FRMT.py

#!/usr/bin/env python
# Copyright (C) 2017 Greenweaves Software Pty Ltd

# This is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This software is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>

from Bio import Entrez,SeqIO
inputs = 'JN698988 NM_001271262 JN573266 JQ342169 NM_001133698 JX462669 NM_204821 BT149867 JX472277'

Entrez.email = "simon@greenweaves.nz"
handle = Entrez.efetch(db="nucleotide", id=[inputs.replace(' ',', ')], rettype="fasta")
records = list (SeqIO.parse(handle, "fasta"))
best=None
first=True
for record in records:
    if first or len(record)<len(best):
        best = record
        first = False
print(best.format("fasta"))