From 7e756ad0975195ac84c902789fa5904ccf0efabd Mon Sep 17 00:00:00 2001
From: Simon Willison <swillison@gmail.com>
Date: Sun, 30 Dec 2018 21:37:00 -0800
Subject: [PATCH] Upgrade Sanic to 18.12.0

Had to fix CSV streaming generation to correctly use await.
---
 datasette/utils.py      | 4 ++--
 datasette/views/base.py | 8 ++++----
 setup.py                | 2 +-
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/datasette/utils.py b/datasette/utils.py
index 6407857d..cb65c57b 100644
--- a/datasette/utils.py
+++ b/datasette/utils.py
@@ -884,13 +884,13 @@ class LimitedWriter:
         self.limit_bytes = limit_mb * 1024 * 1024
         self.bytes_count = 0
 
-    def write(self, bytes):
+    async def write(self, bytes):
         self.bytes_count += len(bytes)
         if self.limit_bytes and (self.bytes_count > self.limit_bytes):
             raise WriteLimitExceeded("CSV contains more than {} bytes".format(
                 self.limit_bytes
             ))
-        self.writer.write(bytes)
+        await self.writer.write(bytes)
 
 
 _infinities = {float("inf"), float("-inf")}
diff --git a/datasette/views/base.py b/datasette/views/base.py
index e9d8f14f..a0a31b7c 100644
--- a/datasette/views/base.py
+++ b/datasette/views/base.py
@@ -261,13 +261,13 @@ class BaseView(RenderMixin):
                             request, database, hash, **kwargs
                         )
                     if first:
-                        writer.writerow(headings)
+                        await writer.writerow(headings)
                         first = False
                     next = data.get("next")
                     for row in data["rows"]:
                         if not expanded_columns:
                             # Simple path
-                            writer.writerow(row)
+                            await writer.writerow(row)
                         else:
                             # Look for {"value": "label": } dicts and expand
                             new_row = []
@@ -277,10 +277,10 @@ class BaseView(RenderMixin):
                                     new_row.append(cell["label"])
                                 else:
                                     new_row.append(cell)
-                            writer.writerow(new_row)
+                            await writer.writerow(new_row)
                 except Exception as e:
                     print('caught this', e)
-                    r.write(str(e))
+                    await r.write(str(e))
                     return
 
         content_type = "text/plain; charset=utf-8"
diff --git a/setup.py b/setup.py
index 7edd78a1..175944d6 100644
--- a/setup.py
+++ b/setup.py
@@ -36,7 +36,7 @@ setup(
     install_requires=[
         'click==6.7',
         'click-default-group==1.2',
-        'Sanic==0.7.0',
+        'sanic==18.12.0',
         'Jinja2==2.10',
         'hupper==1.0',
         'pint==0.8.1',