Merge branch 'develop' into develop-2.7

docs/additional-features/custom-scripts.md

@@ -71,6 +71,18 @@ The checkbox to commit database changes when executing a script is checked by de
 commit_default = False
 ```
 
+## Accessing Request Data
+
+Details of the current HTTP request (the one being made to execute the script) are available as the instance attribute `self.request`. This can be used to infer, for example, the user executing the script and the client IP address:
+
+```python
+username = self.request.user.username
+ip_address = self.request.META.get('HTTP_X_FORWARDED_FOR') or self.request.META.get('REMOTE_ADDR')
+self.log_info("Running as user {} (IP: {})...".format(username, ip_address))
+```
+
+For a complete list of available request parameters, please see the [Django documentation](https://docs.djangoproject.com/en/stable/ref/request-response/).
+
 ## Reading Data from Files
 
 The Script class provides two convenience methods for reading data from files: