# -*- coding: utf-8 -*-
# SPDX-FileCopyrightText: 2016-2024 PyThaiNLP Project
# SPDX-License-Identifier: Apache-2.0
from pythainlp import thai_consonants
[docs]def nighit(w1: str, w2: str) -> str:
"""
Nighit (นิคหิต or ํ ) is the niggahita in Thai language for create new \
words from Pali language in Thai.
The function use simple method to create new Thai word from two words \
that the root is from Pali language.
Read more: https://www.trueplookpanya.com/learning/detail/1180
:param str w1: A Thai word that has a nighit.
:param str w2: A Thai word.
:return: Thai word.
:rtype: str
:Example:
::
from pythainlp.morpheme import nighit
assert nighit("สํ","คีต")=="สังคีต"
assert nighit("สํ","จร")=="สัญจร"
assert nighit("สํ","ฐาน")=="สัณฐาน"
assert nighit("สํ","นิษฐาน")=="สันนิษฐาน"
assert nighit("สํ","ปทา")=="สัมปทา"
assert nighit("สํ","โยค")=="สังโยค"
"""
if not str(w1).endswith('ํ') and len(w1) != 2:
raise NotImplementedError(f"The function doesn't support {w1}.")
list_w1 = list(w1)
list_w2 = list(w2)
newword = list()
newword.append(list_w1[0])
newword.append("ั")
consonant_start = [i for i in list_w2 if i in set(thai_consonants)][0]
if consonant_start in ["ก", "ช", "ค", "ข", "ง"]:
newword.append("ง")
elif consonant_start in ["จ", "ฉ", "ช", "ฌ"]:
newword.append("ญ")
elif consonant_start in ["ฎ", "ฐ", "ฑ", "ณ"]:
newword.append("ณ")
elif consonant_start in ["ด", "ถ", "ท", "ธ", "น"]:
newword.append("น")
elif consonant_start in ["ป", "ผ", "พ", "ภ"]:
newword.append("ม")
elif consonant_start in ["ย", "ร", "ล", "ฬ", "ว", "ศ", "ษ", "ส", "ห"]:
newword.append("ง")
else:
raise NotImplementedError(f"""
The function doesn't support {w1} and {w2}.
""")
newword.extend(list_w2)
return ''.join(newword)