Passing HttpRequest to the form
The first argument of every Django view is the
HttpRequest object that is usually named
request. It contains metadata about the request. For example, current language code, current user, current cookies, and current session. By default, the forms that are used in the views accept the
POST parameters, files, initial data, and other parameters; however, not the
HttpRequest object. In some cases, it is useful to additionally pass
HttpRequest to the form, especially when you want to filter out the choices of form fields using the request data or handle saving something such as the current user or IP in the form.
In this recipe, we will see an example of a form where a person can choose a user and write a message ...