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TranslateFasta
executable file
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/
TranslateFasta
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# vim:fileencoding=utf-8
"""
TRANSLATE FASTA
James B. Pease
"""
import os
import sys
import argparse
from mixcore import fasta_iter, translate
_LICENSE = """
http://www.github.org/jbpease/mixtape
MixTAPE: Mix of Tools for Analysis in Phylogenetics and Evolution
This file is part of MixTAPE.
MixTAPE 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.
MixTAPE 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 MixTAPE. If not, see <http://www.gnu.org/licenses/>.
"""
def generate_argparser():
parser = argparse.ArgumentParser(
description=__doc__,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
epilog=_LICENSE)
parser.add_argument('fasta', type=os.path.abspath,
help="input fasta file")
parser.add_argument('--out', type=os.path.abspath,
default=sys.stdout, help="output fasta file")
parser.add_argument("--dealign", action="store_true",
help="remove gaps prior to translation")
parser.add_argument("--mask-stop", action="store_true",
help="mask-stop codon with an X")
parser.add_argument("--remove-stop", action="store_true",
help="truncate stop codons")
return parser
def main(arguments=None):
arguments = arguments if arguments is not None else sys.argv[1:]
parser = generate_argparser()
args = parser.parse_args(args=arguments)
for hdr, seq in fasta_iter(args.fasta):
if args.dealign:
seq = seq.replace("-", "")
print(">{}\n{}".format(hdr, translate(seq, remove_stop=args.remove_stop,
mask_stop=args.mask_stop)))
return ''
if __name__ == '__main__':
main()