One of my pet peeves when it comes to Django is that you cant call methods that require arguments in templates. While this is fine most of the time, it does mean that you need to have one property or method per call you want to make, which sometimes gets very cumbersome. The only real restriction with django is calling a function which requires arguments, which @property doesn't solve (although admittedly you could set some attributes in the template and use them as arguments, but that isn't particularly clean either) matts1 Dec 17 '14 at 4: 48 In my template, I display a list of users a user follows.
I would like the user to be able to delete one of the users he follows thanks to a button. I have a function removerelationship that delet Django Templates are meant to be safe, so they prevent any function that might mutate data by preventing any function with arguments being called at all.
While you could use template tags, I have found myself personally better off using Jinja2 as my templating language where you can call arbitrary functions. Passing arguments to model methods in Django templates. Ask Question. You can create a simple template tag to call any method with any arguments: You cannot pass arguments to functions in Django templates. Instead you can write your own template tag. Here are some examples: Calling functions with arguments inside a template.
It would be incredibly useful to be able to call functions with arguments inside a Django template. I don't know what you mean by" just try to include the request as an argument to the function call" the template does not necessarily have any access to the request object. django template system, calling a function inside a model. Ask Question. You can't call a function with parameters from the template. You can only do this in the view.
Passing named arguments to functions in Django templates. 3. Function with arguments in a template. Django By design, Django templates cannot call into arbitrary Python code. This is a security and safety feature for environments where designers write templates, and it also prevents business logic migrating into templates. How to pass an argument to a method on a template variable in Django?
Ask Question. up vote 23 down vote favorite. 3. The syntax used in Django template filters is" : " for arguments, so I think if someone were to implement this, it would be category. get: foo. How to call function that takes an argument in a Django template? 22. Just as you can define functions that take arbitrary keyword arguments, you can also call functions with arbitrary keyword arguments. By this I mean that you can pass keyword arguments into a function based on items in a dictionary.