$ python test.py
---------START-HTTP---------
GET /vis-visit-staging?location= HTTP/1.1
Host: rgw.vis.ethz.ch
X-Amz-Date: 20181212T090719Z
X-Amz-Content-Sha256: UNSIGNED-PAYLOAD
Authorization: AWS4-HMAC-SHA256 Credential=JNG80IALJP9QQZQC9D77/20181212/us-east-1/s3/aws4_request, SignedHeaders=host;x-amz-content-sha256;x-amz-date, Signature=2f9c3ab5cd77f201dec0d2dd3fb7e751f89eced8c80c873c41686b6fe2f12394

HTTP/1.1 200
X-Amz-Request-Id: tx000000000000000320f33-005c10cfc7-190eaa9-default
Content-Length: 127
Date: Wed, 12 Dec 2018 09:07:19 GMT
---------END-HTTP---------
---------START-HTTP---------
POST /vis-visit-staging/visionen/gzds/test.pdf?uploads= HTTP/1.1
User-Agent: Minio (Linux; x86_64) minio-py/4.0.8
Content-Type: application/pdf
Host: rgw.vis.ethz.ch
X-Amz-Date: 20181212T090719Z
X-Amz-Content-Sha256: UNSIGNED-PAYLOAD
Authorization: AWS4-HMAC-SHA256 Credential=JNG80IALJP9QQZQC9D77/20181212/us-east-1/s3/aws4_request, SignedHeaders=content-type;host;user-agent;x-amz-content-sha256;x-amz-date, Signature=d76a85f594d8cc7eb1df9e4a68b605f48364892b17ed937c82bdf587141959ea

HTTP/1.1 200
X-Amz-Request-Id: tx000000000000000320f34-005c10cfc7-190eaa9-default
Content-Type: application/xml
Content-Length: 270
Date: Wed, 12 Dec 2018 09:07:19 GMT
---------END-HTTP---------
---------START-HTTP---------
PUT /vis-visit-staging/visionen/gzds/test.pdf?partNumber=1&uploadId=2%7EOAFGozUlbdCeflyvZp1Ofm9A7qZxNew HTTP/1.1
User-Agent: Minio (Linux; x86_64) minio-py/4.0.8
Content-Length: 5242880
Content-Md5: 7SeVNIu4z8uaHxUgK/pvRA==
Host: rgw.vis.ethz.ch
X-Amz-Date: 20181212T090720Z
X-Amz-Content-Sha256: UNSIGNED-PAYLOAD
Authorization: AWS4-HMAC-SHA256 Credential=JNG80IALJP9QQZQC9D77/20181212/us-east-1/s3/aws4_request, SignedHeaders=content-length;content-md5;host;user-agent;x-amz-content-sha256;x-amz-date, Signature=19e99498115ea94210ffae43f758a35b966ceea512b308b336c4e57efdb2f678

HTTP/1.1 403
Content-Length: 200
X-Amz-Request-Id: tx000000000000000320f35-005c10cfc8-190eaa9-default
Accept-Ranges: bytes
Content-Type: application/xml
Date: Wed, 12 Dec 2018 09:07:20 GMT
b''---------END-HTTP---------
---------START-HTTP---------
PUT /vis-visit-staging/visionen/gzds/test.pdf?partNumber=3&uploadId=2%7EOAFGozUlbdCeflyvZp1Ofm9A7qZxNew HTTP/1.1
User-Agent: Minio (Linux; x86_64) minio-py/4.0.8
Content-Length: 5242880
Content-Md5: /Nn7Fl1uETASDHSVUt9AHw==
Host: rgw.vis.ethz.ch
X-Amz-Date: 20181212T090720Z
X-Amz-Content-Sha256: UNSIGNED-PAYLOAD
Authorization: AWS4-HMAC-SHA256 Credential=JNG80IALJP9QQZQC9D77/20181212/us-east-1/s3/aws4_request, SignedHeaders=content-length;content-md5;host;user-agent;x-amz-content-sha256;x-amz-date, Signature=324295fb1abb42b9f7853b21ec7fb1874f62c548c02cd2dd27cf502f9b71663c

HTTP/1.1 403
Content-Length: 200
X-Amz-Request-Id: tx000000000000000320f37-005c10cfc8-190eaa9-default
Accept-Ranges: bytes
Content-Type: application/xml
Date: Wed, 12 Dec 2018 09:07:20 GMT
b''---------END-HTTP---------
---------START-HTTP---------
PUT /vis-visit-staging/visionen/gzds/test.pdf?partNumber=2&uploadId=2%7EOAFGozUlbdCeflyvZp1Ofm9A7qZxNew HTTP/1.1
User-Agent: Minio (Linux; x86_64) minio-py/4.0.8
Content-Length: 5242880
Content-Md5: LCb+0Fzn/kZLe94auzcQ8g==
Host: rgw.vis.ethz.ch
X-Amz-Date: 20181212T090720Z
X-Amz-Content-Sha256: UNSIGNED-PAYLOAD
Authorization: AWS4-HMAC-SHA256 Credential=JNG80IALJP9QQZQC9D77/20181212/us-east-1/s3/aws4_request, SignedHeaders=content-length;content-md5;host;user-agent;x-amz-content-sha256;x-amz-date, Signature=37baea471a66cf90eafe714a022722ab682fd19957a249b45b9b60297d678eaa

HTTP/1.1 403
Content-Length: 200
X-Amz-Request-Id: tx000000000000000320f36-005c10cfc8-190eaa9-default
Accept-Ranges: bytes
Content-Type: application/xml
Date: Wed, 12 Dec 2018 09:07:20 GMT
b''---------END-HTTP---------
---------START-HTTP---------
GET /vis-visit-staging?location= HTTP/1.1
Host: rgw.vis.ethz.ch
X-Amz-Date: 20181212T090724Z
X-Amz-Content-Sha256: UNSIGNED-PAYLOAD
Authorization: AWS4-HMAC-SHA256 Credential=JNG80IALJP9QQZQC9D77/20181212/us-east-1/s3/aws4_request, SignedHeaders=host;x-amz-content-sha256;x-amz-date, Signature=703a8075646122e1992638ba0cc5ddbb893b39beda9896bf4c7e1deabff9937c

HTTP/1.1 200
X-Amz-Request-Id: tx000000000000000320f40-005c10cfcd-190eaa9-default
Content-Length: 127
Date: Wed, 12 Dec 2018 09:07:25 GMT
---------END-HTTP---------
---------START-HTTP---------
DELETE /vis-visit-staging/visionen/gzds/test.pdf?uploadId=2%7EOAFGozUlbdCeflyvZp1Ofm9A7qZxNew HTTP/1.1
User-Agent: Minio (Linux; x86_64) minio-py/4.0.8
Host: rgw.vis.ethz.ch
X-Amz-Date: 20181212T090725Z
X-Amz-Content-Sha256: UNSIGNED-PAYLOAD
Authorization: AWS4-HMAC-SHA256 Credential=JNG80IALJP9QQZQC9D77/20181212/us-east-1/s3/aws4_request, SignedHeaders=host;user-agent;x-amz-content-sha256;x-amz-date, Signature=ea1a55edcf65b894508961d7f866cd27302e9b0c86b0f944902fa57e54f37157

HTTP/1.1 403
Content-Length: 200
X-Amz-Request-Id: tx000000000000000320f41-005c10cfcd-190eaa9-default
Accept-Ranges: bytes
Content-Type: application/xml
Date: Wed, 12 Dec 2018 09:07:25 GMT
b''---------END-HTTP---------
Traceback (most recent call last):
  File "/home/philippe/temp/minio-py-debug/.venv/lib/python3.6/site-packages/minio/api.py", line 1555, in _stream_put_object
    upload_result = pool.result()
  File "/home/philippe/temp/minio-py-debug/.venv/lib/python3.6/site-packages/minio/thread_pool.py", line 92, in result
    raise self.exceptions_queue.get()
  File "/home/philippe/temp/minio-py-debug/.venv/lib/python3.6/site-packages/minio/thread_pool.py", line 57, in run
    result = func(*args, **kargs)
  File "/home/philippe/temp/minio-py-debug/.venv/lib/python3.6/site-packages/minio/api.py", line 1502, in _upload_part_routine
    upload_id, part_number, sse=sse)
  File "/home/philippe/temp/minio-py-debug/.venv/lib/python3.6/site-packages/minio/api.py", line 1491, in _do_put_object
    content_sha256=sha256_hex
  File "/home/philippe/temp/minio-py-debug/.venv/lib/python3.6/site-packages/minio/api.py", line 1832, in _url_open
    object_name).get_exception()
minio.error.SignatureDoesNotMatch: SignatureDoesNotMatch: message: The request signature we calculated does not match the signature you provided.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "test.py", line 15, in <module>
    file_stat.st_size, content_type='application/pdf')
  File "/home/philippe/temp/minio-py-debug/.venv/lib/python3.6/site-packages/minio/api.py", line 782, in put_object
    data, length, metadata=metadata, sse=sse)
  File "/home/philippe/temp/minio-py-debug/.venv/lib/python3.6/site-packages/minio/api.py", line 1561, in _stream_put_object
    upload_id)
  File "/home/philippe/temp/minio-py-debug/.venv/lib/python3.6/site-packages/minio/api.py", line 1618, in _remove_incomplete_upload
    headers={})
  File "/home/philippe/temp/minio-py-debug/.venv/lib/python3.6/site-packages/minio/api.py", line 1832, in _url_open
    object_name).get_exception()
minio.error.SignatureDoesNotMatch: SignatureDoesNotMatch: message: The request signature we calculated does not match the signature you provided.

$