3 # Copyright 2012 GRNET S.A. All rights reserved.
5 # Redistribution and use in source and binary forms, with or
6 # without modification, are permitted provided that the following
9 # 1. Redistributions of source code must retain the above
10 # copyright notice, this list of conditions and the following
13 # 2. Redistributions in binary form must reproduce the above
14 # copyright notice, this list of conditions and the following
15 # disclaimer in the documentation and/or other materials
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42 def update_background_title(session):
44 dev = session['device']
48 size = (dev.size + MB - 1) // MB
49 shrinked = 'shrinked' in session and session['shrinked']
50 postfix = " (shrinked)" if shrinked else ''
52 title = "OS: %s, Distro: %s, Size: %dMB%s" % \
53 (dev.ostype, dev.distro, size, postfix)
55 d.setBackgroundTitle(title)
58 def confirm_exit(d, msg=''):
59 return not d.yesno("%s Do you want to exit?" % msg, width=SMALL_WIDTH)
63 return not d.yesno("Are you sure you want to reset everything?",
64 width=SMALL_WIDTH, defaultno=1)
67 class Reset(Exception):
71 def extract_image(session):
75 if dir and dir[-1] != os.sep:
78 (code, path) = d.fselect(dir, 10, 50, title="Save image as...")
79 if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
82 if os.path.isdir(path):
86 if os.path.isdir("%s.meta" % path):
87 d.msgbox("Can't overwrite directory `%s.meta'" % path,
91 if os.path.isdir("%s.md5sum" % path):
92 d.msgbox("Can't overwrite directory `%s.md5sum'" % path,
96 basedir = os.path.dirname(path)
97 name = os.path.basename(path)
98 if not os.path.exists(basedir):
99 d.msgbox("Directory `%s' does not exist" % basedir,
107 files = ["%s%s" % (path, ext) for ext in ('', '.meta', '.md5sum')]
108 overwrite = filter(os.path.exists, files)
110 if len(overwrite) > 0:
111 if d.yesno("The following file(s) exist:\n"
112 "%s\nDo you want to overwrite them?" %
113 "\n".join(overwrite), width=SMALL_WIDTH):
116 gauge = GaugeOutput(d, "Image Extraction", "Extracting image...")
118 dev = session['device']
122 if "checksum" not in session:
125 session['checksum'] = md5.compute(session['snapshot'],
131 # Extract metadata file
132 out.output("Extracting metadata file...")
133 with open('%s.meta' % path, 'w') as f:
134 f.write(extract_metadata_string(session))
137 # Extract md5sum file
138 out.output("Extracting md5sum file...")
139 md5str = "%s %s\n" % (session['checksum'], name)
140 with open('%s.md5sum' % path, 'w') as f:
147 d.msgbox("Image file `%s' was successfully extracted!" % path,
153 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :