sh_cpl/src/cpl_core/utils/string.py
2021-08-05 14:17:38 +02:00

92 lines
2.2 KiB
Python

import re
import string
import random
class String:
r"""Useful functions for strings"""
@staticmethod
def convert_to_camel_case(chars: str) -> str:
r"""Converts string to camel case
Parameter
---------
chars: :class:`str`
String to convert
Returns
-------
String converted to CamelCase
"""
converted_name = chars
char_set = string.punctuation + ' '
for char in char_set:
if char in converted_name:
converted_name = ''.join(word.title() for word in converted_name.split(char))
return converted_name
@staticmethod
def convert_to_snake_case(chars: str) -> str:
r"""Converts string to snake case
Parameter
---------
chars: :class:`str`
String to convert
Returns
-------
String converted to snake_case
"""
# convert to train-case to CamelCase
if '-' in chars:
chars = ''.join(word.title() for word in chars.split('-'))
pattern1 = re.compile(r'(.)([A-Z][a-z]+)')
pattern2 = re.compile(r'([a-z0-9])([A-Z])')
file_name = re.sub(pattern1, r'\1_\2', chars)
return re.sub(pattern2, r'\1_\2', file_name).lower()
@staticmethod
def first_to_upper(chars: str) -> str:
r"""Converts first char to upper
Parameter
---------
chars: :class:`str`
String to convert
Returns
-------
String with first char as upper
"""
return f'{chars[0].upper()}{chars[1:]}'
@staticmethod
def first_to_lower(chars: str) -> str:
r"""Converts first char to lower
Parameter
---------
chars: :class:`str`
String to convert
Returns
-------
String with first char as lower
"""
return f'{chars[0].lower()}{chars[1:]}'
@staticmethod
def random_string(chars: str, length: int) -> str:
r"""Creates random string by given chars and length
Returns
-------
String of random chars
"""
return ''.join(random.choice(chars) for _ in range(length))