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#!/usr/bin/env python
"""Convert files from LaTeX format to ReStructured Text.
This converter is meant only for saving keystrokes. It won't catch
everything and it may misformat stuff, so proofread the file after
processing.
"Verbatim" blocks are not converted due to the difficulty in placing the
preceding colon(s) and indenting every line.
"""
import os, re, shutil, sys
def convert(filename):
print "Processing file", filename
backup = filename + ".bak"
shutil.copy2(filename, backup)
f = open(filename, 'r+')
text = f.read()
text = re.sub( R"%%%+", R"", text)
text = re.sub( R"\\section\{(.*?)\}", R"\1\n" + ("=" * 40), text)
text = re.sub( R"\\subsection\{(.*?)\}", R"\1\n" + ("-" * 40), text)
text = re.sub( R"\\label\{(.*?)\}", R"\n..\n :label: \1", text)
text = re.sub( R"``|''", R'"', text)
text = re.sub( R"(?s)\{\\em (.*?)\}", R"*\1*", text)
text = re.sub( R"(?s)\{\\bf (.*?)\}", R"**\1**", text)
text = re.sub( R"(?s)\\code\{(.*?)\}", R"``\1``", text)
text = re.sub( R"\\(begin|end)\{(itemize|enumerate)\}\n", R"", text)
text = re.sub( R"\\item ", R"* ", text)
#text = re.sub(
# R"(?sm)(\w):\n\s*^\\begin\{verbatim\}\s*(.*?)\\end\{verbatim\}",
# R"\1::\n\n\2", text)
f.seek(0)
f.write(text)
f.truncate()
f.close()
def main():
if len(sys.argv) < 2:
prog = os.path.basename(sys.argv[0])
raise SystemExit("usage: %s FILENAMES ..." % prog)
for filename in sys.argv[1:]:
convert(filename)
if __name__ == "__main__": main()
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