--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/synteny_parse.py	Wed Apr 01 05:34:17 2015 -0400
@@ -0,0 +1,63 @@
+#!/usr/bin/env python
+
+import os
+import sys
+import argparse
+
+#from Bio import Blast
+
+from Bio.Blast import NCBIXML
+# from Blast import NCBIXML
+
+
+def doStuff(args):
+    blast_records = NCBIXML.parse(open(args.blastXMLInput))
+    
+    with open(args.blastHitsTSV, 'wb') as out:
+        for blast_record in blast_records:
+            qlen = blast_record.query_length        
+            qid = blast_record.query
+            # hits[qid] = []
+            for alignment in blast_record.alignments:            
+                sid = alignment.title.split()[1]
+                tid = sid.split('|')[0]
+                for hsp in alignment.hsps:
+                    if hsp.expect >= args.evalue:
+                        continue
+                    qcov = (hsp.query_end - hsp.query_start + 1.0) / qlen
+                    if qcov < args.min_query_coverage:
+                        continue
+                    identity = hsp.identities / float(hsp.align_length)
+                    if identity < args.min_identity:
+                        continue
+               
+                    hit = (tid, sid, hsp.expect, qcov, qlen, hsp.align_length, identity)
+                    out.write('\t'.join([qid] + map(str, hit)) + '\n')  
+    pass
+
+
+def main(argv):
+    
+    descr = ''
+    parser = argparse.ArgumentParser(description=descr)        
+    parser.add_argument('--evalue', type=float, default=1e-10)
+    parser.add_argument('--min-identity', type=float, default=0.75)
+    parser.add_argument('--min-query-coverage', type=float, default=0.75)
+    parser.add_argument('blastXMLInput', type=str)
+    parser.add_argument('blastHitsTSV', type=str)
+
+    try:
+        args = parser.parse_args()
+    except:
+        sys.exit(1)
+
+    if not os.path.exists(args.blastXMLInput):
+        sys.stderr.write('Input file (%s) is missing.\n' % args.blastXMLInput)
+        sys.exit(1)
+
+    doStuff(args)
+      
+    pass
+
+
+if __name__ == '__main__': main(sys.argv[1:])