?? news.py
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"""DOM parser for News search resultsImplement a simple DOM parser for the Yahoo Search Web Servicesnews search APIs."""__revision__ = "$Id: news.py,v 1.2 2005/10/27 02:59:15 zwoop Exp $"__version__ = "$Revision: 1.2 $"__author__ = "Leif Hedstrom <leif@ogre.com>"__date__ = "Wed Oct 26 15:02:17 PDT 2005"from yahoo.search import dom## News Search DOM parser#class NewsSearch(dom.DOMResultParser): """NewsSearch - DOM parser for News Search Each result is a dictionary populated with the extracted data from the XML results. The following keys are always available: Title - Title of the article. Summary - Summary of the text associated with the article. Url - The URL for the article. ClickUrl - The URL for linking to the article. NewsSource - The company that distributed the news article. NewsSourceUrl - The URL for the news source. Language - Language of the News article. PubslishDate - Publish date of the article. The following attributes are optional, and might not be set: ModificationDate - Date entry was modified. Thumbnail - The URL of the thumbnail file. If present, the Thumbnail value is in turn another dictionary, which will have these keys: Url - URL of the thumbnail. Height - Height of the thumbnail in pixels (optional). Width - Width of the thumbnail in pixels (optional). """ def _init_res_fields(self): """Initialize the valid result fields.""" super(NewsSearch, self)._init_res_fields() self._res_fields.extend((('NewsSource', None, None), ('NewsSourceUrl', None, None), ('Language', None, None), ('PublishDate', None, None), ('ModificationDate', "", None))) def _parse_result(self, result): """Internal method to parse one Result node""" res = super(NewsSearch, self)._parse_result(result) node = result.getElementsByTagName('Thumbnail') if node: res['Thumbnail'] = self._tags_to_dict(node[0], (('Url', None, None), ('Height', 0, int), ('Width', 0, int))) else: res['Thumbnail'] = None return res## local variables:# mode: python# indent-tabs-mode: nil# py-indent-offset: 4# end:
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