在模型中访问视图数据

Question

Is there a way to access a variable within charfield entries. Lets say in my views I have...

first_name = "John"
last_name = "Smith"

In my model I have a list of set greetings, lets say about 20 of them, which I want to randomly pick one and within that entry I want to be able to refer to these variables.

My charfield entries in my models will be something like...

Welcome {{first_name}} Im glad you could come back Mr.{{last_name}}
Hello {{first_name}} {{last_name}} welcome back
Hey there {{last_name}}!
etc...  

So when I want to display one of those entries from my model, it will fill in the first_name,last_name fields from the data's view...

I did try it with template tags but it just gets printed out as a string which I expected it to do so. I understand this may be confusing.

Or is the best way to just code something that finds the {{first_name}} and replaces it with that value...

Answer 1

Create string like

"Welcome {first_name} Im glad you could come back Mr.{last_name}"

Then in view(using python string formatting)

Model.field.value.format(first_name=first_name,last_name=last_name")