root / kamaki / cli / __init__.py @ 2005b18e
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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 | ee4c47d7 | Stavros Sachtouris | from kamaki.cli.argument import ArgumentParseManager |
40 | fd5db045 | Stavros Sachtouris | from kamaki.cli.history import History |
41 | af569ab9 | Stavros Sachtouris | from kamaki.cli.utils import print_dict, red, magenta, yellow |
42 | d486baec | Stavros Sachtouris | from kamaki.cli.errors import CLIError |
43 | 7493ccb6 | Stavros Sachtouris | |
44 | d486baec | Stavros Sachtouris | _help = False
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45 | d486baec | Stavros Sachtouris | _debug = False
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46 | 1a3c18fd | Stavros Sachtouris | _include = 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 | aa5c0458 | Stavros Sachtouris | kloger = None
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50 | fd5db045 | Stavros Sachtouris | |
51 | b6a99832 | Stavros Sachtouris | # command auxiliary methods
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52 | b6a99832 | Stavros Sachtouris | |
53 | b6a99832 | Stavros Sachtouris | _best_match = [] |
54 | b6a99832 | Stavros Sachtouris | |
55 | fd5db045 | Stavros Sachtouris | |
56 | 24ff0a35 | Stavros Sachtouris | def _arg2syntax(arg): |
57 | 24ff0a35 | Stavros Sachtouris | return arg.replace(
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58 | 24ff0a35 | Stavros Sachtouris | '____', '[:').replace( |
59 | 2005b18e | Stavros Sachtouris | '___', ':').replace( |
60 | 2005b18e | Stavros Sachtouris | '__', ']').replace( |
61 | 2005b18e | Stavros Sachtouris | '_', ' ') |
62 | 24ff0a35 | Stavros Sachtouris | |
63 | 24ff0a35 | Stavros Sachtouris | |
64 | d486baec | Stavros Sachtouris | def _construct_command_syntax(cls): |
65 | fd5db045 | Stavros Sachtouris | spec = getargspec(cls.main.im_func) |
66 | fd5db045 | Stavros Sachtouris | args = spec.args[1:]
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67 | fd5db045 | Stavros Sachtouris | n = len(args) - len(spec.defaults or ()) |
68 | 24ff0a35 | Stavros Sachtouris | required = ' '.join(['<%s>' % _arg2syntax(x) for x in args[:n]]) |
69 | 24ff0a35 | Stavros Sachtouris | optional = ' '.join(['[%s]' % _arg2syntax(x) for x in args[n:]]) |
70 | fd5db045 | Stavros Sachtouris | cls.syntax = ' '.join(x for x in [required, optional] if x) |
71 | fd5db045 | Stavros Sachtouris | if spec.varargs:
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72 | fd5db045 | Stavros Sachtouris | cls.syntax += ' <%s ...>' % spec.varargs
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73 | fd5db045 | Stavros Sachtouris | |
74 | fd5db045 | Stavros Sachtouris | |
75 | d486baec | Stavros Sachtouris | def _num_of_matching_terms(basic_list, attack_list): |
76 | d486baec | Stavros Sachtouris | if not attack_list: |
77 | 75c3fc42 | Stavros Sachtouris | return len(basic_list) |
78 | fd5db045 | Stavros Sachtouris | |
79 | d486baec | Stavros Sachtouris | matching_terms = 0
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80 | d486baec | Stavros Sachtouris | for i, term in enumerate(basic_list): |
81 | d486baec | Stavros Sachtouris | try:
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82 | d486baec | Stavros Sachtouris | if term != attack_list[i]:
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83 | d486baec | Stavros Sachtouris | break
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84 | d486baec | Stavros Sachtouris | except IndexError: |
85 | d486baec | Stavros Sachtouris | break
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86 | d486baec | Stavros Sachtouris | matching_terms += 1
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87 | d486baec | Stavros Sachtouris | return matching_terms
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88 | dfee2caf | Stavros Sachtouris | |
89 | fd5db045 | Stavros Sachtouris | |
90 | d486baec | Stavros Sachtouris | def _update_best_match(name_terms, prefix=[]): |
91 | d486baec | Stavros Sachtouris | if prefix:
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92 | d486baec | Stavros Sachtouris | pref_list = prefix if isinstance(prefix, list) else prefix.split('_') |
93 | d486baec | Stavros Sachtouris | else:
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94 | d486baec | Stavros Sachtouris | pref_list = [] |
95 | dfee2caf | Stavros Sachtouris | |
96 | d486baec | Stavros Sachtouris | num_of_matching_terms = _num_of_matching_terms(name_terms, pref_list) |
97 | d486baec | Stavros Sachtouris | global _best_match
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98 | e9533b0c | Stavros Sachtouris | if not prefix: |
99 | e9533b0c | Stavros Sachtouris | _best_match = [] |
100 | fd5db045 | Stavros Sachtouris | |
101 | d486baec | Stavros Sachtouris | if num_of_matching_terms and len(_best_match) <= num_of_matching_terms: |
102 | d486baec | Stavros Sachtouris | if len(_best_match) < num_of_matching_terms: |
103 | d486baec | Stavros Sachtouris | _best_match = name_terms[:num_of_matching_terms] |
104 | d486baec | Stavros Sachtouris | return True |
105 | d486baec | Stavros Sachtouris | return False |
106 | d486baec | Stavros Sachtouris | |
107 | d486baec | Stavros Sachtouris | |
108 | d486baec | Stavros Sachtouris | def command(cmd_tree, prefix='', descedants_depth=1): |
109 | d486baec | Stavros Sachtouris | """Load a class as a command
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110 | 451a7992 | Stavros Sachtouris | e.g. spec_cmd0_cmd1 will be command spec cmd0
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111 | 451a7992 | Stavros Sachtouris |
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112 | 451a7992 | Stavros Sachtouris | :param cmd_tree: is initialized in cmd_spec file and is the structure
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113 | d486baec | Stavros Sachtouris | where commands are loaded. Var name should be _commands
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114 | 451a7992 | Stavros Sachtouris | :param prefix: if given, load only commands prefixed with prefix,
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115 | 451a7992 | Stavros Sachtouris | :param descedants_depth: is the depth of the tree descedants of the
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116 | d486baec | Stavros Sachtouris | prefix command. It is used ONLY if prefix and if prefix is not
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117 | d486baec | Stavros Sachtouris | a terminal command
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118 | 451a7992 | Stavros Sachtouris |
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119 | 451a7992 | Stavros Sachtouris | :returns: the specified class object
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120 | d486baec | Stavros Sachtouris | """
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121 | d486baec | Stavros Sachtouris | |
122 | d486baec | Stavros Sachtouris | def wrap(cls): |
123 | 451a7992 | Stavros Sachtouris | global kloger
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124 | d486baec | Stavros Sachtouris | cls_name = cls.__name__ |
125 | d486baec | Stavros Sachtouris | |
126 | d486baec | Stavros Sachtouris | if not cmd_tree: |
127 | d486baec | Stavros Sachtouris | if _debug:
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128 | 451a7992 | Stavros Sachtouris | kloger.warning('command %s found but not loaded' % cls_name)
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129 | d486baec | Stavros Sachtouris | return cls
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130 | 0b368c8c | Stavros Sachtouris | |
131 | d486baec | Stavros Sachtouris | name_terms = cls_name.split('_')
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132 | d486baec | Stavros Sachtouris | if not _update_best_match(name_terms, prefix): |
133 | e9533b0c | Stavros Sachtouris | if _debug:
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134 | 451a7992 | Stavros Sachtouris | kloger.warning('%s failed to update_best_match' % cls_name)
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135 | d486baec | Stavros Sachtouris | return None |
136 | fd5db045 | Stavros Sachtouris | |
137 | d486baec | Stavros Sachtouris | global _best_match
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138 | d486baec | Stavros Sachtouris | max_len = len(_best_match) + descedants_depth
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139 | d486baec | Stavros Sachtouris | if len(name_terms) > max_len: |
140 | d486baec | Stavros Sachtouris | partial = '_'.join(name_terms[:max_len])
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141 | d486baec | Stavros Sachtouris | if not cmd_tree.has_command(partial): # add partial path |
142 | d486baec | Stavros Sachtouris | cmd_tree.add_command(partial) |
143 | e9533b0c | Stavros Sachtouris | if _debug:
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144 | 451a7992 | Stavros Sachtouris | kloger.warning('%s failed max_len test' % cls_name)
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145 | d486baec | Stavros Sachtouris | return None |
146 | fd5db045 | Stavros Sachtouris | |
147 | de73876b | Stavros Sachtouris | ( |
148 | de73876b | Stavros Sachtouris | cls.description, sep, cls.long_description |
149 | de73876b | 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 | cmd_spec_locations = [ |
158 | d486baec | Stavros Sachtouris | 'kamaki.cli.commands',
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159 | d486baec | Stavros Sachtouris | 'kamaki.commands',
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160 | d486baec | Stavros Sachtouris | 'kamaki.cli',
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161 | d486baec | Stavros Sachtouris | 'kamaki',
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162 | d486baec | Stavros Sachtouris | '']
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163 | fd5db045 | Stavros Sachtouris | |
164 | 0b368c8c | Stavros Sachtouris | |
165 | b6a99832 | Stavros Sachtouris | # Generic init auxiliary functions
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166 | b6a99832 | Stavros Sachtouris | |
167 | b6a99832 | Stavros Sachtouris | |
168 | d486baec | Stavros Sachtouris | def _setup_logging(silent=False, debug=False, verbose=False, include=False): |
169 | fd5db045 | Stavros Sachtouris | """handle logging for clients package"""
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170 | fd5db045 | Stavros Sachtouris | |
171 | fd5db045 | Stavros Sachtouris | def add_handler(name, level, prefix=''): |
172 | fd5db045 | Stavros Sachtouris | h = logging.StreamHandler() |
173 | fd5db045 | Stavros Sachtouris | fmt = logging.Formatter(prefix + '%(message)s')
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174 | fd5db045 | Stavros Sachtouris | h.setFormatter(fmt) |
175 | fd5db045 | Stavros Sachtouris | logger = logging.getLogger(name) |
176 | fd5db045 | Stavros Sachtouris | logger.addHandler(h) |
177 | fd5db045 | Stavros Sachtouris | logger.setLevel(level) |
178 | fd5db045 | Stavros Sachtouris | |
179 | fd5db045 | Stavros Sachtouris | if silent:
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180 | fd5db045 | Stavros Sachtouris | add_handler('', logging.CRITICAL)
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181 | db8d1766 | Stavros Sachtouris | return
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182 | db8d1766 | Stavros Sachtouris | |
183 | db8d1766 | Stavros Sachtouris | if 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 | b6a99832 | Stavros Sachtouris | add_handler('kamaki', logging.DEBUG, prefix='(debug): ') |
188 | fd5db045 | Stavros Sachtouris | elif verbose:
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189 | fd5db045 | Stavros Sachtouris | add_handler('requests', logging.INFO, prefix='* ') |
190 | fd5db045 | Stavros Sachtouris | add_handler('clients.send', logging.INFO, prefix='> ') |
191 | fd5db045 | Stavros Sachtouris | add_handler('clients.recv', logging.INFO, prefix='< ') |
192 | b6a99832 | Stavros Sachtouris | add_handler('kamaki', logging.INFO, prefix='(i): ') |
193 | 1a3c18fd | Stavros Sachtouris | if include:
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194 | 1a3c18fd | Stavros Sachtouris | add_handler('data.send', logging.INFO, prefix='>[data]: ') |
195 | 1a3c18fd | Stavros Sachtouris | add_handler('data.recv', logging.INFO, prefix='<[data]: ') |
196 | b6a99832 | Stavros Sachtouris | add_handler('kamaki', logging.WARNING, prefix='(warning): ') |
197 | aa5c0458 | Stavros Sachtouris | global kloger
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198 | b6a99832 | Stavros Sachtouris | kloger = logging.getLogger('kamaki')
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199 | fd5db045 | Stavros Sachtouris | |
200 | ce48608f | Stavros Sachtouris | |
201 | d486baec | Stavros Sachtouris | def _init_session(arguments): |
202 | d486baec | Stavros Sachtouris | global _help
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203 | d486baec | Stavros Sachtouris | _help = arguments['help'].value
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204 | d486baec | Stavros Sachtouris | global _debug
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205 | d486baec | Stavros Sachtouris | _debug = arguments['debug'].value
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206 | 1a3c18fd | Stavros Sachtouris | global _include
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207 | 1a3c18fd | Stavros Sachtouris | _include = arguments['include'].value
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208 | d486baec | Stavros Sachtouris | global _verbose
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209 | d486baec | Stavros Sachtouris | _verbose = arguments['verbose'].value
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210 | d486baec | Stavros Sachtouris | global _colors
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211 | d486baec | Stavros Sachtouris | _colors = arguments['config'].get('global', 'colors') |
212 | 87565d2c | Stavros Sachtouris | if not (stdout.isatty() and _colors == 'on'): |
213 | 4f6a21f6 | Stavros Sachtouris | from kamaki.cli.utils import remove_colors |
214 | 4f6a21f6 | Stavros Sachtouris | remove_colors() |
215 | d486baec | Stavros Sachtouris | _silent = arguments['silent'].value
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216 | d486baec | Stavros Sachtouris | _setup_logging(_silent, _debug, _verbose, _include) |
217 | d486baec | Stavros Sachtouris | |
218 | d486baec | Stavros Sachtouris | |
219 | d486baec | Stavros Sachtouris | def _load_spec_module(spec, arguments, module): |
220 | d486baec | Stavros Sachtouris | spec_name = arguments['config'].get(spec, 'cli') |
221 | d486baec | Stavros Sachtouris | if spec_name is None: |
222 | d486baec | Stavros Sachtouris | return None |
223 | d486baec | Stavros Sachtouris | pkg = None
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224 | d486baec | Stavros Sachtouris | for location in cmd_spec_locations: |
225 | d486baec | Stavros Sachtouris | location += spec_name if location == '' else '.%s' % spec_name |
226 | d486baec | Stavros Sachtouris | try:
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227 | d486baec | Stavros Sachtouris | pkg = __import__(location, fromlist=[module])
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228 | d486baec | Stavros Sachtouris | return pkg
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229 | d486baec | Stavros Sachtouris | except ImportError: |
230 | d486baec | Stavros Sachtouris | continue
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231 | d486baec | Stavros Sachtouris | return pkg
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232 | d486baec | Stavros Sachtouris | |
233 | d486baec | Stavros Sachtouris | |
234 | d486baec | Stavros Sachtouris | def _groups_help(arguments): |
235 | d486baec | Stavros Sachtouris | global _debug
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236 | aa5c0458 | Stavros Sachtouris | global kloger
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237 | d486baec | Stavros Sachtouris | descriptions = {} |
238 | d486baec | Stavros Sachtouris | for spec in arguments['config'].get_groups(): |
239 | d486baec | Stavros Sachtouris | pkg = _load_spec_module(spec, arguments, '_commands')
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240 | d486baec | Stavros Sachtouris | if pkg:
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241 | d486baec | Stavros Sachtouris | cmds = None
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242 | d486baec | Stavros Sachtouris | try:
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243 | 24ff0a35 | Stavros Sachtouris | _cnf = arguments['config']
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244 | 24ff0a35 | Stavros Sachtouris | cmds = [cmd for cmd in getattr(pkg, '_commands') if _cnf.get( |
245 | 24ff0a35 | Stavros Sachtouris | cmd.name, 'cli')]
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246 | d486baec | Stavros Sachtouris | except AttributeError: |
247 | d486baec | Stavros Sachtouris | if _debug:
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248 | aa5c0458 | Stavros Sachtouris | kloger.warning('No description for %s' % spec)
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249 | d486baec | Stavros Sachtouris | try:
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250 | d486baec | Stavros Sachtouris | for cmd in cmds: |
251 | d486baec | Stavros Sachtouris | descriptions[cmd.name] = cmd.description |
252 | d486baec | Stavros Sachtouris | except TypeError: |
253 | d486baec | Stavros Sachtouris | if _debug:
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254 | aa5c0458 | Stavros Sachtouris | kloger.warning('no cmd specs in module %s' % spec)
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255 | d486baec | Stavros Sachtouris | elif _debug:
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256 | aa5c0458 | Stavros Sachtouris | kloger.warning('Loading of %s cmd spec failed' % spec)
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257 | d486baec | Stavros Sachtouris | print('\nOptions:\n - - - -')
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258 | d486baec | Stavros Sachtouris | print_dict(descriptions) |
259 | d486baec | Stavros Sachtouris | |
260 | d486baec | Stavros Sachtouris | |
261 | b6a99832 | Stavros Sachtouris | def _load_all_commands(cmd_tree, arguments): |
262 | 24ff0a35 | Stavros Sachtouris | _cnf = arguments['config']
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263 | 24ff0a35 | Stavros Sachtouris | specs = [spec for spec in _cnf.get_groups() if _cnf.get(spec, 'cli')] |
264 | 24ff0a35 | Stavros Sachtouris | for spec in specs: |
265 | b6a99832 | Stavros Sachtouris | try:
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266 | b6a99832 | Stavros Sachtouris | spec_module = _load_spec_module(spec, arguments, '_commands')
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267 | b6a99832 | Stavros Sachtouris | spec_commands = getattr(spec_module, '_commands') |
268 | b6a99832 | Stavros Sachtouris | except AttributeError: |
269 | b6a99832 | Stavros Sachtouris | if _debug:
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270 | b6a99832 | Stavros Sachtouris | global kloger
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271 | b6a99832 | Stavros Sachtouris | kloger.warning('No valid description for %s' % spec)
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272 | b6a99832 | Stavros Sachtouris | continue
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273 | b6a99832 | Stavros Sachtouris | for spec_tree in spec_commands: |
274 | b6a99832 | Stavros Sachtouris | if spec_tree.name == spec:
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275 | b6a99832 | Stavros Sachtouris | cmd_tree.add_tree(spec_tree) |
276 | b6a99832 | Stavros Sachtouris | break
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277 | b6a99832 | Stavros Sachtouris | |
278 | b6a99832 | Stavros Sachtouris | |
279 | b6a99832 | Stavros Sachtouris | # Methods to be used by CLI implementations
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280 | b6a99832 | Stavros Sachtouris | |
281 | b6a99832 | Stavros Sachtouris | |
282 | b6a99832 | Stavros Sachtouris | def print_subcommands_help(cmd): |
283 | d486baec | Stavros Sachtouris | printout = {} |
284 | d486baec | Stavros Sachtouris | for subcmd in cmd.get_subcommands(): |
285 | 4f6a21f6 | Stavros Sachtouris | spec, sep, print_path = subcmd.path.partition('_')
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286 | 4f6a21f6 | Stavros Sachtouris | printout[print_path.replace('_', ' ')] = subcmd.description |
287 | d486baec | Stavros Sachtouris | if printout:
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288 | d486baec | Stavros Sachtouris | print('\nOptions:\n - - - -')
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289 | d486baec | Stavros Sachtouris | print_dict(printout) |
290 | d486baec | Stavros Sachtouris | |
291 | d486baec | Stavros Sachtouris | |
292 | b6a99832 | Stavros Sachtouris | def update_parser_help(parser, cmd): |
293 | d486baec | Stavros Sachtouris | global _best_match
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294 | 7c2247a0 | Stavros Sachtouris | parser.syntax = parser.syntax.split('<')[0] |
295 | 7c2247a0 | Stavros Sachtouris | parser.syntax += ' '.join(_best_match)
|
296 | d486baec | Stavros Sachtouris | |
297 | a71bb904 | Stavros Sachtouris | description = ''
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298 | d486baec | Stavros Sachtouris | if cmd.is_command:
|
299 | d486baec | Stavros Sachtouris | cls = cmd.get_class() |
300 | 7c2247a0 | Stavros Sachtouris | parser.syntax += ' ' + cls.syntax
|
301 | 7c2247a0 | Stavros Sachtouris | parser.update_arguments(cls().arguments) |
302 | a71bb904 | Stavros Sachtouris | description = getattr(cls, 'long_description', '') |
303 | a71bb904 | Stavros Sachtouris | description = description.strip() |
304 | d486baec | Stavros Sachtouris | else:
|
305 | 7c2247a0 | Stavros Sachtouris | parser.syntax += ' <...>'
|
306 | d486baec | Stavros Sachtouris | if cmd.has_description:
|
307 | de73876b | Stavros Sachtouris | parser.parser.description = cmd.help + ( |
308 | de73876b | Stavros Sachtouris | ('\n%s' % description) if description else '') |
309 | 2fbca093 | Stavros Sachtouris | else:
|
310 | 2fbca093 | Stavros Sachtouris | parser.parser.description = description |
311 | d486baec | Stavros Sachtouris | |
312 | d486baec | Stavros Sachtouris | |
313 | b6a99832 | Stavros Sachtouris | def print_error_message(cli_err): |
314 | d486baec | Stavros Sachtouris | errmsg = '%s' % cli_err
|
315 | d486baec | Stavros Sachtouris | if cli_err.importance == 1: |
316 | d486baec | Stavros Sachtouris | errmsg = magenta(errmsg) |
317 | d486baec | Stavros Sachtouris | elif cli_err.importance == 2: |
318 | d486baec | Stavros Sachtouris | errmsg = yellow(errmsg) |
319 | d486baec | Stavros Sachtouris | elif cli_err.importance > 2: |
320 | d486baec | Stavros Sachtouris | errmsg = red(errmsg) |
321 | d486baec | Stavros Sachtouris | stdout.write(errmsg) |
322 | 66f1ff99 | Stavros Sachtouris | for errmsg in cli_err.details: |
323 | 66f1ff99 | Stavros Sachtouris | print('| %s' % errmsg)
|
324 | d486baec | Stavros Sachtouris | |
325 | d486baec | Stavros Sachtouris | |
326 | b6a99832 | Stavros Sachtouris | def exec_cmd(instance, cmd_args, help_method): |
327 | fd5db045 | Stavros Sachtouris | try:
|
328 | fd5db045 | Stavros Sachtouris | return instance.main(*cmd_args)
|
329 | fd5db045 | Stavros Sachtouris | except TypeError as err: |
330 | fd5db045 | Stavros Sachtouris | if err.args and err.args[0].startswith('main()'): |
331 | fd5db045 | Stavros Sachtouris | print(magenta('Syntax error'))
|
332 | d486baec | Stavros Sachtouris | if _debug:
|
333 | d486baec | Stavros Sachtouris | raise err
|
334 | d486baec | Stavros Sachtouris | if _verbose:
|
335 | fd5db045 | Stavros Sachtouris | print(unicode(err))
|
336 | fd5db045 | Stavros Sachtouris | help_method() |
337 | fd5db045 | Stavros Sachtouris | else:
|
338 | fd5db045 | Stavros Sachtouris | raise
|
339 | fd5db045 | Stavros Sachtouris | return 1 |
340 | fd5db045 | Stavros Sachtouris | |
341 | f247bcb4 | Stavros Sachtouris | |
342 | b6a99832 | Stavros Sachtouris | def get_command_group(unparsed, arguments): |
343 | b6a99832 | Stavros Sachtouris | groups = arguments['config'].get_groups()
|
344 | b6a99832 | Stavros Sachtouris | for term in unparsed: |
345 | b6a99832 | Stavros Sachtouris | if term.startswith('-'): |
346 | b6a99832 | Stavros Sachtouris | continue
|
347 | b6a99832 | Stavros Sachtouris | if term in groups: |
348 | b6a99832 | Stavros Sachtouris | unparsed.remove(term) |
349 | b6a99832 | Stavros Sachtouris | return term
|
350 | b6a99832 | Stavros Sachtouris | return None |
351 | b6a99832 | Stavros Sachtouris | return None |
352 | b6a99832 | Stavros Sachtouris | |
353 | b6a99832 | Stavros Sachtouris | |
354 | 7c2247a0 | Stavros Sachtouris | def set_command_params(parameters): |
355 | 7c2247a0 | Stavros Sachtouris | """Add a parameters list to a command
|
356 | 7c2247a0 | Stavros Sachtouris |
|
357 | 7c2247a0 | Stavros Sachtouris | :param paramters: (list of str) a list of parameters
|
358 | 7c2247a0 | Stavros Sachtouris | """
|
359 | d486baec | Stavros Sachtouris | global command
|
360 | d486baec | Stavros Sachtouris | def_params = list(command.func_defaults)
|
361 | 7c2247a0 | Stavros Sachtouris | def_params[0] = parameters
|
362 | d486baec | Stavros Sachtouris | command.func_defaults = tuple(def_params)
|
363 | d486baec | Stavros Sachtouris | |
364 | d486baec | Stavros Sachtouris | |
365 | b6a99832 | Stavros Sachtouris | # CLI Choice:
|
366 | d486baec | Stavros Sachtouris | |
367 | b6a99832 | Stavros Sachtouris | def run_one_cmd(exe_string, parser): |
368 | b6a99832 | Stavros Sachtouris | global _history
|
369 | b6a99832 | Stavros Sachtouris | _history = History( |
370 | b6a99832 | Stavros Sachtouris | parser.arguments['config'].get('history', 'file')) |
371 | b6a99832 | Stavros Sachtouris | _history.add(' '.join([exe_string] + argv[1:])) |
372 | b6a99832 | Stavros Sachtouris | from kamaki.cli import one_command |
373 | b6a99832 | Stavros Sachtouris | one_command.run(parser, _help) |
374 | d53062bd | Stavros Sachtouris | |
375 | d53062bd | Stavros Sachtouris | |
376 | 074f5027 | Stavros Sachtouris | def run_shell(exe_string, parser): |
377 | d53062bd | Stavros Sachtouris | from command_shell import _init_shell |
378 | 074f5027 | Stavros Sachtouris | shell = _init_shell(exe_string, parser) |
379 | 074f5027 | Stavros Sachtouris | _load_all_commands(shell.cmd_tree, parser.arguments) |
380 | 074f5027 | Stavros Sachtouris | shell.run(parser) |
381 | fd5db045 | Stavros Sachtouris | |
382 | 1c1fd2fa | Stavros Sachtouris | |
383 | 1c1fd2fa | Stavros Sachtouris | def main(): |
384 | 71882bca | Stavros Sachtouris | try:
|
385 | 71882bca | Stavros Sachtouris | exe = basename(argv[0])
|
386 | e0da0f90 | Stavros Sachtouris | parser = ArgumentParseManager(exe) |
387 | 7c2247a0 | Stavros Sachtouris | |
388 | 074f5027 | Stavros Sachtouris | if parser.arguments['version'].value: |
389 | 71882bca | Stavros Sachtouris | exit(0) |
390 | 71882bca | Stavros Sachtouris | |
391 | 074f5027 | Stavros Sachtouris | _init_session(parser.arguments) |
392 | 71882bca | Stavros Sachtouris | |
393 | b3dd8f4b | Stavros Sachtouris | if parser.unparsed:
|
394 | b6a99832 | Stavros Sachtouris | run_one_cmd(exe, parser) |
395 | 71882bca | Stavros Sachtouris | elif _help:
|
396 | e0da0f90 | Stavros Sachtouris | parser.parser.print_help() |
397 | 074f5027 | Stavros Sachtouris | _groups_help(parser.arguments) |
398 | 71882bca | Stavros Sachtouris | else:
|
399 | 074f5027 | Stavros Sachtouris | run_shell(exe, parser) |
400 | 71882bca | Stavros Sachtouris | except CLIError as err: |
401 | b6a99832 | Stavros Sachtouris | print_error_message(err) |
402 | 71882bca | Stavros Sachtouris | if _debug:
|
403 | 71882bca | Stavros Sachtouris | raise err
|
404 | 71882bca | Stavros Sachtouris | exit(1) |
405 | 6069b53b | Stavros Sachtouris | except Exception as er: |
406 | 6069b53b | Stavros Sachtouris | print('Unknown Error: %s' % er)
|
407 | 71882bca | Stavros Sachtouris | if _debug:
|
408 | 6069b53b | Stavros Sachtouris | raise
|
409 | 6069b53b | Stavros Sachtouris | exit(1) |