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Remove convert_kmap.py
This was used to convert LaTeX symbols in kmap files in 2007, we do not need it anymore.
This commit is contained in:
Georg Baum
parent
960bcc71c1
commit
7ead59da40
@ -12,7 +12,6 @@ EXTRA_DIST = coding/Rules coding/Recommendations \
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FORMAT lyx.rpm.README \
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lyxserver lyx.spec.in lyx.spec \
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LyX-Mac-binary-release.sh \
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tools/convert_kmap.py \
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tools/gen_lfuns.py \
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tools/generate_symbols_images.lyx \
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tools/generate_symbols_images.py \
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@ -1,213 +0,0 @@
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#! /usr/bin/env python
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# -*- coding: utf-8 -*-
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# file convert_kmap.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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# This script converts a kmap file from LaTeX commands to unicode characters
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# The kmap file is read and written in utf8 encoding
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import os, re, string, sys, unicodedata
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def usage(prog_name):
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return ("Usage: %s unicodesymbolsfile inputfile outputfile\n" % prog_name +
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"or %s unicodesymbolsfile <inputfile >outputfile" % prog_name)
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def error(message):
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sys.stderr.write(message + '\n')
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sys.exit(1)
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def trim_eol(line):
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" Remove end of line char(s)."
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if line[-2:-1] == '\r':
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return line[:-2]
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elif line[-1:] == '\r' or line[-1:] == '\n':
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return line[:-1]
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else:
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# file with no EOL in last line
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return line
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def read(input):
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" Read input file and strip lineendings."
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lines = list()
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while 1:
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line = input.readline()
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if not line:
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break
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lines.append(trim_eol(line).decode('utf8'))
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return lines
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def escape(word):
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" Escape a word for LyXLex."
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re_quote = re.compile(r'\s|,')
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retval = u''
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i = 0
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for c in word:
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if c == '\\' or c == '"' or c == '#':
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retval = retval + u'\\'
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retval = retval + c
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if re_quote.match(retval):
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return u'"%s"' % retval
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return retval
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def unescape(word):
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" Unescape a LyXLex escaped word."
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if len(word) > 1 and word[0] == '"' and word[-1] == '"':
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start = 1
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stop = len(word) - 1
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else:
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start = 0
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stop = len(word)
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retval = u''
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i = start
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while i < stop:
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if word[i] == '\\' and i < stop - 1:
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i = i + 1
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retval = retval + word[i]
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i = i + 1
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return retval
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def readsymbols(input):
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" Build the symbol list from the unicodesymbols file and add some hardcoded symbols."
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symbols = list()
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while 1:
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line = input.readline()
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if not line:
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break
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line = trim_eol(line)
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tokens = line.split()
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if len(tokens) > 0 and tokens[0][0] != '#':
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if len(tokens) > 1:
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tokens[1] = unescape(tokens[1])
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if tokens[0][0:2] == "0x":
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tokens[0] = int(tokens[0][2:], 16)
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symbols.append(tokens)
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# special cases from .cdef files (e.g. duplicates with different commands)
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symbols.append([0x00a1, '\\nobreakspace'])
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symbols.append([0x00a7, '\\S'])
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symbols.append([0x00a9, '\\copyright'])
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symbols.append([0x00b1, '$\\pm$'])
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symbols.append([0x00b5, '$\\mu$'])
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symbols.append([0x00b7, '$\\cdot$'])
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symbols.append([0x00b9, '$\\mathonesuperior$'])
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symbols.append([0x00d7, '$\\times$'])
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symbols.append([0x00d7, '\\times'])
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symbols.append([0x00f7, '\\div'])
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symbols.append([0x20ac, '\\euro'])
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# special caron, see lib/lyx2lyx/lyx_1_5.py for an explanation
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symbols.append([0x030c, '\\q', '', 'combining'])
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return symbols
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def write(output, lines):
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" Write output file with native lineendings."
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for line in lines:
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output.write(line.encode('utf8') + os.linesep)
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def translate_symbol(unicodesymbols, symbol, try_combining = True):
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" Translate a symbol from LaTeX to unicode."
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re_combining = re.compile(r'^[^a-zA-Z]')
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if len(symbol) == 1:
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return symbol
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for i in unicodesymbols:
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# Play safe and don't try combining symbols (not sure if this is
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# needed)
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if i[1] == symbol and (len(i) < 4 or i[3].find('combining') < 0):
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return unichr(i[0])
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if try_combining:
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# no direct match, see whether this is a combining sequence
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for i in unicodesymbols:
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if len(i) > 3 and i[3].find('combining') >= 0 and symbol.find(i[1]) == 0:
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# Test whether this is really a combining sequence, e.g.
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# \"o or \d{o}, and not a symbol like \dh that shares the
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# beginning with a combining symbol
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translated = symbol[len(i[1]):]
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if translated != '' and re_combining.match(translated):
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# Really a combining sequence
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if len(translated) > 1 and translated[0] == '{' and translated[-1] == '}':
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# Strip braces from things like \d{o}
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translated = translated[1:-1]
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else:
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# for some strange reason \\'\\i does not get
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# correctly combined, so we try \\'\\i which has an
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# entry in unicodesymbols
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combined = translate_symbol(unicodesymbols, u'%s{%s}' % (i[1], translated))
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if combined != '':
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return combined
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if len(translated) > 1:
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# The base character may be a symbol itself, e.g \"{\i}
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translated = translate_symbol(unicodesymbols, translated, False)
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# Play safe and only translate combining sequences with
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# one base character
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if len(translated) == 1 and (i[1] != '\\q' or translated in ['t', 'd', 'l', 'L']):
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return unicodedata.normalize("NFKC", translated + unichr(i[0]))
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else:
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# we founed a combining character, but could not convert the argument to a single character
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return ''
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return ''
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def convert(lines, unicodesymbols):
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" Translate all symbols in lines from LaTeX to unicode."
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# convert both commented and active entries
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re_kmap = re.compile(r'^(#?\s*\\kmap\s+\S+\s+)([^\s]+)(.*)$')
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re_kxmod = re.compile(r'^(#?\s*\\kxmod\s+\S+\s+\S+\s+)([^\s]+)(.*)$')
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for i in range(len(lines)):
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match = re_kmap.match(lines[i])
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if not match:
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match = re_kxmod.match(lines[i])
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if match:
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symbol = unescape(match.group(2))
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if len(symbol) > 2 and symbol[-2:] == '{}':
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# The unicodesymbols file does not include the trailing delimiter {}
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symbol = symbol[0:-2]
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translated = translate_symbol(unicodesymbols, symbol)
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if translated == '':
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lines[i] = u'%s%s%s' % (match.group(1), match.group(2), match.group(3))
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else:
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lines[i] = u'%s%s%s' % (match.group(1), escape(translated), match.group(3))
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continue
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def main(argv):
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# Open files
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if len(argv) == 2:
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input = sys.stdin
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output = sys.stdout
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elif len(argv) == 4:
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input = open(argv[2], 'rb')
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output = open(argv[3], 'wb')
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else:
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error(usage(argv[0]))
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unicodesymbols = open(argv[1], 'rb')
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# Do the real work
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symbols = readsymbols(unicodesymbols)
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lines = read(input)
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convert(lines, symbols)
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write(output, lines)
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# Close files
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if len(argv) == 3:
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input.close()
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output.close()
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return 0
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if __name__ == "__main__":
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main(sys.argv)
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