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61 lines
2.0 KiB
Python
Executable File
61 lines
2.0 KiB
Python
Executable File
#!/usr/bin/python
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# Copyright (C) 2010 Jose Aliste <jose.aliste@gmail.com>
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# 2011 Benjamin Kellermann <Benjamin.Kellermann@tu-dresden.de>
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#
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# Translated from Bash to Python by Juergen Spitzmueller <spitz@lyx.org> 2017.
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public Licence as published by the Free Software
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# Foundation; either version 2 of the Licence, or (at your option) any later
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# version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public Licence for more
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# details.
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#
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# You should have received a copy of the GNU General Public Licence along with
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# this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
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# Street, Fifth Floor, Boston, MA 02110-1301, USA
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import sys, os.path
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from subprocess import Popen
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# The lyxclient command for backward search
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editor_cmd = "lyxclient -g %f %l"
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# Check we have (only) one argument
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if len(sys.argv) != 2:
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print("Usage: evince_sync_lyx pdf_file")
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sys.exit(1)
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# Arg 1 is supposed to be the PDF file
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pdf_file = os.path.abspath(sys.argv[1])
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# Check whether the file exists & is readable
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if not os.path.isfile(pdf_file):
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print("%s is not valid/readable PDF file." % pdf_file)
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sys.exit(1)
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# The accompanying synctex file has the same name than the PDF
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# but with .synctex.gz extension
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synctex_file, ext = os.path.splitext(pdf_file)
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synctex_file += ".synctex.gz"
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# If we have a synctex file, start the evince_backward_search script
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SyncTeX = False
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if os.path.isfile(synctex_file):
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bsproc = Popen(["evince_backward_search", pdf_file, editor_cmd])
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SyncTeX = True
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# Notwithstanding the previous, start evince and open the PDF
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vproc = Popen(['evince', pdf_file])
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vproc.wait()
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# If evince has been closed (hence vproc.wait()), we terminate
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# the evince_backward_search script (if we have started it)
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if SyncTeX:
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bsproc.terminate()
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