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# coding=utf-8
from flask import Blueprint, render_template, jsonify
from flask.views import MethodView
from pysite.constants import ErrorCodes
class BaseView(MethodView):
name = None # type: str
def render(self, *template_names, **context):
context["current_page"] = self.name
context["view"] = self
return render_template(template_names, **context)
class RouteView(BaseView):
path = None # type: str
@classmethod
def setup(cls: "RouteView", blueprint: Blueprint):
if not cls.path or not cls.name:
raise RuntimeError("Route views must have both `path` and `name` defined")
blueprint.add_url_rule(cls.path, view_func=cls.as_view(cls.name))
class APIView(BaseView):
def error(self, error_code: ErrorCodes):
data = {
"error_code": error_code.value,
"error_message": "Unknown error"
}
if error_code is ErrorCodes.unknown_route:
data["error_message"] = "Unknown API route"
return jsonify(data)
class ErrorView(BaseView):
error_code = None # type: int
@classmethod
def setup(cls: "ErrorView", blueprint: Blueprint):
if not cls.name or not cls.error_code:
raise RuntimeError("Error views must have both `name` and `error_code` defined")
blueprint.errorhandler(cls.error_code)(cls.as_view(cls.name))
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