ahserver_g/ahserver/restful.py

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Python
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2019-07-29 10:01:11 +08:00
import os
import re
from aiohttp.web_urldispatcher import StaticResource, _WebHandler, PathLike
from aiohttp.web_urldispatcher import Optional, _ExpectHandler
from aiohttp.web_urldispatcher import Path
from aiohttp.web_response import Response, StreamResponse
from aiohttp.web_exceptions import (
HTTPException,
HTTPExpectationFailed,
HTTPForbidden,
HTTPMethodNotAllowed,
HTTPNotFound,
)
from aiohttp import web
from aiohttp.web_fileresponse import FileResponse
from aiohttp.web_request import Request
from aiohttp.web_response import Response, StreamResponse
from aiohttp.web_routedef import AbstractRouteDef
from aiohttp.web import json_response
from sqlor.crud import CRUD
from appPublic.dictObject import multiDict2Dict
from appPublic.jsonConfig import getConfig
from .error import Error,Success
DEFAULT_METHODS = ('GET', 'POST', 'PUT', 'DELETE', 'HEAD', 'OPTIONS', 'TRACE')
class RestEndpoint:
def __init__(self):
self.methods = {}
for method_name in DEFAULT_METHODS:
method = getattr(self, method_name.lower(), None)
if method:
self.register_method(method_name, method)
def register_method(self, method_name, method):
self.methods[method_name.upper()] = method
async def dispatch(self):
method = self.methods.get(self.request.method.upper())
if not method:
raise HTTPMethodNotAllowed('', DEFAULT_METHODS)
return await method()
class DBCrud(RestEndpoint):
def __init__(self, request,dbname,tablename, id=None):
print(f'***{dbname}*{tablename}*{id}************')
super().__init__()
self.dbname = dbname
self.tablename = tablename
self.request = request
self.id = id
try:
self.crud = CRUD(dbname,tablename)
except Exception as e:
print('e=',e)
raise HTTPNotFound
async def options(self) -> Response:
try:
d = await self.crud.I()
return json_response(Success(d))
except Exception as e:
print(e)
return json_response(Error(errno='metaerror',msg='get metadata error'))
async def get(self) -> Response:
"""
query data
"""
try:
ns = multiDict2Dict(self.request.query)
if self.id is not None:
ns['__id'] = self.id
d = await self.crud.R(NS=ns)
return json_response(Success(d))
except Exception as e:
print(e)
return json_response(Error(errno='search error',msg='search error'))
async def post(self):
"""
insert data
"""
try:
ns = multiDict2Dict(await self.request.post())
d = await self.crud.C(ns)
return json_response(Success(d))
except Exception as e:
print(e)
return json_response(Error(errno='add error',msg='add error'))
async def put(self):
"""
update data
"""
try:
ns = multiDict2Dict(await self.request.post())
d = await self.crud.U(ns)
return json_response(Success(''))
except Exception as e:
print(e)
return json_response(Error(errno='update error',msg='update error'))
async def delete(self, request: Request, instance_id):
"""
delete data
"""
try:
ns = multiDict2Dict(self.request.query)
d = await self.crud.D(ns)
return json_response(Success(d))
except Exception as e:
print(e)
return json_response(Error(erron='delete error',msg='error'))