IBP banding data system: Internal maintenance specification

There are three principal cases. If self.target contains four letters, we search for a 4-letter code. If it contains six letters, we search for a 6-letter code. Otherwise we treat it as a regular expression and search English names. See Section 17.4, “SpeciesSearcher.run4(): Four-letter code search”, Section 17.5, “SpeciesSearcher.run6()”, and Section 17.6, “SpeciesSearcher.runEng()”.

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    def run ( self ):
        """Execute a search.
        """
        m  =  self.FOUR_LETTER_PAT.match ( self.target )
        if  m:
            self.run4()
        else:
            m  =  self.SIX_LETTER_PAT.match ( self.target )
            if  m:
                self.run6()
            else:
                self.runEng()