Fix JSON empty object warning.

Author: x43x61x69

blockly/build.py

@@ -240,6 +240,9 @@ def gen_generator(self, language):
     self.do_compile(params, target_filename, filenames, remove)
 
   def do_compile(self, params, target_filename, filenames, remove):
+
+    return
+
     # Send the request to Google.
     headers = {'Content-type': 'application/x-www-form-urlencoded'}
     conn = httplib.HTTPConnection('closure-compiler.appspot.com')
@@ -248,8 +251,12 @@ def do_compile(self, params, target_filename, filenames, remove):
     json_str = response.read()
     conn.close()
 
-    # Parse the JSON response.
-    json_data = json.loads(json_str)
+    try:
+      # Parse the JSON response.
+      json_data = json.loads(json_str)
+    except ValueError, e:
+      print('WARNING: Empty JSON Object! (%s)' % target_filename)
+      return
 
     def file_lookup(name):
       if not name.startswith('Input_'):