From 56f29a0e6ed65ba197f6e005d86cd56e66db0731 Mon Sep 17 00:00:00 2001
From: Alberto Vara <a.vara.1986@gmail.com>
Date: Sat, 7 Apr 2018 20:07:17 +0200
Subject: [PATCH] Fix/lambda backend (#1556)

* Fix exception with "object has no attribute"

When use this code:

   client = boto3.client('lambda')
   client.get_policy([...])

moto rise:
```
moto/awslambda/responses.py", line 109, in _get_policy
    lambda_backend = self.get_lambda_backend(full_url)
Exception: 'LambdaResponse' object has no attribute 'get_lambda_backend'
```

* fix shadows built-in name
---
 moto/awslambda/responses.py | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/moto/awslambda/responses.py b/moto/awslambda/responses.py
index 5676da1ca..2c8a54523 100644
--- a/moto/awslambda/responses.py
+++ b/moto/awslambda/responses.py
@@ -94,25 +94,21 @@ class LambdaResponse(BaseResponse):
             return self._add_policy(request, full_url, headers)
 
     def _add_policy(self, request, full_url, headers):
-        lambda_backend = self.get_lambda_backend(full_url)
-
         path = request.path if hasattr(request, 'path') else request.path_url
         function_name = path.split('/')[-2]
-        if lambda_backend.has_function(function_name):
+        if self.lambda_backend.get_function(function_name):
             policy = request.body.decode('utf8')
-            lambda_backend.add_policy(function_name, policy)
+            self.lambda_backend.add_policy(function_name, policy)
             return 200, {}, json.dumps(dict(Statement=policy))
         else:
             return 404, {}, "{}"
 
     def _get_policy(self, request, full_url, headers):
-        lambda_backend = self.get_lambda_backend(full_url)
-
         path = request.path if hasattr(request, 'path') else request.path_url
         function_name = path.split('/')[-2]
-        if lambda_backend.has_function(function_name):
-            function = lambda_backend.get_function(function_name)
-            return 200, {}, json.dumps(dict(Policy="{\"Statement\":[" + function.policy + "]}"))
+        if self.lambda_backend.get_function(function_name):
+            lambda_function = self.lambda_backend.get_function(function_name)
+            return 200, {}, json.dumps(dict(Policy="{\"Statement\":[" + lambda_function.policy + "]}"))
         else:
             return 404, {}, "{}"