Mercurial > repos > iuc > meme_psp_gen
diff fimo_wrapper.py @ 0:a0fa4efeeee3 draft
planemo upload for repository https://github.com/galaxyproject/tools-iuc/tree/master/tools/meme commit 3f116ddc83447056068573320c148a9bfca9aa2e
author | iuc |
---|---|
date | Wed, 23 Aug 2017 20:57:34 -0400 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fimo_wrapper.py Wed Aug 23 20:57:34 2017 -0400 @@ -0,0 +1,194 @@ +#!/usr/bin/env python +import argparse +import os +import shutil +import string +import subprocess +import sys +import tempfile + +BUFFSIZE = 1048576 +# Translation table for reverse Complement, with ambiguity codes. +DNA_COMPLEMENT = string.maketrans("ACGTRYKMBDHVacgtrykmbdhv", "TGCAYRMKVHDBtgcayrmkvhdb") + + +def get_stderr(tmp_stderr): + tmp_stderr.seek(0) + stderr = '' + try: + while True: + stderr += tmp_stderr.read(BUFFSIZE) + if not stderr or len(stderr) % BUFFSIZE != 0: + break + except OverflowError: + pass + return stderr + + +def reverse(sequence): + # Reverse sequence string. + return sequence[::-1] + + +def dna_complement(sequence): + # Complement DNA sequence string. + return sequence.translate(DNA_COMPLEMENT) + + +def dna_reverse_complement(sequence): + # Returns the reverse complement of the sequence. + sequence = reverse(sequence) + return dna_complement(sequence) + + +def stop_err(msg): + sys.stderr.write(msg) + sys.exit(1) + + +parser = argparse.ArgumentParser() +parser.add_argument('--input_motifs', dest='input_motifs', help='MEME output formatted files for input to fimo') +parser.add_argument('--input_fasta', dest='input_fasta', help='Fassta sequence file') +parser.add_argument('--options_type', dest='options_type', help='Basic or Advance options') +parser.add_argument('--input_psp', dest='input_psp', default=None, help='File containing position specific priors') +parser.add_argument('--input_prior_dist', dest='input_prior_dist', default=None, help='File containing binned distribution of priors') +parser.add_argument('--alpha', dest='alpha', type=float, default=1.0, help='The alpha parameter for calculating position specific priors') +parser.add_argument('--bgfile', dest='bgfile', default=None, help='Background file type, used only if not "default"') +parser.add_argument('--max_strand', action='store_true', help='If matches on both strands at a given position satisfy the output threshold, only report the match for the strand with the higher score') +parser.add_argument('--max_stored_scores', dest='max_stored_scores', type=int, help='Maximum score count to store') +parser.add_argument('--motif', dest='motifs', action='append', default=[], help='Specify motif by id') +parser.add_argument('--output_separate_motifs', dest='output_separate_motifs', default='no', help='Output one dataset per motif') +parser.add_argument('--motif_pseudo', dest='motif_pseudo', type=float, default=0.1, help='Pseudocount to add to counts in motif matrix') +parser.add_argument('--no_qvalue', action='store_true', help='Do not compute a q-value for each p-value') +parser.add_argument('--norc', action='store_true', help='Do not score the reverse complement DNA strand') +parser.add_argument('--output_path', dest='output_path', help='Output files directory') +parser.add_argument('--parse_genomic_coord', dest='parse_genomic_coord', default='no', help='Check each sequence header for UCSC style genomic coordinates') +parser.add_argument('--remove_duplicate_coords', dest='remove_duplicate_coords', default='no', help='Remove duplicate entries in unique GFF coordinates') +parser.add_argument('--qv_thresh', action='store_true', help='Use q-values for the output threshold') +parser.add_argument('--thresh', dest='thresh', type=float, help='p-value threshold') +parser.add_argument('--gff_output', dest='gff_output', help='Gff output file') +parser.add_argument('--html_output', dest='html_output', help='HTML output file') +parser.add_argument('--interval_output', dest='interval_output', help='Interval output file') +parser.add_argument('--txt_output', dest='txt_output', help='Text output file') +parser.add_argument('--xml_output', dest='xml_output', help='XML output file') +args = parser.parse_args() + +fimo_cmd_list = ['fimo'] +if args.options_type == 'advanced': + fimo_cmd_list.append('--alpha %4f' % args.alpha) + if args.bgfile is not None: + fimo_cmd_list.append('--bgfile "%s"' % args.bgfile) + if args.max_strand: + fimo_cmd_list.append('--max-strand') + fimo_cmd_list.append('--max-stored-scores %d' % args.max_stored_scores) + if len(args.motifs) > 0: + for motif in args.motifs: + fimo_cmd_list.append('--motif "%s"' % motif) + fimo_cmd_list.append('--motif-pseudo %4f' % args.motif_pseudo) + if args.no_qvalue: + fimo_cmd_list.append('--no-qvalue') + if args.norc: + fimo_cmd_list.append('--norc') + if args.parse_genomic_coord == 'yes': + fimo_cmd_list.append('--parse-genomic-coord') + if args.qv_thresh: + fimo_cmd_list.append('--qv-thresh') + fimo_cmd_list.append('--thresh %4f' % args.thresh) + if args.input_psp is not None: + fimo_cmd_list.append('--psp "%s"' % args.input_psp) + if args.input_prior_dist is not None: + fimo_cmd_list.append('--prior-dist "%s"' % args.input_prior_dist) +fimo_cmd_list.append('--o "%s"' % (args.output_path)) +fimo_cmd_list.append('--verbosity 1') +fimo_cmd_list.append(args.input_motifs) +fimo_cmd_list.append(args.input_fasta) + +fimo_cmd = ' '.join(fimo_cmd_list) + +try: + tmp_stderr = tempfile.NamedTemporaryFile() + proc = subprocess.Popen(args=fimo_cmd, shell=True, stderr=tmp_stderr) + returncode = proc.wait() + if returncode != 0: + stderr = get_stderr(tmp_stderr) + stop_err(stderr) +except Exception as e: + stop_err('Error running FIMO:\n%s' % e) + +shutil.move(os.path.join(args.output_path, 'fimo.txt'), args.txt_output) + +gff_file = os.path.join(args.output_path, 'fimo.gff') +if args.remove_duplicate_coords == 'yes': + tmp_stderr = tempfile.NamedTemporaryFile() + # Identify and eliminating identical motif occurrences. These + # are identical if the combination of chrom, start, end and + # motif id are identical. + cmd = 'sort -k1,1 -k4,4n -k5,5n -k9.1,9.6 -u -o %s %s' % (gff_file, gff_file) + proc = subprocess.Popen(args=cmd, stderr=tmp_stderr, shell=True) + returncode = proc.wait() + if returncode != 0: + stderr = get_stderr(tmp_stderr) + stop_err(stderr) + # Sort GFF output by a combination of chrom, score, start. + cmd = 'sort -k1,1 -k4,4n -k6,6n -o %s %s' % (gff_file, gff_file) + proc = subprocess.Popen(args=cmd, stderr=tmp_stderr, shell=True) + returncode = proc.wait() + if returncode != 0: + stderr = get_stderr(tmp_stderr) + stop_err(stderr) +if args.output_separate_motifs == 'yes': + # Create the collection output directory. + collection_path = (os.path.join(os.getcwd(), 'output')) + # Keep track of motif occurrences. + header_line = None + motif_ids = [] + file_handles = [] + for line in open(gff_file, 'r'): + if line.startswith('#'): + if header_line is None: + header_line = line + continue + items = line.split('\t') + attribute = items[8] + attributes = attribute.split(';') + name = attributes[0] + motif_id = name.split('=')[1] + file_name = os.path.join(collection_path, 'MOTIF%s.gff' % motif_id) + if motif_id in motif_ids: + i = motif_ids.index(motif_id) + fh = file_handles[i] + fh.write(line) + else: + fh = open(file_name, 'wb') + if header_line is not None: + fh.write(header_line) + fh.write(line) + motif_ids.append(motif_id) + file_handles.append(fh) + for file_handle in file_handles: + file_handle.close() +else: + shutil.move(gff_file, args.gff_output) +shutil.move(os.path.join(args.output_path, 'fimo.xml'), args.xml_output) +shutil.move(os.path.join(args.output_path, 'fimo.html'), args.html_output) + +out_file = open(args.interval_output, 'wb') +out_file.write("#%s\n" % "\t".join(("chr", "start", "end", "pattern name", "score", "strand", "matched sequence", "p-value", "q-value"))) +for line in open(args.txt_output): + if line.startswith('#'): + continue + fields = line.rstrip("\n\r").split("\t") + start, end = int(fields[2]), int(fields[3]) + sequence = fields[7] + if start > end: + # Flip start and end and set strand. + start, end = end, start + strand = "-" + # We want sequences relative to strand; FIMO always provides + stranded sequence. + sequence = dna_reverse_complement(sequence) + else: + strand = "+" + # Make 0-based start position. + start -= 1 + out_file.write("%s\n" % "\t".join([fields[1], str(start), str(end), fields[0], fields[4], strand, sequence, fields[5], fields[6]])) +out_file.close()