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/usr/lib/debian-med/bin/extractTranscriptInfo.py is in bitseq 0.7.5+dfsg-3ubuntu1.

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The actual contents of the file can be viewed below.

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#!/usr/bin/python
# Initialization {{{
import sys
from optparse import OptionParser
parser = OptionParser(usage="%prog [options] <inputFile> <outputFile>\n\n\
      This program extracts information about transcripts from reference Fasta file.\n\
      This is partially replaced by using SAM header, which however does not include information about transcript-gene grouping.\n\
      Current version of parseAlignment extracts this information from a reference sequence file (making this script obsolete).\
")
parser.add_option("-v", "--verbose", default=False, dest="verbose",  action="store_true", help="Verbose output")
parser.add_option("-t","--type",dest="type", type="string",help="Type of file to parse: ensembl, cuff, other");

(options, args) = parser.parse_args()
def verbose(str):
   if options.verbose:
      print str;

if len(args)<2: 
   sys.exit("Missing arguments");

try:
   inF = open(args[0],"r");
except:
   sys.exit("Unable to open input file: "+args[0]+" .");


try:
   outF = open(args[1],"w");
except:
   sys.exit("Unable to open output file: "+args[1]+" .");
#}}}

seqName="";
geneName="";
seqLen=0;
seqCount=0;

result = [];
li = 0;

if options.type:
   if options.type=="ensembl": 
      itype = "ens";
      print "Expecting header line format:\n>[tr Name] .* gene:[gene Name] .*";
   elif options.type=="cuff":
      itype = "cuf";
      print "Expecting header line format:\n>[tr Name] .* gene=[gene Name] .*";
   else:
      itype = "non";
      print "Expecting header line format:\n>[tr Name] .*\n -> using \"none\" as gene names";
else:
   itype = "non";
   print "Expecting header line format:\n>[tr Name] .*\n -> using \"none\" as gene names";

for line in inF:
   li+=1;
   if line[0] == '>':
      if seqName!="":
         result.append([geneName,seqName,str(seqLen)]);
      seqLen=0;
      seqCount+=1;
      # Split line after >
      lSplit = line[1:].split()
      seqName = lSplit[0];
      if seqName == "":
         seqName = "unknown-tr"+str(seqCount);
         print "Warning: no name on line ",li,". Using '",seqName,"'.";
      if itype == "non":
         geneName = "none";
      else:
         geneName = ""
         for it in lSplit:
            if (itype=="ens" and "gene:" in it) or (itype=="cuf" and "gene=" in it) :
               geneName=it[5:];
         if geneName == "":
            geneName = seqName;
   else:
      seqLen+=len(line)-1;
if seqName!="":
   result.append([geneName,seqName,str(seqLen)]);

inF.close();

verbose(str(seqCount)+" sequences processed.");

outF.write("# M "+str(seqCount)+"\n");
for it in result:
   outF.write(it[0]+" "+it[1]+" "+it[2]+"\n");

outF.close();