[Biopython-dev] [Bug 2386] Bio.Seq.Seq and MutableSeq count() method only works for single residues

[bugzilla-daemon at portal.open-bio.org]

http://bugzilla.open-bio.org/show_bug.cgi?id=2386





------- Comment #5 from biopython-bugzilla at maubp.freeserve.co.uk  2007-10-30 15:33 EST -------
Adding .upper() and .lower() methods is on my mental todo list, just a bit
lower down the my priorities than the .count() method (this bug) and biological
methods covered on bug 2381.

One of us should file an enhancement bug for .upper() and .lower()

I agree they are needed to make the Seq object more string like.  However the
implementation is non-trivial due to the alphabet object (which may define a
case sensitive list of expected letters).

And yes, once these methods are supported then doing
my_seq.upper().count("ATG") would work fine.


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