BASE_URL = 'http://sourceforge.net/export/'

def get_url(group_id, info_type):
    if info_type == 'releases':
        filename = 'rss2_projfiles.php?'
    elif info_type == 'news':
        filename = 'rss2_projnews.php?rss_fulltext=1&'
    else:
        raise RuntimeError, "bad info_type: %s" % info_type
    return BASE_URL + filename + ('&group_id=%s' % group_id)


def __main__(group_id, info_type, list_htp, *list_header):
    list_header = ' '.join(list_header)
    url = get_url(group_id, info_type)
    import urllib2
    rssdata = urllib2.urlopen(url)
    data = make_simple_structure(rssdata)
    personalise_data(data, info_type)
    print_out_data(data, list_header, list_htp)

def personalise_data(data, info_type):
    for item in data:
        if info_type == 'news':
            # Strip off the "x comments bit".
            this_text = item['data']
            this_text = this_text[:this_text.rindex(' (')]

            # Remove the first sentence - this should just be a description
            # of what DOPAL is.
            this_text = this_text[this_text.index('.')+1:].strip()

            # Needs to be made generic.
            while this_text.startswith('<br />'):
                this_text = this_text[6:].strip()

            item['data'] = this_text
        elif info_type == 'releases':
            this_text = item['data']

def make_simple_structure(rssdata):
    try:
        import cElementTree as ET
    except ImportError:
        from elementtree import ElementTree as ET

    result = []
    for index, item in enumerate(ET.parse(rssdata).findall('channel/item')):
        this_item = {}
        this_item['index'] = index
        this_item['title'] = item.find('title').text.encode('utf-8')
        this_item['data']  = item.find('description').text.encode('utf-8')
        this_item['link']  = item.find('link').text.encode('utf-8')
        this_item['date']  = item.find('pubDate').text.encode('utf-8')
        result.append(this_item)
    return result

def print_out_data(data, list_header, htp_template):
    # Doesn't work if we include like this, for some reason.
    #
    # Instead, we just put the contents into the output.
    #print '<file template="dopal-list.htt">'
    #print '<set reverse-list="yes" />'
    if list_header is not None:
        print '<set list-header="%s" />' % list_header
    for item in data:
        print '<set list-title%(index)s="%(title)s" />' % item
        print '<block name="list-data%(index)s">' % item
        print '%(data)s' % item
        print '</block>' % item
        print '<set list-link%(index)s="%(link)s" />' % item
        if item['date']:
            print '<set list-date%(index)s="%(date)s" />' % item
    tmpl = open(htp_template)
    print tmpl.read()
    tmpl.close()

if __name__ == '__main__':
    import sys
    __main__(*sys.argv[1:])