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Improve performance by compiling regex once #30

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20 changes: 10 additions & 10 deletions persian_tools/separator.py
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Original file line number Diff line number Diff line change
@@ -1,16 +1,16 @@
from typing import Union
from typing import TypeAlias
import re

Number: TypeAlias = int | float | str

def add(number: Union[int, float, str], separator: str = ',') -> str:
number = str(number)
parts = number.split('.')
pattern = '(\\d)(?=(\\d{3})+(?!\\d))'
repl = r'\1{sep}'.format(sep=separator)
_PATTERN = re.compile(r"(\d)(?=(\d{3})+(?!\d))")

parts[0] = re.sub(pattern, repl, parts[0])
return '.'.join(parts)

def add(number: Number, separator: str = ",") -> str:
integer, *decimal = str(number).split(".")
integer = _PATTERN.sub(rf"\1{separator}", integer)
return ".".join((integer, *decimal))

def remove(number: str, separator: str = ',') -> str:
return str(number).replace(separator, '')

def remove(number: str, separator: str = ",") -> str:
return number.replace(separator, "")