1 # -*- coding: utf-8 -*-
3 # file convertDefault.py
4 # This file is part of LyX, the document processor.
5 # Licence details can be found in the file COPYING.
10 # Full author contact details are available in file CREDITS.
12 # The default converter if no other has been defined by the user from the
13 # Conversion->Converter tab of the Preferences dialog.
15 # The user can also redefine this default converter, placing their
16 # replacement in ~/.lyx/scripts
18 # converts an image $2 (format $1) to $4 (format $3)
19 from __future__ import print_function
22 PY2 = sys.version_info[0] == 2
24 # We may need some extra options only supported by recent convert versions
25 re_version = re.compile(r'^Version:.*ImageMagick\s*(\d*)\.(\d*)\.(\d*).*$')
28 fout = os.popen('magick -version 2>&1')
29 output = fout.readline()
30 if fout.close() != None:
32 # caution: windows has a convert.exe for converting file systems
34 fout = os.popen('convert -version 2>&1')
35 output = fout.readline()
38 # Ensure we have a (unicode) string object in Python3
39 # (not required for version >= 3.5).
40 # FIXME: Check whether this is required with any supported 3.x version!
43 version = re_version.match(output)
45 # Imagemagick by default
50 major = int(version.group(1))
51 minor = int(version.group(2))
52 patch = int(version.group(3))
53 version = hex(major * 65536 + minor * 256 + patch)
57 re_version = re.compile(r'^GraphicsMagick.*http:..www.GraphicsMagick.org.*$')
58 version = re_version.match(output)
62 # IM >= 5.5.8 separates options for source and target files
63 # See http://www.imagemagick.org/Usage/basics/#why
67 elif sys.platform == 'darwin':
68 command = 'lyxconvert'
70 # If supported, add the -define option for pdf source formats
71 if sys.argv[1] == 'pdf' and (version >= 0x060206 or gm):
72 sopts = '-define pdf:use-cropbox=true ' + sopts
74 # If supported, add the -flatten option for ppm target formats (see bug 4749)
75 if sys.argv[3] == 'ppm' and (im and version >= 0x060305 or gm):
78 # print (command, sys.argv[2], sys.argv[4], file= sys.stdout)
79 if (im or gm) and os.system(r'%s %s "%s" %s "%s"' % (command, sopts, sys.argv[2], topts, sys.argv[3] + ':' + sys.argv[4])) != 0:
80 print (sys.argv[0], 'ERROR', file= sys.stderr)
81 print ('Execution of "%s" failed.' % command, file= sys.stderr)
83 elif not im and not gm and sys.platform == 'darwin' and os.system(r'%s "%s" "%s"' % (command, sys.argv[2], sys.argv[4])) != 0:
84 print (sys.argv[0], 'ERROR', file= sys.stderr)
85 print ('Execution of "%s" failed.' % command, file= sys.stderr)