fixing tests and stdin/help conflict

sumgram/sumgram.py

@@ -1621,16 +1621,20 @@ def main():
     parser = get_args()
     args = parser.parse_args()
     params = vars(args)
+
+    if( len(sys.argv) == 1 ):
+        parser.print_help()
+        return
 
     doc_lst = []
     set_log_defaults(params)
     set_logger_dets( params['log_dets'] )
 
-    if( len(sys.argv) > 1 and (sys.argv[1] == '-') ):
+    if( len(sys.argv) > 1 and (sys.argv[-1] == '-') ):
         try:
             fileobj = sys.stdin
             with fileobj:
-                doc_lst = [{'text': fileobj.read()}]
+                doc_lst = [{'text': fileobj.read()}]    
         except:
             genericErrorInfo()
     else:

sumgram/util.py

@@ -492,8 +492,7 @@ def generic_txt_extrator(sources, max_file_depth=0, boilerplate_rm_method='boile
             urls.append(txt_src)
             continue
 
-        txt_file = readTextFromFilesRecursive([txt_src], addDetails=True, maxDepth=max_file_depth)
-        doc_lst += [{'text': txt_src}] if len(txt_file) == 0 else txt_file
+        doc_lst = readTextFromFilesRecursive([txt_src], addDetails=True, maxDepth=max_file_depth)
 
     if( len(urls) != 0 ):
         logger.info('\nDereferencing {} URL(s) - start'.format(len(urls)))

tests/unit/test_sumgram.py

@@ -29,7 +29,7 @@ def test_multiple_opts(self):
         ]
         params = {
             'top_sumgram_count': 10,
-            'add_stopwords': 'image',
+            'add_stopwords': ['image'],
             'no_rank_docs': True,
             'no_rank_sentences': True,
             'title': 'Top sumgrams for Hurricane Harvey text collection'