/
pyramid_json_response.py
51 lines (40 loc) · 1.62 KB
/
pyramid_json_response.py
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from typing import (
Callable,
Optional,
)
import pyramid.config
import pyramid.renderers
import pyramid.request
import pyramid.response
__author__ = "Motoki Naruse"
__copyright__ = "Motoki Naruse"
__credits__ = ["Motoki Naruse"]
__email__ = "motoki@naru.se"
__license__ = "MIT"
__maintainer__ = "Motoki Naruse"
__version__ = '0.0.1'
class JsonResponse:
def __init__(self) -> None:
self.json_renderer = pyramid.renderers.JSON()
def _dump_json(self, source, request: Optional[pyramid.request.Request]) -> str:
return self.json_renderer(None)(source, {'request': request} if request else {})
def dump_json(self, request: pyramid.request.Request, source) -> str:
return self._dump_json(source, None)
def response_json(self, request: pyramid.request.Request, body, status=None) -> Callable:
json_body = self._dump_json(body, request)
return pyramid.response.Response(
json_body,
status=status,
headerlist=[
('Content-Length', str(len(json_body))),
('Content-Type', 'application/json'),
],
charset="utf-8"
)
def add_adapter(self, request: pyramid.request.Request, type_or_iface, adapter) -> None:
self.json_renderer.add_adapter(type_or_iface, adapter)
def includeme(config: pyramid.config.Configurator) -> None:
json_response = JsonResponse()
config.add_directive('add_json_adapter', json_response.add_adapter)
config.add_request_method(json_response.dump_json, name="dump_json")
config.add_request_method(json_response.response_json, name="response_json")