def __init__(self, *args, **kwargs):
self.expanded_fields = []
passed = {
'expand' : kwargs.pop('expand', None),
'fields': kwargs.pop('fields', None)
}
super(FlexFieldsSerializerMixin, self).__init__(*args, **kwargs)
expand = self._get_expand_input(passed)
fields = self._get_fields_input(passed)
expand_field_names, next_expand_field_names = split_levels(expand)
sparse_field_names, next_sparse_field_names = split_levels(fields)
expandable_fields_names = self._get_expandable_names(sparse_field_names)
if '~all' in expand_field_names:
expand_field_names = self.expandable_fields.keys()
for name in expand_field_names:
if name not in expandable_fields_names:
continue
self.expanded_fields.append(name)
self.fields[name] = self._make_expanded_field_serializer(
name, next_expand_field_names, next_sparse_field_names
)
def __init__(self, *args, **kwargs):
self.expanded_fields = []
passed = {}
for field in ["expand", "fields", "omit"]:
if field in kwargs:
if isinstance(kwargs[field], str):
passed[field] = [kwargs.pop(field)]
else:
passed[field] = list(kwargs.pop(field, []))
else:
passed[field] = []
super(FlexFieldsSerializerMixin, self).__init__(*args, **kwargs)
expand = self._get_expand_input(passed)
fields = self._get_fields_input(passed)
omit = self._get_omit_input(passed)
expand_fields, next_expand_fields = split_levels(expand)
sparse_fields, next_sparse_fields = split_levels(fields)
omit_fields, next_omit_fields = split_levels(omit)
self._clean_fields(omit_fields, sparse_fields, next_omit_fields)
expanded_field_names = self._get_expanded_names(
expand_fields, omit_fields, sparse_fields, next_omit_fields)
for name in expanded_field_names:
self.expanded_fields.append(name)
self.fields[name] = self._make_expanded_field_serializer(
name, next_expand_fields, next_sparse_fields, next_omit_fields)
def apply_flex_fields(self):
expand_fields, next_expand_fields = split_levels(
self._flex_options["expand"])
sparse_fields, next_sparse_fields = split_levels(
self._flex_options["fields"])
omit_fields, next_omit_fields = split_levels(
self._flex_options["omit"])
to_remove = self._get_fields_names_to_remove(
omit_fields,
sparse_fields,
next_omit_fields,
)
for field_name in to_remove:
self.fields.pop(field_name)
expanded_field_names = self._get_expanded_field_names(
expand_fields,
omit_fields,
sparse_fields,
next_omit_fields,
)
for name in expanded_field_names:
self.expanded_fields.append(name)
self.fields[name] = self._make_expanded_field_serializer(
name,
next_expand_fields,
next_sparse_fields,
next_omit_fields,
)
self._flex_fields_applied = True
def __init__(self, *args, **kwargs):
self.expanded_fields = []
passed = {
"expand": list(kwargs.pop("expand", [])),
"fields": list(kwargs.pop("fields", [])),
"omit": list(kwargs.pop("omit", [])),
}
super(FlexFieldsSerializerMixin, self).__init__(*args, **kwargs)
expand = self._get_expand_input(passed)
fields = self._get_fields_input(passed)
omit = self._get_omit_input(passed)
expand_fields, next_expand_fields = split_levels(expand)
sparse_fields, next_sparse_fields = split_levels(fields)
omit_fields, next_omit_fields = split_levels(omit)
self._clean_fields(omit_fields, sparse_fields, next_omit_fields)
expanded_field_names = self._get_expanded_names(
expand_fields, omit_fields, sparse_fields, next_omit_fields
)
for name in expanded_field_names:
self.expanded_fields.append(name)
self.fields[name] = self._make_expanded_field_serializer(
name, next_expand_fields, next_sparse_fields, next_omit_fields
)
def apply_flex_fields(self, fields, flex_options):
expand_fields, next_expand_fields = split_levels(flex_options["expand"])
sparse_fields, next_sparse_fields = split_levels(flex_options["fields"])
omit_fields, next_omit_fields = split_levels(flex_options["omit"])
for field_name in self._get_fields_names_to_remove(
fields, omit_fields, sparse_fields, next_omit_fields
):
fields.pop(field_name)
for name in self._get_expanded_field_names(
expand_fields, omit_fields, sparse_fields, next_omit_fields
):
self.expanded_fields.append(name)
fields[name] = self._make_expanded_field_serializer(
name, next_expand_fields, next_sparse_fields, next_omit_fields
)
return fields
def __init__(self, *args, **kwargs):
passed = {
'expand': kwargs.pop('expand', None),
'fields': kwargs.pop('fields', None),
'omit': kwargs.pop('omit', []),
'parent': kwargs.pop('parent', ''),
'identifier': kwargs.pop('identifier', None)
}
# add excludes from expandable_fields to those on query params
passed['omit'] += kwargs.pop('exclude', [])
super(FlexFieldsSerializerMixin, self).__init__(*args, **kwargs)
expand = self._get_expand_input(passed)
fields = self._get_fields_input(passed)
omit = self._get_omit_input(passed)
expand_field_names, next_expand_field_names = split_levels(expand)
sparse_field_names, next_sparse_field_names = split_levels(fields)
omit_field_names, next_omit_field_names = split_levels(omit)
omit_field_names = set(omit_field_names) - next_omit_field_names.keys()
expandable_fields_names = self._get_expandable_names(
sparse_field_names, omit_field_names)
forced_expand_names = [
name for name, field in self.fields.items()
if isinstance(field, serializers.Serializer)
]
identifier = passed['identifier']
if identifier or self._can_access_request:
url_specific_fields = ('view_name', 'lookup_field',
'lookup_url_kwarg', 'format')
identifier = identifier or self.context['request'].query_params.get(
'identifier') or self.context['request'].data.get('identifier')
if identifier in ('id', 'name', 'reference'):
for name in self.related_fields:
kwargs = {
k: v
for k, v in self.fields[name]._kwargs.items()
if k not in url_specific_fields
}
new_related_field = PrimaryKeyRelatedField(
**kwargs
) if identifier == 'id' else SafeSlugRelatedField(
identifier, **kwargs)
self.fields[name] = new_related_field
for name in self.many_related_fields:
kwargs = {
k: v
for k, v in
self.fields[name].child_relation._kwargs.items()
if k not in url_specific_fields
}
new_related_field = PrimaryKeyRelatedField(
**kwargs
) if identifier == 'id' else SafeSlugRelatedField(
identifier, **kwargs)
self.fields[name].child_relation = new_related_field
self.fields.pop('url', None)
self.fields.pop('verbose_url', None)
if '*' in expand_field_names:
expand_field_names = self.expandable_fields.keys()
resolved_expand_fields = set(expandable_fields_names) & (
set(expand_field_names) | set(forced_expand_names))
for name in resolved_expand_fields:
self.fields[name] = self._make_expanded_field_serializer(
name, next_expand_field_names, next_sparse_field_names,
next_omit_field_names, identifier)