root / kamaki / cli / utils.py @ 1e1d6f27
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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 | 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 | 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 | 7493ccb6 | Stavros Sachtouris | def pretty_keys(d, delim='_', recurcive=False): |
104 | f23a5cdb | Stavros Sachtouris | """<term>delim<term> to <term> <term> transformation
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105 | 7493ccb6 | Stavros Sachtouris | """
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106 | 7493ccb6 | Stavros Sachtouris | new_d = {} |
107 | 7493ccb6 | Stavros Sachtouris | for key, val in d.items(): |
108 | 7493ccb6 | Stavros Sachtouris | new_key = key.split(delim)[-1]
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109 | 7493ccb6 | Stavros Sachtouris | if recurcive and isinstance(val, dict): |
110 | fd5db045 | Stavros Sachtouris | new_val = pretty_keys(val, delim, recurcive) |
111 | 7493ccb6 | Stavros Sachtouris | else:
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112 | 7493ccb6 | Stavros Sachtouris | new_val = val |
113 | 7493ccb6 | Stavros Sachtouris | new_d[new_key] = new_val |
114 | 7493ccb6 | Stavros Sachtouris | return new_d
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115 | 7493ccb6 | Stavros Sachtouris | |
116 | fd5db045 | Stavros Sachtouris | |
117 | 0399ac7e | Stavros Sachtouris | def print_json(data): |
118 | 0399ac7e | Stavros Sachtouris | """Print a list or dict as json in console
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119 | 0399ac7e | Stavros Sachtouris |
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120 | 0399ac7e | Stavros Sachtouris | :param data: json-dumpable data
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121 | 0399ac7e | Stavros Sachtouris | """
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122 | a0608786 | Stavros Sachtouris | print(dumps(data, indent=INDENT_TAB)) |
123 | 0399ac7e | Stavros Sachtouris | |
124 | 0399ac7e | Stavros Sachtouris | |
125 | 545c6c29 | Stavros Sachtouris | def pretty_dict(d, *args, **kwargs): |
126 | 545c6c29 | Stavros Sachtouris | print_dict(pretty_keys(d, *args, **kwargs)) |
127 | 545c6c29 | Stavros Sachtouris | |
128 | 545c6c29 | Stavros Sachtouris | |
129 | de73876b | Stavros Sachtouris | def print_dict( |
130 | f55d3a15 | Stavros Sachtouris | d, |
131 | f55d3a15 | Stavros Sachtouris | exclude=(), indent=0,
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132 | 24ff0a35 | Stavros Sachtouris | with_enumeration=False, recursive_enumeration=False): |
133 | f55d3a15 | Stavros Sachtouris | """Pretty-print a dictionary object
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134 | f55d3a15 | Stavros Sachtouris | <indent>key: <non iterable item>
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135 | f55d3a15 | Stavros Sachtouris | <indent>key:
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136 | a0608786 | Stavros Sachtouris | <indent + INDENT_TAB><pretty-print iterable>
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137 | f8681ec8 | Stavros Sachtouris |
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138 | f55d3a15 | Stavros Sachtouris | :param d: (dict)
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139 | f8681ec8 | Stavros Sachtouris |
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140 | f55d3a15 | Stavros Sachtouris | :param exclude: (iterable of strings) keys to exclude from printing
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141 | f8681ec8 | Stavros Sachtouris |
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142 | f55d3a15 | Stavros Sachtouris | :param indent: (int) initial indentation (recursive)
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143 | f8681ec8 | Stavros Sachtouris |
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144 | f55d3a15 | Stavros Sachtouris | :param with_enumeration: (bool) enumerate 1st-level keys
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145 | f8681ec8 | Stavros Sachtouris |
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146 | f55d3a15 | Stavros Sachtouris | :param recursive_enumeration: (bool) recursively enumerate iterables (does
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147 | f55d3a15 | Stavros Sachtouris | not enumerate 1st level keys)
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148 | f8681ec8 | Stavros Sachtouris |
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149 | f55d3a15 | Stavros Sachtouris | :raises CLIError: if preconditions fail
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150 | f8681ec8 | Stavros Sachtouris | """
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151 | f55d3a15 | Stavros Sachtouris | assert isinstance(d, dict), 'print_dict input must be a dict' |
152 | f55d3a15 | Stavros Sachtouris | assert indent >= 0, 'print_dict indent must be >= 0' |
153 | 7493ccb6 | Stavros Sachtouris | |
154 | f55d3a15 | Stavros Sachtouris | for i, (k, v) in enumerate(d.items()): |
155 | f55d3a15 | Stavros Sachtouris | k = ('%s' % k).strip()
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156 | f55d3a15 | Stavros Sachtouris | if k in exclude: |
157 | 7493ccb6 | Stavros Sachtouris | continue
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158 | f55d3a15 | Stavros Sachtouris | print_str = ' ' * indent
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159 | f55d3a15 | Stavros Sachtouris | print_str += '%s.' % (i + 1) if with_enumeration else '' |
160 | f55d3a15 | Stavros Sachtouris | print_str += '%s:' % k
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161 | f55d3a15 | Stavros Sachtouris | if isinstance(v, dict): |
162 | f55d3a15 | Stavros Sachtouris | print print_str
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163 | de73876b | Stavros Sachtouris | print_dict( |
164 | a0608786 | Stavros Sachtouris | v, exclude, indent + INDENT_TAB, |
165 | f55d3a15 | Stavros Sachtouris | recursive_enumeration, recursive_enumeration) |
166 | f55d3a15 | Stavros Sachtouris | elif isinstance(v, list) or isinstance(v, tuple): |
167 | f55d3a15 | Stavros Sachtouris | print print_str
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168 | de73876b | Stavros Sachtouris | print_list( |
169 | a0608786 | Stavros Sachtouris | v, exclude, indent + INDENT_TAB, |
170 | f55d3a15 | Stavros Sachtouris | recursive_enumeration, recursive_enumeration) |
171 | 7493ccb6 | Stavros Sachtouris | else:
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172 | f55d3a15 | Stavros Sachtouris | print '%s %s' % (print_str, v) |
173 | fd5db045 | Stavros Sachtouris | |
174 | 7493ccb6 | Stavros Sachtouris | |
175 | de73876b | Stavros Sachtouris | def print_list( |
176 | f55d3a15 | Stavros Sachtouris | l, |
177 | f55d3a15 | Stavros Sachtouris | exclude=(), indent=0,
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178 | 24ff0a35 | Stavros Sachtouris | with_enumeration=False, recursive_enumeration=False): |
179 | f55d3a15 | Stavros Sachtouris | """Pretty-print a list of items
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180 | f55d3a15 | Stavros Sachtouris | <indent>key: <non iterable item>
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181 | f55d3a15 | Stavros Sachtouris | <indent>key:
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182 | a0608786 | Stavros Sachtouris | <indent + INDENT_TAB><pretty-print iterable>
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183 | f8681ec8 | Stavros Sachtouris |
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184 | f55d3a15 | Stavros Sachtouris | :param l: (list)
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185 | f8681ec8 | Stavros Sachtouris |
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186 | f55d3a15 | Stavros Sachtouris | :param exclude: (iterable of strings) items to exclude from printing
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187 | f8681ec8 | Stavros Sachtouris |
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188 | f55d3a15 | Stavros Sachtouris | :param indent: (int) initial indentation (recursive)
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189 | f8681ec8 | Stavros Sachtouris |
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190 | f55d3a15 | Stavros Sachtouris | :param with_enumeration: (bool) enumerate 1st-level items
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191 | f8681ec8 | Stavros Sachtouris |
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192 | f55d3a15 | Stavros Sachtouris | :param recursive_enumeration: (bool) recursively enumerate iterables (does
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193 | f55d3a15 | Stavros Sachtouris | not enumerate 1st level keys)
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194 | f8681ec8 | Stavros Sachtouris |
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195 | f55d3a15 | Stavros Sachtouris | :raises CLIError: if preconditions fail
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196 | f8681ec8 | Stavros Sachtouris | """
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197 | f55d3a15 | Stavros Sachtouris | assert isinstance(l, list) or isinstance(l, tuple), ( |
198 | f55d3a15 | Stavros Sachtouris | 'print_list prinbts a list or tuple')
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199 | f55d3a15 | Stavros Sachtouris | assert indent >= 0, 'print_list indent must be >= 0' |
200 | f551841a | Stavros Sachtouris | |
201 | a0608786 | Stavros Sachtouris | counter = 0
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202 | f55d3a15 | Stavros Sachtouris | for i, item in enumerate(l): |
203 | f55d3a15 | Stavros Sachtouris | print_str = ' ' * indent
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204 | f55d3a15 | Stavros Sachtouris | print_str += '%s.' % (i + 1) if with_enumeration else '' |
205 | 7493ccb6 | Stavros Sachtouris | if isinstance(item, dict): |
206 | c17b8bc0 | Stavros Sachtouris | if with_enumeration:
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207 | f55d3a15 | Stavros Sachtouris | print print_str
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208 | a0608786 | Stavros Sachtouris | elif counter and counter < len(l): |
209 | a0608786 | Stavros Sachtouris | print
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210 | de73876b | Stavros Sachtouris | print_dict( |
211 | a0608786 | Stavros Sachtouris | item, exclude, |
212 | a0608786 | Stavros Sachtouris | indent + (INDENT_TAB if with_enumeration else 0), |
213 | f55d3a15 | Stavros Sachtouris | recursive_enumeration, recursive_enumeration) |
214 | f55d3a15 | Stavros Sachtouris | elif isinstance(item, list) or isinstance(item, tuple): |
215 | c17b8bc0 | Stavros Sachtouris | if with_enumeration:
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216 | f55d3a15 | Stavros Sachtouris | print print_str
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217 | a0608786 | Stavros Sachtouris | elif counter and counter < len(l): |
218 | a0608786 | Stavros Sachtouris | print
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219 | de73876b | Stavros Sachtouris | print_list( |
220 | a0608786 | Stavros Sachtouris | item, exclude, indent + INDENT_TAB, |
221 | f55d3a15 | Stavros Sachtouris | recursive_enumeration, recursive_enumeration) |
222 | 7493ccb6 | Stavros Sachtouris | else:
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223 | f55d3a15 | Stavros Sachtouris | item = ('%s' % item).strip()
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224 | f55d3a15 | Stavros Sachtouris | if item in exclude: |
225 | f55d3a15 | Stavros Sachtouris | continue
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226 | f55d3a15 | Stavros Sachtouris | print '%s%s' % (print_str, item) |
227 | a0608786 | Stavros Sachtouris | counter += 1
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228 | 7493ccb6 | Stavros Sachtouris | |
229 | fd5db045 | Stavros Sachtouris | |
230 | 439826ec | Stavros Sachtouris | def page_hold(index, limit, maxlen): |
231 | 439826ec | Stavros Sachtouris | """Check if there are results to show, and hold the page when needed
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232 | 439826ec | Stavros Sachtouris | :param index: (int) > 0
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233 | 439826ec | Stavros Sachtouris | :param limit: (int) 0 < limit <= max, page hold if limit mod index == 0
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234 | 439826ec | Stavros Sachtouris | :param maxlen: (int) Don't hold if index reaches maxlen
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235 | 439826ec | Stavros Sachtouris |
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236 | 439826ec | Stavros Sachtouris | :returns: True if there are more to show, False if all results are shown
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237 | 439826ec | Stavros Sachtouris | """
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238 | 439826ec | Stavros Sachtouris | if index >= limit and index % limit == 0: |
239 | 439826ec | Stavros Sachtouris | if index >= maxlen:
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240 | 439826ec | Stavros Sachtouris | return False |
241 | 439826ec | Stavros Sachtouris | else:
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242 | 439826ec | Stavros Sachtouris | print('(%s listed - %s more - "enter" to continue)' % (
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243 | 439826ec | Stavros Sachtouris | index, |
244 | 439826ec | Stavros Sachtouris | maxlen - index)) |
245 | 439826ec | Stavros Sachtouris | c = ' '
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246 | 439826ec | Stavros Sachtouris | while c != '\n': |
247 | 439826ec | Stavros Sachtouris | c = stdin.read(1)
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248 | 439826ec | Stavros Sachtouris | return True |
249 | 439826ec | Stavros Sachtouris | |
250 | 439826ec | Stavros Sachtouris | |
251 | de73876b | Stavros Sachtouris | def print_items( |
252 | 24ff0a35 | Stavros Sachtouris | items, title=('id', 'name'), |
253 | 24ff0a35 | Stavros Sachtouris | with_enumeration=False, with_redundancy=False, |
254 | 24ff0a35 | Stavros Sachtouris | page_size=0):
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255 | a494a741 | Stavros Sachtouris | """print dict or list items in a list, using some values as title
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256 | a494a741 | Stavros Sachtouris | Objects of next level don't inherit enumeration (default: off) or titles
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257 | a494a741 | Stavros Sachtouris |
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258 | a494a741 | Stavros Sachtouris | :param items: (list) items are lists or dict
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259 | f55d3a15 | Stavros Sachtouris |
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260 | a494a741 | Stavros Sachtouris | :param title: (tuple) keys to use their values as title
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261 | f55d3a15 | Stavros Sachtouris |
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262 | a494a741 | Stavros Sachtouris | :param with_enumeration: (boolean) enumerate items (order id on title)
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263 | f55d3a15 | Stavros Sachtouris |
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264 | a494a741 | Stavros Sachtouris | :param with_redundancy: (boolean) values in title also appear on body
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265 | f55d3a15 | Stavros Sachtouris |
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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 | 31618e2a | Stavros Sachtouris | elif not ( |
272 | 31618e2a | Stavros Sachtouris | isinstance(items, dict) or isinstance( |
273 | 31618e2a | Stavros Sachtouris | items, list) or isinstance(items, dict)): |
274 | 31618e2a | Stavros Sachtouris | print '%s' % items |
275 | 31618e2a | Stavros Sachtouris | return
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276 | 31618e2a | Stavros Sachtouris | |
277 | bd40efdf | Stavros Sachtouris | try:
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278 | bd40efdf | Stavros Sachtouris | page_size = int(page_size) if int(page_size) > 0 else len(items) |
279 | bd40efdf | Stavros Sachtouris | except:
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280 | bd40efdf | Stavros Sachtouris | page_size = len(items)
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281 | bd40efdf | Stavros Sachtouris | num_of_pages = len(items) // page_size
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282 | bd40efdf | Stavros Sachtouris | num_of_pages += 1 if len(items) % page_size else 0 |
283 | 54d800e8 | Stavros Sachtouris | for i, item in enumerate(items): |
284 | a494a741 | Stavros Sachtouris | if with_enumeration:
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285 | a494a741 | Stavros Sachtouris | stdout.write('%s. ' % (i + 1)) |
286 | a494a741 | Stavros Sachtouris | if isinstance(item, dict): |
287 | a494a741 | Stavros Sachtouris | title = sorted(set(title).intersection(item.keys())) |
288 | a494a741 | Stavros Sachtouris | if with_redundancy:
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289 | a517ff50 | Stavros Sachtouris | header = ' '.join('%s' % item[key] for key in title) |
290 | a494a741 | Stavros Sachtouris | else:
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291 | a517ff50 | Stavros Sachtouris | header = ' '.join('%s' % item.pop(key) for key in title) |
292 | aa25346e | Stavros Sachtouris | print(bold(header)) |
293 | 7493ccb6 | Stavros Sachtouris | if isinstance(item, dict): |
294 | a0608786 | Stavros Sachtouris | print_dict(item, indent=INDENT_TAB) |
295 | aa25346e | Stavros Sachtouris | elif isinstance(item, list): |
296 | a0608786 | Stavros Sachtouris | print_list(item, indent=INDENT_TAB) |
297 | a494a741 | Stavros Sachtouris | else:
|
298 | a494a741 | Stavros Sachtouris | print(' %s' % item)
|
299 | 439826ec | Stavros Sachtouris | page_hold(i + 1, page_size, len(items)) |
300 | 7493ccb6 | Stavros Sachtouris | |
301 | fd5db045 | Stavros Sachtouris | |
302 | 7493ccb6 | Stavros Sachtouris | def format_size(size): |
303 | 001200c3 | Stavros Sachtouris | units = ('B', 'KiB', 'MiB', 'GiB', 'TiB') |
304 | 7493ccb6 | Stavros Sachtouris | try:
|
305 | 7493ccb6 | Stavros Sachtouris | size = float(size)
|
306 | 2ff0b7bd | Stavros Sachtouris | except ValueError as err: |
307 | 2ff0b7bd | Stavros Sachtouris | raiseCLIError(err, 'Cannot format %s in bytes' % size)
|
308 | 7493ccb6 | Stavros Sachtouris | for unit in units: |
309 | 7493ccb6 | Stavros Sachtouris | if size < 1024: |
310 | 7493ccb6 | Stavros Sachtouris | break
|
311 | 001200c3 | Stavros Sachtouris | size /= 1024.0
|
312 | 001200c3 | Stavros Sachtouris | s = ('%.2f' % size)
|
313 | 001200c3 | Stavros Sachtouris | while '.' in s and s[-1] in ('0', '.'): |
314 | 001200c3 | Stavros Sachtouris | s = s[:-1]
|
315 | 7493ccb6 | Stavros Sachtouris | return s + unit
|
316 | 7493ccb6 | Stavros Sachtouris | |
317 | fd5db045 | Stavros Sachtouris | |
318 | 001200c3 | Stavros Sachtouris | def to_bytes(size, format): |
319 | 001200c3 | Stavros Sachtouris | """
|
320 | 001200c3 | Stavros Sachtouris | :param size: (float) the size in the given format
|
321 | 001200c3 | Stavros Sachtouris | :param format: (case insensitive) KiB, KB, MiB, MB, GiB, GB, TiB, TB
|
322 | 001200c3 | Stavros Sachtouris |
|
323 | 001200c3 | Stavros Sachtouris | :returns: (int) the size in bytes
|
324 | 001200c3 | Stavros Sachtouris | """
|
325 | 001200c3 | Stavros Sachtouris | format = format.upper() |
326 | 001200c3 | Stavros Sachtouris | if format == 'B': |
327 | 001200c3 | Stavros Sachtouris | return int(size) |
328 | 001200c3 | Stavros Sachtouris | size = float(size)
|
329 | 001200c3 | Stavros Sachtouris | units_dc = ('KB', 'MB', 'GB', 'TB') |
330 | 001200c3 | Stavros Sachtouris | units_bi = ('KIB', 'MIB', 'GIB', 'TIB') |
331 | 001200c3 | Stavros Sachtouris | |
332 | 001200c3 | Stavros Sachtouris | factor = 1024 if format in units_bi else 1000 if format in units_dc else 0 |
333 | 001200c3 | Stavros Sachtouris | if not factor: |
334 | 001200c3 | Stavros Sachtouris | raise ValueError('Invalid data size format %s' % format) |
335 | 001200c3 | Stavros Sachtouris | for prefix in ('K', 'M', 'G', 'T'): |
336 | 001200c3 | Stavros Sachtouris | size *= factor |
337 | 001200c3 | Stavros Sachtouris | if format.startswith(prefix):
|
338 | 001200c3 | Stavros Sachtouris | break
|
339 | 001200c3 | Stavros Sachtouris | return int(size) |
340 | 001200c3 | Stavros Sachtouris | |
341 | 001200c3 | Stavros Sachtouris | |
342 | fd5db045 | Stavros Sachtouris | def dict2file(d, f, depth=0): |
343 | 7493ccb6 | Stavros Sachtouris | for k, v in d.items(): |
344 | fd5db045 | Stavros Sachtouris | f.write('%s%s: ' % ('\t' * depth, k)) |
345 | fd5db045 | Stavros Sachtouris | if isinstance(v, dict): |
346 | 7493ccb6 | Stavros Sachtouris | f.write('\n')
|
347 | fd5db045 | Stavros Sachtouris | dict2file(v, f, depth + 1)
|
348 | fd5db045 | Stavros Sachtouris | elif isinstance(v, list): |
349 | 7493ccb6 | Stavros Sachtouris | f.write('\n')
|
350 | fd5db045 | Stavros Sachtouris | list2file(v, f, depth + 1)
|
351 | 7493ccb6 | Stavros Sachtouris | else:
|
352 | a517ff50 | Stavros Sachtouris | f.write(' %s\n' % v)
|
353 | fd5db045 | Stavros Sachtouris | |
354 | 7493ccb6 | Stavros Sachtouris | |
355 | fd5db045 | Stavros Sachtouris | def list2file(l, f, depth=1): |
356 | 7493ccb6 | Stavros Sachtouris | for item in l: |
357 | fd5db045 | Stavros Sachtouris | if isinstance(item, dict): |
358 | fd5db045 | Stavros Sachtouris | dict2file(item, f, depth + 1)
|
359 | fd5db045 | Stavros Sachtouris | elif isinstance(item, list): |
360 | fd5db045 | Stavros Sachtouris | list2file(item, f, depth + 1)
|
361 | 7493ccb6 | Stavros Sachtouris | else:
|
362 | a517ff50 | Stavros Sachtouris | f.write('%s%s\n' % ('\t' * depth, item)) |
363 | efbcdc41 | Stavros Sachtouris | |
364 | efbcdc41 | Stavros Sachtouris | # Split input auxiliary
|
365 | efbcdc41 | Stavros Sachtouris | |
366 | efbcdc41 | Stavros Sachtouris | |
367 | efbcdc41 | Stavros Sachtouris | def _parse_with_regex(line, regex): |
368 | efbcdc41 | Stavros Sachtouris | re_parser = regex_compile(regex) |
369 | efbcdc41 | Stavros Sachtouris | return (re_parser.split(line), re_parser.findall(line))
|
370 | efbcdc41 | Stavros Sachtouris | |
371 | efbcdc41 | Stavros Sachtouris | |
372 | efbcdc41 | Stavros Sachtouris | def _sub_split(line): |
373 | efbcdc41 | Stavros Sachtouris | terms = [] |
374 | efbcdc41 | Stavros Sachtouris | (sub_trivials, sub_interesting) = _parse_with_regex(line, ' ".*?" ')
|
375 | efbcdc41 | Stavros Sachtouris | for subi, subipart in enumerate(sub_interesting): |
376 | efbcdc41 | Stavros Sachtouris | terms += sub_trivials[subi].split() |
377 | efbcdc41 | Stavros Sachtouris | terms.append(subipart[2:-2]) |
378 | efbcdc41 | Stavros Sachtouris | terms += sub_trivials[-1].split()
|
379 | efbcdc41 | Stavros Sachtouris | return terms
|
380 | efbcdc41 | Stavros Sachtouris | |
381 | efbcdc41 | Stavros Sachtouris | |
382 | 0ba7b031 | Stavros Sachtouris | def old_split_input(line): |
383 | 0ba7b031 | Stavros Sachtouris | """Use regular expressions to split a line correctly"""
|
384 | efbcdc41 | Stavros Sachtouris | line = ' %s ' % line
|
385 | efbcdc41 | Stavros Sachtouris | (trivial_parts, interesting_parts) = _parse_with_regex(line, ' \'.*?\' ')
|
386 | efbcdc41 | Stavros Sachtouris | terms = [] |
387 | efbcdc41 | Stavros Sachtouris | for i, ipart in enumerate(interesting_parts): |
388 | efbcdc41 | Stavros Sachtouris | terms += _sub_split(trivial_parts[i]) |
389 | efbcdc41 | Stavros Sachtouris | terms.append(ipart[2:-2]) |
390 | efbcdc41 | Stavros Sachtouris | terms += _sub_split(trivial_parts[-1])
|
391 | efbcdc41 | Stavros Sachtouris | return terms
|
392 | 7147e1ca | Stavros Sachtouris | |
393 | 7147e1ca | Stavros Sachtouris | |
394 | 0ba7b031 | Stavros Sachtouris | def _get_from_parsed(parsed_str): |
395 | 0ba7b031 | Stavros Sachtouris | try:
|
396 | 0ba7b031 | Stavros Sachtouris | parsed_str = parsed_str.strip() |
397 | 0ba7b031 | Stavros Sachtouris | except:
|
398 | 0ba7b031 | Stavros Sachtouris | return None |
399 | 0ba7b031 | Stavros Sachtouris | if parsed_str:
|
400 | 0ba7b031 | Stavros Sachtouris | if parsed_str[0] == parsed_str[-1] and parsed_str[0] in ("'", '"'): |
401 | 0ba7b031 | Stavros Sachtouris | return [parsed_str[1:-1]] |
402 | 0ba7b031 | Stavros Sachtouris | return parsed_str.split(' ') |
403 | 0ba7b031 | Stavros Sachtouris | return None |
404 | 0ba7b031 | Stavros Sachtouris | |
405 | 0ba7b031 | Stavros Sachtouris | |
406 | 0ba7b031 | Stavros Sachtouris | def split_input(line): |
407 | 0ba7b031 | Stavros Sachtouris | if not line: |
408 | 0ba7b031 | Stavros Sachtouris | return []
|
409 | 0ba7b031 | Stavros Sachtouris | reg_expr = '\'.*?\'|".*?"|^[\S]*$'
|
410 | 0ba7b031 | Stavros Sachtouris | (trivial_parts, interesting_parts) = _parse_with_regex(line, reg_expr) |
411 | 0ba7b031 | Stavros Sachtouris | assert(len(trivial_parts) == 1 + len(interesting_parts)) |
412 | 0ba7b031 | Stavros Sachtouris | #print(' [split_input] trivial_parts %s are' % trivial_parts)
|
413 | 0ba7b031 | Stavros Sachtouris | #print(' [split_input] interesting_parts %s are' % interesting_parts)
|
414 | 0ba7b031 | Stavros Sachtouris | terms = [] |
415 | 0ba7b031 | Stavros Sachtouris | for i, tpart in enumerate(trivial_parts): |
416 | 0ba7b031 | Stavros Sachtouris | part = _get_from_parsed(tpart) |
417 | 0ba7b031 | Stavros Sachtouris | if part:
|
418 | 0ba7b031 | Stavros Sachtouris | terms += part |
419 | 0ba7b031 | Stavros Sachtouris | try:
|
420 | 0ba7b031 | Stavros Sachtouris | part = _get_from_parsed(interesting_parts[i]) |
421 | 0ba7b031 | Stavros Sachtouris | except IndexError: |
422 | 0ba7b031 | Stavros Sachtouris | break
|
423 | 0ba7b031 | Stavros Sachtouris | if part:
|
424 | 0ba7b031 | Stavros Sachtouris | terms += part |
425 | 0ba7b031 | Stavros Sachtouris | return terms
|
426 | 0ba7b031 | Stavros Sachtouris | |
427 | 0ba7b031 | Stavros Sachtouris | |
428 | f55d3a15 | Stavros Sachtouris | def ask_user(msg, true_resp=('y', )): |
429 | 7147e1ca | Stavros Sachtouris | """Print msg and read user response
|
430 | 7147e1ca | Stavros Sachtouris |
|
431 | 001200c3 | Stavros Sachtouris | :param true_resp: (tuple of chars)
|
432 | 7147e1ca | Stavros Sachtouris |
|
433 | 7147e1ca | Stavros Sachtouris | :returns: (bool) True if reponse in true responses, False otherwise
|
434 | 7147e1ca | Stavros Sachtouris | """
|
435 | f55d3a15 | Stavros Sachtouris | stdout.write('%s [%s/N]: ' % (msg, ', '.join(true_resp))) |
436 | 7147e1ca | Stavros Sachtouris | stdout.flush() |
437 | 001200c3 | Stavros Sachtouris | user_response = stdin.readline() |
438 | f55d3a15 | Stavros Sachtouris | return user_response[0].lower() in true_resp |
439 | 0ba7b031 | Stavros Sachtouris | |
440 | 0ba7b031 | Stavros Sachtouris | |
441 | 02846a75 | Stavros Sachtouris | def spiner(size=None): |
442 | b482315a | Stavros Sachtouris | spins = ('/', '-', '\\', '|') |
443 | b482315a | Stavros Sachtouris | stdout.write(' ')
|
444 | 02846a75 | Stavros Sachtouris | size = size or -1 |
445 | 02846a75 | Stavros Sachtouris | i = 0
|
446 | 02846a75 | Stavros Sachtouris | while size - i:
|
447 | b482315a | Stavros Sachtouris | stdout.write('\b%s' % spins[i % len(spins)]) |
448 | b482315a | Stavros Sachtouris | stdout.flush() |
449 | b482315a | Stavros Sachtouris | i += 1
|
450 | 02846a75 | Stavros Sachtouris | sleep(0.1)
|
451 | b482315a | Stavros Sachtouris | yield
|
452 | b58c1078 | Stavros Sachtouris | yield
|
453 | b482315a | Stavros Sachtouris | |
454 | 0ba7b031 | Stavros Sachtouris | if __name__ == '__main__': |
455 | de73876b | Stavros Sachtouris | examples = [ |
456 | de73876b | 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_la \'le le\' "li li"',
|
467 | 0ba7b031 | Stavros Sachtouris | 'la_la \'le le\' li_li',
|
468 | 0ba7b031 | Stavros Sachtouris | '\'la la\' le_le "li li"',
|
469 | 0ba7b031 | Stavros Sachtouris | '"la la" le_le \'li li\'',
|
470 | 0ba7b031 | Stavros Sachtouris | '"la la" \'le le\' li_li',
|
471 | 0ba7b031 | Stavros Sachtouris | 'la_la \'le\'le\' "li\'li"',
|
472 | 0ba7b031 | Stavros Sachtouris | '"la \'le le\' la"',
|
473 | 0ba7b031 | Stavros Sachtouris | '\'la "le le" la\'',
|
474 | 0ba7b031 | Stavros Sachtouris | '\'la "la" la\' "le \'le\' le" li_"li"_li',
|
475 | de73876b | Stavros Sachtouris | '\'\' \'L\' "" "A"']
|
476 | 0ba7b031 | Stavros Sachtouris | |
477 | 0ba7b031 | Stavros Sachtouris | for i, example in enumerate(examples): |
478 | 0ba7b031 | Stavros Sachtouris | print('%s. Split this: (%s)' % (i + 1, example)) |
479 | 0ba7b031 | Stavros Sachtouris | ret = old_split_input(example) |
480 | 0ba7b031 | Stavros Sachtouris | print('\t(%s) of size %s' % (ret, len(ret))) |
481 | 14b25e00 | Stavros Sachtouris | |
482 | 14b25e00 | Stavros Sachtouris | |
483 | 14b25e00 | Stavros Sachtouris | def get_path_size(testpath): |
484 | 14b25e00 | Stavros Sachtouris | if path.isfile(testpath):
|
485 | 14b25e00 | Stavros Sachtouris | return path.getsize(testpath)
|
486 | 14b25e00 | Stavros Sachtouris | total_size = 0
|
487 | 14b25e00 | Stavros Sachtouris | for top, dirs, files in walk(path.abspath(testpath)): |
488 | 14b25e00 | Stavros Sachtouris | for f in files: |
489 | 14b25e00 | Stavros Sachtouris | f = path.join(top, f) |
490 | 14b25e00 | Stavros Sachtouris | if path.isfile(f):
|
491 | 14b25e00 | Stavros Sachtouris | total_size += path.getsize(f) |
492 | 14b25e00 | Stavros Sachtouris | return total_size
|
493 | 7ba195e5 | Stavros Sachtouris | |
494 | 7ba195e5 | Stavros Sachtouris | |
495 | 7ba195e5 | Stavros Sachtouris | def remove_from_items(list_of_dicts, key_to_remove): |
496 | 7ba195e5 | Stavros Sachtouris | for item in list_of_dicts: |
497 | 7ba195e5 | Stavros Sachtouris | assert isinstance(item, dict), 'Item %s not a dict' % item |
498 | 7ba195e5 | Stavros Sachtouris | item.pop(key_to_remove, None) |