Mercurial > repos > peterjc > effectivet3
diff tools/effectiveT3/effectiveT3.py @ 3:b0b927299aee draft
Uploaded v0.0.11 with automatic dependency installation.
The Python wrapper also gives specific errors for partial installation issues.
author | peterjc |
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date | Thu, 16 May 2013 04:45:41 -0400 |
parents | |
children | 1ea715da1879 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tools/effectiveT3/effectiveT3.py Thu May 16 04:45:41 2013 -0400 @@ -0,0 +1,151 @@ +#!/usr/bin/env python +"""Wrapper for EffectiveT3 v1.0.1 for use in Galaxy. + +This script takes exactly five command line arguments: + * model name (e.g. TTSS_STD-1.0.1.jar) + * threshold (selective or sensitive) + * an input protein FASTA filename + * output tabular filename + +It then calls the standalone Effective T3 v1.0.1 program (not the +webservice), and reformats the semi-colon separated output into +tab separated output for use in Galaxy. +""" +import sys +import os +import subprocess + +#The Galaxy auto-install via tool_dependencies.xml will set this environment variable +effectiveT3_dir = os.environ.get("EFFECTIVET3", "/opt/EffectiveT3/") +effectiveT3_jar = os.path.join(effectiveT3_dir, "TTSS_GUI-1.0.1.jar") + +if "-v" in sys.argv or "--version" in sys.argv: + #TODO - Get version of the JAR file dynamically? + print "Wrapper v0.0.11, TTSS_GUI-1.0.1.jar" + sys.exit(0) + +def stop_err(msg, error_level=1): + """Print error message to stdout and quit with given error level.""" + sys.stderr.write("%s\n" % msg) + sys.exit(error_level) + +if len(sys.argv) != 5: + stop_err("Require four arguments: model, threshold, input protein FASTA file & output tabular file") + +model, threshold, fasta_file, tabular_file = sys.argv[1:] + +if not os.path.isfile(fasta_file): + stop_err("Input FASTA file not found: %s" % fasta_file) + +if threshold not in ["selective", "sensitive"] \ +and not threshold.startswith("cutoff="): + stop_err("Threshold should be selective, sensitive, or cutoff=..., not %r" % threshold) + +def clean_tabular(raw_handle, out_handle): + """Clean up Effective T3 output to make it tabular.""" + count = 0 + positive = 0 + errors = 0 + for line in raw_handle: + if not line or line.startswith("#") \ + or line.startswith("Id; Description; Score;"): + continue + assert line.count(";") >= 3, repr(line) + #Normally there will just be three semi-colons, however the + #original FASTA file's ID or description might have had + #semi-colons in it as well, hence the following hackery: + try: + id_descr, score, effective = line.rstrip("\r\n").rsplit(";",2) + #Cope when there was no FASTA description + if "; " not in id_descr and id_descr.endswith(";"): + id = id_descr[:-1] + descr = "" + else: + id, descr = id_descr.split("; ",1) + except ValueError: + stop_err("Problem parsing line:\n%s\n" % line) + parts = [s.strip() for s in [id, descr, score, effective]] + out_handle.write("\t".join(parts) + "\n") + count += 1 + if float(score) < 0: + errors += 1 + if effective.lower() == "true": + positive += 1 + return count, positive, errors + +def run(cmd): + #Avoid using shell=True when we call subprocess to ensure if the Python + #script is killed, so too is the child process. + try: + child = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE) + except Exception, err: + stop_err("Error invoking command:\n%s\n\n%s\n" % (" ".join(cmd), err)) + #Use .communicate as can get deadlocks with .wait(), + stdout, stderr = child.communicate() + return_code = child.returncode + if return_code: + if stderr and stdout: + stop_err("Return code %i from command:\n%s\n\n%s\n\n%s" % (return_code, err, stdout, stderr)) + else: + stop_err("Return code %i from command:\n%s\n%s" % (return_code, err, stderr)) + +if not os.path.isdir(effectiveT3_dir): + stop_err("Effective T3 folder not found: %r" % effectiveT3_dir) + +if not os.path.isfile(effectiveT3_jar): + stop_err("Effective T3 JAR file not found: %r" % effectiveT3_jar) + +if not os.path.isdir(os.path.join(effectiveT3_dir, "module")): + stop_err("Effective T3 module folder not found: %r" % os.path.join(effectiveT3_dir, "module")) + +effectiveT3_model = os.path.join(effectiveT3_dir, "module", model) +if not os.path.isfile(effectiveT3_model): + sys.stderr.write("Contents of %r is %s\n" + % (os.path.join(effectiveT3_dir, "module"), + ", ".join(repr(p) for p in os.listdir(os.path.join(effectiveT3_dir, "module"))))) + sys.stderr.write("Main JAR was found: %r\n" % effectiveT3_jar) + stop_err("Effective T3 model JAR file not found: %r" % effectiveT3_model) + +#We will have write access whereever the output should be, +temp_file = os.path.abspath(tabular_file + ".tmp") + +#Use absolute paths since will change current directory... +tabular_file = os.path.abspath(tabular_file) +fasta_file = os.path.abspath(fasta_file) + +cmd = ["java", "-jar", effectiveT3_jar, + "-f", fasta_file, + "-m", model, + "-t", threshold, + "-o", temp_file, + "-q"] + +try: + #Must run from directory above the module subfolder: + os.chdir(effectiveT3_dir) +except: + stop_err("Could not change to Effective T3 folder: %s" % effectiveT3_dir) + +run(cmd) + +if not os.path.isfile(temp_file): + stop_err("ERROR - No output file from Effective T3") + +out_handle = open(tabular_file, "w") +out_handle.write("#ID\tDescription\tScore\tEffective\n") +data_handle = open(temp_file) +count, positive, errors = clean_tabular(data_handle, out_handle) +data_handle.close() +out_handle.close() + +os.remove(temp_file) + +if errors: + print "%i sequences, %i positive, %i errors" \ + % (count, positive, errors) +else: + print "%i/%i sequences positive" % (positive, count) + +if count and count==errors: + #Galaxy will still allow them to see the output file + stop_err("All your sequences gave an error code")