root / kamaki / cli / utils / __init__.py @ c49188b7
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1 | e3f01d64 | Stavros Sachtouris | # Copyright 2011-2013 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 | 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 | fa9c0c38 | Stavros Sachtouris | from sys import stdout, stdin |
35 | efbcdc41 | Stavros Sachtouris | from re import compile as regex_compile |
36 | 14b25e00 | Stavros Sachtouris | from os import walk, path |
37 | 0399ac7e | Stavros Sachtouris | from json import dumps |
38 | fa9c0c38 | Stavros Sachtouris | from pydoc import pager |
39 | 02846a75 | Stavros Sachtouris | |
40 | 2ff0b7bd | Stavros Sachtouris | from kamaki.cli.errors import raiseCLIError |
41 | 3dabe5d2 | Stavros Sachtouris | |
42 | f55d3a15 | Stavros Sachtouris | |
43 | a0608786 | Stavros Sachtouris | INDENT_TAB = 4
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44 | f55d3a15 | Stavros Sachtouris | |
45 | f55d3a15 | Stavros Sachtouris | |
46 | 362adf50 | Stavros Sachtouris | suggest = dict(ansicolors=dict( |
47 | 6fb4af77 | Stavros Sachtouris | active=False,
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48 | 6fb4af77 | Stavros Sachtouris | url='#install-ansicolors-progress',
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49 | 362adf50 | Stavros Sachtouris | description='Add colors to console responses'))
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50 | 6fb4af77 | Stavros Sachtouris | |
51 | dfee2caf | Stavros Sachtouris | try:
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52 | dfee2caf | Stavros Sachtouris | from colors import magenta, red, yellow, bold |
53 | dfee2caf | Stavros Sachtouris | except ImportError: |
54 | f93854ae | Stavros Sachtouris | def dummy(val): |
55 | dfee2caf | Stavros Sachtouris | return val
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56 | f93854ae | Stavros Sachtouris | red = yellow = magenta = bold = dummy |
57 | 6fb4af77 | Stavros Sachtouris | suggest['ansicolors']['active'] = True |
58 | 6fb4af77 | Stavros Sachtouris | |
59 | 6fb4af77 | Stavros Sachtouris | |
60 | 69691087 | Stavros Sachtouris | def suggest_missing(miss=None, exclude=[]): |
61 | 6fb4af77 | Stavros Sachtouris | global suggest
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62 | 69691087 | Stavros Sachtouris | sgs = dict(suggest)
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63 | 69691087 | Stavros Sachtouris | for exc in exclude: |
64 | 69691087 | Stavros Sachtouris | try:
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65 | 69691087 | Stavros Sachtouris | sgs.pop(exc) |
66 | 69691087 | Stavros Sachtouris | except KeyError: |
67 | 69691087 | Stavros Sachtouris | pass
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68 | 6fb4af77 | Stavros Sachtouris | kamaki_docs = 'http://www.synnefo.org/docs/kamaki/latest'
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69 | 69691087 | Stavros Sachtouris | for k, v in (miss, sgs[miss]) if miss else sgs.items(): |
70 | 6fb4af77 | Stavros Sachtouris | if v['active'] and stdout.isatty(): |
71 | 6fb4af77 | Stavros Sachtouris | print('Suggestion: for better user experience install %s' % k)
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72 | 6fb4af77 | Stavros Sachtouris | print('\t%s' % v['description']) |
73 | 6fb4af77 | Stavros Sachtouris | print('\tIt is easy, here are the instructions:')
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74 | 6fb4af77 | Stavros Sachtouris | print('\t%s/installation.html%s' % (kamaki_docs, v['url'])) |
75 | 6fb4af77 | Stavros Sachtouris | print('')
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76 | f997679d | Stavros Sachtouris | |
77 | fd5db045 | Stavros Sachtouris | |
78 | f8426b5c | Stavros Sachtouris | def guess_mime_type( |
79 | f8426b5c | Stavros Sachtouris | filename, |
80 | f8426b5c | Stavros Sachtouris | default_content_type='application/octet-stream',
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81 | f8426b5c | Stavros Sachtouris | default_encoding=None):
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82 | f8426b5c | Stavros Sachtouris | assert filename, 'Cannot guess mimetype for empty filename' |
83 | f8426b5c | Stavros Sachtouris | try:
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84 | f8426b5c | Stavros Sachtouris | from mimetypes import guess_type |
85 | f8426b5c | Stavros Sachtouris | ctype, cenc = guess_type(filename) |
86 | f8426b5c | Stavros Sachtouris | return ctype or default_content_type, cenc or default_encoding |
87 | f8426b5c | Stavros Sachtouris | except ImportError: |
88 | f8426b5c | Stavros Sachtouris | print 'WARNING: Cannot import mimetypes, using defaults' |
89 | f8426b5c | Stavros Sachtouris | return (default_content_type, default_encoding)
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90 | f8426b5c | Stavros Sachtouris | |
91 | f8426b5c | Stavros Sachtouris | |
92 | 67cea04c | Stavros Sachtouris | def remove_colors(): |
93 | 67cea04c | Stavros Sachtouris | global bold
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94 | 3dabe5d2 | Stavros Sachtouris | global red
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95 | 3dabe5d2 | Stavros Sachtouris | global yellow
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96 | 3dabe5d2 | Stavros Sachtouris | global magenta
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97 | fd5db045 | Stavros Sachtouris | |
98 | 67cea04c | Stavros Sachtouris | def dummy(val): |
99 | 67cea04c | Stavros Sachtouris | return val
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100 | 3dabe5d2 | Stavros Sachtouris | red = yellow = magenta = bold = dummy |
101 | 7493ccb6 | Stavros Sachtouris | |
102 | fd5db045 | Stavros Sachtouris | |
103 | cdeadadc | Stavros Sachtouris | def pretty_keys(d, delim='_', recursive=False): |
104 | cdeadadc | Stavros Sachtouris | """<term>delim<term> to <term> <term> transformation"""
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105 | cdeadadc | Stavros Sachtouris | new_d = dict(d)
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106 | cdeadadc | Stavros Sachtouris | for k, v in d.items(): |
107 | cdeadadc | Stavros Sachtouris | new_v = new_d.pop(k) |
108 | cdeadadc | Stavros Sachtouris | new_d[k.replace(delim, ' ').strip()] = pretty_keys(
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109 | cdeadadc | Stavros Sachtouris | new_v, delim, True) if ( |
110 | cdeadadc | Stavros Sachtouris | recursive and isinstance(v, dict)) else new_v |
111 | 7493ccb6 | Stavros Sachtouris | return new_d
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112 | 7493ccb6 | Stavros Sachtouris | |
113 | fd5db045 | Stavros Sachtouris | |
114 | fa9c0c38 | Stavros Sachtouris | def print_json(data, out=stdout): |
115 | 0399ac7e | Stavros Sachtouris | """Print a list or dict as json in console
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116 | 0399ac7e | Stavros Sachtouris |
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117 | 0399ac7e | Stavros Sachtouris | :param data: json-dumpable data
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118 | 0399ac7e | Stavros Sachtouris |
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119 | fa9c0c38 | Stavros Sachtouris | :param out: Input/Output stream to dump values into
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120 | fa9c0c38 | Stavros Sachtouris | """
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121 | fa9c0c38 | Stavros Sachtouris | out.writelines(unicode(dumps(data, indent=INDENT_TAB) + '\n')) |
122 | 545c6c29 | Stavros Sachtouris | |
123 | 545c6c29 | Stavros Sachtouris | |
124 | de73876b | Stavros Sachtouris | def print_dict( |
125 | f55d3a15 | Stavros Sachtouris | d, |
126 | f55d3a15 | Stavros Sachtouris | exclude=(), indent=0,
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127 | fa9c0c38 | Stavros Sachtouris | with_enumeration=False, recursive_enumeration=False, out=stdout): |
128 | f55d3a15 | Stavros Sachtouris | """Pretty-print a dictionary object
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129 | f55d3a15 | Stavros Sachtouris | <indent>key: <non iterable item>
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130 | f55d3a15 | Stavros Sachtouris | <indent>key:
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131 | a0608786 | Stavros Sachtouris | <indent + INDENT_TAB><pretty-print iterable>
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132 | f8681ec8 | Stavros Sachtouris |
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133 | f55d3a15 | Stavros Sachtouris | :param d: (dict)
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134 | f8681ec8 | Stavros Sachtouris |
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135 | f55d3a15 | Stavros Sachtouris | :param exclude: (iterable of strings) keys to exclude from printing
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136 | f8681ec8 | Stavros Sachtouris |
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137 | f55d3a15 | Stavros Sachtouris | :param indent: (int) initial indentation (recursive)
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138 | f8681ec8 | Stavros Sachtouris |
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139 | f55d3a15 | Stavros Sachtouris | :param with_enumeration: (bool) enumerate 1st-level keys
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140 | f8681ec8 | Stavros Sachtouris |
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141 | f55d3a15 | Stavros Sachtouris | :param recursive_enumeration: (bool) recursively enumerate iterables (does
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142 | f55d3a15 | Stavros Sachtouris | not enumerate 1st level keys)
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143 | f8681ec8 | Stavros Sachtouris |
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144 | fa9c0c38 | Stavros Sachtouris | :param out: Input/Output stream to dump values into
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145 | fa9c0c38 | Stavros Sachtouris |
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146 | f55d3a15 | Stavros Sachtouris | :raises CLIError: if preconditions fail
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147 | f8681ec8 | Stavros Sachtouris | """
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148 | f55d3a15 | Stavros Sachtouris | assert isinstance(d, dict), 'print_dict input must be a dict' |
149 | f55d3a15 | Stavros Sachtouris | assert indent >= 0, 'print_dict indent must be >= 0' |
150 | 7493ccb6 | Stavros Sachtouris | |
151 | f55d3a15 | Stavros Sachtouris | for i, (k, v) in enumerate(d.items()): |
152 | f55d3a15 | Stavros Sachtouris | k = ('%s' % k).strip()
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153 | f55d3a15 | Stavros Sachtouris | if k in exclude: |
154 | 7493ccb6 | Stavros Sachtouris | continue
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155 | fa9c0c38 | Stavros Sachtouris | print_str = u' ' * indent
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156 | fa9c0c38 | Stavros Sachtouris | print_str += u'%s.' % (i + 1) if with_enumeration else u'' |
157 | fa9c0c38 | Stavros Sachtouris | print_str += u'%s:' % k
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158 | f55d3a15 | Stavros Sachtouris | if isinstance(v, dict): |
159 | fa9c0c38 | Stavros Sachtouris | out.writelines(print_str + '\n')
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160 | de73876b | Stavros Sachtouris | print_dict( |
161 | a0608786 | Stavros Sachtouris | v, exclude, indent + INDENT_TAB, |
162 | fa9c0c38 | Stavros Sachtouris | recursive_enumeration, recursive_enumeration, out) |
163 | f55d3a15 | Stavros Sachtouris | elif isinstance(v, list) or isinstance(v, tuple): |
164 | fa9c0c38 | Stavros Sachtouris | out.writelines(print_str + '\n')
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165 | de73876b | Stavros Sachtouris | print_list( |
166 | a0608786 | Stavros Sachtouris | v, exclude, indent + INDENT_TAB, |
167 | fa9c0c38 | Stavros Sachtouris | recursive_enumeration, recursive_enumeration, out) |
168 | 7493ccb6 | Stavros Sachtouris | else:
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169 | fa9c0c38 | Stavros Sachtouris | out.writelines(u'%s %s\n' % (print_str, v))
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170 | fd5db045 | Stavros Sachtouris | |
171 | 7493ccb6 | Stavros Sachtouris | |
172 | de73876b | Stavros Sachtouris | def print_list( |
173 | f55d3a15 | Stavros Sachtouris | l, |
174 | f55d3a15 | Stavros Sachtouris | exclude=(), indent=0,
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175 | fa9c0c38 | Stavros Sachtouris | with_enumeration=False, recursive_enumeration=False, out=stdout): |
176 | f55d3a15 | Stavros Sachtouris | """Pretty-print a list of items
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177 | f55d3a15 | Stavros Sachtouris | <indent>key: <non iterable item>
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178 | f55d3a15 | Stavros Sachtouris | <indent>key:
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179 | a0608786 | Stavros Sachtouris | <indent + INDENT_TAB><pretty-print iterable>
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180 | f8681ec8 | Stavros Sachtouris |
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181 | f55d3a15 | Stavros Sachtouris | :param l: (list)
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182 | f8681ec8 | Stavros Sachtouris |
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183 | f55d3a15 | Stavros Sachtouris | :param exclude: (iterable of strings) items to exclude from printing
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184 | f8681ec8 | Stavros Sachtouris |
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185 | f55d3a15 | Stavros Sachtouris | :param indent: (int) initial indentation (recursive)
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186 | f8681ec8 | Stavros Sachtouris |
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187 | f55d3a15 | Stavros Sachtouris | :param with_enumeration: (bool) enumerate 1st-level items
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188 | f8681ec8 | Stavros Sachtouris |
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189 | f55d3a15 | Stavros Sachtouris | :param recursive_enumeration: (bool) recursively enumerate iterables (does
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190 | f55d3a15 | Stavros Sachtouris | not enumerate 1st level keys)
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191 | f8681ec8 | Stavros Sachtouris |
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192 | fa9c0c38 | Stavros Sachtouris | :param out: Input/Output stream to dump values into
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193 | fa9c0c38 | Stavros Sachtouris |
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194 | f55d3a15 | Stavros Sachtouris | :raises CLIError: if preconditions fail
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195 | f8681ec8 | Stavros Sachtouris | """
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196 | f55d3a15 | Stavros Sachtouris | assert isinstance(l, list) or isinstance(l, tuple), ( |
197 | f55d3a15 | Stavros Sachtouris | 'print_list prinbts a list or tuple')
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198 | f55d3a15 | Stavros Sachtouris | assert indent >= 0, 'print_list indent must be >= 0' |
199 | f551841a | Stavros Sachtouris | |
200 | f55d3a15 | Stavros Sachtouris | for i, item in enumerate(l): |
201 | fa9c0c38 | Stavros Sachtouris | print_str = u' ' * indent
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202 | fa9c0c38 | Stavros Sachtouris | print_str += u'%s.' % (i + 1) if with_enumeration else u'' |
203 | 7493ccb6 | Stavros Sachtouris | if isinstance(item, dict): |
204 | c17b8bc0 | Stavros Sachtouris | if with_enumeration:
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205 | fa9c0c38 | Stavros Sachtouris | out.writelines(print_str + '\n')
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206 | 0f383dcc | Stavros Sachtouris | elif i and i < len(l): |
207 | fa9c0c38 | Stavros Sachtouris | out.writelines(u'\n')
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208 | de73876b | Stavros Sachtouris | print_dict( |
209 | a0608786 | Stavros Sachtouris | item, exclude, |
210 | a0608786 | Stavros Sachtouris | indent + (INDENT_TAB if with_enumeration else 0), |
211 | fa9c0c38 | Stavros Sachtouris | recursive_enumeration, recursive_enumeration, out) |
212 | f55d3a15 | Stavros Sachtouris | elif isinstance(item, list) or isinstance(item, tuple): |
213 | c17b8bc0 | Stavros Sachtouris | if with_enumeration:
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214 | fa9c0c38 | Stavros Sachtouris | out.writelines(print_str + '\n')
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215 | 0f383dcc | Stavros Sachtouris | elif i and i < len(l): |
216 | fa9c0c38 | Stavros Sachtouris | out.writelines(u'\n')
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217 | de73876b | Stavros Sachtouris | print_list( |
218 | a0608786 | Stavros Sachtouris | item, exclude, indent + INDENT_TAB, |
219 | fa9c0c38 | Stavros Sachtouris | recursive_enumeration, recursive_enumeration, out) |
220 | 7493ccb6 | Stavros Sachtouris | else:
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221 | f55d3a15 | Stavros Sachtouris | item = ('%s' % item).strip()
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222 | f55d3a15 | Stavros Sachtouris | if item in exclude: |
223 | f55d3a15 | Stavros Sachtouris | continue
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224 | c49188b7 | Stavros Sachtouris | out.write(u'%s%s\n' % (print_str, item))
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225 | c49188b7 | Stavros Sachtouris | out.flush() |
226 | 439826ec | Stavros Sachtouris | |
227 | 439826ec | Stavros Sachtouris | |
228 | de73876b | Stavros Sachtouris | def print_items( |
229 | 24ff0a35 | Stavros Sachtouris | items, title=('id', 'name'), |
230 | fa9c0c38 | Stavros Sachtouris | with_enumeration=False, with_redundancy=False, out=stdout): |
231 | a494a741 | Stavros Sachtouris | """print dict or list items in a list, using some values as title
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232 | a494a741 | Stavros Sachtouris | Objects of next level don't inherit enumeration (default: off) or titles
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233 | a494a741 | Stavros Sachtouris |
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234 | a494a741 | Stavros Sachtouris | :param items: (list) items are lists or dict
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235 | f55d3a15 | Stavros Sachtouris |
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236 | a494a741 | Stavros Sachtouris | :param title: (tuple) keys to use their values as title
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237 | f55d3a15 | Stavros Sachtouris |
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238 | a494a741 | Stavros Sachtouris | :param with_enumeration: (boolean) enumerate items (order id on title)
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239 | f55d3a15 | Stavros Sachtouris |
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240 | a494a741 | Stavros Sachtouris | :param with_redundancy: (boolean) values in title also appear on body
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241 | f55d3a15 | Stavros Sachtouris |
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242 | fa9c0c38 | Stavros Sachtouris | :param out: Input/Output stream to dump values into
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243 | a494a741 | Stavros Sachtouris | """
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244 | daedfe3c | Stavros Sachtouris | if not items: |
245 | daedfe3c | Stavros Sachtouris | return
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246 | 46d130c9 | Stavros Sachtouris | if not (isinstance(items, dict) or isinstance(items, list) or isinstance( |
247 | 46d130c9 | Stavros Sachtouris | items, tuple)):
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248 | fa9c0c38 | Stavros Sachtouris | out.writelines(u'%s\n' % items)
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249 | 31618e2a | Stavros Sachtouris | return
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250 | 31618e2a | Stavros Sachtouris | |
251 | 54d800e8 | Stavros Sachtouris | for i, item in enumerate(items): |
252 | a494a741 | Stavros Sachtouris | if with_enumeration:
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253 | fa9c0c38 | Stavros Sachtouris | out.write(u'%s. ' % (i + 1)) |
254 | 7493ccb6 | Stavros Sachtouris | if isinstance(item, dict): |
255 | 46d130c9 | Stavros Sachtouris | item = dict(item)
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256 | 46d130c9 | Stavros Sachtouris | title = sorted(set(title).intersection(item)) |
257 | 46d130c9 | Stavros Sachtouris | pick = item.get if with_redundancy else item.pop |
258 | fa9c0c38 | Stavros Sachtouris | header = u' '.join(u'%s' % pick(key) for key in title) |
259 | 6430d3a0 | Stavros Sachtouris | out.writelines((unicode(bold(header) if header else '') + '\n')) |
260 | fa9c0c38 | Stavros Sachtouris | print_dict(item, indent=INDENT_TAB, out=out) |
261 | 46d130c9 | Stavros Sachtouris | elif isinstance(item, list) or isinstance(item, tuple): |
262 | fa9c0c38 | Stavros Sachtouris | print_list(item, indent=INDENT_TAB, out=out) |
263 | a494a741 | Stavros Sachtouris | else:
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264 | fa9c0c38 | Stavros Sachtouris | out.writelines(u' %s\n' % item)
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265 | 7493ccb6 | Stavros Sachtouris | |
266 | fd5db045 | Stavros Sachtouris | |
267 | 23963422 | Stavros Sachtouris | def format_size(size, decimal_factors=False): |
268 | 23963422 | Stavros Sachtouris | units = ('B', 'KB', 'MB', 'GB', 'TB') if decimal_factors else ( |
269 | 23963422 | Stavros Sachtouris | 'B', 'KiB', 'MiB', 'GiB', 'TiB') |
270 | 23963422 | Stavros Sachtouris | step = 1000 if decimal_factors else 1024 |
271 | 23963422 | Stavros Sachtouris | fstep = float(step)
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272 | 7493ccb6 | Stavros Sachtouris | try:
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273 | 7493ccb6 | Stavros Sachtouris | size = float(size)
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274 | 23963422 | Stavros Sachtouris | except (ValueError, TypeError) as err: |
275 | 23963422 | Stavros Sachtouris | raiseCLIError(err, 'Cannot format %s in bytes' % (
|
276 | 23963422 | Stavros Sachtouris | ','.join(size) if isinstance(size, tuple) else size)) |
277 | 23963422 | Stavros Sachtouris | for i, unit in enumerate(units): |
278 | 23963422 | Stavros Sachtouris | if size < step or i + 1 == len(units): |
279 | 7493ccb6 | Stavros Sachtouris | break
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280 | 23963422 | Stavros Sachtouris | size /= fstep |
281 | 001200c3 | Stavros Sachtouris | s = ('%.2f' % size)
|
282 | 23963422 | Stavros Sachtouris | s = s.replace('%s' % step, '%s.99' % (step - 1)) if size <= fstep else s |
283 | 001200c3 | Stavros Sachtouris | while '.' in s and s[-1] in ('0', '.'): |
284 | 001200c3 | Stavros Sachtouris | s = s[:-1]
|
285 | 7493ccb6 | Stavros Sachtouris | return s + unit
|
286 | 7493ccb6 | Stavros Sachtouris | |
287 | fd5db045 | Stavros Sachtouris | |
288 | 001200c3 | Stavros Sachtouris | def to_bytes(size, format): |
289 | 001200c3 | Stavros Sachtouris | """
|
290 | 001200c3 | Stavros Sachtouris | :param size: (float) the size in the given format
|
291 | 001200c3 | Stavros Sachtouris | :param format: (case insensitive) KiB, KB, MiB, MB, GiB, GB, TiB, TB
|
292 | 001200c3 | Stavros Sachtouris |
|
293 | 001200c3 | Stavros Sachtouris | :returns: (int) the size in bytes
|
294 | 23963422 | Stavros Sachtouris | :raises ValueError: if invalid size or format
|
295 | 23963422 | Stavros Sachtouris | :raises AttributeError: if format is not str
|
296 | 23963422 | Stavros Sachtouris | :raises TypeError: if size is not arithmetic or convertible to arithmetic
|
297 | 001200c3 | Stavros Sachtouris | """
|
298 | 001200c3 | Stavros Sachtouris | format = format.upper() |
299 | 001200c3 | Stavros Sachtouris | if format == 'B': |
300 | 001200c3 | Stavros Sachtouris | return int(size) |
301 | 001200c3 | Stavros Sachtouris | size = float(size)
|
302 | 001200c3 | Stavros Sachtouris | units_dc = ('KB', 'MB', 'GB', 'TB') |
303 | 001200c3 | Stavros Sachtouris | units_bi = ('KIB', 'MIB', 'GIB', 'TIB') |
304 | 001200c3 | Stavros Sachtouris | |
305 | 001200c3 | Stavros Sachtouris | factor = 1024 if format in units_bi else 1000 if format in units_dc else 0 |
306 | 001200c3 | Stavros Sachtouris | if not factor: |
307 | 001200c3 | Stavros Sachtouris | raise ValueError('Invalid data size format %s' % format) |
308 | 001200c3 | Stavros Sachtouris | for prefix in ('K', 'M', 'G', 'T'): |
309 | 001200c3 | Stavros Sachtouris | size *= factor |
310 | 001200c3 | Stavros Sachtouris | if format.startswith(prefix):
|
311 | 001200c3 | Stavros Sachtouris | break
|
312 | 001200c3 | Stavros Sachtouris | return int(size) |
313 | 001200c3 | Stavros Sachtouris | |
314 | 001200c3 | Stavros Sachtouris | |
315 | fd5db045 | Stavros Sachtouris | def dict2file(d, f, depth=0): |
316 | 7493ccb6 | Stavros Sachtouris | for k, v in d.items(): |
317 | 23963422 | Stavros Sachtouris | f.write('%s%s: ' % (' ' * INDENT_TAB * depth, k)) |
318 | fd5db045 | Stavros Sachtouris | if isinstance(v, dict): |
319 | 7493ccb6 | Stavros Sachtouris | f.write('\n')
|
320 | fd5db045 | Stavros Sachtouris | dict2file(v, f, depth + 1)
|
321 | 23963422 | Stavros Sachtouris | elif isinstance(v, list) or isinstance(v, tuple): |
322 | 7493ccb6 | Stavros Sachtouris | f.write('\n')
|
323 | fd5db045 | Stavros Sachtouris | list2file(v, f, depth + 1)
|
324 | 7493ccb6 | Stavros Sachtouris | else:
|
325 | 23963422 | Stavros Sachtouris | f.write('%s\n' % v)
|
326 | fd5db045 | Stavros Sachtouris | |
327 | 7493ccb6 | Stavros Sachtouris | |
328 | fd5db045 | Stavros Sachtouris | def list2file(l, f, depth=1): |
329 | 7493ccb6 | Stavros Sachtouris | for item in l: |
330 | fd5db045 | Stavros Sachtouris | if isinstance(item, dict): |
331 | fd5db045 | Stavros Sachtouris | dict2file(item, f, depth + 1)
|
332 | 23963422 | Stavros Sachtouris | elif isinstance(item, list) or isinstance(item, tuple): |
333 | fd5db045 | Stavros Sachtouris | list2file(item, f, depth + 1)
|
334 | 7493ccb6 | Stavros Sachtouris | else:
|
335 | 23963422 | Stavros Sachtouris | f.write('%s%s\n' % (' ' * INDENT_TAB * depth, item)) |
336 | efbcdc41 | Stavros Sachtouris | |
337 | efbcdc41 | Stavros Sachtouris | # Split input auxiliary
|
338 | efbcdc41 | Stavros Sachtouris | |
339 | efbcdc41 | Stavros Sachtouris | |
340 | efbcdc41 | Stavros Sachtouris | def _parse_with_regex(line, regex): |
341 | efbcdc41 | Stavros Sachtouris | re_parser = regex_compile(regex) |
342 | efbcdc41 | Stavros Sachtouris | return (re_parser.split(line), re_parser.findall(line))
|
343 | efbcdc41 | Stavros Sachtouris | |
344 | efbcdc41 | Stavros Sachtouris | |
345 | 0ba7b031 | Stavros Sachtouris | def _get_from_parsed(parsed_str): |
346 | 0ba7b031 | Stavros Sachtouris | try:
|
347 | 0ba7b031 | Stavros Sachtouris | parsed_str = parsed_str.strip() |
348 | 0ba7b031 | Stavros Sachtouris | except:
|
349 | 0ba7b031 | Stavros Sachtouris | return None |
350 | 23963422 | Stavros Sachtouris | return ([parsed_str[1:-1]] if ( |
351 | 23963422 | Stavros Sachtouris | parsed_str[0] == parsed_str[-1] and parsed_str[0] in ("'", '"')) else ( |
352 | 23963422 | Stavros Sachtouris | parsed_str.split(' '))) if parsed_str else None |
353 | 0ba7b031 | Stavros Sachtouris | |
354 | 0ba7b031 | Stavros Sachtouris | |
355 | 0ba7b031 | Stavros Sachtouris | def split_input(line): |
356 | 0ba7b031 | Stavros Sachtouris | if not line: |
357 | 0ba7b031 | Stavros Sachtouris | return []
|
358 | 0ba7b031 | Stavros Sachtouris | reg_expr = '\'.*?\'|".*?"|^[\S]*$'
|
359 | 0ba7b031 | Stavros Sachtouris | (trivial_parts, interesting_parts) = _parse_with_regex(line, reg_expr) |
360 | 0ba7b031 | Stavros Sachtouris | assert(len(trivial_parts) == 1 + len(interesting_parts)) |
361 | 0ba7b031 | Stavros Sachtouris | terms = [] |
362 | 0ba7b031 | Stavros Sachtouris | for i, tpart in enumerate(trivial_parts): |
363 | 0ba7b031 | Stavros Sachtouris | part = _get_from_parsed(tpart) |
364 | 0ba7b031 | Stavros Sachtouris | if part:
|
365 | 0ba7b031 | Stavros Sachtouris | terms += part |
366 | 0ba7b031 | Stavros Sachtouris | try:
|
367 | 0ba7b031 | Stavros Sachtouris | part = _get_from_parsed(interesting_parts[i]) |
368 | 0ba7b031 | Stavros Sachtouris | except IndexError: |
369 | 0ba7b031 | Stavros Sachtouris | break
|
370 | 0ba7b031 | Stavros Sachtouris | if part:
|
371 | b9eebf2a | Stavros Sachtouris | if tpart and not tpart[-1].endswith(' '): |
372 | b9eebf2a | Stavros Sachtouris | terms[-1] += ' '.join(part) |
373 | b9eebf2a | Stavros Sachtouris | else:
|
374 | b9eebf2a | Stavros Sachtouris | terms += part |
375 | 0ba7b031 | Stavros Sachtouris | return terms
|
376 | 0ba7b031 | Stavros Sachtouris | |
377 | 0ba7b031 | Stavros Sachtouris | |
378 | fa9c0c38 | Stavros Sachtouris | def ask_user(msg, true_resp=('y', ), out=stdout, user_in=stdin): |
379 | 7147e1ca | Stavros Sachtouris | """Print msg and read user response
|
380 | 7147e1ca | Stavros Sachtouris |
|
381 | 001200c3 | Stavros Sachtouris | :param true_resp: (tuple of chars)
|
382 | 7147e1ca | Stavros Sachtouris |
|
383 | 7147e1ca | Stavros Sachtouris | :returns: (bool) True if reponse in true responses, False otherwise
|
384 | 7147e1ca | Stavros Sachtouris | """
|
385 | fa9c0c38 | Stavros Sachtouris | yep = ', '.join(true_resp)
|
386 | fa9c0c38 | Stavros Sachtouris | nope = '<not %s>' % yep if 'n' in true_resp or 'N' in true_resp else 'N' |
387 | fa9c0c38 | Stavros Sachtouris | out.write(u'%s [%s/%s]: ' % (msg, yep, nope))
|
388 | fa9c0c38 | Stavros Sachtouris | out.flush() |
389 | fa9c0c38 | Stavros Sachtouris | user_response = user_in.readline() |
390 | fa9c0c38 | Stavros Sachtouris | return user_response[0].lower() in [s.lower() for s in true_resp] |
391 | b482315a | Stavros Sachtouris | |
392 | 14b25e00 | Stavros Sachtouris | |
393 | 14b25e00 | Stavros Sachtouris | def get_path_size(testpath): |
394 | 14b25e00 | Stavros Sachtouris | if path.isfile(testpath):
|
395 | 14b25e00 | Stavros Sachtouris | return path.getsize(testpath)
|
396 | 14b25e00 | Stavros Sachtouris | total_size = 0
|
397 | 14b25e00 | Stavros Sachtouris | for top, dirs, files in walk(path.abspath(testpath)): |
398 | 14b25e00 | Stavros Sachtouris | for f in files: |
399 | 14b25e00 | Stavros Sachtouris | f = path.join(top, f) |
400 | 14b25e00 | Stavros Sachtouris | if path.isfile(f):
|
401 | 14b25e00 | Stavros Sachtouris | total_size += path.getsize(f) |
402 | 14b25e00 | Stavros Sachtouris | return total_size
|
403 | 7ba195e5 | Stavros Sachtouris | |
404 | 7ba195e5 | Stavros Sachtouris | |
405 | 7ba195e5 | Stavros Sachtouris | def remove_from_items(list_of_dicts, key_to_remove): |
406 | 7ba195e5 | Stavros Sachtouris | for item in list_of_dicts: |
407 | 7ba195e5 | Stavros Sachtouris | assert isinstance(item, dict), 'Item %s not a dict' % item |
408 | 7ba195e5 | Stavros Sachtouris | item.pop(key_to_remove, None)
|
409 | 1716a15d | Stavros Sachtouris | |
410 | 1716a15d | Stavros Sachtouris | |
411 | 1716a15d | Stavros Sachtouris | def filter_dicts_by_dict( |
412 | 1716a15d | Stavros Sachtouris | list_of_dicts, filters, |
413 | 1716a15d | Stavros Sachtouris | exact_match=True, case_sensitive=False): |
414 | 1716a15d | Stavros Sachtouris | """
|
415 | 1716a15d | Stavros Sachtouris | :param list_of_dicts: (list) each dict contains "raw" key-value pairs
|
416 | 1716a15d | Stavros Sachtouris |
|
417 | 1716a15d | Stavros Sachtouris | :param filters: (dict) filters in key-value form
|
418 | 1716a15d | Stavros Sachtouris |
|
419 | 1716a15d | Stavros Sachtouris | :param exact_match: (bool) if false, check if the filter value is part of
|
420 | 1716a15d | Stavros Sachtouris | the actual value
|
421 | 1716a15d | Stavros Sachtouris |
|
422 | 1716a15d | Stavros Sachtouris | :param case_sensitive: (bool) revers to values only (not keys)
|
423 | 1716a15d | Stavros Sachtouris |
|
424 | 1716a15d | Stavros Sachtouris | :returns: (list) only the dicts that match all filters
|
425 | 1716a15d | Stavros Sachtouris | """
|
426 | 1716a15d | Stavros Sachtouris | new_dicts = [] |
427 | 1716a15d | Stavros Sachtouris | for d in list_of_dicts: |
428 | 1716a15d | Stavros Sachtouris | if set(filters).difference(d): |
429 | 1716a15d | Stavros Sachtouris | continue
|
430 | 1716a15d | Stavros Sachtouris | match = True
|
431 | 1716a15d | Stavros Sachtouris | for k, v in filters.items(): |
432 | 1716a15d | Stavros Sachtouris | dv, v = ('%s' % d[k]), ('%s' % v) |
433 | 1716a15d | Stavros Sachtouris | if not case_sensitive: |
434 | 1716a15d | Stavros Sachtouris | dv, v = dv.lower(), v.lower() |
435 | 1716a15d | Stavros Sachtouris | if not (( |
436 | 1716a15d | Stavros Sachtouris | exact_match and v == dv) or ( |
437 | 1716a15d | Stavros Sachtouris | (not exact_match) and v in dv)): |
438 | 1716a15d | Stavros Sachtouris | match = False
|
439 | 1716a15d | Stavros Sachtouris | break
|
440 | 1716a15d | Stavros Sachtouris | if match:
|
441 | 1716a15d | Stavros Sachtouris | new_dicts.append(d) |
442 | 1716a15d | Stavros Sachtouris | return new_dicts |