Mercurial > repos > cpt > cpt_putative_usp
diff generate-putative-usp.py @ 1:f7afd1480d0f draft
planemo upload commit 94b0cd1fff0826c6db3e7dc0c91c0c5a8be8bb0c
author | cpt |
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date | Mon, 05 Jun 2023 02:51:59 +0000 |
parents | |
children | 76a3830e9cb1 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/generate-putative-usp.py Mon Jun 05 02:51:59 2023 +0000 @@ -0,0 +1,290 @@ +import argparse +from cpt import OrfFinder +from Bio import SeqIO +from Bio import Seq +from CPT_GFFParser import gffParse, gffWrite +from spaninFuncs import * +import re +import os +import sys + +""" +## Note +NOTE : This was made after I made the i-spanin and o-spanin tools, so there might be some methods that are used differently +and overall some 'differently' written code... +""" + +if __name__ == "__main__": + parser = argparse.ArgumentParser( + description="Get putative protein candidates for u-spanins" + ) + + parser.add_argument( + "fasta_file", type=argparse.FileType("r"), help="Fasta file" + ) # the "input" argument + + parser.add_argument( + "--strand", + dest="strand", + choices=("both", "forward", "reverse"), + default="both", + help="select strand", + ) # Selection of +, -, or both strands + + parser.add_argument( + "--table", dest="table", default=11, help="NCBI Translation table", type=int + ) # Uses "default" NCBI codon table. This should always (afaik) be what we want... + + parser.add_argument( + "-t", + "--ftype", + dest="ftype", + choices=("CDS", "ORF"), + default="ORF", + help="Find ORF or CDSs", + ) # "functional type(?)" --> Finds ORF or CDS, for this we want just the ORF + + parser.add_argument( + "-e", + "--ends", + dest="ends", + choices=("open", "closed"), + default="closed", + help="Open or closed. Closed ensures start/stop codons are present", + ) # includes the start and stop codon + + parser.add_argument( + "-m", + "--mode", + dest="mode", + choices=("all", "top", "one"), + default="all", # I think we want this to JUST be all...nearly always + help="Output all ORFs/CDSs from sequence, all ORFs/CDSs with max length, or first with maximum length", + ) + + parser.add_argument( + "--switch", + dest="switch", + default="all", + help="switch between ALL putative usps, or a range. If not all, insert a range of two integers separated by a colon (:). Eg: 1234:4321", + ) + + parser.add_argument( + "--usp_on", + dest="out_usp_nuc", + type=argparse.FileType("w"), + default="_out_usp.fna", + help="Output nucleotide sequences, FASTA", + ) + parser.add_argument( + "--usp_op", + dest="out_usp_prot", + type=argparse.FileType("w"), + default="_out_usp.fa", + help="Output protein sequences, FASTA", + ) + parser.add_argument( + "--usp_ob", + dest="out_usp_bed", + type=argparse.FileType("w"), + default="_out_usp.bed", + help="Output BED file", + ) + parser.add_argument( + "--usp_og", + dest="out_usp_gff3", + type=argparse.FileType("w"), + default="_out_usp.gff3", + help="Output GFF3 file", + ) + parser.add_argument( + "--putative_usp", + dest="putative_usp_fa", + type=argparse.FileType("w"), + default="_putative_usp.fa", + help="Output of putative FASTA file", + ) + parser.add_argument( + "--summary_usp_txt", + dest="summary_usp_txt", + type=argparse.FileType("w"), + default="_summary_usp.txt", + help="Summary statistics on putative o-spanins", + ) + parser.add_argument( + "--putative_usp_gff", + dest="putative_usp_gff", + type=argparse.FileType("w"), + default="_putative_usp.gff3", + help="gff3 output for putative o-spanins", + ) + + parser.add_argument( + "--min_size", type=int, default=100, help="minimum size of peptide" + ) + parser.add_argument( + "--max_size", type=int, default=200, help="maximum size of peptide" + ) + parser.add_argument( + "--lipo_min_start", type=int, default=10, help="minimum start site of lipobox" + ) + parser.add_argument( + "--lipo_max_start", type=int, default=30, help="maximum end site of lipobox" + ) + parser.add_argument( + "--min_lipo_after", + type=int, + default=60, + help="minumum amount of residues after lipobox", + ) + parser.add_argument( + "--max_lipo_after", + type=int, + default=160, + help="maximum amount of residues after lipobox", + ) + parser.add_argument( + "--tmd_min_start", type=int, default=75, help="minumum start site of TMD" + ) + parser.add_argument( + "--tmd_max_start", type=int, default=200, help="maximum end site of TMD" + ) + parser.add_argument( + "--tmd_min_size", type=int, default=15, help="minimum size of TMD" + ) + parser.add_argument( + "--tmd_max_size", type=int, default=25, help="maximum size of TMD" + ) + + args = parser.parse_args() + + the_args = vars(parser.parse_args()) + + ### usp output, naive ORF finding: + usps = OrfFinder(args.table, args.ftype, args.ends, args.min_size, args.strand) + usps.locate( + args.fasta_file, + args.out_usp_nuc, + args.out_usp_prot, + args.out_usp_bed, + args.out_usp_gff3, + ) + + args.fasta_file.close() + args.fasta_file = open(args.fasta_file.name, "r") + args.out_usp_prot.close() + args.out_usp_prot = open(args.out_usp_prot.name, "r") + + pairs = tuple_fasta(fasta_file=args.out_usp_prot) + have_lipo = [] + + for each_pair in pairs: + if len(each_pair[1]) <= args.max_size: + try: + have_lipo += find_lipobox( + pair=each_pair, + minimum=args.lipo_min_start, + maximum=args.lipo_max_start, + min_after=args.min_lipo_after, + max_after=args.max_lipo_after, + ) + except (IndexError, TypeError): + continue + + # print(len(have_lipo)) + # print(have_lipo) + + have_tmd_and_lipo = [] + # print(args.tmd_min_start) + # print(args.tmd_max_start) + # print(args.tmd_min_size) + # print(args.tmd_max_size) + + for each_pair in have_lipo: + try: + have_tmd_and_lipo += find_tmd( + pair=each_pair, + minimum=args.tmd_min_start, + maximum=args.tmd_max_start, + TMDmin=args.tmd_min_size, + TMDmax=args.tmd_max_size, + ) + except (IndexError, TypeError): + continue + + # print(len(have_tmd_and_lipo)) + # print(have_tmd_and_lipo) + + if args.switch == "all": + pass + else: + range_of = args.switch + range_of = re.search(("[\d]+:[\d]+"), range_of).group(0) + start = int(range_of.split(":")[0]) + end = int(range_of.split(":")[1]) + have_lipo = parse_a_range(pair=have_tmd_and_lipo, start=start, end=end) + + total_have_tmd_and_lipo = len(have_tmd_and_lipo) + + ORF = [] + length = [] + candidate_dict = {k: v for k, v in have_tmd_and_lipo} + with args.putative_usp_fa as f: + for desc, s in candidate_dict.items(): + f.write(">" + str(desc)) + f.write("\n" + lineWrapper(str(s).replace("*", "")) + "\n") + length.append(len(s)) + ORF.append(desc) + #### Extra statistics + args.out_usp_prot.close() + all_orfs = open(args.out_usp_prot.name, "r") + all_isps = open(args.putative_usp_fa.name, "r") + # record = SeqIO.read(all_orfs, "fasta") + # print(len(record)) + n = 0 + for line in all_orfs: + if line.startswith(">"): + n += 1 + all_orfs_counts = n + + c = 0 + for line in all_isps: + if line.startswith(">"): + c += 1 + all_isps_counts = c + + if ORF: + bot_size = min(length) + top_size = max(length) + avg = (sum(length)) / total_have_tmd_and_lipo + n = len(length) + if n == 0: + raise Exception("no median for empty data") + if n % 2 == 1: + med = length[n // 2] + else: + i = n // 2 + med = (length[i - 1] + length[i]) / 2 + with args.summary_usp_txt as f: + f.write("total potential u-spanins: " + str(total_have_tmd_and_lipo) + "\n") + f.write("average length (AA): " + str(avg) + "\n") + f.write("median length (AA): " + str(med) + "\n") + f.write("maximum orf in size (AA): " + str(top_size) + "\n") + f.write("minimum orf in size (AA): " + str(bot_size) + "\n") + f.write("ratio of isps found from naive orfs: " + str(c) + "/" + str(n)) + + args.putative_usp_fa = open(args.putative_usp_fa.name, "r") + gff_data = prep_a_gff3( + fa=args.putative_usp_fa, spanin_type="usp", org=args.fasta_file + ) + write_gff3(data=gff_data, output=args.putative_usp_gff) + else: + with args.summary_usp_txt as f: + f.write("No Candidate USPs found") + if have_lipo: + f.write("\nLipoboxes were found here:\n") + for each_lipo in have_lipo: + f.write(">" + str(each_lipo[0])) + f.write("\n" + lineWrapper(each_lipo[1].replace("*", "")) + "\n") + else: + f.write("\nNo Lipobox(es) were found within search restraints")