mirror of
https://git.lyx.org/repos/lyx.git
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125 lines
4.4 KiB
Python
125 lines
4.4 KiB
Python
# file html2latexwrapper.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 Georg Baum
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# Full author contact details are available in file CREDITS
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# Usage:
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# html2latexwrapper.py <converter> <from file> <to file>
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# This script will call <converter> -s <from file> > <to file>
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# and add a \usepackage{inputenc} line if needed.
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import os, string, sys, re
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from lyxpreview_tools import error, run_command
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def usage(prog_name):
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return "Usage: %s <converter> <from file> <to file>" % prog_name
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def get_encoding(from_file_name):
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'''Read the encoding from a HTML or XHTML file'''
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try:
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from_file = open(from_file_name)
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regexpxml = re.compile(r'^\s?<\?xml\s+.*?encoding\s*=\s*"([^"]+)"', re.IGNORECASE)
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regexptype = re.compile(r'^\s?<meta\s+.*?charset\s*=\s*"([^"]+)"', re.IGNORECASE)
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for line in from_file.readlines():
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m = regexpxml.match(line)
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if not m:
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m = regexptype.match(line)
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if m:
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from_file.close()
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return m.group(1).lower()
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from_file.close()
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except:
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pass
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return ''
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def main(argv):
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# Parse and manipulate the command line arguments.
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if len(argv) != 4:
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error(usage(argv[0]))
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converter = argv[1]
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from_file_name = argv[2]
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to_file_name = argv[3]
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# Run gnuhtml2latex
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cmd = f'{converter} -s {from_file_name}'
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(ret, output) = run_command(cmd, False)
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# Determine encoding of HTML file
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enc = get_encoding(from_file_name).replace('iso_8859', 'iso-8859')
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# The HTML encodings were taken from http://www.iana.org/assignments/character-sets/character-sets.xml.
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# Only those with inputenc support were added, and only thge most important aliases.
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# List of encodings that have the same name in HTML (may be as an alias) and inputenc
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same_enc = ['cp437', 'cp850', 'cp852', 'cp855', 'cp858', 'cp862', 'cp865', 'cp866', \
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'cp1250', 'cp1251', 'cp1252', 'cp1255', 'cp1256', 'cp1257', \
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'koi8-r', 'koi8-u', 'pt154', 'pt254', \
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'latin1', 'latin2', 'latin3', 'latin4', 'latin5', 'latin9', 'latin10']
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# Translation table from HTML encoding names to inputenc encoding names
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encodings = {'utf-8' : 'utf8', 'csutf8' : 'utf8', \
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'iso-8859-1' : 'latin1', 'cp819' : 'latin1', \
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'iso-8859-2' : 'latin2', \
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'iso-8859-3' : 'latin3', \
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'iso-8859-4' : 'latin4', \
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'iso-8859-5' : 'iso88595', 'cyrillic' : 'iso88595', \
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'iso-8859-6' : '8859-6', 'arabic' : '8859-6', \
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'iso-8859-7' : 'iso-8859-7', 'greek' : 'iso-8859-7', \
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'iso-8859-8' : '8859-8', 'hebrew' : '8859-8', \
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'iso-8859-9' : 'latin5', \
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'iso-8859-13' : 'l7xenc', \
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'iso-8859-15' : 'latin9', \
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'iso-8859-16' : 'latin10', \
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'ibm437' : 'cp437', \
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'ibm850' : 'cp850', \
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'ibm852' : 'cp852', \
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'ibm855' : 'cp855', \
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'ibm858' : 'cp858', \
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'ibm862' : 'cp862', \
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'ibm865' : 'cp865', \
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'ibm866' : 'cp866', \
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'ibm1250' : 'cp1250', \
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'ibm1251' : 'cp1251', \
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'ibm1255' : 'cp1255', \
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'ibm1256' : 'cp1256', \
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'ibm1257' : 'cp1257', \
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'macintosh' : 'applemac', 'mac' : 'applemac', 'csmacintosh' : 'applemac'}
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if enc != '':
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if enc in encodings.keys():
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enc = encodings[enc]
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elif enc not in same_enc:
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enc = ''
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# Read conversion result
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lines = output.split('\n')
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# Do not add the inputenc call if inputenc or CJK is already loaded
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add_inputenc = (enc != '')
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if add_inputenc:
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regexp = re.compile(r'^\s?\\usepackage\s?(\[[^]+]\])?\s?{(inputenc)|(CJK)|(CJKutf8)}')
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for line in lines:
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if regexp.match(line):
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add_inputenc = False
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break
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# Write output file and insert inputenc call if needed
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to_file = open(to_file_name, 'w')
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for line in lines:
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to_file.write(line + '\n')
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if add_inputenc and line.find('\\documentclass') == 0:
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to_file.write('\\usepackage[%s]{inputenc}\n' % enc)
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to_file.close()
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return ret
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if __name__ == "__main__":
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main(sys.argv)
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