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bthlabs-jsonrpc/packages/bthlabs-jsonrpc-aiohttp/bthlabs_jsonrpc_aiohttp/views.py
Tomek Wójcik c75ea4ea9d Initial public releases
* `bthlabs-jsonrpc-aiohttp` v1.0.0
* `bthlabs-jsonrpc-core` v1.0.0
* `bthlabs-jsonrpc-django` v1.0.0
2022-06-04 10:41:53 +02:00

54 lines
1.5 KiB
Python

# -*- coding: utf-8 -*-
# django-jsonrpc-aiohttp | (c) 2022-present Tomek Wójcik | MIT License
import typing
from aiohttp import web
from bthlabs_jsonrpc_aiohttp.executor import AioHttpExecutor
class JSONRPCView:
"""
The JSONRPC View. This is the main JSONRPC entry point. Use it to register
your JSONRPC endpoints.
Example:
.. code-block:: python
from bthlabs_jsonrpc_aiohttp import JSONRPCView
app.add_routes([
web.post('/rpc', JSONRPCView()),
web.post('/example/rpc', JSONRPCView(namespace='examnple')),
])
"""
# pragma mark - Public interface
def __init__(self, namespace: typing.Optional[str] = None):
self.namespace: typing.Optional[str] = namespace
async def can_call(self,
request: web.Request,
method: str,
args: list,
kwargs: dict) -> bool:
"""
Hook for subclasses to perform additional per-call permissions checks
etc. The default implementation returns ``True``.
"""
return True
async def __call__(self, request: web.Request) -> web.Response:
"""The request handler."""
executor = AioHttpExecutor(
request, self.can_call, namespace=self.namespace,
)
serializer = await executor.execute()
if serializer is None:
return web.Response(body='')
return web.json_response(serializer.data)