root / kamaki / cli / utils.py @ 489a1047
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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 | dfee2caf | Stavros Sachtouris | try:
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34 | dfee2caf | Stavros Sachtouris | from colors import magenta, red, yellow, bold |
35 | dfee2caf | Stavros Sachtouris | except ImportError: |
36 | dfee2caf | Stavros Sachtouris | #No colours? No worries, use dummy foo instead
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37 | dfee2caf | Stavros Sachtouris | def bold(val): |
38 | dfee2caf | Stavros Sachtouris | return val
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39 | dfee2caf | Stavros Sachtouris | red = yellow = magenta = bold |
40 | f997679d | Stavros Sachtouris | |
41 | f997679d | Stavros Sachtouris | |
42 | 7493ccb6 | Stavros Sachtouris | |
43 | 7493ccb6 | Stavros Sachtouris | def pretty_keys(d, delim='_', recurcive=False): |
44 | 7493ccb6 | Stavros Sachtouris | """Transform keys of a dict from the form
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45 | 7493ccb6 | Stavros Sachtouris | str1_str2_..._strN to the form strN
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46 | 7493ccb6 | Stavros Sachtouris | where _ is the delimeter
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47 | 7493ccb6 | Stavros Sachtouris | """
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48 | 7493ccb6 | Stavros Sachtouris | new_d = {} |
49 | 7493ccb6 | Stavros Sachtouris | for key, val in d.items(): |
50 | 7493ccb6 | Stavros Sachtouris | new_key = key.split(delim)[-1]
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51 | 7493ccb6 | Stavros Sachtouris | if recurcive and isinstance(val, dict): |
52 | 7493ccb6 | Stavros Sachtouris | new_val = pretty_keys(val, delim, recurcive) |
53 | 7493ccb6 | Stavros Sachtouris | else:
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54 | 7493ccb6 | Stavros Sachtouris | new_val = val |
55 | 7493ccb6 | Stavros Sachtouris | new_d[new_key] = new_val |
56 | 7493ccb6 | Stavros Sachtouris | return new_d
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57 | 7493ccb6 | Stavros Sachtouris | |
58 | 7493ccb6 | Stavros Sachtouris | def print_dict(d, exclude=(), ident= 0): |
59 | 7493ccb6 | Stavros Sachtouris | if not isinstance(d, dict): |
60 | 7493ccb6 | Stavros Sachtouris | raise CLIError(message='Cannot dict_print a non-dict object') |
61 | 7493ccb6 | Stavros Sachtouris | try:
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62 | 7493ccb6 | Stavros Sachtouris | margin = max(
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63 | 7493ccb6 | Stavros Sachtouris | 1 + max(len(unicode(key).strip()) for key in d.keys() \ |
64 | 7493ccb6 | Stavros Sachtouris | if not isinstance(key, dict) and not isinstance(key, list)), |
65 | 7493ccb6 | Stavros Sachtouris | ident) |
66 | 7493ccb6 | Stavros Sachtouris | except ValueError: |
67 | 7493ccb6 | Stavros Sachtouris | margin = ident |
68 | 7493ccb6 | Stavros Sachtouris | |
69 | 7493ccb6 | Stavros Sachtouris | for key, val in sorted(d.items()): |
70 | 7493ccb6 | Stavros Sachtouris | if key in exclude: |
71 | 7493ccb6 | Stavros Sachtouris | continue
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72 | 7493ccb6 | Stavros Sachtouris | print_str = '%s:' % unicode(key).strip() |
73 | 7493ccb6 | Stavros Sachtouris | if isinstance(val, dict): |
74 | 7493ccb6 | Stavros Sachtouris | print(print_str.rjust(margin)+' {')
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75 | 7493ccb6 | Stavros Sachtouris | print_dict(val, exclude = exclude, ident = margin + 6)
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76 | 7493ccb6 | Stavros Sachtouris | print '}'.rjust(margin) |
77 | 7493ccb6 | Stavros Sachtouris | elif isinstance(val, list): |
78 | 7493ccb6 | Stavros Sachtouris | print(print_str.rjust(margin)+' [')
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79 | 7493ccb6 | Stavros Sachtouris | print_list(val, exclude = exclude, ident = margin + 6)
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80 | 7493ccb6 | Stavros Sachtouris | print ']'.rjust(margin) |
81 | 7493ccb6 | Stavros Sachtouris | else:
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82 | 7493ccb6 | Stavros Sachtouris | print print_str.rjust(margin)+' '+unicode(val).strip() |
83 | 7493ccb6 | Stavros Sachtouris | |
84 | 7493ccb6 | Stavros Sachtouris | def print_list(l, exclude=(), ident = 0): |
85 | 7493ccb6 | Stavros Sachtouris | if not isinstance(l, list): |
86 | 7493ccb6 | Stavros Sachtouris | raise CLIError(message='Cannot list_print a non-list object') |
87 | 7493ccb6 | Stavros Sachtouris | try:
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88 | 7493ccb6 | Stavros Sachtouris | margin = max(
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89 | 7493ccb6 | Stavros Sachtouris | 1 + max(len(unicode(item).strip()) for item in l \ |
90 | 7493ccb6 | Stavros Sachtouris | if not isinstance(item, dict) and not isinstance(item, list)), |
91 | 7493ccb6 | Stavros Sachtouris | ident) |
92 | 7493ccb6 | Stavros Sachtouris | except ValueError: |
93 | 7493ccb6 | Stavros Sachtouris | margin = ident |
94 | 7493ccb6 | Stavros Sachtouris | |
95 | 7493ccb6 | Stavros Sachtouris | for item in sorted(l): |
96 | 7493ccb6 | Stavros Sachtouris | if item in exclude: |
97 | 7493ccb6 | Stavros Sachtouris | continue
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98 | 7493ccb6 | Stavros Sachtouris | if isinstance(item, dict): |
99 | 7493ccb6 | Stavros Sachtouris | print('{'.rjust(margin))
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100 | 7493ccb6 | Stavros Sachtouris | print_dict(item, exclude = exclude, ident = margin + 6)
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101 | 7493ccb6 | Stavros Sachtouris | print '}'.rjust(margin) |
102 | 7493ccb6 | Stavros Sachtouris | elif isinstance(item, list): |
103 | 7493ccb6 | Stavros Sachtouris | print '['.rjust(margin) |
104 | 7493ccb6 | Stavros Sachtouris | print_list(item, exclude = exclude, ident = margin + 6)
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105 | 7493ccb6 | Stavros Sachtouris | print ']'.rjust(margin) |
106 | 7493ccb6 | Stavros Sachtouris | else:
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107 | 7493ccb6 | Stavros Sachtouris | print unicode(item).rjust(margin) |
108 | 7493ccb6 | Stavros Sachtouris | |
109 | 7493ccb6 | Stavros Sachtouris | def print_items(items, title=('id', 'name')): |
110 | 7493ccb6 | Stavros Sachtouris | for item in items: |
111 | 7493ccb6 | Stavros Sachtouris | if isinstance(item, dict) or isinstance(item, list): |
112 | 7493ccb6 | Stavros Sachtouris | print ' '.join(unicode(item.pop(key)) for key in title if key in item) |
113 | 7493ccb6 | Stavros Sachtouris | if isinstance(item, dict): |
114 | 7493ccb6 | Stavros Sachtouris | print_dict(item) |
115 | 7493ccb6 | Stavros Sachtouris | |
116 | 7493ccb6 | Stavros Sachtouris | def format_size(size): |
117 | 7493ccb6 | Stavros Sachtouris | units = ('B', 'K', 'M', 'G', 'T') |
118 | 7493ccb6 | Stavros Sachtouris | try:
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119 | 7493ccb6 | Stavros Sachtouris | size = float(size)
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120 | 7493ccb6 | Stavros Sachtouris | except ValueError: |
121 | 7493ccb6 | Stavros Sachtouris | raise CLIError(message='Cannot format %s in bytes'%size) |
122 | 7493ccb6 | Stavros Sachtouris | for unit in units: |
123 | 7493ccb6 | Stavros Sachtouris | if size < 1024: |
124 | 7493ccb6 | Stavros Sachtouris | break
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125 | 7493ccb6 | Stavros Sachtouris | size /= 1024
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126 | 7493ccb6 | Stavros Sachtouris | s = ('%.1f' % size)
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127 | 7493ccb6 | Stavros Sachtouris | if '.0' == s[-2:]: |
128 | 7493ccb6 | Stavros Sachtouris | s = s[:-2]
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129 | 7493ccb6 | Stavros Sachtouris | return s + unit
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130 | 7493ccb6 | Stavros Sachtouris | |
131 | 7493ccb6 | Stavros Sachtouris | def dict2file(d, f, depth = 0): |
132 | 7493ccb6 | Stavros Sachtouris | for k, v in d.items(): |
133 | 7493ccb6 | Stavros Sachtouris | f.write('%s%s: '%('\t'*depth, k)) |
134 | 926d6863 | Stavros Sachtouris | if isinstance(v,dict): |
135 | 7493ccb6 | Stavros Sachtouris | f.write('\n')
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136 | 7493ccb6 | Stavros Sachtouris | dict2file(v, f, depth+1)
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137 | 926d6863 | Stavros Sachtouris | elif isinstance(v,list): |
138 | 7493ccb6 | Stavros Sachtouris | f.write('\n')
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139 | 7493ccb6 | Stavros Sachtouris | list2file(v, f, depth+1)
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140 | 7493ccb6 | Stavros Sachtouris | else:
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141 | 7493ccb6 | Stavros Sachtouris | f.write(' %s\n'%unicode(v)) |
142 | 7493ccb6 | Stavros Sachtouris | |
143 | 7493ccb6 | Stavros Sachtouris | def list2file(l, f, depth = 1): |
144 | 7493ccb6 | Stavros Sachtouris | for item in l: |
145 | 926d6863 | Stavros Sachtouris | if isinstance(item,dict): |
146 | 7493ccb6 | Stavros Sachtouris | dict2file(item, f, depth+1)
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147 | 926d6863 | Stavros Sachtouris | elif isinstance(item,list): |
148 | 7493ccb6 | Stavros Sachtouris | list2file(item, f, depth+1)
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149 | 7493ccb6 | Stavros Sachtouris | else:
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150 | 7493ccb6 | Stavros Sachtouris | f.write('%s%s\n'%('\t'*depth, unicode(item))) |