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
16 # provided with the distribution.
18 # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
19 # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
22 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
25 # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26 # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
28 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 # POSSIBILITY OF SUCH DAMAGE.
31 # The views and conclusions contained in the software and
32 # documentation are those of the authors and should not be
33 # interpreted as representing official policies, either expressed
34 # or implied, of GRNET S.A.
37 from image_creator.output.dialog import GaugeOutput
38 from image_creator.util import MD5
44 def update_background_title(session):
46 dev = session['device']
47 disk = session['disk']
51 size = (dev.size + MB - 1) // MB
52 shrinked = 'shrinked' in session and session['shrinked']
53 postfix = " (shrinked)" if shrinked else ''
55 title = "OS: %s, Distro: %s, Size: %dMB%s, Source: %s" % \
56 (dev.ostype, dev.distro, size, postfix,
57 os.path.abspath(disk.source))
59 d.setBackgroundTitle(title)
62 def confirm_exit(d, msg=''):
63 return not d.yesno("%s Do you want to exit?" % msg, width=SMALL_WIDTH)
67 return not d.yesno("Are you sure you want to reset everything?",
68 width=SMALL_WIDTH, defaultno=1)
71 class Reset(Exception):
75 def extract_metadata_string(session):
76 metadata = ['%s=%s' % (k, v) for (k, v) in session['metadata'].items()]
78 if 'task_metadata' in session:
79 metadata.extend("%s=yes" % m for m in session['task_metadata'])
81 return '\n'.join(metadata) + '\n'
84 def extract_image(session):
88 if dir and dir[-1] != os.sep:
91 (code, path) = d.fselect(dir, 10, 50, title="Save image as...")
92 if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
95 if os.path.isdir(path):
99 if os.path.isdir("%s.meta" % path):
100 d.msgbox("Can't overwrite directory `%s.meta'" % path,
104 if os.path.isdir("%s.md5sum" % path):
105 d.msgbox("Can't overwrite directory `%s.md5sum'" % path,
109 basedir = os.path.dirname(path)
110 name = os.path.basename(path)
111 if not os.path.exists(basedir):
112 d.msgbox("Directory `%s' does not exist" % basedir,
120 files = ["%s%s" % (path, ext) for ext in ('', '.meta', '.md5sum')]
121 overwrite = filter(os.path.exists, files)
123 if len(overwrite) > 0:
124 if d.yesno("The following file(s) exist:\n"
125 "%s\nDo you want to overwrite them?" %
126 "\n".join(overwrite), width=SMALL_WIDTH):
129 gauge = GaugeOutput(d, "Image Extraction", "Extracting image...")
131 dev = session['device']
135 if "checksum" not in session:
138 session['checksum'] = md5.compute(session['snapshot'],
144 # Extract metadata file
145 out.output("Extracting metadata file...")
146 with open('%s.meta' % path, 'w') as f:
147 f.write(extract_metadata_string(session))
150 # Extract md5sum file
151 out.output("Extracting md5sum file...")
152 md5str = "%s %s\n" % (session['checksum'], name)
153 with open('%s.md5sum' % path, 'w') as f:
160 d.msgbox("Image file `%s' was successfully extracted!" % path,
166 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :