gistfile1.py

    def walkHSP(self, hsp):
        """
        Provide information about exactly how a read matches a subject, as
        specified by C{hsp}.

        @return: A generator that yields (offset, residue, inMatch) tuples.
            The offset is the offset into the matched subject. The residue is
            the base in the read (which might be '-' to indicate a gap in the
            read was aligned with the subject at this offset). inMatch will be
            C{True} for residues that are part of the HSP match, and C{False}
            for the (possibly non-existent) parts of the read that fall outside
            the HSP (aka, the "whiskers" in an alignment graph).
        """