0001-misc-avoid-crashes-when-getlist-filter-not-used-on-a.patch

Thomas Noël, 31 juillet 2020 10:07

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Subject: [PATCH] misc: avoid crashes when getlist filter not used on a block
 (#45634)

 tests/test_templates.py           | 15 +++++++++++++++
 wcs/qommon/templatetags/qommon.py |  2 ++
 2 files changed, 17 insertions(+)

         assert tmpl.render({'list': None}) == ''   # list is not iterable
         assert tmpl.render({'list': '123'}) == ''  # consider string as not iterable
         assert tmpl.render({}) == ''
     def test_getlist():
         class FakeBlock:
             def getlist(self, key):
                 return {'foo': ['foo1', 'foo2'], 'bar': ['bar1', 'bar2']}[key]
         tmpl = Template('{% for x in egg|getlist:coin %}{{x}}{% endfor %}')
         assert tmpl.render({'egg': FakeBlock(), 'coin': 'foo'}) == 'foo1foo2'
         assert tmpl.render({'egg': FakeBlock(), 'coin': 'bar'}) == 'bar1bar2'
         tmpl = Template('{{ egg|getlist:"foo"|length }}')
         assert tmpl.render({'egg': FakeBlock()}) == '2'
         assert tmpl.render({}) == '0'
         assert tmpl.render({'egg': None}) == '0'
         assert tmpl.render({'egg': 'spam'}) == '0'
         assert tmpl.render({'egg': 42}) == '0'

     @register.filter
     def getlist(mapping, key):
         if not mapping or not hasattr(mapping, 'getlist'):
             return []
         return mapping.getlist(key)
+    -

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