Convert utf-8 encoded unicode characters to latex escape sequences. I use this for pre-processing bibtex exports from zotero. Usage: tex-conversions.py infile > outfile

tex-conversions.py

# Obtained from http://code.activestate.com/recipes/252124-latex-codec/
latex_equivalents = {
    0x0009: ' ',
    0x000a: '\n',
    0x0023: '{\#}',
    0x0026: '{\&}',
    0x00a0: '{~}',
    0x00a1: '{!`}',
    0x00a2: '{\\not{c}}',
    0x00a3: '{\\pounds}',
    0x00a7: '{\\S}',
    0x00a8: '{\\"{}}',
    0x00a9: '{\\copyright}',
    0x00af: '{\\={}}',
    0x00ac: '{\\neg}',
    0x00ad: '{\\-}',
    0x00b0: '{\\mbox{$^\\circ$}}',
    0x00b1: '{\\mbox{$\\pm$}}',
    0x00b2: '{\\mbox{$^2$}}',
    0x00b3: '{\\mbox{$^3$}}',
    0x00b4: "{\\'{}}",
    0x00b5: '{\\mbox{$\\mu$}}',
    0x00b6: '{\\P}',
    0x00b7: '{\\mbox{$\\cdot$}}',
    0x00b8: '{\\c{}}',
    0x00b9: '{\\mbox{$^1$}}',
    0x00bf: '{?`}',
    0x00c0: '{\\`A}',
    0x00c1: "{\\'A}",
    0x00c2: '{\\^A}',
    0x00c3: '{\\~A}',
    0x00c4: '{\\"A}',
    0x00c5: '{\\AA}',
    0x00c6: '{\\AE}',
    0x00c7: '{\\c{C}}',
    0x00c8: '{\\`E}',
    0x00c9: "{\\'E}",
    0x00ca: '{\\^E}',
    0x00cb: '{\\"E}',
    0x00cc: '{\\`I}',
    0x00cd: "{\\'I}",
    0x00ce: '{\\^I}',
    0x00cf: '{\\"I}',
    0x00d1: '{\\~N}',
    0x00d2: '{\\`O}',
    0x00d3: "{\\'O}",
    0x00d4: '{\\^O}',
    0x00d5: '{\\~O}',
    0x00d6: '{\\"O}',
    0x00d7: '{\\mbox{$\\times$}}',
    0x00d8: '{\\O}',
    0x00d9: '{\\`U}',
    0x00da: "{\\'U}",
    0x00db: '{\\^U}',
    0x00dc: '{\\"U}',
    0x00dd: "{\\'Y}",
    0x00df: '{\\ss}',
    0x00e0: '{\\`a}',
    0x00e1: "{\\'a}",
    0x00e2: '{\\^a}',
    0x00e3: '{\\~a}',
    0x00e4: '{\\"a}',
    0x00e5: '{\\aa}',
    0x00e6: '{\\ae}',
    0x00e7: '{\\c{c}}',
    0x00e8: '{\\`e}',
    0x00e9: "{\\'e}",
    0x00ea: '{\\^e}',
    0x00eb: '{\\"e}',
    0x00ec: '{\\`\\i}',
    0x00ed: "{\\'\\i}",
    0x00ee: '{\\^\\i}',
    0x00ef: '{\\"\\i}',
    0x00f1: '{\\~n}',
    0x00f2: '{\\`o}',
    0x00f3: "{\\'o}",
    0x00f4: '{\\^o}',
    0x00f5: '{\\~o}',
    0x00f6: '{\\"o}',
    0x00f7: '{\\mbox{$\\div$}}',
    0x00f8: '{\\o}',
    0x00f9: '{\\`u}',
    0x00fa: "{\\'u}",
    0x00fb: '{\\^u}',
    0x00fc: '{\\"u}',
    0x00fd: "{\\'y}",
    0x00ff: '{\\"y}',
    
    0x0100: '{\\=A}',
    0x0101: '{\\=a}',
    0x0102: '{\\u{A}}',
    0x0103: '{\\u{a}}',
    0x0104: '{\\c{A}}',
    0x0105: '{\\c{a}}',
    0x0106: "{\\'C}",
    0x0107: "{\\'c}",
    0x0108: "{\\^C}",
    0x0109: "{\\^c}",
    0x010a: "{\\.C}",
    0x010b: "{\\.c}",
    0x010c: "{\\v{C}}",
    0x010d: "{\\v{c}}",
    0x010e: "{\\v{D}}",
    0x010f: "{\\v{d}}",
    0x0112: '{\\=E}',
    0x0113: '{\\=e}',
    0x0114: '{\\u{E}}',
    0x0115: '{\\u{e}}',
    0x0116: '{\\.E}',
    0x0117: '{\\.e}',
    0x0118: '{\\c{E}}',
    0x0119: '{\\c{e}}',
    0x011a: "{\\v{E}}",
    0x011b: "{\\v{e}}",
    0x011c: '{\\^G}',
    0x011d: '{\\^g}',
    0x011e: '{\\u{G}}',
    0x011f: '{\\u{g}}',
    0x0120: '{\\.G}',
    0x0121: '{\\.g}',
    0x0122: '{\\c{G}}',
    0x0123: '{\\c{g}}',
    0x0124: '{\\^H}',
    0x0125: '{\\^h}',
    0x0128: '{\\~I}',
    0x0129: '{\\~\\i}',
    0x012a: '{\\=I}',
    0x012b: '{\\=\\i}',
    0x012c: '{\\u{I}}',
    0x012d: '{\\u\\i}',
    0x012e: '{\\c{I}}',
    0x012f: '{\\c{i}}',
    0x0130: '{\\.I}',
    0x0131: '{\\i}',
    0x0132: '{IJ}',
    0x0133: '{ij}',
    0x0134: '{\\^J}',
    0x0135: '{\\^\\j}',
    0x0136: '{\\c{K}}',
    0x0137: '{\\c{k}}',
    0x0139: "{\\'L}",
    0x013a: "{\\'l}",
    0x013b: "{\\c{L}}",
    0x013c: "{\\c{l}}",
    0x013d: "{\\v{L}}",
    0x013e: "{\\v{l}}",
    0x0141: '{\\L}',
    0x0142: '{\\l}',
    0x0143: "{\\'N}",
    0x0144: "{\\'n}",
    0x0145: "{\\c{N}}",
    0x0146: "{\\c{n}}",
    0x0147: "{\\v{N}}",
    0x0148: "{\\v{n}}",
    0x014c: '{\\=O}',
    0x014d: '{\\=o}',
    0x014e: '{\\u{O}}',
    0x014f: '{\\u{o}}',
    0x0150: '{\\H{O}}',
    0x0151: '{\\H{o}}',
    0x0152: '{\\OE}',
    0x0153: '{\\oe}',
    0x0154: "{\\'R}",
    0x0155: "{\\'r}",
    0x0156: "{\\c{R}}",
    0x0157: "{\\c{r}}",
    0x0158: "{\\v{R}}",
    0x0159: "{\\v{r}}",
    0x015a: "{\\'S}",
    0x015b: "{\\'s}",
    0x015c: "{\\^S}",
    0x015d: "{\\^s}",
    0x015e: "{\\c{S}}",
    0x015f: "{\\c{s}}",
    0x0160: "{\\v{S}}",
    0x0161: "{\\v{s}}",
    0x0162: "{\\c{T}}",
    0x0163: "{\\c{t}}",
    0x0164: "{\\v{T}}",
    0x0165: "{\\v{t}}",
    0x0168: "{\\~U}",
    0x0169: "{\\~u}",
    0x016a: "{\\=U}",
    0x016b: "{\\=u}",
    0x016c: "{\\u{U}}",
    0x016d: "{\\u{u}}",
    0x016e: "{\\r{U}}",
    0x016f: "{\\r{u}}",
    0x0170: "{\\H{U}}",
    0x0171: "{\\H{u}}",
    0x0172: "{\\c{U}}",
    0x0173: "{\\c{u}}",
    0x0174: "{\\^W}",
    0x0175: "{\\^w}",
    0x0176: "{\\^Y}",
    0x0177: "{\\^y}",
    0x0178: '{\\"Y}',
    0x0179: "{\\'Z}",
    0x017a: "{\\'Z}",
    0x017b: "{\\.Z}",
    0x017c: "{\\.Z}",
    0x017d: "{\\v{Z}}",
    0x017e: "{\\v{z}}",

    0x01c4: "{D\\v{Z}}",
    0x01c5: "{D\\v{z}}",
    0x01c6: "{d\\v{z}}",
    0x01c7: "{LJ}",
    0x01c8: "{Lj}",
    0x01c9: "{lj}",
    0x01ca: "{NJ}",
    0x01cb: "{Nj}",
    0x01cc: "{nj}",
    0x01cd: "{\\v{A}}",
    0x01ce: "{\\v{a}}",
    0x01cf: "{\\v{I}}",
    0x01d0: "{\\v\\i}",
    0x01d1: "{\\v{O}}",
    0x01d2: "{\\v{o}}",
    0x01d3: "{\\v{U}}",
    0x01d4: "{\\v{u}}",
    0x01e6: "{\\v{G}}",
    0x01e7: "{\\v{g}}",
    0x01e8: "{\\v{K}}",
    0x01e9: "{\\v{k}}",
    0x01ea: "{\\c{O}}",
    0x01eb: "{\\c{o}}",
    0x01f0: "{\\v\\j}",
    0x01f1: "{DZ}",
    0x01f2: "{Dz}",
    0x01f3: "{dz}",
    0x01f4: "{\\'G}",
    0x01f5: "{\\'g}",
    0x01fc: "{\\'\\AE}",
    0x01fd: "{\\'\\ae}",
    0x01fe: "{\\'\\O}",
    0x01ff: "{\\'\\o}",

    0x02c6: '{\\^{}}',
    0x02dc: '{\\~{}}',
    0x02d8: '{\\u{}}',
    0x02d9: '{\\.{}}',
    0x02da: "{\\r{}}",
    0x02dd: '{\\H{}}',
    0x02db: '{\\c{}}',
    0x02c7: '{\\v{}}',
    
    0x03c0: '{\\mbox{$\\pi$}}',
    # consider adding more Greek here
    
    0xfb01: '{fi}',
    0xfb02: '{fl}',
    
    0x2013: '{--}',
    0x2014: '{---}',
    0x2018: "{`}",
    0x2019: "{'}",
    0x201c: "{``}",
    0x201d: "{''}",
    0x2020: "{\\dag}",
    0x2021: "{\\ddag}",
    0x2122: "{\\mbox{$^\\mbox{TM}$}}",
    0x2022: "{\\mbox{$\\bullet$}}",
    0x2026: "{\\ldots}",
    0x2202: "{\\mbox{$\\partial$}}",
    0x220f: "{\\mbox{$\\prod$}}",
    0x2211: "{\\mbox{$\\sum$}}",
    0x221a: "{\\mbox{$\\surd$}}",
    0x221e: "{\\mbox{$\\infty$}}",
    0x222b: "{\\mbox{$\\int$}}",
    0x2248: "{\\mbox{$\\approx$}}",
    0x2260: "{\\mbox{$\\neq$}}",
    0x2264: "{\\mbox{$\\leq$}}",
    0x2265: "{\\mbox{$\\geq$}}",
}

if __name__ == "__main__":
    import sys, codecs
    infile = sys.argv[1]
    with codecs.open(infile, 'r', 'utf-8') as fh:
        content = fh.read()
    out = []
    for c in content:
        out.append(latex_equivalents.get(ord(c), c))
    content = u"".join(out)
    print content.encode('utf-8')