OpenSlides/openslides/utils/utils.py
2017-09-03 18:34:55 +02:00

32 lines
994 B
Python

import re
import roman
CAMEL_CASE_TO_PSEUDO_SNAKE_CASE_CONVERSION_REGEX_1 = re.compile('(.)([A-Z][a-z]+)')
CAMEL_CASE_TO_PSEUDO_SNAKE_CASE_CONVERSION_REGEX_2 = re.compile('([a-z0-9])([A-Z])')
def convert_camel_case_to_pseudo_snake_case(text: str) -> str:
"""
Converts camel case to pseudo snake case using hyphen instead of
underscore.
E. g. ThisText is converted to this-text.
Credits: epost (http://stackoverflow.com/a/1176023)
"""
s1 = CAMEL_CASE_TO_PSEUDO_SNAKE_CASE_CONVERSION_REGEX_1.sub(r'\1-\2', text)
return CAMEL_CASE_TO_PSEUDO_SNAKE_CASE_CONVERSION_REGEX_2.sub(r'\1-\2', s1).lower()
def to_roman(number: int) -> str:
"""
Converts an arabic number within range from 1 to 4999 to the
corresponding roman number. Returns the input converted as string on error
conditions or higher numbers.
"""
try:
return roman.toRoman(number)
except (roman.NotIntegerError, roman.OutOfRangeError):
return str(number)