/usr/share/lyx/scripts/convertDefault.py is in lyx-common 2.2.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | # -*- coding: utf-8 -*-
# file convertDefault.py
# This file is part of LyX, the document processor.
# Licence details can be found in the file COPYING.
# \author Herbert Voß
# \author Bo Peng
# Full author contact details are available in file CREDITS.
# The default converter if no other has been defined by the user from the
# Conversion->Converter tab of the Preferences dialog.
# The user can also redefine this default converter, placing their
# replacement in ~/.lyx/scripts
# converts an image $2 (format $1) to $4 (format $3)
import os, re, sys
# We may need some extra options only supported by recent convert versions
re_version = re.compile(r'^Version:.*ImageMagick\s*(\d*)\.(\d*)\.(\d*).*$')
# imagemagick 7
command = 'magick'
fout = os.popen('magick -version 2>&1')
output = fout.readline()
if fout.close() != None:
# older versions
# caution: windows has a convert.exe for converting file systems
command = 'convert'
fout = os.popen('convert -version 2>&1')
output = fout.readline()
fout.close()
version = re_version.match(output)
# Imagemagick by default
gm = False
if version != None:
major = int(version.group(1))
minor = int(version.group(2))
patch = int(version.group(3))
version = hex(major * 65536 + minor * 256 + patch)
else:
# Try GraphicsMagick
re_version = re.compile(r'^GraphicsMagick.*http:..www.GraphicsMagick.org.*$')
version = re_version.match(output)
if version != None:
gm = True
opts = "-depth 8"
# If supported, add the -define option for pdf source formats
if sys.argv[1] == 'pdf' and (version >= 0x060206 or gm):
opts = '-define pdf:use-cropbox=true ' + opts
# If supported, add the -flatten option for ppm target formats (see bug 4749)
if sys.argv[3] == 'ppm' and (version >= 0x060305 or gm):
opts = opts + ' -flatten'
if os.system(r'%s %s "%s" "%s"' % (command, opts, sys.argv[2], sys.argv[3] + ':' + sys.argv[4])) != 0:
print >> sys.stderr, sys.argv[0], 'ERROR'
print >> sys.stderr, ('Execution of "%s" failed.' % command)
sys.exit(1)
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