added default values to some arguments

argparser.py

@@ -37,9 +37,9 @@ def arg():
     parser.add_argument('-aln','--alignment',help="output the alignment of the transfered features",action='store_true')
 
     # annotation transfer options
-    parser.add_argument('-id', '--identity', metavar="N", type=int, help="minimum identity percentage required for the feature to be transfered")
-    parser.add_argument('-cov', '--coverage', metavar="N", type=int, help="minimum coverage percentage required for the feature to be transfered")
-    parser.add_argument('-diff', '--max_difference', metavar="N", type=int, help="maximum difference accepted for the feature to be transfered (transfer rejected if the feature size on the target genome is N times bigger or smaller than on the source genome)")
+    parser.add_argument('-id', '--identity', metavar="N", type=int, default=80, help="minimum identity percentage required for the feature to be transfered")
+    parser.add_argument('-cov', '--coverage', metavar="N", type=int, default=80, help="minimum coverage percentage required for the feature to be transfered")
+    parser.add_argument('-diff', '--max_difference', metavar="N", type=int, default=0, help="maximum difference accepted for the feature to be transfered (transfer rejected if the feature size on the target genome is N times bigger or smaller than on the source genome)")