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content-length for DB downloads, closes #905

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Simon Willison 2020-07-21 21:52:35 -07:00
commit 213e6a8926
2 changed files with 10 additions and 2 deletions
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datasette/utils/asgi.py
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@ -7,6 +7,7 @@ from html import escape
from http.cookies import SimpleCookie, Morsel
import re
import aiofiles
import aiofiles.os
# Workaround for adding samesite support to pre 3.8 python
Morsel._reserved["samesite"] = "SameSite"
@ -252,6 +253,7 @@ async def asgi_send_file(
if filename:
headers["Content-Disposition"] = 'attachment; filename="{}"'.format(filename)
first = True
headers["content-length"] = str((await aiofiles.os.stat(str(filepath))).st_size)
async with aiofiles.open(str(filepath), mode="rb") as fp:
if first:
await asgi_start(