63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
import re
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valid_symbols = [
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"AA", "AA0", "AA1", "AA2", "AE", "AE0", "AE1", "AE2", "AH", "AH0", "AH1", "AH2",
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"AO", "AO0", "AO1", "AO2", "AW", "AW0", "AW1", "AW2", "AY", "AY0", "AY1", "AY2",
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"B", "CH", "D", "DH", "EH", "EH0", "EH1", "EH2", "ER", "ER0", "ER1", "ER2", "EY",
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"EY0", "EY1", "EY2", "F", "G", "HH", "IH", "IH0", "IH1", "IH2", "IY", "IY0", "IY1",
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"IY2", "JH", "K", "L", "M", "N", "NG", "OW", "OW0", "OW1", "OW2", "OY", "OY0",
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"OY1", "OY2", "P", "R", "S", "SH", "T", "TH", "UH", "UH0", "UH1", "UH2", "UW",
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"UW0", "UW1", "UW2", "V", "W", "Y", "Z", "ZH"
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]
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_valid_symbol_set = set(valid_symbols)
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class CMUDict:
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"""Thin wrapper around CMUDict data. http://www.speech.cs.cmu.edu/cgi-bin/cmudict"""
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def __init__(self, file_or_path, keep_ambiguous=True):
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if isinstance(file_or_path, str):
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with open(file_or_path, encoding="latin-1") as f:
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entries = _parse_cmudict(f)
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else:
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entries = _parse_cmudict(file_or_path)
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if not keep_ambiguous:
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entries = {word: pron for word, pron in entries.items() if len(pron) == 1}
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self._entries = entries
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def __len__(self):
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return len(self._entries)
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def lookup(self, word):
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"""Returns list of ARPAbet pronunciations of the given word."""
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return self._entries.get(word.upper())
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_alt_re = re.compile(r"\([0-9]+\)")
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def _parse_cmudict(file):
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cmudict = {}
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for line in file:
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if len(line) and (line[0] >= "A" and line[0] <= "Z" or line[0] == "'"):
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parts = line.split(" ")
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word = re.sub(_alt_re, "", parts[0])
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pronunciation = _get_pronunciation(parts[1])
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if pronunciation:
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if word in cmudict:
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cmudict[word].append(pronunciation)
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else:
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cmudict[word] = [pronunciation]
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return cmudict
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def _get_pronunciation(s):
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parts = s.strip().split(" ")
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for part in parts:
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if part not in _valid_symbol_set:
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return None
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return " ".join(parts)
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