def dedup(args):
"""
%prog dedup scaffolds.fasta
Remove redundant contigs with CD-HIT. This is run prior to
assembly.sspace.embed().
"""
from jcvi.formats.fasta import gaps
from jcvi.apps.cdhit import deduplicate, ids
p = OptionParser(dedup.__doc__)
p.set_align(pctid=GoodPct)
p.set_mingap(default=10)
opts, args = p.parse_args(args)
if len(args) != 1:
sys.exit(not p.print_help())
scaffolds, = args
mingap = opts.mingap
splitfile, oagpfile, cagpfile = gaps(
[scaffolds, "--split", "--mingap={0}".format(mingap)])
dd = splitfile + ".cdhit"
clstrfile = dd + ".clstr"
idsfile = dd + ".ids"
if need_update(splitfile, clstrfile):
deduplicate([splitfile, "--pctid={0}".format(opts.pctid)])
if need_update(clstrfile, idsfile):
ids([clstrfile])
agp = AGP(cagpfile)
reps = set(x.split()[-1] for x in open(idsfile))
pf = scaffolds.rsplit(".", 1)[0]
dedupagp = pf + ".dedup.agp"
fw = open(dedupagp, "w")
ndropped = ndroppedbases = 0
for a in agp:
if not a.is_gap and a.component_id not in reps:
span = a.component_span
logging.debug("Drop component {0} ({1})".\
format(a.component_id, span))
ndropped += 1
ndroppedbases += span
continue
print >> fw, a
fw.close()
logging.debug("Dropped components: {0}, Dropped bases: {1}".\
format(ndropped, ndroppedbases))
logging.debug("Deduplicated file written to `{0}`.".format(dedupagp))
tidyagp = tidy([dedupagp, splitfile])
dedupfasta = pf + ".dedup.fasta"
build([tidyagp, dd, dedupfasta])
return dedupfasta
def dedup(args):
"""
%prog dedup scaffolds.fasta
Remove redundant contigs with CD-HIT. This is run prior to
assembly.sspace.embed().
"""
from jcvi.formats.fasta import gaps
from jcvi.apps.cdhit import deduplicate, ids
p = OptionParser(dedup.__doc__)
p.set_align(pctid=GoodPct)
p.set_mingap(default=10)
opts, args = p.parse_args(args)
if len(args) != 1:
sys.exit(not p.print_help())
scaffolds, = args
mingap = opts.mingap
splitfile, oagpfile, cagpfile = gaps([scaffolds, "--split", "--mingap={0}".format(mingap)])
dd = splitfile + ".cdhit"
clstrfile = dd + ".clstr"
idsfile = dd + ".ids"
if need_update(splitfile, clstrfile):
deduplicate([splitfile, "--pctid={0}".format(opts.pctid)])
if need_update(clstrfile, idsfile):
ids([clstrfile])
agp = AGP(cagpfile)
reps = set(x.split()[-1] for x in open(idsfile))
pf = scaffolds.rsplit(".", 1)[0]
dedupagp = pf + ".dedup.agp"
fw = open(dedupagp, "w")
ndropped = ndroppedbases = 0
for a in agp:
if not a.is_gap and a.component_id not in reps:
span = a.component_span
logging.debug("Drop component {0} ({1})".\
format(a.component_id, span))
ndropped += 1
ndroppedbases += span
continue
print >> fw, a
fw.close()
logging.debug("Dropped components: {0}, Dropped bases: {1}".\
format(ndropped, ndroppedbases))
logging.debug("Deduplicated file written to `{0}`.".format(dedupagp))
tidyagp = tidy([dedupagp, splitfile])
dedupfasta = pf + ".dedup.fasta"
build([tidyagp, dd, dedupfasta])
return dedupfasta