Opened 6 years ago

Last modified 6 years ago

#29306 closed Bug

[bugs]Template variable-lookups system invoke class when access class attribute — at Version 1

Reported by: Luoxzhg Owned by: nobody
Component: Template system Version: dev
Severity: Normal Keywords: template
Cc: Triage Stage: Accepted
Has patch: yes Needs documentation: no
Needs tests: no Patch needs improvement: no
Easy pickings: no UI/UX: no

Description (last modified by Luoxzhg) 

class A:
    def __init__(self, value): 
         pass
    attr="Hello"

from django.template import Template, Context
t = Template(" {{  A.attr }}")
output=t.render(Context({"A": A}))

the output should be "Hello", but it is string_if_invalid, i.e., empty string "" .

Change History (1)

comment:1 by Luoxzhg, 6 years ago

Description: modified (diff)
Summary: [bugs for all version]Template variable-lookups system evaluate callables before completed the evaluation → [bugs]Template variable-lookups system invoke class when access class attribute
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