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69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
from numpy import ndarray
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from word2number import w2n
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from ..local_data_func.get_operator_synonyms import get_operator_synonyms
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import numexpr
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def word2num_math(string: str) -> ndarray | ZeroDivisionError | OverflowError:
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operator_synonyms: dict[str, list[str]] = get_operator_synonyms()
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def variables_to_operator(synonym):
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for key in operator_synonyms.keys():
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if synonym in operator_synonyms[key]:
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return key
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action = {
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"plus": '+',
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"minus": '-',
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"divide": '/',
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"multiply": '*',
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"degree": '**',
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}
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result_string: str = ''
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all_variables_of_operators: list[str] = [x for l in operator_synonyms.values() for x in l]
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operators = {}
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while True:
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is_clear = True
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number_of_operator = 1
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for word in string.split():
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try:
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if word in all_variables_of_operators:
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ope_index = string.index(word)
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if ope_index in operators.keys():
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is_clear = True
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break
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else:
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raise ValueError
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except ValueError:
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continue
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else:
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is_clear = False
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operators[number_of_operator] = variables_to_operator(word)
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number_of_operator += 1
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string = string.replace(word, "&&", 1)
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if is_clear:
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break
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num_of_ope = 1
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for number in string.split("&&"):
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try:
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int_num = w2n.word_to_num(number.strip())
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except ValueError:
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return ValueError("Invalid input expression")
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if num_of_ope in operators.keys():
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result_string += f'{int_num} {action[operators[num_of_ope]]} '
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num_of_ope += 1
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else:
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result_string += f'{int_num}'
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try:
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result = numexpr.evaluate(result_string)
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except ZeroDivisionError:
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return ZeroDivisionError('Except divide by zero')
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except OverflowError:
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return OverflowError('Too big result')
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else:
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return result
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