python - Why do I get a 400 when uploading a file with boto? -

python - Why do I get a 400 when uploading a file with boto? -

i'm attempting upload file boto,

import io boto.s3 import connection boto.s3 import key conn = connection.s3connection() bucket = conn.get_bucket('my-bucket') my_key = key.key(bucket, 'asdf') d = b'this test....\n' * 512000 f = io.bytesio(d) my_key.send_file(f, size=4*1024)

however, results in:

boto.exception.s3responseerror: s3responseerror: 400 bad request <?xml version="1.0" encoding="utf-8"?><error><code>badrequest</code><message>an error occurred when parsing http request.</message><requestid>[hex request id]</requestid><hostid>[giant piece of base64]</hostid></error>

why request failing?

(note: whole reason i'm using send_file here because open apparently supports reading…)

for it's worth, replacing send_file() set_contents_from_file() worked me (i had same error).

python amazon-web-services amazon-s3 boto