Replace gzip usage with open()

Author: DavidLandup0

tdclient/job_api.py

@@ -1,7 +1,6 @@
 #!/usr/bin/env python
 
 import codecs
-import gzip
 import json
 import logging
 import os
@@ -260,9 +259,9 @@ def job_result_format_each(
                 raise ValueError("store_tmpfile works only when format is msgpack")
 
             with tempfile.TemporaryDirectory() as tempdir:
-                path = os.path.join(tempdir, f"{job_id}.msgpack.gz")
+                path = os.path.join(tempdir, f"{job_id}.msgpack")
                 self.download_job_result(job_id, path, num_threads)
-                with gzip.GzipFile(path, "rb") as f:
+                with open(path, "rb") as f:
                     unpacker = msgpack.Unpacker(
                         f, raw=False, max_buffer_size=1000 * 1024**2
                     )
@@ -309,7 +308,7 @@ def download_job_result(self, job_id, path, num_threads=4):
         url = create_url(
             "/v3/job/result/{job_id}?format={format}",
             job_id=job_id,
-            format="msgpack.gz",
+            format="msgpack",
         )
 
         def get_chunk(url, start, end):
@@ -322,8 +321,10 @@ def download_chunk(url, start, end, index, file_name):
             with get_chunk(url, start, end) as response:
                 if response.status == 206:  # Partial content (range supported)
                     with open(f"{file_name}.part{index}", "wb") as f:
-                        for chunk in response.stream(1024):
-                            f.write(chunk)
+                        for chunk in response.stream(128 * 1024):
+                            if chunk:
+                                f.write(chunk)
+
                     return True
                 else:
                     log.warning(