root / kamaki / cli / utils.py @ 362adf50
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1 | 7493ccb6 | Stavros Sachtouris | # Copyright 2011 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 | 7493ccb6 | Stavros Sachtouris | # copyright notice, this list of conditions and the following
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9 | 7493ccb6 | 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 | 7493ccb6 | Stavros Sachtouris | # copyright notice, this list of conditions and the following
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13 | 7493ccb6 | Stavros Sachtouris | # disclaimer in the documentation and/or other materials
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14 | 7493ccb6 | 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 | 7493ccb6 | Stavros Sachtouris | # or implied, of GRNET S.A.
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33 | 3dabe5d2 | Stavros Sachtouris | |
34 | bd40efdf | Stavros Sachtouris | from sys import stdout, stdin |
35 | efbcdc41 | Stavros Sachtouris | from re import compile as regex_compile |
36 | 02846a75 | Stavros Sachtouris | from time import sleep |
37 | 14b25e00 | Stavros Sachtouris | from os import walk, path |
38 | 0399ac7e | Stavros Sachtouris | from json import dumps |
39 | 02846a75 | Stavros Sachtouris | |
40 | 2ff0b7bd | Stavros Sachtouris | from kamaki.cli.errors import raiseCLIError |
41 | 3dabe5d2 | Stavros Sachtouris | |
42 | 362adf50 | Stavros Sachtouris | suggest = dict(ansicolors=dict( |
43 | 6fb4af77 | Stavros Sachtouris | active=False,
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44 | 6fb4af77 | Stavros Sachtouris | url='#install-ansicolors-progress',
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45 | 362adf50 | Stavros Sachtouris | description='Add colors to console responses'))
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46 | 6fb4af77 | Stavros Sachtouris | |
47 | dfee2caf | Stavros Sachtouris | try:
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48 | dfee2caf | Stavros Sachtouris | from colors import magenta, red, yellow, bold |
49 | dfee2caf | Stavros Sachtouris | except ImportError: |
50 | 3dabe5d2 | Stavros Sachtouris | # No colours? No worries, use dummy foo instead
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51 | f93854ae | Stavros Sachtouris | def dummy(val): |
52 | dfee2caf | Stavros Sachtouris | return val
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53 | f93854ae | Stavros Sachtouris | red = yellow = magenta = bold = dummy |
54 | 6fb4af77 | Stavros Sachtouris | suggest['ansicolors']['active'] = True |
55 | 6fb4af77 | Stavros Sachtouris | |
56 | 6fb4af77 | Stavros Sachtouris | try:
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57 | 6fb4af77 | Stavros Sachtouris | from progress.bar import ShadyBar |
58 | 6fb4af77 | Stavros Sachtouris | except ImportError: |
59 | 6fb4af77 | Stavros Sachtouris | suggest['progress']['active'] = True |
60 | 6fb4af77 | Stavros Sachtouris | |
61 | 6fb4af77 | Stavros Sachtouris | |
62 | 6fb4af77 | Stavros Sachtouris | def suggest_missing(miss=None): |
63 | 6fb4af77 | Stavros Sachtouris | global suggest
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64 | 6fb4af77 | Stavros Sachtouris | kamaki_docs = 'http://www.synnefo.org/docs/kamaki/latest'
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65 | 6fb4af77 | Stavros Sachtouris | for k, v in (miss, suggest[miss]) if miss else suggest.items(): |
66 | 6fb4af77 | Stavros Sachtouris | if v['active'] and stdout.isatty(): |
67 | 6fb4af77 | Stavros Sachtouris | print('Suggestion: for better user experience install %s' % k)
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68 | 6fb4af77 | Stavros Sachtouris | print('\t%s' % v['description']) |
69 | 6fb4af77 | Stavros Sachtouris | print('\tIt is easy, here are the instructions:')
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70 | 6fb4af77 | Stavros Sachtouris | print('\t%s/installation.html%s' % (kamaki_docs, v['url'])) |
71 | 6fb4af77 | Stavros Sachtouris | print('')
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72 | f997679d | Stavros Sachtouris | |
73 | fd5db045 | Stavros Sachtouris | |
74 | 67cea04c | Stavros Sachtouris | def remove_colors(): |
75 | 67cea04c | Stavros Sachtouris | global bold
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76 | 3dabe5d2 | Stavros Sachtouris | global red
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77 | 3dabe5d2 | Stavros Sachtouris | global yellow
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78 | 3dabe5d2 | Stavros Sachtouris | global magenta
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79 | fd5db045 | Stavros Sachtouris | |
80 | 67cea04c | Stavros Sachtouris | def dummy(val): |
81 | 67cea04c | Stavros Sachtouris | return val
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82 | 3dabe5d2 | Stavros Sachtouris | red = yellow = magenta = bold = dummy |
83 | 7493ccb6 | Stavros Sachtouris | |
84 | fd5db045 | Stavros Sachtouris | |
85 | 7493ccb6 | Stavros Sachtouris | def pretty_keys(d, delim='_', recurcive=False): |
86 | f23a5cdb | Stavros Sachtouris | """<term>delim<term> to <term> <term> transformation
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87 | 7493ccb6 | Stavros Sachtouris | """
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88 | 7493ccb6 | Stavros Sachtouris | new_d = {} |
89 | 7493ccb6 | Stavros Sachtouris | for key, val in d.items(): |
90 | 7493ccb6 | Stavros Sachtouris | new_key = key.split(delim)[-1]
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91 | 7493ccb6 | Stavros Sachtouris | if recurcive and isinstance(val, dict): |
92 | fd5db045 | Stavros Sachtouris | new_val = pretty_keys(val, delim, recurcive) |
93 | 7493ccb6 | Stavros Sachtouris | else:
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94 | 7493ccb6 | Stavros Sachtouris | new_val = val |
95 | 7493ccb6 | Stavros Sachtouris | new_d[new_key] = new_val |
96 | 7493ccb6 | Stavros Sachtouris | return new_d
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97 | 7493ccb6 | Stavros Sachtouris | |
98 | fd5db045 | Stavros Sachtouris | |
99 | 0399ac7e | Stavros Sachtouris | def print_json(data): |
100 | 0399ac7e | Stavros Sachtouris | """Print a list or dict as json in console
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101 | 0399ac7e | Stavros Sachtouris |
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102 | 0399ac7e | Stavros Sachtouris | :param data: json-dumpable data
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103 | 0399ac7e | Stavros Sachtouris | """
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104 | 0399ac7e | Stavros Sachtouris | print(dumps(data, indent=2))
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105 | 0399ac7e | Stavros Sachtouris | |
106 | 0399ac7e | Stavros Sachtouris | |
107 | 545c6c29 | Stavros Sachtouris | def pretty_dict(d, *args, **kwargs): |
108 | 545c6c29 | Stavros Sachtouris | print_dict(pretty_keys(d, *args, **kwargs)) |
109 | 545c6c29 | Stavros Sachtouris | |
110 | 545c6c29 | Stavros Sachtouris | |
111 | de73876b | Stavros Sachtouris | def print_dict( |
112 | 24ff0a35 | Stavros Sachtouris | d, exclude=(), ident=0,
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113 | 24ff0a35 | Stavros Sachtouris | with_enumeration=False, recursive_enumeration=False): |
114 | f8681ec8 | Stavros Sachtouris | """
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115 | f8681ec8 | Stavros Sachtouris | Pretty-print a dictionary object
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116 | f8681ec8 | Stavros Sachtouris |
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117 | f8681ec8 | Stavros Sachtouris | :param d: (dict) the input
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118 | f8681ec8 | Stavros Sachtouris |
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119 | f8681ec8 | Stavros Sachtouris | :param excelude: (set or list) keys to exclude from printing
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120 | f8681ec8 | Stavros Sachtouris |
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121 | f8681ec8 | Stavros Sachtouris | :param ident: (int) initial indentation (recursive)
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122 | f8681ec8 | Stavros Sachtouris |
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123 | f8681ec8 | Stavros Sachtouris | :param with_enumeration: (bool) enumerate each 1st level key if true
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124 | f8681ec8 | Stavros Sachtouris |
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125 | f8681ec8 | Stavros Sachtouris | :recursive_enumeration: (bool) recursively enumerate dicts and lists of
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126 | f8681ec8 | Stavros Sachtouris | 2nd level or deeper
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127 | f8681ec8 | Stavros Sachtouris |
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128 | f8681ec8 | Stavros Sachtouris | :raises CLIError: (TypeError wrapper) non-dict input
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129 | f8681ec8 | Stavros Sachtouris | """
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130 | 7493ccb6 | Stavros Sachtouris | if not isinstance(d, dict): |
131 | 2ff0b7bd | Stavros Sachtouris | raiseCLIError(TypeError('Cannot dict_print a non-dict object')) |
132 | f551841a | Stavros Sachtouris | |
133 | db950b10 | Stavros Sachtouris | if d:
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134 | 24ff0a35 | Stavros Sachtouris | margin = max(len(('%s' % key).strip()) for key in d.keys() if ( |
135 | 24ff0a35 | Stavros Sachtouris | key not in exclude)) |
136 | 7493ccb6 | Stavros Sachtouris | |
137 | f8681ec8 | Stavros Sachtouris | counter = 1
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138 | 7493ccb6 | Stavros Sachtouris | for key, val in sorted(d.items()): |
139 | a517ff50 | Stavros Sachtouris | key = '%s' % key
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140 | 7493ccb6 | Stavros Sachtouris | if key in exclude: |
141 | 7493ccb6 | Stavros Sachtouris | continue
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142 | f8681ec8 | Stavros Sachtouris | print_str = ''
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143 | f8681ec8 | Stavros Sachtouris | if with_enumeration:
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144 | f8681ec8 | Stavros Sachtouris | print_str = '%s. ' % counter
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145 | f8681ec8 | Stavros Sachtouris | counter += 1
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146 | f8681ec8 | Stavros Sachtouris | print_str = '%s%s' % (' ' * (ident - len(print_str)), print_str) |
147 | a517ff50 | Stavros Sachtouris | print_str += key.strip() |
148 | a517ff50 | Stavros Sachtouris | print_str += ' ' * (margin - len(key.strip())) |
149 | f551841a | Stavros Sachtouris | print_str += ': '
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150 | 7493ccb6 | Stavros Sachtouris | if isinstance(val, dict): |
151 | f551841a | Stavros Sachtouris | print(print_str) |
152 | de73876b | Stavros Sachtouris | print_dict( |
153 | de73876b | Stavros Sachtouris | val, |
154 | f8681ec8 | Stavros Sachtouris | exclude=exclude, |
155 | f8681ec8 | Stavros Sachtouris | ident=margin + ident, |
156 | f8681ec8 | Stavros Sachtouris | with_enumeration=recursive_enumeration, |
157 | f8681ec8 | Stavros Sachtouris | recursive_enumeration=recursive_enumeration) |
158 | 7493ccb6 | Stavros Sachtouris | elif isinstance(val, list): |
159 | f551841a | Stavros Sachtouris | print(print_str) |
160 | de73876b | Stavros Sachtouris | print_list( |
161 | de73876b | Stavros Sachtouris | val, |
162 | f8681ec8 | Stavros Sachtouris | exclude=exclude, |
163 | f8681ec8 | Stavros Sachtouris | ident=margin + ident, |
164 | f8681ec8 | Stavros Sachtouris | with_enumeration=recursive_enumeration, |
165 | f8681ec8 | Stavros Sachtouris | recursive_enumeration=recursive_enumeration) |
166 | 7493ccb6 | Stavros Sachtouris | else:
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167 | a517ff50 | Stavros Sachtouris | print print_str + ' ' + ('%s' % val).strip() |
168 | fd5db045 | Stavros Sachtouris | |
169 | 7493ccb6 | Stavros Sachtouris | |
170 | de73876b | Stavros Sachtouris | def print_list( |
171 | 24ff0a35 | Stavros Sachtouris | l, exclude=(), ident=0,
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172 | 24ff0a35 | Stavros Sachtouris | with_enumeration=False, recursive_enumeration=False): |
173 | f8681ec8 | Stavros Sachtouris | """
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174 | f8681ec8 | Stavros Sachtouris | Pretty-print a list object
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175 | f8681ec8 | Stavros Sachtouris |
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176 | f8681ec8 | Stavros Sachtouris | :param l: (list) the input
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177 | f8681ec8 | Stavros Sachtouris |
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178 | f8681ec8 | Stavros Sachtouris | :param excelude: (object - anytype) values to exclude from printing
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179 | f8681ec8 | Stavros Sachtouris |
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180 | f8681ec8 | Stavros Sachtouris | :param ident: (int) initial indentation (recursive)
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181 | f8681ec8 | Stavros Sachtouris |
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182 | f8681ec8 | Stavros Sachtouris | :param with_enumeration: (bool) enumerate each 1st level value if true
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183 | f8681ec8 | Stavros Sachtouris |
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184 | f8681ec8 | Stavros Sachtouris | :recursive_enumeration: (bool) recursively enumerate dicts and lists of
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185 | f8681ec8 | Stavros Sachtouris | 2nd level or deeper
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186 | f8681ec8 | Stavros Sachtouris |
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187 | f8681ec8 | Stavros Sachtouris | :raises CLIError: (TypeError wrapper) non-list input
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188 | f8681ec8 | Stavros Sachtouris | """
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189 | 7493ccb6 | Stavros Sachtouris | if not isinstance(l, list): |
190 | 2ff0b7bd | Stavros Sachtouris | raiseCLIError(TypeError('Cannot list_print a non-list object')) |
191 | f551841a | Stavros Sachtouris | |
192 | db950b10 | Stavros Sachtouris | if l:
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193 | f91bc6b1 | Stavros Sachtouris | try:
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194 | 24ff0a35 | Stavros Sachtouris | margin = max(len(('%s' % item).strip()) for item in l if not ( |
195 | 24ff0a35 | Stavros Sachtouris | isinstance(item, dict) or |
196 | 24ff0a35 | Stavros Sachtouris | isinstance(item, list) or |
197 | 24ff0a35 | Stavros Sachtouris | item in exclude))
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198 | f91bc6b1 | Stavros Sachtouris | except ValueError: |
199 | a517ff50 | Stavros Sachtouris | margin = (2 + len(('%s' % len(l)))) if enumerate else 1 |
200 | 7493ccb6 | Stavros Sachtouris | |
201 | d4abd11c | Stavros Sachtouris | counter = 1
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202 | d4abd11c | Stavros Sachtouris | prefix = ''
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203 | 7493ccb6 | Stavros Sachtouris | for item in sorted(l): |
204 | 7493ccb6 | Stavros Sachtouris | if item in exclude: |
205 | 7493ccb6 | Stavros Sachtouris | continue
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206 | f8681ec8 | Stavros Sachtouris | elif with_enumeration:
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207 | d4abd11c | Stavros Sachtouris | prefix = '%s. ' % counter
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208 | d4abd11c | Stavros Sachtouris | counter += 1
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209 | d4abd11c | Stavros Sachtouris | prefix = '%s%s' % (' ' * (ident - len(prefix)), prefix) |
210 | d4abd11c | Stavros Sachtouris | else:
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211 | d4abd11c | Stavros Sachtouris | prefix = ' ' * ident
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212 | 7493ccb6 | Stavros Sachtouris | if isinstance(item, dict): |
213 | c17b8bc0 | Stavros Sachtouris | if with_enumeration:
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214 | c17b8bc0 | Stavros Sachtouris | print(prefix) |
215 | de73876b | Stavros Sachtouris | print_dict( |
216 | de73876b | Stavros Sachtouris | item, |
217 | f8681ec8 | Stavros Sachtouris | exclude=exclude, |
218 | f8681ec8 | Stavros Sachtouris | ident=margin + ident, |
219 | f8681ec8 | Stavros Sachtouris | with_enumeration=recursive_enumeration, |
220 | f8681ec8 | Stavros Sachtouris | recursive_enumeration=recursive_enumeration) |
221 | 7493ccb6 | Stavros Sachtouris | elif isinstance(item, list): |
222 | c17b8bc0 | Stavros Sachtouris | if with_enumeration:
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223 | c17b8bc0 | Stavros Sachtouris | print(prefix) |
224 | de73876b | Stavros Sachtouris | print_list( |
225 | de73876b | Stavros Sachtouris | item, |
226 | f8681ec8 | Stavros Sachtouris | exclude=exclude, |
227 | f8681ec8 | Stavros Sachtouris | ident=margin + ident, |
228 | f8681ec8 | Stavros Sachtouris | with_enumeration=recursive_enumeration, |
229 | f8681ec8 | Stavros Sachtouris | recursive_enumeration=recursive_enumeration) |
230 | 7493ccb6 | Stavros Sachtouris | else:
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231 | d4abd11c | Stavros Sachtouris | print('%s%s' % (prefix, item))
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232 | 7493ccb6 | Stavros Sachtouris | |
233 | fd5db045 | Stavros Sachtouris | |
234 | 439826ec | Stavros Sachtouris | def page_hold(index, limit, maxlen): |
235 | 439826ec | Stavros Sachtouris | """Check if there are results to show, and hold the page when needed
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236 | 439826ec | Stavros Sachtouris | :param index: (int) > 0
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237 | 439826ec | Stavros Sachtouris | :param limit: (int) 0 < limit <= max, page hold if limit mod index == 0
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238 | 439826ec | Stavros Sachtouris | :param maxlen: (int) Don't hold if index reaches maxlen
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239 | 439826ec | Stavros Sachtouris |
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240 | 439826ec | Stavros Sachtouris | :returns: True if there are more to show, False if all results are shown
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241 | 439826ec | Stavros Sachtouris | """
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242 | 439826ec | Stavros Sachtouris | if index >= limit and index % limit == 0: |
243 | 439826ec | Stavros Sachtouris | if index >= maxlen:
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244 | 439826ec | Stavros Sachtouris | return False |
245 | 439826ec | Stavros Sachtouris | else:
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246 | 439826ec | Stavros Sachtouris | print('(%s listed - %s more - "enter" to continue)' % (
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247 | 439826ec | Stavros Sachtouris | index, |
248 | 439826ec | Stavros Sachtouris | maxlen - index)) |
249 | 439826ec | Stavros Sachtouris | c = ' '
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250 | 439826ec | Stavros Sachtouris | while c != '\n': |
251 | 439826ec | Stavros Sachtouris | c = stdin.read(1)
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252 | 439826ec | Stavros Sachtouris | return True |
253 | 439826ec | Stavros Sachtouris | |
254 | 439826ec | Stavros Sachtouris | |
255 | de73876b | Stavros Sachtouris | def print_items( |
256 | 24ff0a35 | Stavros Sachtouris | items, title=('id', 'name'), |
257 | 24ff0a35 | Stavros Sachtouris | with_enumeration=False, with_redundancy=False, |
258 | 24ff0a35 | Stavros Sachtouris | page_size=0):
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259 | a494a741 | Stavros Sachtouris | """print dict or list items in a list, using some values as title
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260 | a494a741 | Stavros Sachtouris | Objects of next level don't inherit enumeration (default: off) or titles
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261 | a494a741 | Stavros Sachtouris |
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262 | a494a741 | Stavros Sachtouris | :param items: (list) items are lists or dict
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263 | a494a741 | Stavros Sachtouris | :param title: (tuple) keys to use their values as title
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264 | a494a741 | Stavros Sachtouris | :param with_enumeration: (boolean) enumerate items (order id on title)
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265 | a494a741 | Stavros Sachtouris | :param with_redundancy: (boolean) values in title also appear on body
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266 | bd40efdf | Stavros Sachtouris | :param page_size: (int) show results in pages of page_size items, enter to
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267 | bd40efdf | Stavros Sachtouris | continue
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268 | a494a741 | Stavros Sachtouris | """
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269 | 0e806947 | Stavros Sachtouris | if not items: |
270 | 0e806947 | Stavros Sachtouris | return
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271 | bd40efdf | Stavros Sachtouris | try:
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272 | bd40efdf | Stavros Sachtouris | page_size = int(page_size) if int(page_size) > 0 else len(items) |
273 | bd40efdf | Stavros Sachtouris | except:
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274 | bd40efdf | Stavros Sachtouris | page_size = len(items)
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275 | bd40efdf | Stavros Sachtouris | num_of_pages = len(items) // page_size
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276 | bd40efdf | Stavros Sachtouris | num_of_pages += 1 if len(items) % page_size else 0 |
277 | 54d800e8 | Stavros Sachtouris | for i, item in enumerate(items): |
278 | a494a741 | Stavros Sachtouris | if with_enumeration:
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279 | a494a741 | Stavros Sachtouris | stdout.write('%s. ' % (i + 1)) |
280 | a494a741 | Stavros Sachtouris | if isinstance(item, dict): |
281 | a494a741 | Stavros Sachtouris | title = sorted(set(title).intersection(item.keys())) |
282 | a494a741 | Stavros Sachtouris | if with_redundancy:
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283 | a517ff50 | Stavros Sachtouris | header = ' '.join('%s' % item[key] for key in title) |
284 | a494a741 | Stavros Sachtouris | else:
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285 | a517ff50 | Stavros Sachtouris | header = ' '.join('%s' % item.pop(key) for key in title) |
286 | aa25346e | Stavros Sachtouris | print(bold(header)) |
287 | 7493ccb6 | Stavros Sachtouris | if isinstance(item, dict): |
288 | 08c63ef5 | Stavros Sachtouris | print_dict(item, ident=1)
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289 | aa25346e | Stavros Sachtouris | elif isinstance(item, list): |
290 | 08c63ef5 | Stavros Sachtouris | print_list(item, ident=1)
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291 | a494a741 | Stavros Sachtouris | else:
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292 | a494a741 | Stavros Sachtouris | print(' %s' % item)
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293 | 439826ec | Stavros Sachtouris | page_hold(i + 1, page_size, len(items)) |
294 | 7493ccb6 | Stavros Sachtouris | |
295 | fd5db045 | Stavros Sachtouris | |
296 | 7493ccb6 | Stavros Sachtouris | def format_size(size): |
297 | 001200c3 | Stavros Sachtouris | units = ('B', 'KiB', 'MiB', 'GiB', 'TiB') |
298 | 7493ccb6 | Stavros Sachtouris | try:
|
299 | 7493ccb6 | Stavros Sachtouris | size = float(size)
|
300 | 2ff0b7bd | Stavros Sachtouris | except ValueError as err: |
301 | 2ff0b7bd | Stavros Sachtouris | raiseCLIError(err, 'Cannot format %s in bytes' % size)
|
302 | 7493ccb6 | Stavros Sachtouris | for unit in units: |
303 | 7493ccb6 | Stavros Sachtouris | if size < 1024: |
304 | 7493ccb6 | Stavros Sachtouris | break
|
305 | 001200c3 | Stavros Sachtouris | size /= 1024.0
|
306 | 001200c3 | Stavros Sachtouris | s = ('%.2f' % size)
|
307 | 001200c3 | Stavros Sachtouris | while '.' in s and s[-1] in ('0', '.'): |
308 | 001200c3 | Stavros Sachtouris | s = s[:-1]
|
309 | 7493ccb6 | Stavros Sachtouris | return s + unit
|
310 | 7493ccb6 | Stavros Sachtouris | |
311 | fd5db045 | Stavros Sachtouris | |
312 | 001200c3 | Stavros Sachtouris | def to_bytes(size, format): |
313 | 001200c3 | Stavros Sachtouris | """
|
314 | 001200c3 | Stavros Sachtouris | :param size: (float) the size in the given format
|
315 | 001200c3 | Stavros Sachtouris | :param format: (case insensitive) KiB, KB, MiB, MB, GiB, GB, TiB, TB
|
316 | 001200c3 | Stavros Sachtouris |
|
317 | 001200c3 | Stavros Sachtouris | :returns: (int) the size in bytes
|
318 | 001200c3 | Stavros Sachtouris | """
|
319 | 001200c3 | Stavros Sachtouris | format = format.upper() |
320 | 001200c3 | Stavros Sachtouris | if format == 'B': |
321 | 001200c3 | Stavros Sachtouris | return int(size) |
322 | 001200c3 | Stavros Sachtouris | size = float(size)
|
323 | 001200c3 | Stavros Sachtouris | units_dc = ('KB', 'MB', 'GB', 'TB') |
324 | 001200c3 | Stavros Sachtouris | units_bi = ('KIB', 'MIB', 'GIB', 'TIB') |
325 | 001200c3 | Stavros Sachtouris | |
326 | 001200c3 | Stavros Sachtouris | factor = 1024 if format in units_bi else 1000 if format in units_dc else 0 |
327 | 001200c3 | Stavros Sachtouris | if not factor: |
328 | 001200c3 | Stavros Sachtouris | raise ValueError('Invalid data size format %s' % format) |
329 | 001200c3 | Stavros Sachtouris | for prefix in ('K', 'M', 'G', 'T'): |
330 | 001200c3 | Stavros Sachtouris | size *= factor |
331 | 001200c3 | Stavros Sachtouris | if format.startswith(prefix):
|
332 | 001200c3 | Stavros Sachtouris | break
|
333 | 001200c3 | Stavros Sachtouris | return int(size) |
334 | 001200c3 | Stavros Sachtouris | |
335 | 001200c3 | Stavros Sachtouris | |
336 | fd5db045 | Stavros Sachtouris | def dict2file(d, f, depth=0): |
337 | 7493ccb6 | Stavros Sachtouris | for k, v in d.items(): |
338 | fd5db045 | Stavros Sachtouris | f.write('%s%s: ' % ('\t' * depth, k)) |
339 | fd5db045 | Stavros Sachtouris | if isinstance(v, dict): |
340 | 7493ccb6 | Stavros Sachtouris | f.write('\n')
|
341 | fd5db045 | Stavros Sachtouris | dict2file(v, f, depth + 1)
|
342 | fd5db045 | Stavros Sachtouris | elif isinstance(v, list): |
343 | 7493ccb6 | Stavros Sachtouris | f.write('\n')
|
344 | fd5db045 | Stavros Sachtouris | list2file(v, f, depth + 1)
|
345 | 7493ccb6 | Stavros Sachtouris | else:
|
346 | a517ff50 | Stavros Sachtouris | f.write(' %s\n' % v)
|
347 | fd5db045 | Stavros Sachtouris | |
348 | 7493ccb6 | Stavros Sachtouris | |
349 | fd5db045 | Stavros Sachtouris | def list2file(l, f, depth=1): |
350 | 7493ccb6 | Stavros Sachtouris | for item in l: |
351 | fd5db045 | Stavros Sachtouris | if isinstance(item, dict): |
352 | fd5db045 | Stavros Sachtouris | dict2file(item, f, depth + 1)
|
353 | fd5db045 | Stavros Sachtouris | elif isinstance(item, list): |
354 | fd5db045 | Stavros Sachtouris | list2file(item, f, depth + 1)
|
355 | 7493ccb6 | Stavros Sachtouris | else:
|
356 | a517ff50 | Stavros Sachtouris | f.write('%s%s\n' % ('\t' * depth, item)) |
357 | efbcdc41 | Stavros Sachtouris | |
358 | efbcdc41 | Stavros Sachtouris | # Split input auxiliary
|
359 | efbcdc41 | Stavros Sachtouris | |
360 | efbcdc41 | Stavros Sachtouris | |
361 | efbcdc41 | Stavros Sachtouris | def _parse_with_regex(line, regex): |
362 | efbcdc41 | Stavros Sachtouris | re_parser = regex_compile(regex) |
363 | efbcdc41 | Stavros Sachtouris | return (re_parser.split(line), re_parser.findall(line))
|
364 | efbcdc41 | Stavros Sachtouris | |
365 | efbcdc41 | Stavros Sachtouris | |
366 | efbcdc41 | Stavros Sachtouris | def _sub_split(line): |
367 | efbcdc41 | Stavros Sachtouris | terms = [] |
368 | efbcdc41 | Stavros Sachtouris | (sub_trivials, sub_interesting) = _parse_with_regex(line, ' ".*?" ')
|
369 | efbcdc41 | Stavros Sachtouris | for subi, subipart in enumerate(sub_interesting): |
370 | efbcdc41 | Stavros Sachtouris | terms += sub_trivials[subi].split() |
371 | efbcdc41 | Stavros Sachtouris | terms.append(subipart[2:-2]) |
372 | efbcdc41 | Stavros Sachtouris | terms += sub_trivials[-1].split()
|
373 | efbcdc41 | Stavros Sachtouris | return terms
|
374 | efbcdc41 | Stavros Sachtouris | |
375 | efbcdc41 | Stavros Sachtouris | |
376 | 0ba7b031 | Stavros Sachtouris | def old_split_input(line): |
377 | 0ba7b031 | Stavros Sachtouris | """Use regular expressions to split a line correctly"""
|
378 | efbcdc41 | Stavros Sachtouris | line = ' %s ' % line
|
379 | efbcdc41 | Stavros Sachtouris | (trivial_parts, interesting_parts) = _parse_with_regex(line, ' \'.*?\' ')
|
380 | efbcdc41 | Stavros Sachtouris | terms = [] |
381 | efbcdc41 | Stavros Sachtouris | for i, ipart in enumerate(interesting_parts): |
382 | efbcdc41 | Stavros Sachtouris | terms += _sub_split(trivial_parts[i]) |
383 | efbcdc41 | Stavros Sachtouris | terms.append(ipart[2:-2]) |
384 | efbcdc41 | Stavros Sachtouris | terms += _sub_split(trivial_parts[-1])
|
385 | efbcdc41 | Stavros Sachtouris | return terms
|
386 | 7147e1ca | Stavros Sachtouris | |
387 | 7147e1ca | Stavros Sachtouris | |
388 | 0ba7b031 | Stavros Sachtouris | def _get_from_parsed(parsed_str): |
389 | 0ba7b031 | Stavros Sachtouris | try:
|
390 | 0ba7b031 | Stavros Sachtouris | parsed_str = parsed_str.strip() |
391 | 0ba7b031 | Stavros Sachtouris | except:
|
392 | 0ba7b031 | Stavros Sachtouris | return None |
393 | 0ba7b031 | Stavros Sachtouris | if parsed_str:
|
394 | 0ba7b031 | Stavros Sachtouris | if parsed_str[0] == parsed_str[-1] and parsed_str[0] in ("'", '"'): |
395 | 0ba7b031 | Stavros Sachtouris | return [parsed_str[1:-1]] |
396 | 0ba7b031 | Stavros Sachtouris | return parsed_str.split(' ') |
397 | 0ba7b031 | Stavros Sachtouris | return None |
398 | 0ba7b031 | Stavros Sachtouris | |
399 | 0ba7b031 | Stavros Sachtouris | |
400 | 0ba7b031 | Stavros Sachtouris | def split_input(line): |
401 | 0ba7b031 | Stavros Sachtouris | if not line: |
402 | 0ba7b031 | Stavros Sachtouris | return []
|
403 | 0ba7b031 | Stavros Sachtouris | reg_expr = '\'.*?\'|".*?"|^[\S]*$'
|
404 | 0ba7b031 | Stavros Sachtouris | (trivial_parts, interesting_parts) = _parse_with_regex(line, reg_expr) |
405 | 0ba7b031 | Stavros Sachtouris | assert(len(trivial_parts) == 1 + len(interesting_parts)) |
406 | 0ba7b031 | Stavros Sachtouris | #print(' [split_input] trivial_parts %s are' % trivial_parts)
|
407 | 0ba7b031 | Stavros Sachtouris | #print(' [split_input] interesting_parts %s are' % interesting_parts)
|
408 | 0ba7b031 | Stavros Sachtouris | terms = [] |
409 | 0ba7b031 | Stavros Sachtouris | for i, tpart in enumerate(trivial_parts): |
410 | 0ba7b031 | Stavros Sachtouris | part = _get_from_parsed(tpart) |
411 | 0ba7b031 | Stavros Sachtouris | if part:
|
412 | 0ba7b031 | Stavros Sachtouris | terms += part |
413 | 0ba7b031 | Stavros Sachtouris | try:
|
414 | 0ba7b031 | Stavros Sachtouris | part = _get_from_parsed(interesting_parts[i]) |
415 | 0ba7b031 | Stavros Sachtouris | except IndexError: |
416 | 0ba7b031 | Stavros Sachtouris | break
|
417 | 0ba7b031 | Stavros Sachtouris | if part:
|
418 | 0ba7b031 | Stavros Sachtouris | terms += part |
419 | 0ba7b031 | Stavros Sachtouris | return terms
|
420 | 0ba7b031 | Stavros Sachtouris | |
421 | 0ba7b031 | Stavros Sachtouris | |
422 | 001200c3 | Stavros Sachtouris | def ask_user(msg, true_resp=['Y', 'y']): |
423 | 7147e1ca | Stavros Sachtouris | """Print msg and read user response
|
424 | 7147e1ca | Stavros Sachtouris |
|
425 | 001200c3 | Stavros Sachtouris | :param true_resp: (tuple of chars)
|
426 | 7147e1ca | Stavros Sachtouris |
|
427 | 7147e1ca | Stavros Sachtouris | :returns: (bool) True if reponse in true responses, False otherwise
|
428 | 7147e1ca | Stavros Sachtouris | """
|
429 | 001200c3 | Stavros Sachtouris | stdout.write('%s (%s or enter for yes):' % (msg, ', '.join(true_resp))) |
430 | 7147e1ca | Stavros Sachtouris | stdout.flush() |
431 | 001200c3 | Stavros Sachtouris | user_response = stdin.readline() |
432 | 001200c3 | Stavros Sachtouris | return user_response[0] in true_resp + ['\n'] |
433 | 0ba7b031 | Stavros Sachtouris | |
434 | 0ba7b031 | Stavros Sachtouris | |
435 | 02846a75 | Stavros Sachtouris | def spiner(size=None): |
436 | b482315a | Stavros Sachtouris | spins = ('/', '-', '\\', '|') |
437 | b482315a | Stavros Sachtouris | stdout.write(' ')
|
438 | 02846a75 | Stavros Sachtouris | size = size or -1 |
439 | 02846a75 | Stavros Sachtouris | i = 0
|
440 | 02846a75 | Stavros Sachtouris | while size - i:
|
441 | b482315a | Stavros Sachtouris | stdout.write('\b%s' % spins[i % len(spins)]) |
442 | b482315a | Stavros Sachtouris | stdout.flush() |
443 | b482315a | Stavros Sachtouris | i += 1
|
444 | 02846a75 | Stavros Sachtouris | sleep(0.1)
|
445 | b482315a | Stavros Sachtouris | yield
|
446 | b58c1078 | Stavros Sachtouris | yield
|
447 | b482315a | Stavros Sachtouris | |
448 | 0ba7b031 | Stavros Sachtouris | if __name__ == '__main__': |
449 | de73876b | Stavros Sachtouris | examples = [ |
450 | de73876b | Stavros Sachtouris | 'la_la le_le li_li',
|
451 | 0ba7b031 | Stavros Sachtouris | '\'la la\' \'le le\' \'li li\'',
|
452 | 0ba7b031 | Stavros Sachtouris | '\'la la\' le_le \'li li\'',
|
453 | 0ba7b031 | Stavros Sachtouris | 'la_la \'le le\' li_li',
|
454 | 0ba7b031 | Stavros Sachtouris | 'la_la \'le le\' \'li li\'',
|
455 | 0ba7b031 | Stavros Sachtouris | '"la la" "le le" "li li"',
|
456 | 0ba7b031 | Stavros Sachtouris | '"la la" le_le "li li"',
|
457 | 0ba7b031 | Stavros Sachtouris | 'la_la "le le" li_li',
|
458 | 0ba7b031 | Stavros Sachtouris | '"la_la" "le le" "li li"',
|
459 | 0ba7b031 | Stavros Sachtouris | '\'la la\' "le le" \'li li\'',
|
460 | 0ba7b031 | Stavros Sachtouris | 'la_la \'le le\' "li li"',
|
461 | 0ba7b031 | Stavros Sachtouris | 'la_la \'le le\' li_li',
|
462 | 0ba7b031 | Stavros Sachtouris | '\'la la\' le_le "li li"',
|
463 | 0ba7b031 | Stavros Sachtouris | '"la la" le_le \'li li\'',
|
464 | 0ba7b031 | Stavros Sachtouris | '"la la" \'le le\' li_li',
|
465 | 0ba7b031 | Stavros Sachtouris | 'la_la \'le\'le\' "li\'li"',
|
466 | 0ba7b031 | Stavros Sachtouris | '"la \'le le\' la"',
|
467 | 0ba7b031 | Stavros Sachtouris | '\'la "le le" la\'',
|
468 | 0ba7b031 | Stavros Sachtouris | '\'la "la" la\' "le \'le\' le" li_"li"_li',
|
469 | de73876b | Stavros Sachtouris | '\'\' \'L\' "" "A"']
|
470 | 0ba7b031 | Stavros Sachtouris | |
471 | 0ba7b031 | Stavros Sachtouris | for i, example in enumerate(examples): |
472 | 0ba7b031 | Stavros Sachtouris | print('%s. Split this: (%s)' % (i + 1, example)) |
473 | 0ba7b031 | Stavros Sachtouris | ret = old_split_input(example) |
474 | 0ba7b031 | Stavros Sachtouris | print('\t(%s) of size %s' % (ret, len(ret))) |
475 | 14b25e00 | Stavros Sachtouris | |
476 | 14b25e00 | Stavros Sachtouris | |
477 | 14b25e00 | Stavros Sachtouris | def get_path_size(testpath): |
478 | 14b25e00 | Stavros Sachtouris | if path.isfile(testpath):
|
479 | 14b25e00 | Stavros Sachtouris | return path.getsize(testpath)
|
480 | 14b25e00 | Stavros Sachtouris | total_size = 0
|
481 | 14b25e00 | Stavros Sachtouris | for top, dirs, files in walk(path.abspath(testpath)): |
482 | 14b25e00 | Stavros Sachtouris | for f in files: |
483 | 14b25e00 | Stavros Sachtouris | f = path.join(top, f) |
484 | 14b25e00 | Stavros Sachtouris | if path.isfile(f):
|
485 | 14b25e00 | Stavros Sachtouris | total_size += path.getsize(f) |
486 | 14b25e00 | Stavros Sachtouris | return total_size |