root / image_creator / dialog_util.py @ f5174d2c
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1 | 023e1217 | Nikos Skalkotos | #!/usr/bin/env python
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2 | 023e1217 | Nikos Skalkotos | |
3 | 023e1217 | Nikos Skalkotos | # Copyright 2012 GRNET S.A. All rights reserved.
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4 | 023e1217 | Nikos Skalkotos | #
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5 | 023e1217 | Nikos Skalkotos | # Redistribution and use in source and binary forms, with or
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6 | 023e1217 | Nikos Skalkotos | # without modification, are permitted provided that the following
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7 | 023e1217 | Nikos Skalkotos | # conditions are met:
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8 | 023e1217 | Nikos Skalkotos | #
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9 | 023e1217 | Nikos Skalkotos | # 1. Redistributions of source code must retain the above
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10 | 023e1217 | Nikos Skalkotos | # copyright notice, this list of conditions and the following
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11 | 023e1217 | Nikos Skalkotos | # disclaimer.
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12 | 023e1217 | Nikos Skalkotos | #
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13 | 023e1217 | Nikos Skalkotos | # 2. Redistributions in binary form must reproduce the above
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14 | 023e1217 | Nikos Skalkotos | # copyright notice, this list of conditions and the following
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15 | 023e1217 | Nikos Skalkotos | # disclaimer in the documentation and/or other materials
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16 | 023e1217 | Nikos Skalkotos | # provided with the distribution.
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17 | 023e1217 | Nikos Skalkotos | #
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18 | 023e1217 | Nikos Skalkotos | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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19 | 023e1217 | Nikos Skalkotos | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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20 | 023e1217 | Nikos Skalkotos | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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21 | 023e1217 | Nikos Skalkotos | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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22 | 023e1217 | Nikos Skalkotos | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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23 | 023e1217 | Nikos Skalkotos | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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24 | 023e1217 | Nikos Skalkotos | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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25 | 023e1217 | Nikos Skalkotos | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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26 | 023e1217 | Nikos Skalkotos | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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27 | 023e1217 | Nikos Skalkotos | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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28 | 023e1217 | Nikos Skalkotos | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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29 | 023e1217 | Nikos Skalkotos | # POSSIBILITY OF SUCH DAMAGE.
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30 | 023e1217 | Nikos Skalkotos | #
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31 | 023e1217 | Nikos Skalkotos | # The views and conclusions contained in the software and
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32 | 023e1217 | Nikos Skalkotos | # documentation are those of the authors and should not be
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33 | 023e1217 | Nikos Skalkotos | # interpreted as representing official policies, either expressed
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34 | 023e1217 | Nikos Skalkotos | # or implied, of GRNET S.A.
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35 | 023e1217 | Nikos Skalkotos | |
36 | 023e1217 | Nikos Skalkotos | import os |
37 | 0a116b9d | Nikos Skalkotos | from image_creator.output.dialog import GaugeOutput |
38 | 0a116b9d | Nikos Skalkotos | from image_creator.util import MD5 |
39 | 023e1217 | Nikos Skalkotos | |
40 | 023e1217 | Nikos Skalkotos | SMALL_WIDTH = 60
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41 | 023e1217 | Nikos Skalkotos | WIDTH = 70
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42 | 023e1217 | Nikos Skalkotos | |
43 | 023e1217 | Nikos Skalkotos | |
44 | 023e1217 | Nikos Skalkotos | def update_background_title(session): |
45 | 023e1217 | Nikos Skalkotos | d = session['dialog']
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46 | b044e29e | Nikos Skalkotos | disk = session['disk']
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47 | f5174d2c | Nikos Skalkotos | image = session['image']
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48 | 023e1217 | Nikos Skalkotos | |
49 | 023e1217 | Nikos Skalkotos | MB = 2 ** 20 |
50 | 023e1217 | Nikos Skalkotos | |
51 | f5174d2c | Nikos Skalkotos | size = (image.size + MB - 1) // MB
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52 | 023e1217 | Nikos Skalkotos | shrinked = 'shrinked' in session and session['shrinked'] |
53 | 023e1217 | Nikos Skalkotos | postfix = " (shrinked)" if shrinked else '' |
54 | 023e1217 | Nikos Skalkotos | |
55 | b044e29e | Nikos Skalkotos | title = "OS: %s, Distro: %s, Size: %dMB%s, Source: %s" % \
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56 | f5174d2c | Nikos Skalkotos | (image.ostype, image.distro, size, postfix, |
57 | b044e29e | Nikos Skalkotos | os.path.abspath(disk.source)) |
58 | 023e1217 | Nikos Skalkotos | |
59 | 023e1217 | Nikos Skalkotos | d.setBackgroundTitle(title) |
60 | 023e1217 | Nikos Skalkotos | |
61 | 023e1217 | Nikos Skalkotos | |
62 | 023e1217 | Nikos Skalkotos | def confirm_exit(d, msg=''): |
63 | 023e1217 | Nikos Skalkotos | return not d.yesno("%s Do you want to exit?" % msg, width=SMALL_WIDTH) |
64 | 023e1217 | Nikos Skalkotos | |
65 | 023e1217 | Nikos Skalkotos | |
66 | 023e1217 | Nikos Skalkotos | def confirm_reset(d): |
67 | 023e1217 | Nikos Skalkotos | return not d.yesno("Are you sure you want to reset everything?", |
68 | 023e1217 | Nikos Skalkotos | width=SMALL_WIDTH, defaultno=1)
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69 | 023e1217 | Nikos Skalkotos | |
70 | 023e1217 | Nikos Skalkotos | |
71 | 023e1217 | Nikos Skalkotos | class Reset(Exception): |
72 | 023e1217 | Nikos Skalkotos | pass
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73 | 023e1217 | Nikos Skalkotos | |
74 | 023e1217 | Nikos Skalkotos | |
75 | 0a116b9d | Nikos Skalkotos | def extract_metadata_string(session): |
76 | 0a116b9d | Nikos Skalkotos | metadata = ['%s=%s' % (k, v) for (k, v) in session['metadata'].items()] |
77 | 0a116b9d | Nikos Skalkotos | |
78 | 0a116b9d | Nikos Skalkotos | if 'task_metadata' in session: |
79 | 0a116b9d | Nikos Skalkotos | metadata.extend("%s=yes" % m for m in session['task_metadata']) |
80 | 0a116b9d | Nikos Skalkotos | |
81 | 0a116b9d | Nikos Skalkotos | return '\n'.join(metadata) + '\n' |
82 | 0a116b9d | Nikos Skalkotos | |
83 | 0a116b9d | Nikos Skalkotos | |
84 | 023e1217 | Nikos Skalkotos | def extract_image(session): |
85 | 023e1217 | Nikos Skalkotos | d = session['dialog']
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86 | 023e1217 | Nikos Skalkotos | dir = os.getcwd() |
87 | 023e1217 | Nikos Skalkotos | while 1: |
88 | 023e1217 | Nikos Skalkotos | if dir and dir[-1] != os.sep: |
89 | 023e1217 | Nikos Skalkotos | dir = dir + os.sep
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90 | 023e1217 | Nikos Skalkotos | |
91 | 023e1217 | Nikos Skalkotos | (code, path) = d.fselect(dir, 10, 50, title="Save image as...") |
92 | 023e1217 | Nikos Skalkotos | if code in (d.DIALOG_CANCEL, d.DIALOG_ESC): |
93 | 023e1217 | Nikos Skalkotos | return False |
94 | 023e1217 | Nikos Skalkotos | |
95 | 023e1217 | Nikos Skalkotos | if os.path.isdir(path):
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96 | 023e1217 | Nikos Skalkotos | dir = path |
97 | 023e1217 | Nikos Skalkotos | continue
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98 | 023e1217 | Nikos Skalkotos | |
99 | 023e1217 | Nikos Skalkotos | if os.path.isdir("%s.meta" % path): |
100 | 023e1217 | Nikos Skalkotos | d.msgbox("Can't overwrite directory `%s.meta'" % path,
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101 | 023e1217 | Nikos Skalkotos | width=SMALL_WIDTH) |
102 | 023e1217 | Nikos Skalkotos | continue
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103 | 023e1217 | Nikos Skalkotos | |
104 | 023e1217 | Nikos Skalkotos | if os.path.isdir("%s.md5sum" % path): |
105 | 023e1217 | Nikos Skalkotos | d.msgbox("Can't overwrite directory `%s.md5sum'" % path,
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106 | 023e1217 | Nikos Skalkotos | width=SMALL_WIDTH) |
107 | 023e1217 | Nikos Skalkotos | continue
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108 | 023e1217 | Nikos Skalkotos | |
109 | 023e1217 | Nikos Skalkotos | basedir = os.path.dirname(path) |
110 | 023e1217 | Nikos Skalkotos | name = os.path.basename(path) |
111 | 023e1217 | Nikos Skalkotos | if not os.path.exists(basedir): |
112 | 023e1217 | Nikos Skalkotos | d.msgbox("Directory `%s' does not exist" % basedir,
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113 | 023e1217 | Nikos Skalkotos | width=SMALL_WIDTH) |
114 | 023e1217 | Nikos Skalkotos | continue
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115 | 023e1217 | Nikos Skalkotos | |
116 | 023e1217 | Nikos Skalkotos | dir = basedir |
117 | 023e1217 | Nikos Skalkotos | if len(name) == 0: |
118 | 023e1217 | Nikos Skalkotos | continue
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119 | 023e1217 | Nikos Skalkotos | |
120 | 023e1217 | Nikos Skalkotos | files = ["%s%s" % (path, ext) for ext in ('', '.meta', '.md5sum')] |
121 | 023e1217 | Nikos Skalkotos | overwrite = filter(os.path.exists, files)
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122 | 023e1217 | Nikos Skalkotos | |
123 | 023e1217 | Nikos Skalkotos | if len(overwrite) > 0: |
124 | 023e1217 | Nikos Skalkotos | if d.yesno("The following file(s) exist:\n" |
125 | 023e1217 | Nikos Skalkotos | "%s\nDo you want to overwrite them?" %
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126 | 023e1217 | Nikos Skalkotos | "\n".join(overwrite), width=SMALL_WIDTH):
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127 | 023e1217 | Nikos Skalkotos | continue
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128 | 023e1217 | Nikos Skalkotos | |
129 | 023e1217 | Nikos Skalkotos | gauge = GaugeOutput(d, "Image Extraction", "Extracting image...") |
130 | 023e1217 | Nikos Skalkotos | try:
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131 | f5174d2c | Nikos Skalkotos | image = session['image']
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132 | f5174d2c | Nikos Skalkotos | out = image.out |
133 | 023e1217 | Nikos Skalkotos | out.add(gauge) |
134 | 023e1217 | Nikos Skalkotos | try:
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135 | 023e1217 | Nikos Skalkotos | if "checksum" not in session: |
136 | 023e1217 | Nikos Skalkotos | md5 = MD5(out) |
137 | f5174d2c | Nikos Skalkotos | session['checksum'] = md5.compute(image.device, image.size)
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138 | 023e1217 | Nikos Skalkotos | |
139 | 023e1217 | Nikos Skalkotos | # Extract image file
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140 | f5174d2c | Nikos Skalkotos | image.dump(path) |
141 | 023e1217 | Nikos Skalkotos | |
142 | 023e1217 | Nikos Skalkotos | # Extract metadata file
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143 | 023e1217 | Nikos Skalkotos | out.output("Extracting metadata file...")
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144 | 023e1217 | Nikos Skalkotos | with open('%s.meta' % path, 'w') as f: |
145 | 023e1217 | Nikos Skalkotos | f.write(extract_metadata_string(session)) |
146 | 023e1217 | Nikos Skalkotos | out.success('done')
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147 | 023e1217 | Nikos Skalkotos | |
148 | 023e1217 | Nikos Skalkotos | # Extract md5sum file
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149 | 023e1217 | Nikos Skalkotos | out.output("Extracting md5sum file...")
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150 | 023e1217 | Nikos Skalkotos | md5str = "%s %s\n" % (session['checksum'], name) |
151 | 023e1217 | Nikos Skalkotos | with open('%s.md5sum' % path, 'w') as f: |
152 | 023e1217 | Nikos Skalkotos | f.write(md5str) |
153 | 023e1217 | Nikos Skalkotos | out.success("done")
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154 | 023e1217 | Nikos Skalkotos | finally:
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155 | 023e1217 | Nikos Skalkotos | out.remove(gauge) |
156 | 023e1217 | Nikos Skalkotos | finally:
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157 | 023e1217 | Nikos Skalkotos | gauge.cleanup() |
158 | 023e1217 | Nikos Skalkotos | d.msgbox("Image file `%s' was successfully extracted!" % path,
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159 | 023e1217 | Nikos Skalkotos | width=SMALL_WIDTH) |
160 | 023e1217 | Nikos Skalkotos | break
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161 | 023e1217 | Nikos Skalkotos | |
162 | 023e1217 | Nikos Skalkotos | return True |
163 | 023e1217 | Nikos Skalkotos | |
164 | 023e1217 | Nikos Skalkotos | # vim: set sta sts=4 shiftwidth=4 sw=4 et ai : |