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# The MIT License (MIT)
#
# Copyright (c) 2015 Taka Okunishi
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
# Copyright © 2015-2018 Taka Okunishi <[email protected]>.
# Copyright © 2020 Louis-Philippe Véronneau <[email protected]>
import re
def uplowcase(string, case):
"""Convert string into upper or lower case.
Args:
string: String to convert.
Returns:
string: Uppercase or lowercase case string.
"""
if case == 'up':
return str(string).upper()
elif case == 'low':
return str(string).lower()
def capitalcase(string):
"""Convert string into capital case.
First letters will be uppercase.
Args:
string: String to convert.
Returns:
string: Capital case string.
"""
string = str(string)
if not string:
return string
return uplowcase(string[0], 'up') + string[1:]
def camelcase(string):
""" Convert string into camel case.
Args:
string: String to convert.
Returns:
string: Camel case string.
"""
string = re.sub(r"^[\-_\.]", '', str(string))
if not string:
return string
return (uplowcase(string[0], 'low')
+ re.sub(r"[\-_\.\s]([a-z])",
lambda matched: uplowcase(matched.group(1), 'up'),
string[1:]))
def snakecase(string):
"""Convert string into snake case.
Join punctuation with underscore
Args:
string: String to convert.
Returns:
string: Snake cased string.
"""
string = re.sub(r"[\-\.\s]", '_', str(string))
if not string:
return string
return (uplowcase(string[0], 'low')
+ re.sub(r"[A-Z]",
lambda matched: '_' + uplowcase(matched.group(0), 'low'),
string[1:]))
def spinalcase(string):
"""Convert string into spinal case.
Join punctuation with hyphen.
Args:
string: String to convert.
Returns:
string: Spinal cased string.
"""
return re.sub(r"_", "-", snakecase(string))
def pascalcase(string):
"""Convert string into pascal case.
Args:
string: String to convert.
Returns:
string: Pascal case string.
"""
return capitalcase(camelcase(string))
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