properly handle input file argument

jsonselect/__main__.py

@@ -23,7 +23,7 @@ def cli():
     args = parser_.parse_args()
 
     if args.infile:
-        fin = args.infile
+        fin = open(args.infile)
     elif sys.stdin:
         fin = sys.stdin
     else:
@@ -37,8 +37,11 @@ def cli():
     if args.machine_readable:
         print json.dumps(selection)
     elif args.list:
-        for i in selection:
-            print i
+        if hasattr(selection, '__iter__'):
+            for i in selection:
+                print i
+        else:
+            print selection
     else:
         print json.dumps(selection, indent=4)
 

jsonselect/jsonselect.py

@@ -18,7 +18,6 @@
 import re
 import numbers
 import collections
-import functools
 import logging
 import json
 
@@ -127,6 +126,7 @@ def lex_expr(expression):
             tokens[i] = (token[0], json.loads(tokens[i][1]))
     return tokens
 
+
 class Parser(object):
 
     """
@@ -170,7 +170,6 @@ def parse(self, selector):
     def selector_production(self, tokens):
         """Production for a full selector."""
 
-        log.debug(tokens)
         validators = []
         # the following productions should return predicate functions.
 
@@ -468,7 +467,6 @@ def select(selector, obj):
     Returns False on syntax error. None if no results found.
     """
 
-    log.info(selector)
     parser = Parser(obj)
     try:
         return parser.parse(selector)