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import re
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from indic_transliteration import sanscript
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_iast_to_ipa = [(re.compile('%s' % x[0]), x[1]) for x in [
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('a', 'ə'),
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('ā', 'aː'),
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('ī', 'iː'),
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('ū', 'uː'),
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('ṛ', 'ɹ`'),
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('ṝ', 'ɹ`ː'),
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('ḷ', 'l`'),
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('ḹ', 'l`ː'),
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('e', 'eː'),
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('o', 'oː'),
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('k', 'k⁼'),
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('k⁼h', 'kʰ'),
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('g', 'g⁼'),
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('g⁼h', 'gʰ'),
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('ṅ', 'ŋ'),
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('c', 'ʧ⁼'),
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('ʧ⁼h', 'ʧʰ'),
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('j', 'ʥ⁼'),
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('ʥ⁼h', 'ʥʰ'),
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('ñ', 'n^'),
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('ṭ', 't`⁼'),
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('t`⁼h', 't`ʰ'),
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('ḍ', 'd`⁼'),
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('d`⁼h', 'd`ʰ'),
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('ṇ', 'n`'),
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('t', 't⁼'),
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('t⁼h', 'tʰ'),
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('d', 'd⁼'),
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('d⁼h', 'dʰ'),
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('p', 'p⁼'),
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('p⁼h', 'pʰ'),
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('b', 'b⁼'),
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('b⁼h', 'bʰ'),
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('y', 'j'),
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('ś', 'ʃ'),
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('ṣ', 's`'),
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('r', 'ɾ'),
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('l̤', 'l`'),
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('h', 'ɦ'),
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("'", ''),
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('~', '^'),
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('ṃ', '^')
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]]
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def devanagari_to_ipa(text):
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text = text.replace('ॐ', 'ओम्')
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text = re.sub(r'\s*।\s*$', '.', text)
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text = re.sub(r'\s*।\s*', ', ', text)
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text = re.sub(r'\s*॥', '.', text)
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text = sanscript.transliterate(text, sanscript.DEVANAGARI, sanscript.IAST)
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for regex, replacement in _iast_to_ipa:
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text = re.sub(regex, replacement, text)
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text = re.sub('(.)[`ː]*ḥ', lambda x: x.group(0)
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[:-1]+'h'+x.group(1)+'*', text)
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return text
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