Python convert to case

convert-case 1.2.3

Convert between string cases with built-in case inference.

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Лицензия: MIT License

Требует: Python >=3.6

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Описание проекта

Convert Case

Convert between string cases with built-in case inference.

Status

Installing

Install the package from pypi:

To experiment with the source code locally, clone the repository:

git clone https://github.com/joellefkowitz/convert-case

To install linters, formatters and test runners:

Usage

 camel  camel camel To run unit tests:

test	lower	upper	sentence	title	camel	snake	kebab	pascal
a	a	A	A	A	a	a	a	A
A	a	A	A	A	a	a	a	A
abc	abc	ABC	Abc	Abc	abc	abc	abc	Abc
ab cd	ab cd	AB CD	Ab cd	Ab Cd	abCd	ab_cd	ab-cd	AbCd
Ab cd	ab cd	AB CD	Ab cd	Ab Cd	abCd	ab_cd	ab-cd	AbCd
Ab Cd	ab cd	AB CD	Ab cd	Ab Cd	abCd	ab_cd	ab-cd	AbCd
ab_cd	ab cd	AB CD	Ab cd	Ab Cd	abCd	ab_cd	ab-cd	AbCd
ab-cd	ab cd	AB CD	Ab cd	Ab Cd	abCd	ab_cd	ab-cd	AbCd
abCd	ab cd	AB CD	Ab cd	Ab Cd	abCd	ab_cd	ab-cd	AbCd
ABCD	abcd	ABCD	Abcd	Abcd	abcd	abcd	abcd	Abcd
AbCd	ab cd	AB CD	Ab cd	Ab Cd	abCd	ab_cd	ab-cd	AbCd
ab cd ef	ab cd ef	AB CD EF	Ab cd ef	Ab Cd Ef	abCdEf	ab_cd_ef	ab-cd-ef	AbCdEf
AbCdEf	ab cd ef	AB CD EF	Ab cd ef	Ab Cd Ef	abCdEf	ab_cd_ef	ab-cd-ef	AbCdEf
ab-cd-ef	ab cd ef	AB CD EF	Ab cd ef	Ab Cd Ef	abCdEf	ab_cd_ef	ab-cd-ef	AbCdEf
Ab cd ef	ab cd ef	AB CD EF	Ab cd ef	Ab Cd Ef	abCdEf	ab_cd_ef	ab-cd-ef	AbCdEf

Numbers

Numbers are treated as letters with no specific case.

test	lower	upper	sentence	title	camel	snake	kebab	pascal
1	1	1	1	1	1	1	1	1
1bc	1bc	1BC	1bc	1bc	1bc	1bc	1bc	1bc
a1c	a1c	A1C	A1c	A1c	a1c	a1c	a1c	A1c
ab1	ab1	AB1	Ab1	Ab1	ab1	ab1	ab1	Ab1
a1 c	a1 c	A1 C	A1 c	A1 C	a1C	a1_c	a1-c	A1C
a1-c	a1 c	A1 C	A1 c	A1 C	a1C	a1_c	a1-c	A1C

Advanced

A goal of this converter is that it is deterministic. If we consider the following examples we can see that this is not simple to achieve. How should we interpret the string ‘ABC’, is it in upper case or pascal case?

test	upper	pascal
abc	ABC	Abc
a b c	A B C	ABC

• To consider strings with consecutive capitals like ‘ABC’ not to be pascal case. If in this case ‘a b c’ is parsed to ‘Abc’ it would clash with parsing ‘abc’ into pascal case.
• To store some state that remembers the string’s case before parsing. This would introduce too much complexity.
• To prioritize parsing the string as one case unless told otherwise. We choose to pick upper case as the inferred case. The caveat here is that we will no longer be performing ’round trip’ conversion.

Not round trip conversion:

This repository's documentation is hosted on readthedocs.

Источник

Case Converter

A robust python package for transforming string cases such as Hello, world! into helloWorld (camelcase).

General usage

Delimeter behavior

If multiple delimeter characters are identified next to eachother they will be considered as a single delimeter. For example, -_ contains 2 different delimeter characters and is considered a single delimeter.

Available conversions

camelcase

delims_only : bool — Only consider delimiters as boundaries (default: False ).

pascalcase

Stripping punctuation

Punctuation is stripped when doing a case conversion. However, should you wish to keep the punctuation you can do so by passing strip_punctuation=False .

Delimeter customization

Default delimiters used to denote a token boundary.

You can pass delims to each case conversion function to specify a custom set of delimiters.

Boundaries definitions

Name	Description
OnDelimeterUppercaseNext	On a delimieter, upper case the following character
OnDelimeterLowercaseNext	On a delimeter, lower case the following character
OnUpperPrecededByLowerAppendUpper	On an upper case character followed by a lower case character, append the upper case character
OnUpperPrecededByLowerAppendLower	On an upper case character preceeded by a lower case character append the lower case character
OnUpperPrecededByUpperAppendJoin	On an upper case caharacter preceeded by an upper append the join character. Join characters are context dependent. Example: macro cast join character is _
OnUpperPrecededByUpperAppendCurrent	On an upper case character preceeded by an upper case character append the upper case character

Contributing

1. Write clean code.
2. Write new tests for new use-cases.
3. Test your code before raising a PR.
4. Use black to format your code.

Источник

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String case converter for python.

License

okunishinishi/python-stringcase

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README.rst

Convert string cases between camel case, pascal case, snake case etc.

import stringcase stringcase.camelcase('foo_bar_baz') # => "fooBarBaz" stringcase.camelcase('FooBarBaz') # => "fooBarBaz" stringcase.capitalcase('foo_bar_baz') # => "Foo_bar_baz" stringcase.capitalcase('FooBarBaz') # => "FooBarBaz" stringcase.constcase('foo_bar_baz') # => "FOO_BAR_BAZ" stringcase.constcase('FooBarBaz') # => "_FOO_BAR_BAZ" stringcase.lowercase('foo_bar_baz') # => "foo_bar_baz" stringcase.lowercase('FooBarBaz') # => "foobarbaz" stringcase.pascalcase('foo_bar_baz') # => "FooBarBaz" stringcase.pascalcase('FooBarBaz') # => "FooBarBaz" stringcase.pathcase('foo_bar_baz') # => "foo/bar/baz" stringcase.pathcase('FooBarBaz') # => "/foo/bar/baz" stringcase.sentencecase('foo_bar_baz') # => "Foo bar baz" stringcase.sentencecase('FooBarBaz') # => "Foo bar baz" stringcase.snakecase('foo_bar_baz') # => "foo_bar_baz" stringcase.snakecase('FooBarBaz') # => "foo_bar_baz" stringcase.spinalcase('foo_bar_baz') # => "foo-bar-baz" stringcase.spinalcase('FooBarBaz') # => "-foo-bar-baz" stringcase.titlecase('foo_bar_baz') # => "Foo Bar Baz" stringcase.titlecase('FooBarBaz') # => " Foo Bar Baz" stringcase.trimcase('foo_bar_baz') # => "foo_bar_baz" stringcase.trimcase('FooBarBaz') # => "FooBarBaz" stringcase.uppercase('foo_bar_baz') # => "FOO_BAR_BAZ" stringcase.uppercase('FooBarBaz') # => "FOOBARBAZ" stringcase.alphanumcase('_Foo., Bar') # =>'FooBar' stringcase.alphanumcase('Foo_123 Bar!') # =>'Foo123Bar'

This software is released under the MIT License.

Источник

Case Conversion

In this lesson, you’ll explore string methods that perform case conversion on the target string. These are the case conversion methods:

Here’s how to use str.capitalize() :

>>> s = 'egG BacOn SauSAGE loBSter' >>> s.capitalize() 'Egg bacon sausage lobster' >>> s = 'egg123#BACON#.' >>> s.capitalize() 'Egg123#bacon#.' 

Here’s how to use str.lower() :

>>> s = 'EGG Bacon 123 sAusAge lOBSTEr.' >>> s.lower() 'egg bacon 123 sausage lobster.' 

Here’s how to use str.swapcase() :

>>> s = 'eGG Bacon 123 sausage LOBSTER.' >>> s.swapcase() 'Egg bACON 123 SAUSAGE lobster.' 

Here’s how to use str.title() :

>>> s = 'the sun also rises' >>> s.title() 'The Sun Also Rises' >>> s = "what's happened to ted's IBM stock?" >>> s.title "What'S Happened To Ted'S Ibm Stock?" 

Here’s how to use str.upper() :

>>> s = 'EGG Bacon 123 sauSAGE lOBsTer.' >>> s.upper() 'EGG BACON 123 SAUSAGE LOBSTER.' 

Источник