavros Sachtouris | matched = [term for term in unparsed if not term.startswith('-')] |
308 | d486baec | Stavros Sachtouris | while matched:
|
309 | d486baec | Stavros Sachtouris | try:
|
310 | d486baec | Stavros Sachtouris | return cmd_tree.get_command('_'.join(matched)) |
311 | d486baec | Stavros Sachtouris | except KeyError: |
312 | d486baec | Stavros Sachtouris | matched = matched[:-1]
|
313 | d486baec | Stavros Sachtouris | return None |
314 | d486baec | Stavros Sachtouris | |
315 | d486baec | Stavros Sachtouris | |
316 | ce48608f | Stavros Sachtouris | def _exec_cmd(instance, cmd_args, help_method): |
317 | fd5db045 | Stavros Sachtouris | try:
|
318 | fd5db045 | Stavros Sachtouris | return instance.main(*cmd_args)
|
319 | fd5db045 | Stavros Sachtouris | except TypeError as err: |
320 | fd5db045 | Stavros Sachtouris | if err.args and err.args[0].startswith('main()'): |
321 | fd5db045 | Stavros Sachtouris | print(magenta('Syntax error'))
|
322 | d486baec | Stavros Sachtouris | if _debug:
|
323 | d486baec | Stavros Sachtouris | raise err
|
324 | d486baec | Stavros Sachtouris | if _verbose:
|
325 | fd5db045 | Stavros Sachtouris | print(unicode(err))
|
326 | fd5db045 | Stavros Sachtouris | help_method() |
327 | fd5db045 | Stavros Sachtouris | else:
|
328 | fd5db045 | Stavros Sachtouris | raise
|
329 | fd5db045 | Stavros Sachtouris | return 1 |
330 | fd5db045 | Stavros Sachtouris | |
331 | f247bcb4 | Stavros Sachtouris | |
332 | d486baec | Stavros Sachtouris | def set_command_param(param, value): |
333 | d486baec | Stavros Sachtouris | if param == 'prefix': |
334 | d486baec | Stavros Sachtouris | pos = 0
|
335 | d486baec | Stavros Sachtouris | elif param == 'descedants_depth': |
336 | d486baec | Stavros Sachtouris | pos = 1
|
337 | d486baec | Stavros Sachtouris | else:
|
338 | d486baec | Stavros Sachtouris | return
|
339 | d486baec | Stavros Sachtouris | global command
|
340 | d486baec | Stavros Sachtouris | def_params = list(command.func_defaults)
|
341 | d486baec | Stavros Sachtouris | def_params[pos] = value |
342 | d486baec | Stavros Sachtouris | command.func_defaults = tuple(def_params)
|
343 | d486baec | Stavros Sachtouris | |
344 | d486baec | Stavros Sachtouris | |
345 | d486baec | Stavros Sachtouris | def one_cmd(parser, unparsed, arguments): |
346 | d486baec | Stavros Sachtouris | group = get_command_group(list(unparsed), arguments)
|
347 | d486baec | Stavros Sachtouris | if not group: |
348 | d486baec | Stavros Sachtouris | parser.print_help() |
349 | d486baec | Stavros Sachtouris | _groups_help(arguments) |
350 | d486baec | Stavros Sachtouris | exit(0) |
351 | d486baec | Stavros Sachtouris | |
352 | d486baec | Stavros Sachtouris | set_command_param( |
353 | d486baec | Stavros Sachtouris | 'prefix',
|
354 | d486baec | Stavros Sachtouris | [term for term in unparsed if not term.startswith('-')] |
355 | d486baec | Stavros Sachtouris | ) |
356 | d486baec | Stavros Sachtouris | global _best_match
|
357 | d486baec | Stavros Sachtouris | _best_match = [] |
358 | d486baec | Stavros Sachtouris | |
359 | d486baec | Stavros Sachtouris | spec_module = _load_spec_module(group, arguments, '_commands')
|
360 | d486baec | Stavros Sachtouris | |
361 | d486baec | Stavros Sachtouris | cmd_tree = _get_cmd_tree_from_spec(group, spec_module._commands) |
362 | d486baec | Stavros Sachtouris | |
363 | d486baec | Stavros Sachtouris | if _best_match:
|
364 | d486baec | Stavros Sachtouris | cmd = cmd_tree.get_command('_'.join(_best_match))
|
365 | d486baec | Stavros Sachtouris | else:
|
366 | d486baec | Stavros Sachtouris | cmd = _get_best_match_from_cmd_tree(cmd_tree, unparsed) |
367 | d486baec | Stavros Sachtouris | _best_match = cmd.path.split('_')
|
368 | d486baec | Stavros Sachtouris | if cmd is None: |
369 | d486baec | Stavros Sachtouris | if _debug or _verbose: |
370 | d486baec | Stavros Sachtouris | print('Unexpected error: failed to load command')
|
371 | fd5db045 | Stavros Sachtouris | exit(1) |
372 | fd5db045 | Stavros Sachtouris | |
373 | d486baec | Stavros Sachtouris | _update_parser_help(parser, cmd) |
374 | d486baec | Stavros Sachtouris | |
375 | d486baec | Stavros Sachtouris | if _help or not cmd.is_command: |
376 | d486baec | Stavros Sachtouris | parser.print_help() |
377 | d486baec | Stavros Sachtouris | _print_subcommands_help(cmd) |
378 | d486baec | Stavros Sachtouris | exit(0) |
379 | d486baec | Stavros Sachtouris | |
380 | d486baec | Stavros Sachtouris | cls = cmd.get_class() |
381 | d486baec | Stavros Sachtouris | executable = cls(arguments) |
382 | d486baec | Stavros Sachtouris | parsed, unparsed = parse_known_args(parser, executable.arguments) |
383 | d486baec | Stavros Sachtouris | for term in _best_match: |
384 | d486baec | Stavros Sachtouris | unparsed.remove(term) |
385 | d486baec | Stavros Sachtouris | _exec_cmd(executable, unparsed, parser.print_help) |
386 | d486baec | Stavros Sachtouris | |
387 | d486baec | Stavros Sachtouris | |
388 | d53062bd | Stavros Sachtouris | def _load_all_commands(cmd_tree, arguments): |
389 | 75c3fc42 | Stavros Sachtouris | _config = arguments['config']
|
390 | d486baec | Stavros Sachtouris | for spec in [spec for spec in _config.get_groups()\ |
391 | 75c3fc42 | Stavros Sachtouris | if _config.get(spec, 'cli')]: |
392 | d486baec | Stavros Sachtouris | try:
|
393 | d486baec | Stavros Sachtouris | spec_module = _load_spec_module(spec, arguments, '_commands')
|
394 | d486baec | Stavros Sachtouris | spec_commands = getattr(spec_module, '_commands') |
395 | d486baec | Stavros Sachtouris | except AttributeError: |
396 | d486baec | Stavros Sachtouris | if _debug:
|
397 | d486baec | Stavros Sachtouris | print('Warning: No valid description for %s' % spec)
|
398 | d486baec | Stavros Sachtouris | continue
|
399 | d486baec | Stavros Sachtouris | for spec_tree in spec_commands: |
400 | d486baec | Stavros Sachtouris | if spec_tree.name == spec:
|
401 | d53062bd | Stavros Sachtouris | cmd_tree.add_tree(spec_tree) |
402 | d486baec | Stavros Sachtouris | break
|
403 | d53062bd | Stavros Sachtouris | |
404 | d53062bd | Stavros Sachtouris | |
405 | d53062bd | Stavros Sachtouris | def run_shell(exe_string, arguments): |
406 | d53062bd | Stavros Sachtouris | from command_shell import _init_shell |
407 | d53062bd | Stavros Sachtouris | shell = _init_shell(exe_string, arguments) |
408 | d53062bd | Stavros Sachtouris | _load_all_commands(shell.cmd_tree, arguments) |
409 | 834200da | Stavros Sachtouris | shell.run(arguments) |
410 | fd5db045 | Stavros Sachtouris | |
411 | 1c1fd2fa | Stavros Sachtouris | |
412 | 1c1fd2fa | Stavros Sachtouris | def main(): |
413 | 71882bca | Stavros Sachtouris | try:
|
414 | 71882bca | Stavros Sachtouris | exe = basename(argv[0])
|
415 | 71882bca | Stavros Sachtouris | parser = init_parser(exe, _arguments) |
416 | 71882bca | Stavros Sachtouris | parsed, unparsed = parse_known_args(parser, _arguments) |
417 | 71882bca | Stavros Sachtouris | |
418 | 71882bca | Stavros Sachtouris | if _arguments['version'].value: |
419 | 71882bca | Stavros Sachtouris | exit(0) |
420 | 71882bca | Stavros Sachtouris | |
421 | 71882bca | Stavros Sachtouris | _init_session(_arguments) |
422 | 71882bca | Stavros Sachtouris | |
423 | 71882bca | Stavros Sachtouris | if unparsed:
|
424 | 71882bca | Stavros Sachtouris | _history = History(_arguments['config'].get('history', 'file')) |
425 | 71882bca | Stavros Sachtouris | _history.add(' '.join([exe] + argv[1:])) |
426 | 71882bca | Stavros Sachtouris | one_cmd(parser, unparsed, _arguments) |
427 | 71882bca | Stavros Sachtouris | elif _help:
|
428 | 71882bca | Stavros Sachtouris | parser.print_help() |
429 | 71882bca | Stavros Sachtouris | _groups_help(_arguments) |
430 | 71882bca | Stavros Sachtouris | else:
|
431 | 75c3fc42 | Stavros Sachtouris | run_shell(exe, _arguments) |
432 | 71882bca | Stavros Sachtouris | except CLIError as err: |
433 | 71882bca | Stavros Sachtouris | if _debug:
|
434 | 71882bca | Stavros Sachtouris | raise err
|
435 | 71882bca | Stavros Sachtouris | _print_error_message(err) |
436 | 71882bca | Stavros Sachtouris | exit(1) |
437 | 71882bca | Stavros Sachtouris | except Exception as err: |
438 | 71882bca | Stavros Sachtouris | if _debug:
|
439 | 71882bca | Stavros Sachtouris | raise err
|
440 | 71882bca | Stavros Sachtouris | print('Unknown Error: %s' % err) |