def subset_fasta():
parser = make_arg_parser()
args = parser.parse_args()
with open(args.input) as inf:
fasta = FASTA(inf)
num_reads = sum(1 for i in fasta.read())
with open(args.input) as inf:
fasta = FASTA(inf)
fasta_gen = fasta.read()
filtered_fasta_gen = filter_fasta(fasta_gen, num_reads, args.keep)
with open(args.output, 'w') if args.output else sys.stdout as outf:
for title, data in filtered_fasta_gen:
outf.write('>%s\n%s\n' % (title, data))
def subset_fasta():
parser = make_arg_parser()
args = parser.parse_args()
with open(args.input) as inf:
fasta = FASTA(inf)
num_reads = sum(1 for i in fasta.read())
with open(args.input) as inf:
fasta = FASTA(inf)
fasta_gen = fasta.read()
filtered_fasta_gen = filter_fasta(fasta_gen, num_reads, args.keep)
with open(args.output, 'w') if args.output else sys.stdout as outf:
for title, data in filtered_fasta_gen:
outf.write('>%s\n%s\n' % (title, data))
def shogun_bt2_db(input, output, annotater, extract_id, prefixes, depth, depth_force):
verify_make_dir(output)
# Verify the FASTA is annotated
if input == '-':
output_fn = 'stdin'
else:
output_fn = '.'.join(str(os.path.basename(input)).split('.')[:-1])
outf_fasta = os.path.join(output, output_fn + '.annotated.fna')
outf_map = os.path.join(output, output_fn + '.annotated.map')
if not os.path.isfile(outf_fasta) or not os.path.isfile(outf_map):
tree = NCBITree()
db = RefSeqDatabase()
if annotater == 'refseq':
annotater_class = RefSeqAnnotater(extract_id, prefixes, db, tree, depth=depth, depth_force=depth_force)
elif annotater == 'nt':
annotater_class = NTAnnotater(extract_id, prefixes, db, tree, depth=depth, depth_force=depth_force)
else:
annotater_class = GIAnnotater(extract_id, db, tree, depth=depth, depth_force=depth_force)
with open(outf_fasta, 'w') as output_fna:
with open(outf_map, 'w') as output_map:
with open(input) as inf:
inf_fasta = FASTA(inf)
for lines_fna, lines_map in annotater_class.annotate(inf_fasta.read()):
output_fna.write(lines_fna)
output_map.write(lines_map)
else:
print("Found the output files \"%s\" and \"%s\". Skipping the annotation phase for this file." % (
outf_fasta, outf_map))
# Build the output BT2 database
verify_make_dir(os.path.join(output, 'bt2'))
print(bowtie2_build(outf_fasta, os.path.join(output, 'bt2', output_fn)))
def main():
parser = make_arg_parser()
args = parser.parse_args()
db = RefSeqDatabase()
nt = NCBITree()
# parse command line
with open(args.input, 'r') if args.input != '-' else sys.stdin as inf:
fasta_gen = FASTA(inf)
assembly_version = os.path.basename(args.input).split('_genomic')[0]
with open(args.output, 'w') if args.output != '-' else sys.stdout as outf:
for header, sequence in fasta_gen.read():
if '.cluster' in header:
header = header.replace('.cluster','_cluster')
else:
pass
ncbi_tid = db.get_ncbi_tid_from_refseq_accession_version(header.split('_cluster')[0])
if ncbi_tid:
ncbi_tid = ncbi_tid[0]
organism = nt.gg_lineage(ncbi_tid)
# genus_species = organism.split(';')[-1]
# genus_species = genus_species.replace('s__','')
outf.write('>ncbi_tid|%d|ref|%s|organism|%s|\n' % (ncbi_tid, header, organism))
outf.write(sequence+'\n')
else:
outf.write('>ref|%s|\n' % (header))
outf.write(sequence+'\n')
def main():
parser = make_arg_parser()
args = parser.parse_args()
db = RefSeqDatabase()
nt = NCBITree()
# parse command line
with open(args.input, 'r') if args.input != '-' else sys.stdin as inf:
fasta_gen = FASTA(inf)
assembly_version = os.path.basename(args.input).split('_genomic')[0]
with open(args.output, 'w') if args.output != '-' else sys.stdout as outf:
for header, sequence in fasta_gen.read():
if '.cluster' in header:
header = header.replace('.cluster','_cluster')
else:
pass
ncbi_tid = db.get_ncbi_tid_from_refseq_accession_version(header.split('_cluster')[0])
if ncbi_tid:
ncbi_tid = ncbi_tid[0]
organism = nt.gg_lineage(ncbi_tid)
genus_species = organism.split(';')[-1]
genus_species = genus_species.replace('s__','')
outf.write('>ncbi_tid|%d|ref|%s|organism|%s|\n' % (ncbi_tid, header, genus_species))
outf.write(sequence+'\n')
else:
outf.write('>ref|%s|\n' % (header))
outf.write(sequence+'\n')
def extract_genome_lengths(input, map, output):
d = defaultdict(int)
inf_fasta = FASTA(input)
for header, seq in inf_fasta.read():
map_line = next(map).rstrip().split('\t')[1].replace('; ', ';')
d[map_line] += len(seq)
for key, value in d.items():
output.write('%s\t%s\n' % (key, value))
def extract_genome_lengths(input, map, output):
d = defaultdict(int)
inf_fasta = FASTA(input)
for header, seq in inf_fasta.read():
map_line = next(map).rstrip().split('\t')[1].replace('; ', ';')
d[map_line] += len(seq)
for key, value in d.items():
output.write('%s\t%s\n' % (key, value))
def filter_dusted_fasta(input, threshold, output):
fasta_gen = FASTA(input)
for title, seq in fasta_gen.read():
seq = re.sub('[^A-Z]', 'N', seq)
hits = sum(1.0 for i in seq if not i == 'N')
if len(seq) and hits and hits/len(seq) > threshold:
output.write('>%s\n' % title)
output.write('%s\n' % re.sub('[^A-Z]', 'N', seq))
def filter_dusted_fasta(input, threshold, output):
fasta_gen = FASTA(input)
for title, seq in fasta_gen.read():
seq = re.sub('[^A-Z]', 'N', seq)
hits = sum(1.0 for i in seq if not i == 'N')
if len(seq) and hits and hits / len(seq) > threshold:
output.write('>%s\n' % title)
output.write('%s\n' % re.sub('[^A-Z]', 'N', seq))
def compile_ofu_dnasequences(inf_d, bgc, dna_outf):
fasta_gen = FASTA(inf_d)
bgc = str(bgc)
for header, sequence in fasta_gen.read():
if '.cluster' in header:
header = header.replace('.cluster', '_cluster')
if bgc in header:
dna_outf.write(''.join(['>', header, '\n']))
dna_outf.write(''.join([sequence, '\n']))
return dna_outf
def compile_ofu_sequences(inf_m, bgc, aa_outf):
mpfa_gen = FASTA(inf_m)
bgc = str(bgc)
for header, sequence in mpfa_gen.read():
if '.cluster' in header:
header = header.replace('.cluster', '_cluster')
if bgc in header:
aa_outf.write(''.join(['>', header, '\n']))
aa_outf.write(''.join([sequence, '\n']))
return aa_outf
def cmd_open_fasta(fastas):
"""Loads one or FASTA files for processing.
"""
for fasta in fastas:
try:
click.echo('Opening "%s"' % fasta)
file_handle = click.open_file(fasta)
inf_fasta = FASTA(file_handle)
yield inf_fasta.read()
except Exception as e:
click.echo('Could not open FASTA "%s": %s' % (fasta, e), err=True)
def shogun_bt2_db(input, output, annotater, extract_id, prefixes, depth,
depth_force):
verify_make_dir(output)
# Verify the FASTA is annotated
if input == '-':
output_fn = 'stdin'
else:
output_fn = '.'.join(str(os.path.basename(input)).split('.')[:-1])
outf_fasta = os.path.join(output, output_fn + '.annotated.fna')
outf_map = os.path.join(output, output_fn + '.annotated.map')
if not os.path.isfile(outf_fasta) or not os.path.isfile(outf_map):
tree = NCBITree()
db = RefSeqDatabase()
if annotater == 'refseq':
annotater_class = RefSeqAnnotater(extract_id,
prefixes,
db,
tree,
depth=depth,
depth_force=depth_force)
elif annotater == 'nt':
annotater_class = NTAnnotater(extract_id,
prefixes,
db,
tree,
depth=depth,
depth_force=depth_force)
else:
annotater_class = GIAnnotater(extract_id,
db,
tree,
depth=depth,
depth_force=depth_force)
with open(outf_fasta, 'w') as output_fna:
with open(outf_map, 'w') as output_map:
with open(input) as inf:
inf_fasta = FASTA(inf)
for lines_fna, lines_map in annotater_class.annotate(
inf_fasta.read()):
output_fna.write(lines_fna)
output_map.write(lines_map)
else:
print(
"Found the output files \"%s\" and \"%s\". Skipping the annotation phase for this file."
% (outf_fasta, outf_map))
# Build the output BT2 database
verify_make_dir(os.path.join(output, 'bt2'))
print(bowtie2_build(outf_fasta, os.path.join(output, 'bt2', output_fn)))
def build_cluster_map(inf, bread='ref|,|'):
begin, end = bread.split(',')
cluster_map = defaultdict(set)
fasta_gen = FASTA(inf)
for header, sequence in fasta_gen.read():
if '.cluster' in header:
header = header.replace('.cluster', '_cluster')
ref = find_between(header, begin, end)
header_split = ref.split('_')
key = '_'.join(header_split[:3])
value = '_'.join(header_split[-2:])
cluster_map[key].add(value)
return cluster_map
def build_cluster_map(inf, bread='ref|,|'):
begin,end = bread.split(',')
cluster_map = defaultdict(set)
fasta_gen = FASTA(inf)
for header, sequence in fasta_gen.read():
if '.cluster' in header:
header = header.replace('.cluster','_cluster')
ref = find_between(header, begin, end)
header_split = ref.split('_')
key = '_'.join(header_split[:3])
value = header_split[-1]
cluster_map[key].add(value)
return cluster_map
def compile_files(outpath):
protein_seqs = os.path.join(outpath, 'asDB_protein_seqs.mpfa')
dna_seqs = os.path.join(outpath, 'asDB_dna_seqs.fna')
with open(protein_seqs, 'w') as aa_outfile:
for aafile in os.listdir(os.path.join(outpath, 'antismash_db_protein_seqs')):
aafile = os.path.join(outpath, 'antismash_db_protein_seqs', aafile)
with open(aafile, 'r') as aa_in:
fasta_gen = FASTA(aa_in)
for header, sequence in fasta_gen.read():
aa_outfile.write('>' + header + '\n')
aa_outfile.write(sequence + '\n')
aa_outfile.close()
with open(dna_seqs, 'w') as dna_outfile:
for dnafile in os.listdir(os.path.join(outpath, 'antismash_db_dna_seqs')):
dnafile = os.path.join(outpath, 'antismash_db_dna_seqs', dnafile)
with open(dnafile, 'r') as dna_in:
fasta_gen = FASTA(dna_in)
for header, sequence in fasta_gen.read():
dna_outfile.write('>' + header + '\n')
dna_outfile.write(sequence + '\n')
dna_outfile.close()
return None
def main():
parser = make_arg_parser()
args = parser.parse_args()
db = RefSeqDatabase()
# parse command line
with open(args.input, 'r') if args.input != '-' else sys.stdin as inf:
fasta_gen = FASTA(inf)
assembly_version = os.path.basename(args.input).split('_genomic')[0]
with open(args.output, 'w') if args.output != '-' else sys.stdout as outf:
for header, sequence in fasta_gen.read():
ncbi_tid = db.get_ncbi_tid_from_refseq_accession_version(header.split()[0])[0]
outf.write('>ncbi_tid|%d|assembly|%s|ref|%s\n' % (ncbi_tid, assembly_version, header))
outf.write(sequence+'\n')
def main():
parser = make_arg_parser()
args = parser.parse_args()
db = RefSeqDatabase()
# parse command line
with open(args.input, 'r') if args.input != '-' else sys.stdin as inf:
fasta_gen = FASTA(inf)
assembly_version = os.path.basename(args.input).split('_genomic')[0]
with open(args.output,
'w') if args.output != '-' else sys.stdout as outf:
for header, sequence in fasta_gen.read():
ncbi_tid = db.get_ncbi_tid_from_refseq_accession_version(
header.split()[0])[0]
outf.write('>ncbi_tid|%d|assembly|%s|ref|%s\n' %
(ncbi_tid, assembly_version, header))
outf.write(sequence + '\n')
def pluckify_mibig(inf, outaa, gbk_dd):
mibig_orig = FASTA(inf)
for header, sequence in mibig_orig.read():
m_head = header.split('|')
# print(m_head)
bgc_id = m_head[0]
bgc_info = gbk_dd[bgc_id]
# print(bgc_info)
bgc_tid = bgc_info[0]
if bgc_tid == 'None':
continue
bgc_bug = bgc_info[1]
outaa.write('>' + 'ncbi_tid|' + str(bgc_tid) + '|mibig|' + bgc_id +
'.1_cluster001' + '_' + m_head[1] + '_' + m_head[2] +
'|genbank|' + m_head[6] + '|organism|' + bgc_bug + '\n')
outaa.write(sequence + '\n')
return None
def shogun_utree_db(input, output, annotater, extract_id, threads, prefixes, depth, depth_force):
verify_make_dir(output)
# Verify the FASTA is annotated
if input == '-':
output_fn = 'stdin'
else:
output_fn = '.'.join(str(os.path.basename(input)).split('.')[:-1])
outf_fasta = os.path.join(output, output_fn + '.annotated.fna')
outf_map = os.path.join(output, output_fn + '.annotated.map')
if not os.path.isfile(outf_fasta) or not os.path.isfile(outf_map):
tree = NCBITree()
db = RefSeqDatabase()
if annotater == 'refseq':
annotater_class = RefSeqAnnotater(extract_id, prefixes, db, tree, depth=depth, depth_force=depth_force)
elif annotater == 'nt':
annotater_class = NTAnnotater(extract_id, prefixes, db, tree, depth=depth, depth_force=depth_force)
elif annotater == 'ncbi':
annotater_class = NCBIAnnotater(extract_id, tree, depth=depth, depth_force=depth_force)
else:
annotater_class = GIAnnotater(extract_id, db, tree, depth=depth, depth_force=depth_force)
with open(outf_fasta, 'w') as output_fna:
with open(outf_map, 'w') as output_map:
with open(input) as inf:
inf_fasta = FASTA(inf)
for lines_fna, lines_map in annotater_class.annotate(inf_fasta.read()):
output_fna.write(lines_fna)
output_map.write(lines_map)
else:
print("Found the output files \"%s\" and \"%s\". Skipping the annotation phase for this file." % (
outf_fasta, outf_map))
# Build the output CTR
verify_make_dir(os.path.join(output, 'utree'))
path_uncompressed_tree = os.path.join(output, 'utree', output_fn + '.utr')
path_compressed_tree = os.path.join(output, 'utree', output_fn + '.ctr')
if os.path.exists(path_compressed_tree):
print('Compressed tree database file %s exists, skipping this step.' % path_compressed_tree)
else:
if not os.path.exists(path_uncompressed_tree):
print(utree_build(outf_fasta, outf_map, path_uncompressed_tree, threads=threads))
print(utree_compress(path_uncompressed_tree, path_compressed_tree))
os.remove(path_uncompressed_tree)
def shogun_utree_db(input, output, annotater, extract_id, threads, prefixes, depth, depth_force):
verify_make_dir(output)
# Verify the FASTA is annotated
if input == '-':
output_fn = 'stdin'
else:
output_fn = '.'.join(str(os.path.basename(input)).split('.')[:-1])
outf_fasta = os.path.join(output, output_fn + '.annotated.fna')
outf_map = os.path.join(output, output_fn + '.annotated.map')
if not os.path.isfile(outf_fasta) or not os.path.isfile(outf_map):
tree = NCBITree()
db = RefSeqDatabase()
if annotater == 'refseq':
annotater_class = RefSeqAnnotater(extract_id, prefixes, db, tree, depth=depth, depth_force=depth_force)
elif annotater == 'nt':
annotater_class = NTAnnotater(extract_id, prefixes, db, tree, depth=depth, depth_force=depth_force)
else:
annotater_class = GIAnnotater(extract_id, db, tree, depth=depth, depth_force=depth_force)
with open(outf_fasta, 'w') as output_fna:
with open(outf_map, 'w') as output_map:
with open(input) as inf:
inf_fasta = FASTA(inf)
for lines_fna, lines_map in annotater_class.annotate(inf_fasta.read()):
output_fna.write(lines_fna)
output_map.write(lines_map)
else:
print("Found the output files \"%s\" and \"%s\". Skipping the annotation phase for this file." % (
outf_fasta, outf_map))
# Build the output CTR
verify_make_dir(os.path.join(output, 'utree'))
path_uncompressed_tree = os.path.join(output, 'utree', output_fn + '.utr')
path_compressed_tree = os.path.join(output, 'utree', output_fn + '.ctr')
if os.path.exists(path_compressed_tree):
print('Compressed tree database file %s exists, skipping this step.' % path_compressed_tree)
else:
if not os.path.exists(path_uncompressed_tree):
print(utree_build(outf_fasta, outf_map, path_uncompressed_tree, threads=threads))
print(utree_compress(path_uncompressed_tree, path_compressed_tree))
os.remove(path_uncompressed_tree)
def refseq_annotate(input, output, extract_refseq_id, prefixes):
db = RefSeqDatabase()
# check for the glob prefix
prefixes = prefixes.split(',')
begin, end = extract_refseq_id.split(',')
if '*' in prefixes:
prefix_set = set([_ for _ in db.refseq_prefix_mapper.keys()])
else:
prefix_set = set([_ for _ in prefixes])
inf_fasta = FASTA(input)
for title, seq in inf_fasta.read():
title = '>' + title
refseq_accession_version = find_between(title, begin, end)
if refseq_accession_version[:2] in prefix_set:
ncbi_tid = db.get_ncbi_tid_from_refseq_accession_version(refseq_accession_version)
if ncbi_tid:
title = '>ncbi_tid|%d|%s' % (ncbi_tid[0], title[1:])
output.write('%s\n%s\n' % (title, seq))
def annotate_fasta(input, output, extract_refseq_id, prefixes, depth,
depth_force):
verify_make_dir(output)
if input == '-':
output_fn = 'stdin'
else:
output_fn = '.'.join(str(os.path.basename(input)).split('.')[:-1])
with open(input, 'r') if input != '-' else sys.stdin as inf:
with open(os.path.join(output, output_fn + '.annotated.fna'),
'w') as output_fna:
with open(os.path.join(output, output_fn + '.annotated.map'),
'w') as output_map:
inf_fasta = FASTA(inf)
annotater = refseq_annotater(inf_fasta.read(),
prefixes,
extract_refseq_id,
depth=depth,
depth_force=depth_force)
for lines_fna, lines_map in annotater:
output_fna.write(lines_fna)
output_map.write(lines_map)
def refseq_annotate(input, output, extract_refseq_id, prefixes):
db = RefSeqDatabase()
# check for the glob prefix
prefixes = prefixes.split(',')
begin, end = extract_refseq_id.split(',')
if '*' in prefixes:
prefix_set = set([_ for _ in db.refseq_prefix_mapper.keys()])
else:
prefix_set = set([_ for _ in prefixes])
inf_fasta = FASTA(input)
for title, seq in inf_fasta.read():
title = '>' + title
refseq_accession_version = find_between(title, begin, end)
if refseq_accession_version[:2] in prefix_set:
ncbi_tid = db.get_ncbi_tid_from_refseq_accession_version(
refseq_accession_version)
if ncbi_tid:
title = '>ncbi_tid|%d|%s' % (ncbi_tid[0], title[1:])
output.write('%s\n%s\n' % (title, seq))
def soft_mask2hard_mask(input, output):
fasta_gen = FASTA(input)
for title, seq in fasta_gen.read():
output.write('>%s\n' % title)
output.write('%s\n' % re.sub('[^A-Z]', 'N', seq))
def soft_mask2hard_mask(input, output):
fasta_gen = FASTA(input)
for title, seq in fasta_gen.read():
output.write('>%s\n' % title)
output.write('%s\n' % re.sub('[^A-Z]', 'N', seq))
#!/usr/bin/env python
import ipdb
from ninja_utils.parsers import FASTA
import csv
accession2taxid = dict()
with open(snakemake.input.mapping) as inf:
csv_inf = csv.reader(inf, delimiter='\t')
next(csv_inf)
for line in csv_inf:
accession2taxid[line[0]] = line[1]
with open(snakemake.output[0], 'w') as outf:
with open(snakemake.input.fasta[0]) as inf:
parser = FASTA(inf)
for title, seq in parser.read():
rowname = title.split(".")[0]
if rowname in accession2taxid:
taxid = accession2taxid[rowname]
outf.write('>%s|kraken:taxid|%s\n%s\n' % (title, taxid, seq))