1 # file convertDefault.py
2 # This file is part of LyX, the document processor.
3 # Licence details can be found in the file COPYING.
8 # Full author contact details are available in file CREDITS.
10 # The default converter if no other has been defined by the user from the
11 # Conversion->Converter tab of the Preferences dialog.
13 # The user can also redefine this default converter, placing their
14 # replacement in ~/.lyx/scripts
16 # converts an image $2 (format $1) to $4 (format $3)
19 # We may need some extra options only supported by recent convert versions
20 re_version = re.compile(r'^Version:.*ImageMagick\s*(\d*)\.(\d*)\.(\d*).*$')
23 fout = os.popen('magick -version 2>&1')
24 output = fout.readline()
25 if fout.close() is not None:
27 # caution: windows has a convert.exe for converting file systems
29 fout = os.popen('convert -version 2>&1')
30 output = fout.readline()
33 version = re_version.match(output)
35 # Imagemagick by default
39 if version is not None:
40 major = int(version.group(1))
41 minor = int(version.group(2))
42 patch = int(version.group(3))
43 version = (major, minor, patch)
47 re_version = re.compile(r'^GraphicsMagick.*http:..www.GraphicsMagick.org.*$')
48 version = re_version.match(output)
49 if version is not None:
51 # we need version to be a valid integer 3-tuple
56 # IM >= 5.5.8 separates options for source and target files
57 # See http://www.imagemagick.org/Usage/basics/#why
61 elif sys.platform == 'darwin':
62 command = 'lyxconvert'
64 # If supported, add the -define option for pdf source formats
65 if sys.argv[1] == 'pdf' and (version >= (6,2,6) or gm):
66 sopts = '-define pdf:use-cropbox=true ' + sopts
68 # If supported, add the -flatten option for ppm target formats (see bug 4749)
69 if sys.argv[3] == 'ppm' and (im and version >= (6,3,5) or gm):
72 # print (command, sys.argv[2], sys.argv[4], file= sys.stdout)
73 if (im or gm) and os.system(r'{} {} "{}" {} "{}"'.format(command, sopts, sys.argv[2], topts, sys.argv[3] + ':' + sys.argv[4])) != 0:
74 print(sys.argv[0], 'ERROR', file= sys.stderr)
75 print('Execution of "%s" failed.' % command, file= sys.stderr)
77 elif not im and not gm and sys.platform == 'darwin' and os.system(fr'{command} "{sys.argv[2]}" "{sys.argv[4]}"') != 0:
78 print(sys.argv[0], 'ERROR', file= sys.stderr)
79 print('Execution of "%s" failed.' % command, file=sys.stderr)