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Viewing changes to MoinMoin/action/rss_rc.py

  • Committer: Bazaar Package Importer
  • Author(s): Jonas Smedegaard
  • Date: 2008-06-22 21:17:13 UTC
  • mto: This revision was merged to the branch mainline in revision 18.
  • Revision ID: james.westby@ubuntu.com-20080622211713-inlv5k4eifxckelr
Import upstream version 1.7.0

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MoinMoin/action/rss_rc.py
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    """ Send recent changes as an RSS document
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    """
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    if not wikixml.ok:
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        request.mimetype = 'text/plain'
 
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        httpheaders = ["Content-Type: text/plain; charset=%s" % config.charset]
 
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        request.emit_http_headers(httpheaders)
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        request.write("rss_rc action is not supported because of missing pyxml module.")
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        return
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    # get params
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    items_limit = 100
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    try:
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        max_items = int(request.values['items'])
 
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        max_items = int(request.form['items'][0])
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        max_items = min(max_items, items_limit) # not more than `items_limit`
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    except (KeyError, ValueError):
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        # not more than 15 items in a RSS file by default
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        max_items = 15
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    try:
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        unique = int(request.values.get('unique', 0))
 
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        unique = int(request.form.get('unique', [0])[0])
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    except ValueError:
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        unique = 0
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    try:
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        diffs = int(request.values.get('diffs', 0))
 
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        diffs = int(request.form.get('diffs', [0])[0])
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    except ValueError:
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        diffs = 0
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    ## ddiffs inserted by Ralf Zosel <ralf@zosel.com>, 04.12.2003
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    try:
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        ddiffs = int(request.values.get('ddiffs', 0))
 
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        ddiffs = int(request.form.get('ddiffs', [0])[0])
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    except ValueError:
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        ddiffs = 0
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    if request.if_modified_since == timestamp:
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        if request.if_none_match:
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            if request.if_none_match == etag:
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                request.status_code = 304
 
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                request.emit_http_headers(["Status: 304 Not modified"])
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        else:
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            request.status_code = 304
 
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            request.emit_http_headers(["Status: 304 Not modified"])
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    elif request.if_none_match == etag:
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        if request.if_modified_since:
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            if request.if_modified_since == timestamp:
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                request.status_code = 304
 
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                request.emit_http_headers(["Status: 304 Not modified"])
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        else:
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            request.status_code = 304
 
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            request.emit_http_headers(["Status: 304 Not modified"])
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    else:
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        # generate an Expires header, using whatever setting the admin
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        # defined for suggested cache lifetime of the RecentChanges RSS doc
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        expires = time.time() + cfg.rss_cache
 
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        expires = timefuncs.formathttpdate(time.time() + cfg.rss_cache)
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        request.mimetype = 'application/rss+xml'
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        request.expires = expires
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        request.last_modified = lastmod
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        request.headers['Etag'] = etag
 
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        httpheaders = ["Content-Type: text/xml; charset=%s" % config.charset,
 
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                       "Expires: %s" % expires,
 
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                       "Last-Modified: %s" % timestamp,
 
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                       "Etag: %s" % etag, ]
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        # send the generated XML document
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        baseurl = request.url_root
 
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        request.emit_http_headers(httpheaders)
 
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        baseurl = request.getBaseURL()
 
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        if not baseurl.endswith('/'):
 
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            baseurl += '/'
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        logo = re.search(r'src="([^"]*)"', cfg.logo_string)
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        if logo:
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        # emit channel description
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        handler.startNode('channel', {
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            (handler.xmlns['rdf'], 'about'): request.url_root,
 
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            (handler.xmlns['rdf'], 'about'): request.getBaseURL(),
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            })
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        handler.simpleNode('title', cfg.sitename)
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        page = Page(request, pagename)