def get_value(self):
key = self.key
assert key is not None
request = self.serializer.context.get('request')
type = self.type
many = self.many
return_list = False
if many or type == 'integer':
return_list = True
value = request.query_params.getlist(key)
else:
return_list = False
value = [request.query_params.get(key)]
result = []
for v in value:
if type == "boolean":
if is_truthy(value):
v = "True"
elif value is not None:
v = "False"
elif type == "integer":
v = str(int(v)) if v else None
elif type == "decimal":
v = str(Decimal(v)) if v else None
else:
v = str(v) if v else None
result.append(v)
return result if return_list else result[0]
def rewrite_filters(filters, serializer):
out = {}
for k, node in six.iteritems(filters):
filter_key, field = node.generate_query_key(serializer)
if isinstance(field, (BooleanField, NullBooleanField)):
node.value = is_truthy(node.value)
out[filter_key] = node.value
return out
def test_is_truthy(self):
self.assertTrue(is_truthy("faux"))
self.assertTrue(is_truthy(1))
self.assertFalse(is_truthy("0"))
self.assertFalse(is_truthy("False"))
self.assertFalse(is_truthy("false"))
self.assertFalse(is_truthy(""))
def get_request_patch_all(self):
patch_all = self.get_request_feature(self.PATCH_ALL)
if not patch_all:
return None
patch_all = patch_all.lower()
if patch_all == 'query':
pass
elif is_truthy(patch_all):
patch_all = True
else:
raise exceptions.ParseError('"%s" is not valid for %s' %
(patch_all, self.PATCH_ALL))
return patch_all
def _get_requested_filters(self, **kwargs):
"""
Convert 'filters' query params into a dict that can be passed
to Q. Returns a dict with two fields, 'include' and 'exclude',
which can be used like:
result = self._get_requested_filters()
q = Q(**result['include'] & ~Q(**result['exclude'])
"""
filters_map = (kwargs.get('filters_map')
or self.view.get_request_feature(self.view.FILTER))
out = TreeMap()
for spec, value in six.iteritems(filters_map):
# Inclusion or exclusion?
if spec[0] == '-':
spec = spec[1:]
inex = '_exclude'
else:
inex = '_include'
# for relational filters, separate out relation path part
if '|' in spec:
rel, spec = spec.split('|')
rel = rel.split('.')
else:
rel = None
parts = spec.split('.')
# Last part could be operator, e.g. "events.capacity.gte"
if len(parts) > 1 and parts[-1] in self.VALID_FILTER_OPERATORS:
operator = parts.pop()
else:
operator = None
# All operators except 'range' and 'in' should have one value
if operator == 'range':
value = value[:2]
elif operator == 'in':
# no-op: i.e. accept `value` as an arbitrarily long list
pass
elif operator in self.VALID_FILTER_OPERATORS:
value = value[0]
if (operator == 'isnull'
and isinstance(value, six.string_types)):
value = is_truthy(value)
elif operator == 'eq':
operator = None
node = FilterNode(parts, operator, value)
# insert into output tree
path = rel if rel else []
path += [inex, node.key]
out.insert(path, node)
return out
def get_request_sideloading(self):
sideloading = self.get_request_feature(self.SIDELOADING)
return is_truthy(sideloading) if sideloading is not None else None
def get_request_debug(self):
debug = self.get_request_feature(self.DEBUG)
return is_truthy(debug) if debug is not None else None
def _get_requested_filters(self, **kwargs):
"""
Convert 'filters' query params into a dict that can be passed
to Q. Returns a dict with two fields, 'include' and 'exclude',
which can be used like:
result = self._get_requested_filters()
q = Q(**result['_include'] & ~Q(**result['_exclude'])
"""
filters_map = kwargs.get('filters_map')
view = getattr(self, 'view', None)
if view:
serializer_class = view.get_serializer_class()
serializer = serializer_class()
if not filters_map:
filters_map = view.get_request_feature(view.FILTER)
else:
serializer = None
out = TreeMap()
for key, value in six.iteritems(filters_map):
# Inclusion or exclusion?
if key[0] == '-':
key = key[1:]
category = '_exclude'
else:
category = '_include'
# for relational filters, separate out relation path part
if '|' in key:
rel, key = key.split('|')
rel = rel.split('.')
else:
rel = None
terms = key.split('.')
# Last part could be operator, e.g. "events.capacity.gte"
if len(terms) > 1 and terms[-1] in self.VALID_FILTER_OPERATORS:
operator = terms.pop()
else:
operator = None
# All operators except 'range' and 'in' should have one value
if operator == 'range':
value = value[:2]
if value[0] == '':
operator = 'lte'
value = value[1]
elif value[1] == '':
operator = 'gte'
value = value[0]
elif operator == 'in':
# no-op: i.e. accept `value` as an arbitrarily long list
pass
elif operator in self.VALID_FILTER_OPERATORS:
value = value[0]
if (operator == 'isnull'
and isinstance(value, six.string_types)):
value = is_truthy(value)
elif operator == 'eq':
operator = None
if serializer:
s = serializer
if rel:
# get related serializer
model_fields, serializer_fields = serializer.resolve(rel)
s = serializer_fields[-1]
s = getattr(s, 'serializer', s)
rel = [Meta.get_query_name(f) for f in model_fields]
# perform model-field resolution
model_fields, serializer_fields = s.resolve(terms)
field = serializer_fields[-1] if serializer_fields else None
# if the field is a boolean,
# coerce the value
if field and isinstance(
field,
(serializers.BooleanField, serializers.NullBooleanField)):
value = is_truthy(value)
key = '__'.join([Meta.get_query_name(f) for f in model_fields])
else:
key = '__'.join(terms)
if operator:
key += '__%s' % operator
# insert into output tree
path = rel if rel else []
path += [category, key]
out.insert(path, value)
return out
