ScoDoc/misc/SuppressAccents.py

# -*- mode: python -*-
# -*- coding: utf-8 -*-

"""Suppression des accents d'une chaine

Source: http://wikipython.flibuste.net/moin.py/JouerAvecUnicode#head-1213938516c633958921591439c33d202244e2f4
"""

_reptable = {}


def _fill_reptable():
    _corresp = [
        ("A", [0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x0100, 0x0102, 0x0104]),
        ("AE", [0x00C6]),
        ("a", [0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x0101, 0x0103, 0x0105]),
        ("ae", [0x00E6]),
        ("C", [0x00C7, 0x0106, 0x0108, 0x010A, 0x010C]),
        ("c", [0x00E7, 0x0107, 0x0109, 0x010B, 0x010D]),
        ("D", [0x00D0, 0x010E, 0x0110]),
        ("d", [0x00F0, 0x010F, 0x0111]),
        ("E", [0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x0112, 0x0114, 0x0116, 0x0118, 0x011A]),
        ("e", [0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x0113, 0x0115, 0x0117, 0x0119, 0x011B]),
        ("G", [0x011C, 0x011E, 0x0120, 0x0122]),
        ("g", [0x011D, 0x011F, 0x0121, 0x0123]),
        ("H", [0x0124, 0x0126]),
        ("h", [0x0125, 0x0127]),
        ("I", [0x00CC, 0x00CD, 0x00CE, 0x00CF, 0x0128, 0x012A, 0x012C, 0x012E, 0x0130]),
        ("i", [0x00EC, 0x00ED, 0x00EE, 0x00EF, 0x0129, 0x012B, 0x012D, 0x012F, 0x0131]),
        ("IJ", [0x0132]),
        ("ij", [0x0133]),
        ("J", [0x0134]),
        ("j", [0x0135]),
        ("K", [0x0136]),
        ("k", [0x0137, 0x0138]),
        ("L", [0x0139, 0x013B, 0x013D, 0x013F, 0x0141]),
        ("l", [0x013A, 0x013C, 0x013E, 0x0140, 0x0142]),
        ("N", [0x00D1, 0x0143, 0x0145, 0x0147, 0x014A]),
        ("n", [0x00F1, 0x0144, 0x0146, 0x0148, 0x0149, 0x014B]),
        ("O", [0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D8, 0x014C, 0x014E, 0x0150]),
        ("o", [0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00F8, 0x014D, 0x014F, 0x0151]),
        ("OE", [0x0152]),
        ("oe", [0x0153]),
        ("R", [0x0154, 0x0156, 0x0158]),
        ("r", [0x0155, 0x0157, 0x0159]),
        ("S", [0x015A, 0x015C, 0x015E, 0x0160]),
        ("s", [0x015B, 0x015D, 0x015F, 0x01610, 0x017F]),
        ("T", [0x0162, 0x0164, 0x0166]),
        ("t", [0x0163, 0x0165, 0x0167]),
        (
            "U",
            [
                0x00D9,
                0x00DA,
                0x00DB,
                0x00DC,
                0x0168,
                0x016A,
                0x016C,
                0x016E,
                0x0170,
                0x172,
            ],
        ),
        ("u", [0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x0169, 0x016B, 0x016D, 0x016F, 0x0171]),
        ("W", [0x0174]),
        ("w", [0x0175]),
        ("Y", [0x00DD, 0x0176, 0x0178]),
        ("y", [0x00FD, 0x00FF, 0x0177]),
        ("Z", [0x0179, 0x017B, 0x017D]),
        ("z", [0x017A, 0x017C, 0x017E]),
        ("2", [0x00B2]),  # deux exposant
        (" ", [0x00A0]),  # &nbsp
        ("", [0xB0]),  # degre
        ("", [0xA9]),  # copyright
        ("1/2", [0xBD]),  # 1/2
    ]
    global _reptable
    for repchar, codes in _corresp:
        for code in codes:
            _reptable[code] = repchar


_fill_reptable()


def suppression_diacritics(s):
    """Suppression des accents et autres marques.

    @param s: le texte à nettoyer.
    @type s: str ou unicode
    @return: le texte nettoyé de ses marques diacritiques.
    @rtype: unicode
    """
    if isinstance(s, str):
        s = unicode(s, "utf8", "replace")
    return s.translate(_reptable)