From 3c4d4f35351b1691993984503a6380d2fc635681 Mon Sep 17 00:00:00 2001
From: Simon Willison <swillison@gmail.com>
Date: Sun, 23 Jun 2019 15:28:14 -0700
Subject: [PATCH] Replaced sanic.exceptions.NotFound

---
 datasette/app.py         | 2 +-
 datasette/utils/asgi.py  | 4 ++++
 datasette/views/base.py  | 3 +--
 datasette/views/table.py | 2 +-
 4 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/datasette/app.py b/datasette/app.py
index 978fb7e7..9debfa1e 100644
--- a/datasette/app.py
+++ b/datasette/app.py
@@ -12,7 +12,6 @@ from pathlib import Path
 import click
 from markupsafe import Markup
 from jinja2 import ChoiceLoader, Environment, FileSystemLoader, PrefixLoader
-from sanic.exceptions import NotFound
 
 from .views.base import DatasetteError, ureg, AsgiRouter
 from .views.database import DatabaseDownload, DatabaseView
@@ -35,6 +34,7 @@ from .utils import (
 )
 from .utils.asgi import (
     AsgiLifespan,
+    NotFound,
     asgi_static,
     asgi_send,
     asgi_send_html,
diff --git a/datasette/utils/asgi.py b/datasette/utils/asgi.py
index 1cbdd583..56a7a79a 100644
--- a/datasette/utils/asgi.py
+++ b/datasette/utils/asgi.py
@@ -7,6 +7,10 @@ import re
 import aiofiles
 
 
+class NotFound(Exception):
+    pass
+
+
 class AsgiRouter:
     def __init__(self, routes=None):
         routes = routes or []
diff --git a/datasette/views/base.py b/datasette/views/base.py
index 8d514688..69a17315 100644
--- a/datasette/views/base.py
+++ b/datasette/views/base.py
@@ -8,7 +8,6 @@ import urllib
 import jinja2
 import pint
 from sanic import response
-from sanic.exceptions import NotFound
 
 from html import escape
 
@@ -27,7 +26,7 @@ from datasette.utils import (
     sqlite3,
     to_css_class,
 )
-from datasette.utils.asgi import AsgiStream, AsgiWriter, AsgiRouter, AsgiView
+from datasette.utils.asgi import AsgiStream, AsgiWriter, AsgiRouter, AsgiView, NotFound
 
 ureg = pint.UnitRegistry()
 
diff --git a/datasette/views/table.py b/datasette/views/table.py
index b5765ca4..06be5671 100644
--- a/datasette/views/table.py
+++ b/datasette/views/table.py
@@ -3,7 +3,6 @@ import itertools
 import json
 
 import jinja2
-from sanic.exceptions import NotFound
 
 from datasette.plugins import pm
 from datasette.utils import (
@@ -24,6 +23,7 @@ from datasette.utils import (
     urlsafe_components,
     value_as_boolean,
 )
+from datasette.utils.asgi import NotFound
 from datasette.filters import Filters
 from .base import DataView, DatasetteError, ureg