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82 lines
2.7 KiB
Python
82 lines
2.7 KiB
Python
# -*- coding: utf-8 -*-
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# file convertDefault.py
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# This file is part of LyX, the document processor.
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# Licence details can be found in the file COPYING.
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# \author Herbert Voß
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# \author Bo Peng
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# Full author contact details are available in file CREDITS.
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# The default converter if no other has been defined by the user from the
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# Conversion->Converter tab of the Preferences dialog.
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# The user can also redefine this default converter, placing their
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# replacement in ~/.lyx/scripts
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# converts an image $2 (format $1) to $4 (format $3)
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from __future__ import print_function
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import os, re, sys
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# We may need some extra options only supported by recent convert versions
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re_version = re.compile(r'^Version:.*ImageMagick\s*(\d*)\.(\d*)\.(\d*).*$')
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# imagemagick 7
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command = 'magick'
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fout = os.popen('magick -version 2>&1')
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output = fout.readline()
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if fout.close() != None:
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# older versions
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# caution: windows has a convert.exe for converting file systems
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command = 'convert'
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fout = os.popen('convert -version 2>&1')
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output = fout.readline()
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fout.close()
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version = re_version.match(output)
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# Imagemagick by default
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im = False
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gm = False
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if version != None:
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major = int(version.group(1))
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minor = int(version.group(2))
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patch = int(version.group(3))
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version = (major, minor, patch)
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im = True
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else:
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# Try GraphicsMagick
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re_version = re.compile(r'^GraphicsMagick.*http:..www.GraphicsMagick.org.*$')
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version = re_version.match(output)
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if version != None:
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gm = True
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# we need version to be a valid integer 3-tuple
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version = (1,0,0)
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# IM >= 5.5.8 separates options for source and target files
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# See http://www.imagemagick.org/Usage/basics/#why
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if im or gm:
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sopts = ""
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topts = ""
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elif sys.platform == 'darwin':
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command = 'lyxconvert'
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# If supported, add the -define option for pdf source formats
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if sys.argv[1] == 'pdf' and (version >= (6,2,6) or gm):
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sopts = '-define pdf:use-cropbox=true ' + sopts
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# If supported, add the -flatten option for ppm target formats (see bug 4749)
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if sys.argv[3] == 'ppm' and (im and version >= (6,3,5) or gm):
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topts = '-flatten'
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# print (command, sys.argv[2], sys.argv[4], file= sys.stdout)
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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:
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print (sys.argv[0], 'ERROR', file= sys.stderr)
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print ('Execution of "%s" failed.' % command, file= sys.stderr)
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sys.exit(1)
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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:
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print (sys.argv[0], 'ERROR', file= sys.stderr)
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print ('Execution of "%s" failed.' % command, file= sys.stderr)
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sys.exit(1)
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