# ------------------------------------
# Main
# ------------------------------------
if __name__=="__main__":
args = argParser()
fh = IO.mopen(args.ofname, 'w')
# Parse chromosome region
if args.region:
m = re.search("(\S+):(\S*)-(\S*):(\S*)",args.region)
chrom, start, end, strand = m.groups()
else:
chrom = args.chrom
start = args.start
end = args.end
strand= args.strand
if not chrom:
raise ValueError("chromosome name is required.")
start = int(start) if start else None
end = int(end) if end else None
strand = strand if strand in ["+","-","."] else "+"
# Get seq from Fasta file
fa = FastaFile(args.ifname)
seq = fa.getSeq(chrom,start,end,strand)
fa.close()
# Print result
print >>fh, ">{0}:{1}-{2}:{3}".format(chrom, start and start or "", end and end or "", strand)
print >>fh, seq.formatSeq()
IO.mclose(fh)
# Misc functions
# ------------------------------------
# ------------------------------------
# Classes
# ------------------------------------
# ------------------------------------
# Main
# ------------------------------------
if __name__=="__main__":
# Get parameters
args=argParser()
fh = IO.mopen(args.ofname)
genome=FastaFile(args.genome)
for i,item in enumerate(IO.BioReader(args.ifname,args.ftype)):
try:
strand = item.strand
except:
strand = "+"
seq=genome.getSeq(item.chrom,item.start,item.stop,strand)
if len(seq)>0:
print >> fh, '>'+(item.id!="NONAME" and item.id or "item_"+str(i))
if args.linelength:
seq = seq.formatSeq(args.linelength)
if args.case=='u':
seq=seq.upper()
elif args.case=='l':
seq=seq.lower()
print >> fh, seq
p.add_argument("-n","--names",dest='names',type=str,metavar="names.lst",required=True,help='A file with sequence names. Can be "stdin".')
p.add_argument("-o","--output",dest='ofname',type=str, default="stdout", metavar="output.fa",required=False,help='Output file name. Default is "stdout".')
if len(sys.argv)==1:
sys.exit(p.print_help())
args = p.parse_args()
return args
# ------------------------------------
# Classes
# ------------------------------------
# ------------------------------------
# Main
# ------------------------------------
if __name__=="__main__":
args = argParser()
fh = IO.mopen(args.ofname, 'w')
# Fasta file
fa = FastaFile(args.ifname)
f = IO.mopen(args.names)
for faid in f:
faid=faid.rstrip()
seq=fa.getSeq(faid)
print >> fh, ">"+faid
print >> fh, seq.formatSeq()
fa.close()
IO.mclose(f)
IO.mclose(fh)
