"""yahoo.search.term - Term Extraction web services moduleThis module implements the the Term Extraction web service, to extractsignificant words and phrases from a larger context. There is currentlyonly one class implemented, TermExtraction.An application ID (appid) is always required when instantiating a searchobject. Additional parameters are documented in the TermExtraction class.Example:    from yahoo.search.term import TermExtraction    srch = TermExtraction(app_id="YahooDemo", query="Yahoo")    srch.context = "portal news sports mail messenger"    for res in srch.parse_results():       print res"""import typesimport yahoo.searchimport yahoo.search.dom.term__revision__ = "$Id: term.py,v 1.5 2007/02/28 05:20:09 zwoop Exp $"__version__ = "$Revision: 1.5 $"__author__ = "Leif Hedstrom <leif@ogre.com>"__date__ = "Tue Feb 27 14:26:00 MST 2007"## VideoSearch class#class TermExtraction(yahoo.search._Search):    """TermExtraction - Extract words or phrases from a larger content    This class implements the Web Search Spelling Suggestion web service    APIs. The only allowed parameter is:        context      - The context to extract terms from (UTF-8 encoded)        query        - An optional query to help with the extraction                       process        output       - The format for the output result. If json or php is                       requested, the result is not XML parseable, so we                       will simply return the "raw" string.        callback     - The name of the callback function to wrap around                       the JSON data.    The Term Extraction service provides a list of significant words or    phrases extracted from a larger content. It is one of the technologies    used in Y!Q. Full documentation for this service is available at:        http://developer.yahoo.net/content/V1/termExtraction.html    """    NAME = "termExtraction"    SERVICE = "ContentAnalysisService"    METHOD = "POST"    _RESULT_FACTORY = yahoo.search.dom.term.TermExtraction    def _init_valid_params(self):        """Initialize the set of valid parameters."""        self._valid_params.update({            "query" : (types.StringTypes, None, None, None, None, False),            "context" : (types.StringTypes, None, None, None, None, True),            })## local variables:# mode: python# indent-tabs-mode: nil# py-indent-offset: 4# end: