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[fix] get_bang_url: handle ambiguous !!bangs without error 

An ambiguous bang like `!!d` raises an exception in function get_bang_url().  A
bang is only unique when the bang_definition from get_bang_definition_and_ac() is
a string / for a ambiguous bang the returned bang_definition is a dictionary.

Reported-by: user prg at #searxng:matrix.org on 2022/01/11
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
This commit is contained in:
Markus Heiser 2022-01-11 08:55:10 +01:00
parent f4004133b6
commit 6d7e86eece
1 changed files with 5 additions and 2 deletions
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7
searx/external_bang.py
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@ -77,11 +77,14 @@ def get_bang_url(search_query, external_bangs_db=None):
:param search_query: This is a search_query object which contains preferences and the submitted queries. :param search_query: This is a search_query object which contains preferences and the submitted queries.
:return: None if the bang was invalid, else a string of the redirect url. :return: None if the bang was invalid, else a string of the redirect url.
""" """
ret_val = None
if external_bangs_db is None: if external_bangs_db is None:
external_bangs_db = EXTERNAL_BANGS external_bangs_db = EXTERNAL_BANGS
if search_query.external_bang: if search_query.external_bang:
bang_definition, _ = get_bang_definition_and_ac(external_bangs_db, search_query.external_bang) bang_definition, _ = get_bang_definition_and_ac(external_bangs_db, search_query.external_bang)
return resolve_bang_definition(bang_definition, search_query.query)[0] if bang_definition else None if bang_definition and isinstance(bang_definition, str):
ret_val = resolve_bang_definition(bang_definition, search_query.query)[0]
return None return ret_val