Documentation and license

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Lars Kiesow 2013-05-03 17:13:08 +02:00
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extension for Podcasts. extension for Podcasts.
:copyright: 2013 by Lars Kiesow :copyright: 2013 by Lars Kiesow
:license: FreeBSD and LGPL, see LICENSE for more details. :license: FreeBSD and LGPL, see license.* for more details.
------------- -------------

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:copyright: 2013, Lars Kiesow <lkiesow@uos.de> :copyright: 2013, Lars Kiesow <lkiesow@uos.de>
:license: FreeBSD and LGPL, see LICENSE for more details. :license: FreeBSD and LGPL, see license.* for more details.
''' '''
from feedgenerator.feed import FeedGenerator from feedgenerator.feed import FeedGenerator

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:copyright: 2013, Lars Kiesow <lkiesow@uos.de> :copyright: 2013, Lars Kiesow <lkiesow@uos.de>
:license: FreeBSD and LGPL, see LICENSE for more details. :license: FreeBSD and LGPL, see license.* for more details.
''' '''
from lxml import etree from lxml import etree

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:copyright: 2013, Lars Kiesow <lkiesow@uos.de> :copyright: 2013, Lars Kiesow <lkiesow@uos.de>
:license: FreeBSD and LGPL, see LICENSE for more details. :license: FreeBSD and LGPL, see license.* for more details.
''' '''
from lxml import etree from lxml import etree

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:copyright: 2013, Lars Kiesow <lkiesow@uos.de> :copyright: 2013, Lars Kiesow <lkiesow@uos.de>
:license: FreeBSD and LGPL, see LICENSE for more details. :license: FreeBSD and LGPL, see license.* for more details.
''' '''
from lxml import etree from lxml import etree

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:copyright: 2013, Lars Kiesow <lkiesow@uos.de> :copyright: 2013, Lars Kiesow <lkiesow@uos.de>
:license: FreeBSD and LGPL, see LICENSE for more details. :license: FreeBSD and LGPL, see license.* for more details.
''' '''
from lxml import etree from lxml import etree

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This file contains helper functions for the feed generator module. This file contains helper functions for the feed generator module.
:copyright: 2013, Lars Kiesow <lkiesow@uos.de> :copyright: 2013, Lars Kiesow <lkiesow@uos.de>
:license: FreeBSD and LGPL, see license.* for more details.
:license: FreeBSD and LGPL, see LICENSE for more details.
''' '''

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Copyright 2011 Lars Kiesow. All rights reserved.
http://www.larskiesow.de
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
THE POSSIBILITY OF SUCH DAMAGE.
The views and conclusions contained in the software and documentation
are those of the authors and should not be interpreted as representing
official policies, either expressed or implied, of everyone working on
this project.

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GNU LESSER GENERAL PUBLIC LICENSE
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Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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=============
feedgenerator
=============
This module can be used to generate web feeds in both ATOM and RSS format.
They included PodcastGenerator furthermore includes all of Apples RSS
extension for Podcasts.
:copyright: 2013 by Lars Kiesow
:license: FreeBSD and LGPL, see license.* for more details.
-------------
Create a Feed
-------------
To create a feed simply instanciate the FeedGenerator class and insert some
data::
>>> from feedgenerator.feed import FeedGenerator
>>> fg = FeedGenerator()
>>> fg.id('http://lernfunk.de/media/654321')
>>> fg.title('Some Testfeed')
>>> fg.author( {'name':'John Doe','email':'john@example.de'} )
>>> fg.link( href='http://example.com', rel='alternate' )
>>> fg.logo('http://ex.com/logo.jpg')
>>> fg.subtitle('This is a cool feed!')
>>> fg.link( href='http://larskiesow.de/test.atom', rel='self' )
>>> fg.language('en')
Note that for the methods which set fields that can occur more than once in
a feed you can use all of the following ways to provide data:
- Provide the data for that element as keyword arguments::
- Provide the data for that element as dictionary::
- Provide a list of dictionaries with the data for several elements::
Example::
>>> fg.contributor( name='John Doe', email='jdoe@example.com' )
>>> fg.contributor({'name':'John Doe', 'email':'jdoe@example.com'})
>>> fg.contributor([{'name':'John Doe', 'email':'jdoe@example.com'}, ...])
-----------------
Generate the Feed
-----------------
After that you can generate both RSS or ATOM by calling the respective method::
>>> atomfeed = fg.atom_str(pretty=True) # Get the ATOM feed as string
>>> rssfeed = fg.rss_str(pretty=True) # Get the RSS feed as string
>>> fg.atom_file('atom.xml') # Write the ATOM feed to a file
>>> fg.rss_file('rss.xml') # Write the RSS feed to a file
----------------
Add Feed Entries
----------------
To add entries (items) to a feed you need to create new FeedEntry objects
and append them to the list of entries in the FeedGenerator. The most
convenient way to go is to use the FeedGenerator itself for the
instantiation of the FeedEntry object::
>>> fe = fg.add_entry()
>>> fe.id('http://lernfunk.de/media/654321/1')
>>> fe.title('The First Episode')
The FeedGenerators method add_entry(...) without argument provides will
automaticall generate a new FeedEntry object, append it to the feeds
internal list of entries and return it, so that additional data can be
added.
-----------------
Produce a Podcast
-----------------
A podcast is an RSS feed with some additional elements for ITunes. The
feedgenerator has a PodcastGenerator class as extension to the default
FeedGenerator which you can use to set these additional fields.
To produce a podcast simply do something like this::
>>> from feedgenerator.podcast import PodcastGenerator
>>> fg = PodcastGenerator()
...
>>> fg.podcast_str(pretty=True)
>>> fg.podcast_file('podcast.xml')
For the episodes of the podcast you should also use PodcastEntry instead of
FeedEntry. However, if you use the add_entry(...) method to generator the
entry objects, it will take care of that for you.
Of cause you can still produce a normat ATOM or RSS feed, even if you use
the PodcastGenerator using the {atom,rss}_{str,file} methods.
---------------------
Testing the Generator
---------------------
You can test the module by simply executing::
%> pythom -m feedgenerator