Yet another URL library
Project description
yarl
Introduction
Url is constructed from str:
>>> from yarl import URL
>>> url = URL('https://www.python.org/~guido?arg=1#frag')
>>> url
URL('https://www.python.org/~guido?arg=1#frag')
All url parts: scheme, user, passsword, host, port, path, query and fragment are accessible by properties:
>>> url.scheme
'https'
>>> url.host
'www.python.org'
>>> url.path
'/~guido'
>>> url.query_string
'arg=1'
>>> url.query
<MultiDictProxy('arg': '1')>
>>> url.fragment
'frag'
All url manipulations produces a new url object:
>>> url.parent / 'downloads/source'
URL('https://www.python.org/downloads/source')
Strings passed to constructor and modification methods are automatically encoded giving canonical representation as result:
>>> url = URL('https://www.python.org/путь')
>>> url
URL('https://www.python.org/%D0%BF%D1%83%D1%82%D1%8C')
Regular properties are percent-decoded, use raw_ versions for getting encoded strings:
>>> url.path '/путь' >>> url.raw_path '/%D0%BF%D1%83%D1%82%D1%8C'
Human readable representation of URL is available as .human_repr():
>>> url.human_repr() 'https://www.python.org/путь'
For full documentation please read https://yarl.readthedocs.org.
Installation
$ pip install yarl
The library is Python 3 only!
Dependencies
YARL requires multidict library.
API documentation
The documentation is located at https://yarl.readthedocs.org
Comparison with other URL libraries
furl (https://pypi-hypernode.com/pypi/furl)
The libray has a rich functionality but furl object is mutable.
I afraid to pass this object into foreign code: who knows if the code will modifiy my url in a terrible way while I just want to send URL with handy helpers for accessing URL properies.
furl has other non obvious tricky things but the main objection is mutability.
URLObject (https://pypi-hypernode.com/pypi/URLObject)
URLObject is immutable, that’s pretty good.
Every URL change generates a new URL object.
But the library doesn’t any decode/encode transormations leaving end user to cope with these gory details.
Source code
The project is hosted on GitHub
Please file an issue on the bug tracker if you have found a bug or have some suggestion in order to improve the library.
The library uses Travis for Continuous Integration.
Discussion list
aio-libs google group: https://groups.google.com/forum/#!forum/aio-libs
Feel free to post your questions and ideas here.
CHANGES
0.4.0 (2016-09-27)
Introduce relative() #16
0.3.2 (2016-09-27)
Typo fixes #15
0.3.1 (2016-09-26)
Support sequience of pairs as with_query() parameter
0.3.0 (2016-09-26)
Introduce is_default_port()
0.2.1 (2016-09-26)
Raise ValueError for URLs like ‘http://:8080/’
0.2.0 (2016-09-18)
Avoid doubling slashes when joining paths #13
Appending path starting from slash is forbidden #12
0.1.4 (2016-09-09)
Add kwargs support for with_query() #10
0.1.3 (2016-09-07)
Document with_query(), with_fragment() and origin()
Allow None for with_query() and with_fragment()
0.1.2 (2016-09-07)
Fix links, tune docs theme.
0.1.1 (2016-09-06)
Update REAMDE, old version used obsolete AIP
0.1.0 (2016-09-06)
The library was deeply refactored, bytes are gone away but all accepted strings are encoded if needed.
0.0.1 (2016-08-30)
The first release.
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