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I am building a tiny web server using adafruit_httpserver.server and circuitpython 8.0.0-beta.5 on ESP32-S2.
When multibyte characters (Japanese) are included in response body, the content-length header value received by a web client looks shorter, and some tailing characters in the body are missing.
page_html = """
<html>
<head><title>test</title></head>
<body>
some text in multibyte language here..
</body>
</html>
"""
@server.route("/test")
def base(request):
return HTTPResponse(content_type='text/html;charset=UTF-8',body=page_html)
$ curl -v http://192.168.xx.xx/test
:
< HTTP/1.1 200 OK
< Content-Length: 117
< Content-Type: text/html;charset=UTF-8
< Connection: close
<
* Excess found in a read: excess = 10, size = 117, maxdownload = 117, bytecount = 0
(html response are shown, but the last several characters in body are missing)
Looking into adafruit_httpserver/response.py, content-length is calculated as len(body), as in,
response_headers.setdefault("Content-Length", content_length or len(body))
and the whole response are sent after converted into bytes.
If I replace it with len(body.encode("utf-8")), the above trouble disappears, but I'm not sure this modification is right.
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