def make_msa(seqbuddy, aligner, trimal=()): """ Create a multiple sequence alignment :param seqbuddy: SeqBuddy object :param aligner: path to alignment program :param trimal: List of TrimAl thresholds to try :return: AlignBuddy object """ trimal = trimal if trimal else ["clean"] if len(seqbuddy) == 1: alignment = Alb.AlignBuddy(str(seqbuddy)) else: alignment = Alb.generate_msa(Sb.make_copy(seqbuddy), aligner, quiet=True) ave_seq_length = Sb.ave_seq_length(seqbuddy) for threshold in trimal: align_copy = Alb.trimal(Alb.make_copy(alignment), threshold=threshold) cleaned_seqs = Sb.clean_seq(Sb.SeqBuddy(str(align_copy))) cleaned_seqs = Sb.delete_small(cleaned_seqs, 1) # Structured this way for unit test purposes if len(alignment.records()) != len(cleaned_seqs): continue elif Sb.ave_seq_length(cleaned_seqs) / ave_seq_length < 0.5: continue else: alignment = align_copy break return alignment
def get_data(self, data): if data == "cteno_panxs": return Sb.make_copy(self._cteno_panxs) elif data == "cteno_panxs_aln": return Alb.make_copy(self._cteno_panxs_aln) elif data == "cteno_ids": return deepcopy(self._cteno_ids) elif data == "cteno_sim_scores": return deepcopy(self._cteno_sim_scores) elif data == "ss2_dfs": psi_pred_ss2_dfs = Sb.OrderedDict() for rec in cteno_panxs.records: path = os.path.join(self.resource_path, "psi_pred", "%s.ss2" % rec.id) psi_pred_ss2_dfs[rec.id] = pd.read_csv(path, comment="#", header=None, delim_whitespace=True) psi_pred_ss2_dfs[rec.id].columns = [ "indx", "aa", "ss", "coil_prob", "helix_prob", "sheet_prob" ] return psi_pred_ss2_dfs elif data == "ss2_paths": psi_pred_ss2 = Sb.OrderedDict() for rec in cteno_panxs.records: psi_pred_ss2[rec.id] = os.path.join(self.resource_path, "psi_pred", "%s.ss2" % rec.id) return psi_pred_ss2 else: raise AttributeError("Unknown data type: %s" % data)
ref_name = in_args.reference.split(os.sep)[-1] ref_name = os.path.splitext(ref_name)[0] if not os.path.isfile("%s%s.gb" % (ref_dir, ref_name)): shutil.copy(in_args.reference, "%s%s.gb" % (ref_dir, ref_name)) if not os.path.isfile("%s%s_pep.gb" % (ref_dir, ref_name)): sb_pep = Sb.translate_cds(Sb.make_copy(seqbuddy)) sb_pep.write("%s%s_pep.gb" % (ref_dir, ref_name)) if not os.path.isfile("%s%s_rna.gb" % (ref_dir, ref_name)): sb_rna = Sb.dna2rna(Sb.make_copy(seqbuddy)) sb_rna.write("%s%s_rna.gb" % (ref_dir, ref_name)) if not os.path.isfile("%s%s_aln.gb" % (ref_dir, ref_name)): alignbuddy = Alb.generate_msa(Sb.make_copy(seqbuddy), "mafft") alignbuddy.write("%s%s_aln.gb" % (ref_dir, ref_name)) else: alignbuddy = Alb.AlignBuddy("%s%s_aln.gb" % (ref_dir, ref_name)) if not os.path.isfile("%s%s_pep_aln.gb" % (ref_dir, ref_name)): alb_pep = Alb.translate_cds(Alb.make_copy(alignbuddy)) alb_pep.write("%s%s_pep_aln.gb" % (ref_dir, ref_name)) if not os.path.isfile("%s%s_rna_aln.gb" % (ref_dir, ref_name)): alb_rna = Alb.dna2rna(Alb.make_copy(alignbuddy)) alb_rna.write("%s%s_rna_aln.gb" % (ref_dir, ref_name)) if not os.path.isfile("%s%s_tree.nwk" % (ref_dir, ref_name)): phylobuddy = Pb.generate_tree(Alb.make_copy(alignbuddy), "fasttree") phylobuddy.write("%s%s_tree.nwk" % (ref_dir, ref_name))
def start(self): self.split_time = time.time() self.start_time = time.time() self.heartbeat.start() self.worker_file = os.path.join(self.working_dir, "Worker_%s" % self.heartbeat.id) with open(self.worker_file, "w") as ofile: ofile.write("To terminate this Worker, simply delete this file.") self.data_file = os.path.join(self.working_dir, ".Worker_%s.dat" % self.heartbeat.id) open(self.data_file, "w").close() helpers.dummy_func() self.last_heartbeat_from_master = time.time() self.printer.write("Starting Worker_%s" % self.heartbeat.id) self.printer.new_line(1) idle_countdown = 1 while os.path.isfile(self.worker_file): idle = round(100 * self.idle / (self.idle + self.running), 2) if not idle_countdown: self.printer.write("Idle %s%%" % idle) idle_countdown = 5 # Make sure there are some masters still kicking around self.check_masters(idle) # Check for and clean up dead threads and orphaned jobs every twentieth(ish) time through rand_check = random() if rand_check > 0.95: self.clean_dead_threads() # Fetch a job from the queue data = self.fetch_queue_job() if data: full_name, psipred_dir, align_m, align_p, trimal, gap_open, gap_extend = data subjob_num, num_subjobs, id_hash = [1, 1, full_name] if len(full_name.split("_")) == 1 \ else full_name.split("_") subjob_num = int(subjob_num) num_subjobs = int(num_subjobs) self.printer.write("Running %s" % full_name) else: time.sleep( random() * self.idle_workers() ) # Pause for some time relative to num idle workers idle_countdown -= 1 self.idle += time.time() - self.split_time self.split_time = time.time() continue try: idle_countdown = 1 seqbuddy = Sb.SeqBuddy("%s/%s.seqs" % (self.output, id_hash), in_format="fasta") # Prepare alignment if len(seqbuddy) == 1: raise ValueError("Queued job of size 1 encountered: %s" % id_hash) else: if num_subjobs == 1: self.printer.write("Creating MSA (%s seqs)" % len(seqbuddy)) alignment = Alb.generate_msa(Sb.make_copy(seqbuddy), align_m, params=align_p, quiet=True) else: self.printer.write("Reading MSA (%s seqs)" % len(seqbuddy)) alignment = Alb.AlignBuddy( os.path.join(self.output, "%s.aln" % id_hash)) # Prepare psipred dataframes psipred_dfs = self.prepare_psipred_dfs(seqbuddy, psipred_dir) if num_subjobs == 1: # This is starting a full job from scratch, not a sub-job # Need to specify what columns the PsiPred files map to now that there are gaps. psipred_dfs = rdmcl.update_psipred(alignment, psipred_dfs, "msa") # TrimAl self.printer.write("Trimal (%s seqs)" % len(seqbuddy)) alignment = rdmcl.trimal(seqbuddy, trimal, alignment) with helpers.ExclusiveConnect(os.path.join( self.output, "write.lock"), max_lock=0): # Place these write commands in ExclusiveConnect to ensure a writing lock if not os.path.isfile( os.path.join(self.output, "%s.aln" % id_hash)): alignment.write(os.path.join( self.output, "%s.aln" % id_hash), out_format="fasta") # Re-update PsiPred files now that some columns, possibly including non-gap characters, are removed self.printer.write("Updating %s psipred dataframes" % len(seqbuddy)) psipred_dfs = rdmcl.update_psipred(alignment, psipred_dfs, "trimal") # Prepare all-by-all list self.printer.write("Preparing all-by-all data") data_len, data = rdmcl.prepare_all_by_all( seqbuddy, psipred_dfs, self.cpus) if num_subjobs == 1 and data_len > self.cpus * self.job_size_coff: data_len, data, subjob_num, num_subjobs = self.spawn_subjobs( id_hash, data, psipred_dfs, gap_open, gap_extend) elif subjob_num > 1: data_len, data = self.load_subjob(id_hash, subjob_num, num_subjobs, psipred_dfs) # Launch multicore self.printer.write("Running all-by-all data (%s comparisons)" % data_len) with open(self.data_file, "w") as ofile: ofile.write("seq1,seq2,subsmat,psi") br.run_multicore_function(data, rdmcl.mc_score_sequences, quiet=True, max_processes=self.cpus, func_args=[ alignment, gap_open, gap_extend, self.data_file ]) self.printer.write("Processing final results") self.process_final_results(id_hash, subjob_num, num_subjobs) self.running += time.time() - self.split_time self.split_time = time.time() except (OSError, FileNotFoundError, br.GuessError, ValueError) as err: if num_subjobs == 1: self.terminate( "something wrong with primary cluster %s\n%s" % (full_name, err)) else: with helpers.ExclusiveConnect(self.wrkdb_path) as cursor: cursor.execute("DELETE FROM processing WHERE hash=?", (full_name, )) continue # Broken out of while loop, clean up and terminate worker if os.path.isfile(self.data_file): os.remove(self.data_file) self.terminate("deleted check file")
outdir = os.path.abspath(in_args.out_dir) if not os.path.exists(outdir): print("Output directory not found, creating it...\n%s" % outdir, file=sys.stderr) os.mkdir(outdir) for block in blocks: path = os.path.abspath(block.split("\n")[0]) file_name = path.split("/")[-1].split(".")[:-1] file_name = "_".join(file_name) file_name = "_".join(file_name.split(" ")) new_dir = os.path.abspath("%s/%s" % (outdir, file_name)) if not os.path.exists(new_dir): os.mkdir(new_dir) alignbuddy = Alb.AlignBuddy(path) with open("%s/%s.phy" % (new_dir, file_name), 'w') as ofile: ofile.write(screw_formats_align(alignbuddy)) # partitionfinder is super fussy about the PHYLIP format used. There needs to be exactly 10 characters in the IDs, # with at least 2 spaces before the start of the actual sequence. So annoying. Alb.hash_ids(alignbuddy, hash_length=8) with open("%s/%s_hashed.phy" % (new_dir, file_name), "w") as ofile: ofile.write(screw_formats_align(alignbuddy)) # Make cfg file seq_ranges = block.split("\n")[1:] if seq_ranges[-1] == "": seq_ranges = seq_ranges[:-1] alphabet = Alb.guess_alphabet(alignbuddy)
def test_make_msa(hf, monkeypatch): seqbuddy = hf.get_data("cteno_panxs") seqbuddy.records = seqbuddy.records[:2] alb_obj = group_by_cluster.make_msa(seqbuddy, "clustalo") assert type(alb_obj) == Alb.AlignBuddy assert str(alb_obj) == """\ >Bab-PanxαA Be_abyssicola|m.8 and m.21|ML036514|937+ 2. MLLLGSLGTIKNLSIFKDLSLDDWLDQMNRTFMFLLLCFMGTIVAVSQYTGKNISCNGFE KFSDDFSQDYCWTQGLYTIKEAYDLPESQIPYPGIIPENVPACREHSLKNGGKIICPPPE EIKPLTRARHLWYQWIPFYFWVIAPVFYLPYMFVKRMGLDRMKPLLKIMSDYYHCTTETP SEEIIVKCADWVYNSIVDRLSEGSSWTSWRNRHGLGLAVLFSKLMYLGGSILVMMVTTLM FQVGDFKTYGIEWLKQFPSDENYTTSVKHKLFPKMVACEIKRWGPSGLEEENGMCVLAPN VIYQYIFLIMWFALAITICTNFFNIFFWVFKLTATRYTYSKLVATGHFSHKHPGWKFMYY RIGTSGRVLLNIVAQNTNPIIFGAIMEKLTPSVIKHLRIGHVPGEYLTDPA >Bab-PanxαB Be_abyssicola|m.19|ML47742|1063 2. --MLDILSKFKGVTPFKGITIDDGWDQLNRSFMFVLLVVMGTTVTVRQYTGSVISCDGFK KFGSTFAEDYCWTQGLYTVLEGYDQPSYNIPYPGLLPDELPACTPVKLKDGTRLKCPDAD QLMSPTRISHLWYQWVPFYFWLAAAAFFMPYLLYKNFGMGDIKPLVRLLHNPVESDQ--E LKKMTDKAATWLFYKFDLYMSEQSLVASLTRKHGLGLSMVFVKILYAAVSFCCFILTAEM FSIGDFKTYGSKWIKKMRYEDTLATEEKDKLFPKMVACEVKRWGASGIEEEQGMCVLAPN VINQYLFLILWFCLVFVMICNIVSIFVSLIKLLFTYGSYRRLLST-AFLRDDSAIKHMYF NVGSSGRLILHVLANNTAPRVFEDILLTLAPKLIQRKLRGNGKAV------ """ seqbuddy.records = [seqbuddy.records[0]] alb_obj = group_by_cluster.make_msa(seqbuddy, "clustalo") assert type(alb_obj) == Alb.AlignBuddy assert str(alb_obj) == """\ >Bab-PanxαA Be_abyssicola|m.8 and m.21|ML036514|937+ 2. MLLLGSLGTIKNLSIFKDLSLDDWLDQMNRTFMFLLLCFMGTIVAVSQYTGKNISCNGFE KFSDDFSQDYCWTQGLYTIKEAYDLPESQIPYPGIIPENVPACREHSLKNGGKIICPPPE EIKPLTRARHLWYQWIPFYFWVIAPVFYLPYMFVKRMGLDRMKPLLKIMSDYYHCTTETP SEEIIVKCADWVYNSIVDRLSEGSSWTSWRNRHGLGLAVLFSKLMYLGGSILVMMVTTLM FQVGDFKTYGIEWLKQFPSDENYTTSVKHKLFPKMVACEIKRWGPSGLEEENGMCVLAPN VIYQYIFLIMWFALAITICTNFFNIFFWVFKLTATRYTYSKLVATGHFSHKHPGWKFMYY RIGTSGRVLLNIVAQNTNPIIFGAIMEKLTPSVIKHLRIGHVPGEYLTDPA """ # Don't modify if any sequence is reduced to nothing align = Alb.AlignBuddy("""\ >A MSTGTC------- >B M---TC------- >C M---TC---AILP >D -STP---YWAILP """, in_format="fasta") seqbuddy = Sb.SeqBuddy(Alb.make_copy(align).records(), in_format="fasta") seqbuddy = Sb.clean_seq(seqbuddy) monkeypatch.setattr(Alb, "generate_msa", lambda *_, **__: align) alb_obj = group_by_cluster.make_msa(seqbuddy, "clustalo", trimal=[0.3]) assert str(alb_obj) == str(align) # Don't modify if average sequence length is reduced by more than half align = Alb.AlignBuddy("""\ >A MSTGTC------- >B M---TC------- >C M---TC---AILP >D -STPTC-YWAILP """, in_format="fasta") seqbuddy = Sb.SeqBuddy(Alb.make_copy(align).records(), in_format="fasta") seqbuddy = Sb.clean_seq(seqbuddy) monkeypatch.setattr(Alb, "generate_msa", lambda *_, **__: align) alb_obj = group_by_cluster.make_msa(seqbuddy, "clustalo", trimal=[0.3]) assert str(alb_obj) == str(align) # Remove some gaps alb_obj = group_by_cluster.make_msa(seqbuddy, "clustalo", trimal=[0.3, 0.55]) assert str(alb_obj) == """\
Cfu 6 Dgl 9 Edu 9 Hca 8 Hru 5 Hvu 14 Lcr 12 Lla 3 Mle 12 Oma 4 Pba 7 Tin 6 Vpa 7 ''' cteno_panxs = Sb.SeqBuddy("%s%sCteno_pannexins.fa" % (RESOURCE_PATH, SEP)) cteno_panxs_aln = Alb.AlignBuddy("%s%sCteno_pannexins_aln.fa" % (RESOURCE_PATH, SEP)) ids = sorted([rec.id for rec in cteno_panxs.records]) sim_scores = pd.read_csv("%sCteno_pannexins_sim.scores" % RESOURCE_PATH, index_col=False, header=None) sim_scores.columns = ["seq1", "seq2", "subsmat", "psi", "raw_score", "score"] # ################################# - Helper class - ################################## # class HelperMethods(object): def __init__(self): self.sep = SEP self.resource_path = RESOURCE_PATH self._cteno_panxs = cteno_panxs self._cteno_panxs_aln = cteno_panxs_aln self._cteno_ids = ids
def main(): in_args = argparse_init() mode = in_args.mode.lower() mode = "seqs" if "sequences".startswith(mode) else mode mode = "aln" if "alignment".startswith(mode) else mode mode = "con" if "consensus".startswith(mode) else mode mode = "list" if "list".startswith(mode) else mode if mode not in ["seqs", "aln", "con", "list"]: Sb.br._stderr('Unrecognized mode, please select from ["seqs", "aln", "con", "list"].\n') sys.exit() if in_args.groups: in_args.groups = [x.lower() for x in in_args.groups[0]] in_args.groups = "^%s$" % "$|^".join(in_args.groups) cluster_file = prepare_clusters(in_args.clusters, hierarchy=True) seqbuddy = Sb.SeqBuddy(in_args.sequence_file) output = OrderedDict() for rank, node in cluster_file.items(): rank = rank.split()[0] if in_args.groups: if not re.search(in_args.groups, rank): continue if in_args.min_size: if len(node) < in_args.min_size: continue if in_args.max_size: if len(node) > in_args.max_size: continue if in_args.strip_taxa: node = [re.sub("^.*?\-", "", x) for x in node] ids = "^%s$" % "$|^".join(node) subset = Sb.pull_recs(Sb.make_copy(seqbuddy), ids) subset = Sb.order_ids(subset) rank_output = "" if mode == "list": rank_output += rank for rec in subset.records: rec.description = re.sub("^%s" % rec.id, "", rec.description) rank_output += "\n%s %s" % (rec.id, rec.description) rank_output += "\n" elif mode == "seqs": for rec in subset.records: rec.description = "%s %s" % (rank, rec.description) rank_output += str(subset) elif mode in ["aln", "con"]: try: rank_output = make_msa(subset, in_args.aligner, in_args.trimal) except (SystemError, AttributeError) as err: print(err) sys.exit() rank_output.out_format = "phylip-relaxed" if mode == "con": rec = Alb.consensus_sequence(rank_output).records()[0] rec.id = rank rec.name = rank rec.description = "" rank_output.out_format = "fasta" output[rank] = str(rank_output) if not in_args.write: print("\n".join(data for rank, data in output.items()).strip()) else: outdir = os.path.abspath(in_args.write) os.makedirs(outdir, exist_ok=True) extension = ".%s" % seqbuddy.out_format[:3] if mode == "seq" \ else ".txt" if mode == "list" \ else ".phy" if mode == "aln" \ else ".fa" for rank, data in output.items(): with open(os.path.join(outdir, rank + extension), "w") as ofile: ofile.write(data)
def start(self): self.split_time = time.time() self.start_time = time.time() self.heartbeat.start() self.worker_file = os.path.join(self.working_dir, "Worker_%s" % self.heartbeat.id) with open(self.worker_file, "w") as ofile: ofile.write("To terminate this Worker, simply delete this file.") self.data_file = os.path.join(self.working_dir, ".Worker_%s.dat" % self.heartbeat.id) open(self.data_file, "w").close() helpers.dummy_func() self.last_heartbeat_from_master = time.time() self.printer.write("Starting Worker_%s" % self.heartbeat.id) self.printer.new_line(1) idle_countdown = 1 while os.path.isfile(self.worker_file): idle = round(100 * self.idle / (self.idle + self.running), 2) if not idle_countdown: self.printer.write("Idle %s%%" % idle) idle_countdown = 5 # Make sure there are some masters still kicking around self.check_masters(idle) # Check for and clean up dead threads and orphaned jobs every twentieth(ish) time through rand_check = random() if rand_check > 0.95: self.clean_dead_threads() # Fetch a job from the queue data = self.fetch_queue_job() if data: full_name, psipred_dir, align_m, align_p, trimal, gap_open, gap_extend = data subjob_num, num_subjobs, id_hash = [1, 1, full_name] if len(full_name.split("_")) == 1 \ else full_name.split("_") subjob_num = int(subjob_num) num_subjobs = int(num_subjobs) self.printer.write("Running %s" % full_name) else: time.sleep(random() * self.idle_workers()) # Pause for some time relative to num idle workers idle_countdown -= 1 self.idle += time.time() - self.split_time self.split_time = time.time() continue try: idle_countdown = 1 seqbuddy = Sb.SeqBuddy("%s/%s.seqs" % (self.output, id_hash), in_format="fasta") # Prepare alignment if len(seqbuddy) == 1: raise ValueError("Queued job of size 1 encountered: %s" % id_hash) else: if num_subjobs == 1: self.printer.write("Creating MSA (%s seqs)" % len(seqbuddy)) alignment = Alb.generate_msa(Sb.make_copy(seqbuddy), align_m, params=align_p, quiet=True) else: self.printer.write("Reading MSA (%s seqs)" % len(seqbuddy)) alignment = Alb.AlignBuddy(os.path.join(self.output, "%s.aln" % id_hash)) # Prepare psipred dataframes psipred_dfs = self.prepare_psipred_dfs(seqbuddy, psipred_dir) if num_subjobs == 1: # This is starting a full job from scratch, not a sub-job # Need to specify what columns the PsiPred files map to now that there are gaps. psipred_dfs = rdmcl.update_psipred(alignment, psipred_dfs, "msa") # TrimAl self.printer.write("Trimal (%s seqs)" % len(seqbuddy)) alignment = rdmcl.trimal(seqbuddy, trimal, alignment) with helpers.ExclusiveConnect(os.path.join(self.output, "write.lock"), max_lock=0): # Place these write commands in ExclusiveConnect to ensure a writing lock if not os.path.isfile(os.path.join(self.output, "%s.aln" % id_hash)): alignment.write(os.path.join(self.output, "%s.aln" % id_hash), out_format="fasta") # Re-update PsiPred files now that some columns, possibly including non-gap characters, are removed self.printer.write("Updating %s psipred dataframes" % len(seqbuddy)) psipred_dfs = rdmcl.update_psipred(alignment, psipred_dfs, "trimal") # Prepare all-by-all list self.printer.write("Preparing all-by-all data") data_len, data = rdmcl.prepare_all_by_all(seqbuddy, psipred_dfs, self.cpus) if num_subjobs == 1 and data_len > self.cpus * self.job_size_coff: data_len, data, subjob_num, num_subjobs = self.spawn_subjobs(id_hash, data, psipred_dfs, gap_open, gap_extend) elif subjob_num > 1: data_len, data = self.load_subjob(id_hash, subjob_num, num_subjobs, psipred_dfs) # Launch multicore self.printer.write("Running all-by-all data (%s comparisons)" % data_len) with open(self.data_file, "w") as ofile: ofile.write("seq1,seq2,subsmat,psi") br.run_multicore_function(data, rdmcl.mc_score_sequences, quiet=True, max_processes=self.cpus, func_args=[alignment, gap_open, gap_extend, self.data_file]) self.printer.write("Processing final results") self.process_final_results(id_hash, subjob_num, num_subjobs) self.running += time.time() - self.split_time self.split_time = time.time() except (OSError, FileNotFoundError, br.GuessError, ValueError) as err: if num_subjobs == 1: self.terminate("something wrong with primary cluster %s\n%s" % (full_name, err)) else: with helpers.ExclusiveConnect(self.wrkdb_path) as cursor: cursor.execute("DELETE FROM processing WHERE hash=?", (full_name,)) continue # Broken out of while loop, clean up and terminate worker if os.path.isfile(self.data_file): os.remove(self.data_file) self.terminate("deleted check file")
if not os.path.isfile("%s%s_pep.gb" % (ref_dir, ref_name)): print(" -> Creating protein file") sb_pep = Sb.translate_cds(Sb.make_copy(seqbuddy), quiet=True) sb_pep.write("%s%s_pep.gb" % (ref_dir, ref_name)) del sb_pep if not os.path.isfile("%s%s_rna.gb" % (ref_dir, ref_name)): print(" -> Creating RNA file") sb_rna = Sb.dna2rna(Sb.make_copy(seqbuddy)) sb_rna.write("%s%s_rna.gb" % (ref_dir, ref_name)) del sb_rna if not os.path.isfile("%s%s_aln.gb" % (ref_dir, ref_name)): print(" -> Creating alignment file") alignbuddy = Alb.faux_alignment(Sb.make_copy(seqbuddy), r_seed=12345) alignbuddy.write("%s%s_aln.gb" % (ref_dir, ref_name)) else: alignbuddy = Alb.AlignBuddy("%s%s_aln.gb" % (ref_dir, ref_name)) if not os.path.isfile("%s%s_pep_aln.gb" % (ref_dir, ref_name)): print(" -> Creating protein alignment file") alb_pep = Alb.faux_alignment( Sb.SeqBuddy("%s%s_pep.gb" % (ref_dir, ref_name))) alb_pep.write("%s%s_pep_aln.gb" % (ref_dir, ref_name)) del alb_pep if not os.path.isfile("%s%s_rna_aln.gb" % (ref_dir, ref_name)): print(" -> Creating RNA alignment file") alb_rna = Alb.dna2rna(Alb.make_copy(alignbuddy)) alb_rna.write("%s%s_rna_aln.gb" % (ref_dir, ref_name))