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Python library for manipulating URLs (and some URIs) in a more natural way.
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README.md

URLObject 2

URLObject is a utility class for manipulating URLs. The latest incarnation of this library builds upon the ideas of its predecessor, but aims for a clearer API, focusing on proper method names over operator overrides. It's also being developed from the ground up in a test-driven manner, and has full Sphinx documentation.

Tour

>>> from urlobject import URLObject

Create a URLObject with a string representing a URL. URLObject is a regular subclass of unicode, it just has several properties and methods which make it easier to manipulate URLs. All the basic slots from urlsplit are there:

>>> url = URLObject("https://github.com/zacharyvoase/urlobject?spam=eggs#foo")
>>> url
URLObject(u'https://github.com/zacharyvoase/urlobject?spam=eggs#foo')
>>> unicode(url)
u'https://github.com/zacharyvoase/urlobject?spam=eggs#foo'
>>> url.scheme
u'https'
>>> url.netloc
Netloc(u'github.com')
>>> url.hostname
u'github.com'
>>> (url.username, url.password)
(None, None)
>>> print url.port
None
>>> url.default_port
443
>>> url.path
URLPath(u'/zacharyvoase/urlobject')
>>> url.query
QueryString(u'spam=eggs')
>>> url.fragment
u'foo'

You can replace any of these slots using a with_*() method. Remember that, because unicode (and therefore URLObject) is immutable, these methods all return new URLs:

>>> url.with_scheme('http')
URLObject(u'http://github.com/zacharyvoase/urlobject?spam=eggs#foo')
>>> url.with_netloc('example.com')
URLObject(u'https://example.com/zacharyvoase/urlobject?spam=eggs#foo')
>>> url.with_auth('alice', '1234')
URLObject(u'https://alice:1234@github.com/zacharyvoase/urlobject?spam=eggs#foo')
>>> url.with_path('/some_page')
URLObject(u'https://github.com/some_page?spam=eggs#foo')
>>> url.with_query('funtimes=yay')
URLObject(u'https://github.com/zacharyvoase/urlobject?funtimes=yay#foo')
>>> url.with_fragment('example')
URLObject(u'https://github.com/zacharyvoase/urlobject?spam=eggs#example')

For the query and fragment, without_ methods also exist:

>>> url.without_query()
URLObject(u'https://github.com/zacharyvoase/urlobject#foo')
>>> url.without_fragment()
URLObject(u'https://github.com/zacharyvoase/urlobject?spam=eggs')

Relative URL Resolution

You can resolve relative URLs against a URLObject using relative():

>>> url.relative('another-project')
URLObject(u'https://github.com/zacharyvoase/another-project')
>>> url.relative('?different-query-string')
URLObject(u'https://github.com/zacharyvoase/urlobject?different-query-string')
>>> url.relative('#frag')
URLObject(u'https://github.com/zacharyvoase/urlobject?spam=eggs#frag')

Absolute URLs will just be returned as-is:

>>> url.relative('http://example.com/foo')
URLObject(u'http://example.com/foo')

And you can specify as much or as little of the new URL as you like:

>>> url.relative('//example.com/foo') # Preserve scheme
URLObject(u'https://example.com/foo')
>>> url.relative('/dvxhouse/intessa') # Just change path
URLObject(u'https://github.com/dvxhouse/intessa')
>>> url.relative('/dvxhouse/intessa?foo=bar') # Change path and query
URLObject(u'https://github.com/dvxhouse/intessa?foo=bar')
>>> url.relative('/dvxhouse/intessa?foo=bar#baz') # Change path, query and fragment
URLObject(u'https://github.com/dvxhouse/intessa?foo=bar#baz')

Path

The path property is an instance of URLPath, which has several methods and properties for manipulating the path string:

>>> url.path
URLPath(u'/zacharyvoase/urlobject')
>>> url.path.parent
URLPath(u'/zacharyvoase/')
>>> url.path.segments
(u'zacharyvoase', u'urlobject')
>>> url.path.add_segment('subnode')
URLPath(u'/zacharyvoase/urlobject/subnode')
>>> url.path.root
URLPath(u'/')

Some of these are aliased on the URL itself:

>>> url.parent
URLObject(u'https://github.com/zacharyvoase/?spam=eggs#foo')
>>> url.add_path_segment('subnode')
URLObject(u'https://github.com/zacharyvoase/urlobject/subnode?spam=eggs#foo')
>>> url.add_path('tree/urlobject2')
URLObject(u'https://github.com/zacharyvoase/urlobject/tree/urlobject2?spam=eggs#foo')
>>> url.root
URLObject(u'https://github.com/?spam=eggs#foo')

Query string

The query property is an instance of QueryString, so you can access sub-attributes of that with richer representations of the query string:

>>> url.query
QueryString(u'spam=eggs')
>>> url.query.list
[(u'spam', u'eggs')]
>>> url.query.dict
{u'spam': u'eggs'}
>>> url.query.multi_dict
{u'spam': [u'eggs']}

Modifying the query string is easy, too. You can 'add' or 'set' parameters: any method beginning with add_ will allow you to use the same parameter name multiple times in the query string; methods beginning with set_ will only allow one value for a given parameter name. Don't forget that each method will return a new QueryString instance:

>>> url.query.add_param(u'spam', u'ham')
QueryString(u'spam=eggs&spam=ham')
>>> url.query.set_param(u'spam', u'ham')
QueryString(u'spam=ham')
>>> url.query.add_params({u'spam': u'ham', u'foo': u'bar'})
QueryString(u'spam=eggs&foo=bar&spam=ham')
>>> url.query.set_params({u'spam': u'ham', u'foo': u'bar'})
QueryString(u'foo=bar&spam=ham')

Delete parameters with del_param() and del_params(). These will remove all appearances of the requested parameter name from the QueryString:

>>> url.query.del_param(u'spam')
QueryString(u'')
>>> url.query.add_params({u'foo': u'bar'}).del_params(['spam', 'foo'])
QueryString(u'')

Again, some of these methods are aliased on the URLObject directly:

>>> url.add_query_param(u'spam', u'ham')
URLObject(u'https://github.com/zacharyvoase/urlobject?spam=eggs&spam=ham#foo')
>>> url.set_query_param(u'spam', u'ham')
URLObject(u'https://github.com/zacharyvoase/urlobject?spam=ham#foo')
>>> url.del_query_param(u'spam')
URLObject(u'https://github.com/zacharyvoase/urlobject#foo')

(Un)license

This is free and unencumbered software released into the public domain.

Anyone is free to copy, modify, publish, use, compile, sell, or distribute this software, either in source code form or as a compiled binary, for any purpose, commercial or non-commercial, and by any means.

In jurisdictions that recognize copyright laws, the author or authors of this software dedicate any and all copyright interest in the software to the public domain. We make this dedication for the benefit of the public at large and to the detriment of our heirs and successors. We intend this dedication to be an overt act of relinquishment in perpetuity of all present and future rights to this software under copyright law.

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 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.

For more information, please refer to http://unlicense.org/

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