def _get_streaming_response(self):
"""
Get a StreamingHttpResponse response object
"""
def get_json_string(item):
return json.dumps(
item.json if isinstance(item, Instance) else item)
if self.kwargs.get('format') == 'xml':
response = StreamingHttpResponse(
renderers.InstanceXMLRenderer().stream_data(
self.object_list, self.get_serializer),
content_type="application/xml")
else:
response = StreamingHttpResponse(json_stream(
self.object_list, get_json_string),
content_type="application/json")
# calculate etag value and add it to response headers
if hasattr(self, 'etag_hash'):
self.set_etag_header(None, self.etag_hash)
# set headers on streaming response
for k, v in self.headers.items():
response[k] = v
return response
def _get_streaming_response(self):
"""
Get a StreamingHttpResponse response object
"""
# use queryset_iterator. Will need to change this to the Django
# native .iterator() method when we upgrade to django version 2
# because in Django 2 .iterator() has support for chunk size
queryset = queryset_iterator(self.object_list, chunksize=2000)
def get_json_string(item):
return json.dumps(
XFormBaseSerializer(instance=item,
context={
'request': self.request
}).data)
response = StreamingHttpResponse(json_stream(queryset,
get_json_string),
content_type="application/json")
# calculate etag value and add it to response headers
if hasattr(self, 'etag_data'):
self.set_etag_header(None, self.etag_data)
self.set_cache_control(response)
# set headers on streaming response
for k, v in self.headers.items():
response[k] = v
return response
def _get_streaming_response(self):
"""
Get a StreamingHttpResponse response object
"""
# use queryset_iterator. Will need to change this to the Django
# native .iterator() method when we upgrade to django version 2
# because in Django 2 .iterator() has support for chunk size
queryset = queryset_iterator(self.object_list, chunksize=2000)
def get_json_string(item):
return json.dumps(XFormBaseSerializer(
instance=item,
context={'request': self.request}
).data)
response = StreamingHttpResponse(
json_stream(queryset, get_json_string),
content_type="application/json"
)
# calculate etag value and add it to response headers
if hasattr(self, 'etag_data'):
self.set_etag_header(None, self.etag_data)
self.set_cache_control(response)
# set headers on streaming response
for k, v in self.headers.items():
response[k] = v
return response
def get_streaming_response(self, data):
"""Get a StreamingHttpResponse response object"""
def get_json_string(item):
return json.dumps(
{re.sub(r"\W", r"_", a): b
for a, b in item.items()})
response = StreamingHttpResponse(json_stream(data, get_json_string),
content_type="application/json")
# set headers on streaming response
for k, v in self.headers.items():
response[k] = v
return response
def _get_streaming_response(self, data):
"""Get a StreamingHttpResponse response object"""
def get_json_string(item):
return json.dumps({
re.sub(r"\W", r"_", a): b for a, b in item.items()})
response = StreamingHttpResponse(
json_stream(data, get_json_string),
content_type="application/json"
)
# set headers on streaming response
for k, v in self.headers.items():
response[k] = v
return response
def _get_streaming_response(self):
"""
Get a StreamingHttpResponse response object
"""
def get_json_string(item):
return json.dumps(
item.json if isinstance(item, Instance) else item)
response = StreamingHttpResponse(json_stream(self.object_list,
get_json_string),
content_type="application/json")
# calculate etag value and add it to response headers
if hasattr(self, 'etag_hash'):
self.set_etag_header(None, self.etag_hash)
# set headers on streaming response
for k, v in self.headers.items():
response[k] = v
return response
def _get_streaming_response(self):
"""
Get a StreamingHttpResponse response object
"""
def get_json_string(item):
return json.dumps(
item.json if isinstance(item, Instance) else item)
response = StreamingHttpResponse(
json_stream(self.object_list, get_json_string),
content_type="application/json"
)
# calculate etag value and add it to response headers
if hasattr(self, 'etag_hash'):
self.set_etag_header(None, self.etag_hash)
# set headers on streaming response
for k, v in self.headers.items():
response[k] = v
return response
