How to output a comma delimited list in jinja python template

Question

If I have a list of users say   Sam    Bob    Joe    I want to do something where I can output in my jinja template file      for user in userlist         lt a href   profile    user      gt    user    lt  a gt         if  loop last                      endif       endfor         I want to make the output template be   Sam  Bob  Joe   I tried the above code to check if it was on the last iteration of the loop and if not  then don t insert a comma  but it does not work  How do I do this

User · Answer

you could also use the builtin  join  filter  http   jinja pocoo org docs templates  join like this      users join

User · Answer

You want your if check to be     if not loop last             endif     Note that you can also shorten the code by using If Expression      quot    quot  if not loop last else  quot  quot

User · Answer

And using the joiner from http   jinja pocoo org docs dev templates  joiner     set comma   joiner            for user in userlist           comma      lt a href   profile    user      gt    user    lt  a gt     endfor        It s made for this exact purpose  Normally a join or a check of forloop last would suffice for a single list  but for multiple groups of things it s useful   A more complex example on why you would use it      set pipe   joiner            if categories       pipe          Categories     categories join             endif       if author       pipe          Author     author         endif       if can edit       pipe           lt a href   action edit  gt Edit lt  a gt     endif

[python] How to output a comma delimited list in jinja python template?

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