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lyx_mirror/lib/scripts/convert_pdf.py

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# -*- coding: utf-8 -*-
# file convert_pdf.py
# This file is part of LyX, the document processor.
# Licence details can be found in the file COPYING.
# author Georg Baum
# Full author contact details are available in file CREDITS
# This script takes a PS or PDF file and creates a low resolution version.
# Example usage:
# convert_pdf.py big.pdf small.pdf ebook
# This script takes three arguments:
# INFILE: the name of the .ps or .pdf file to be converted.
# OUTFILE: the name of the .pdf file to be created.
# PDFSETTINGS: any PDFSETTINGS supported by ghostscript:
import sys
from lyxpreview_tools import error, find_exe_or_terminate, run_command
def usage(prog_name):
return "Usage: %s <ps or pdf input file> <pdf output file> <screen|ebook|printer|prepress>" \
% prog_name
def main(argv):
if len(argv) == 4:
source = argv[1]
output = argv[2]
pdfsettings = argv[3]
else:
error(usage(argv[0]))
gs = find_exe_or_terminate(["gswin32c", "gswin64c", "gs"])
gs_call = '%s -dNOPAUSE -dBATCH -dSAFER -sDEVICE=pdfwrite ' \
'-dCompatibilityLevel=1.4 -dPDFSETTINGS=/%s ' \
'-sOutputFile="%s" "%s"' % (gs, pdfsettings, output, source)
gs_status, gs_stdout = run_command(gs_call)
if gs_stdout:
sys.stdout.write(gs_stdout)
return gs_status
if __name__ == "__main__":
sys.exit(main(sys.argv))