7 examples of 'python title case' in Python

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def titlecase(s):
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    """Format string in title case.
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    Only changes the first character of each word.
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    """
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    return re.sub(r"[A-Za-z]+('[A-Za-z]+)?",
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                  lambda m: m.group(0)[0].upper() + m.group(0)[1:], s)

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def titlecase(text):
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    """
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    Similar to string.title() but with some improvements.
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    """
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    return re.sub(r"[A-Za-z]+('[A-Za-z]+)?",
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            lambda  mo: mo.group(0)[0].upper() +
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                    mo.group(0)[1:].lower(),
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            text)

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def titleize(s):
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    rv=s[0].upper() + s[1:]
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    return rv

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def underscore(title):
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    return re.sub(r"(?<=[a-z])(?=[A-Z])", u"_", title).lower()

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def title_exceptions(word, **kwargs):
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    word_test = word.strip("(){}<>.")
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    # lowercase words
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    if word_test.lower() in ['a', 'an', 'of', 'the', 'is', 'or']:
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        return word.lower()
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    # uppercase words
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    if word_test.upper() in ['UK', 'FM', 'YMCA', 'PTA', 'PTFA',
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                             'NHS', 'CIO', 'U3A', 'RAF', 'PFA', 'ADHD',
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                             'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX', 'X', 'XI',
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                             'AFC', 'CE', 'CIC'
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                             ]:
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        return word.upper()
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    # words with no vowels that aren't all uppercase
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    if word_test.lower() in ['st', 'mr', 'mrs', 'ms', 'ltd', 'dr', 'cwm', 'clwb', 'drs']:
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        return None
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    # words with number ordinals
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    if bool(ORD_NUMBERS_RE.search(word_test.lower())):
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        return word.lower()
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    # words with dots/etc in the middle
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    for s in [".", "'", ")"]:
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        dots = word.split(s)
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        if len(dots) > 1:
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            # check for possesive apostrophes
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            if s == "'" and dots[-1].upper() == "S":
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                return s.join([titlecase.titlecase(i, title_exceptions) for i in dots[:-1]] + [dots[-1].lower()])
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            # check for you're and other contractions
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            if word_test.upper() in ["YOU'RE", "DON'T", "HAVEN'T"]:
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                return s.join([titlecase.titlecase(i, title_exceptions) for i in dots[:-1]] + [dots[-1].lower()])
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            return s.join([titlecase.titlecase(i, title_exceptions) for i in dots])
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    # words with no vowels in (treat as acronyms)
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    if not bool(VOWELS.search(word_test)):
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        return word.upper()
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    return None

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def to_title(s):
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    return s.title()

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def title_case(string, seperator='_'):
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    """Format a string into title case - e.g. 'some_word' => Some Word """
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    return ' '.join(map(firstcaps, string.split(seperator)))