106 lines
4.1 KiB
Python
Executable File
106 lines
4.1 KiB
Python
Executable File
#!/usr/bin/python
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#
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# relink.py - A script intended for one time use to tweak a feed to re-link its
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# enclosures to appropriate URLs at the Internet Archive.
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#
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# Copyright (c) 2010, Thomas Gideon
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of Thomas Gideon nor the
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# names of additional contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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from BeautifulSoup import BeautifulStoneSoup
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import re
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import urllib2
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from urllib2 import HTTPError, URLError
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import os.path
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import logging
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import shutil
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import datetime
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# TODO this could be re-worked to help re-write one of the existing feeds to produce an initial flac feed
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def __repoint():
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""" Iteratest through the feed, re-writing the enclosures. """
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logging.basicConfig(level=logging.INFO,
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format='%(message)s')
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today = datetime.date.today()
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filename = 'cmdln_m4a.xml'
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backup = '%s.%s' % (filename, today.strftime('%Y-%m-%d'))
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shutil.copy(filename, backup)
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f = open(backup)
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o = open(filename, 'w')
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try:
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soup = BeautifulStoneSoup(f)
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enclosures = soup.findAll('enclosure')
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for enclosure in enclosures:
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url = enclosure['url']
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if url.find('archive.org') != -1:
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continue
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title = enclosure.findPreviousSibling('title')
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rewritten = 'http://www.archive.org/download/%s/%s' % (__archive_slug(title.string),
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os.path.basename(url))
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(mime_type, length) = __url_info(rewritten, enclosure['type'], enclosure['length'])
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if mime_type is None:
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print 'Could not find media, %s.' % rewritten
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break
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enclosure['url'] = rewritten
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enclosure['type'] = mime_type
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enclosure['length'] = length
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o.write(str(soup))
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finally:
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f.close()
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o.close()
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def __archive_slug(title):
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paren = title.find('(')
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slug = title[:paren -1]
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slug = re.sub('\([^0-9]\)-\([^0-9]\)', '\1\2', slug)
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slug = re.sub('[^A-Za-z0-9\-]', ' ', slug)
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slug = re.sub(' {2,}', ' ', slug)
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tokens = slug.split(' ')
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tokens = [t.capitalize() for t in tokens]
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slug = ''.join(tokens)
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return slug
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def __url_info(url, mime_type, length):
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try:
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usock = urllib2.urlopen(url)
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if usock.info() is None:
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return (None, None)
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mime_type = usock.info().type
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length = usock.info().get('Content-Length')
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if length is None:
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return (mime_type, None)
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return (mime_type, length)
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except HTTPError, e:
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logging.error('Failed with HTTP status code %d' % e.code)
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return (None, None)
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except URLError, e:
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logging.error('Failed to connect with network.')
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return (None, None)
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if __name__ == "__main__":
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__repoint()
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