#33269: Raise an error if a string is passed into has_perms() instead of a list
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Reporter: lieryan | Owner: nobody
Type: Uncategorized | Status: new
Component: Uncategorized | Version: 3.2
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 1
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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A colleague made this error recently doing a user.has_perms("foobar")
instead of the correct user.has_perms(["foobar"]) or
user.has_perm("foobar"). The code initially appeared to work fine since in
Python, str is an iterable that returned individual characters as string
when iterated over.
We checked for str in particular rather than enforcing it to be a list,
since perm_list may actually be tuple, set, generators, or other
iterables.
An alternative way this could be fixed is to just silently behave like
has_perm() if perm_list is actually a string rather than raising an error,
but that'll probably enforce a bad habit.
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Ticket URL: <https://code.djangoproject.com/ticket/33269>
Django <https://code.djangoproject.com/>
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