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Description:

publicsuffix 1.1.1

Deprecated
Please don’t use this module. It is provided for historical reasons only. New
code should instead use one of the other libraries that provide similar
functionality. For example:

publicsuffix2
publicsuffixlist

About
This module allows you to get the public suffix of a domain name using the
Public Suffix List from http://publicsuffix.org
A public suffix is one under which Internet users can directly register
names. Some examples of public suffixes are .com, .co.uk and pvt.k12.wy.us.
Accurately knowing the public suffix of a domain is useful when handling
web browser cookies, highlighting the most important part of a domain name
in a user interface or sorting URLs by web site.
It’s up the user to provide this module with an appropriate version of the
Public Suffix List. A convenience function is provided that downloads the most
recent version available on http://publicsuffix.org

Module content
The fetch() function downloads the most recent version of the list and
returns a file object. You should cache the data as appropriate for your
application:
>>> from publicsuffix import fetch
>>> psl_file = fetch()
Alternatively, if you have the list already downloaded by other means:
>>> import codecs
>>> psl_file = codecs.open('publicsuffix/public_suffix_list.dat', encoding='utf8')
The PublicSuffixList class parses the Public Suffix List and allows queries
for individual domain names:
>>> from publicsuffix import PublicSuffixList
>>> psl = PublicSuffixList(psl_file)
>>> psl.get_public_suffix("www.example.com")
'example.com'
Please note that the host part of an URL can contain strings that are
not plain DNS domain names (IP addresses, Punycode-encoded names, name in
combination with a port number or an username, etc.). It is up to the
caller to ensure only domain names are passed to the get_public_suffix()
method.

Installation
To install from the source distribution and run unit tests, use these
commands:
$ python setup.py install
$ python setup.py test

Source
You can get a local copy of the development repository with:
git clone https://www.tablix.org/~avian/git/publicsuffix.git

Notes on backwards compatibility
This module ships with an out-dated copy of the Public Suffix List for
compatibility with older versions. Use of this list is deprecated since it
encouraged applications that never updated the Public Suffix List data. The
built-in list will be removed in a future version.
If you are using the PublicSuffixList constructor without any arguments,
please use the fetch() function and implement an appropriate cache, as shown
above.

Support
See deprecation notice above. In case of major bugs affecting legacy software
that hasn’t yet migrated to other libraries, contact tomaz.solc@tablix.org.

License
Copyright (c) 2015 Tomaž Šolc <tomaz.solc@tablix.org>
Python module included in this distribution is based on the code downloaded
from http://code.google.com/p/python-public-suffix-list/, which is
available under the following license:
Copyright (c) 2009 David Wilson
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the “Software”),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
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 OR COPYRIGHT HOLDERS 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.
The Public Suffix List included in this distribution has been downloaded
from http://publicsuffix.org/ and is covered by a separate license. Please
see the license block at the top of the file itself.