Fix the foddy infinite loop

Author: KevinHock

example/november_2017_evaluation/infinite_loop/foddy.py

@@ -8,14 +8,11 @@ def recommended():
     if is_google_auth():
         location = get_location(http_auth)
 
+
 def get_location(http_auth):
     for i in range(len(events_result['items'])):
         example = events_result['items'][i]['start']
         if 'dateTime' in example.keys():
             index_of_valid_event = i
             break
-    if 'location' in events_result['items'][index_of_valid_event].keys():
-        location = events_result['items'][index_of_valid_event]['location']
-    else:
-        location = 'unspecified'
-    return location
+    return 5

pyt/stmt_visitor.py

@@ -423,7 +423,11 @@ def assignment_call_node(self, left_hand_label, ast_node):
         self.undecided = True  # Used for handling functions in assignments
 
         call = self.visit(ast_node.value)
-        call_label = call.left_hand_side
+        try:
+            call_label = call.left_hand_side
+        except AttributeError:
+            print('Assigning from a void function is invalid Python')
+            exit(0)
 
         if isinstance(call, BBorBInode):
             # Necessary to know e.g.

pyt/stmt_visitor_helper.py

@@ -1,4 +1,5 @@
 import ast
+import random
 from collections import namedtuple
 
 from .node_types import (
@@ -101,16 +102,24 @@ def get_first_node(
     node,
     node_not_to_step_past
 ):
+    """
+        This is a super hacky way of getting the first node after a statement.
+        We do this because we visit a statement and keep on visiting and get something in return that is rarely the first node.
+        So we loop and loop backwards until we hit the statement or there is nothing to step back to.
+    """
     ingoing = None
+    i = 0
     current_node = node
     while current_node.ingoing:
+        # This is used because there may be multiple ingoing and loop will cause an infinite loop if we did [0]
+        i = random.randrange(len(current_node.ingoing))
         # e.g. We don't want to step past the Except of an Except basic block
-        if current_node.ingoing[0] == node_not_to_step_past:
+        if current_node.ingoing[i] == node_not_to_step_past:
             break
         ingoing = current_node.ingoing
-        current_node = current_node.ingoing[0]
+        current_node = current_node.ingoing[i]
     if ingoing:
-        return ingoing[0]
+        return ingoing[i]
     return current_node