31 lines
916 B
Python
31 lines
916 B
Python
import re
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import roman
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CAMEL_CASE_TO_PSEUDO_SNAKE_CASE_CONVERSION_REGEX_1 = re.compile('(.)([A-Z][a-z]+)')
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CAMEL_CASE_TO_PSEUDO_SNAKE_CASE_CONVERSION_REGEX_2 = re.compile('([a-z0-9])([A-Z])')
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def convert_camel_case_to_pseudo_snake_case(text):
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"""
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Converts camel case to pseudo snake case using hyphen instead of
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underscore.
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E. g. ThisText is converted to this-text.
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Credits: epost (http://stackoverflow.com/a/1176023)
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"""
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s1 = CAMEL_CASE_TO_PSEUDO_SNAKE_CASE_CONVERSION_REGEX_1.sub(r'\1-\2', text)
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return CAMEL_CASE_TO_PSEUDO_SNAKE_CASE_CONVERSION_REGEX_2.sub(r'\1-\2', s1).lower()
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def to_roman(number):
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"""
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Converts an arabic number within range from 1 to 4999 to the
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corresponding roman number. Returns None on error conditions.
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"""
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try:
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return roman.toRoman(number)
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except (roman.NotIntegerError, roman.OutOfRangeError):
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return None
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