[#30] preset: PEP 8 refactor

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>

scenarios/preset/preset_grpc.py

@@ -27,7 +27,7 @@ print(args)
 def main():
     container_list = []
     objects_struct = []
-    payload_filepath='/tmp/data_file'
+    payload_filepath = '/tmp/data_file'
 
     if args.update:
         # Open file
@@ -54,20 +54,20 @@ def main():
     for container in container_list:
         print(f" > Upload objects for container {container}")
         with ProcessPoolExecutor(max_workers=50) as executor:
-            objects_runs = {executor.submit(upload_object, container, payload_filepath): _ for _ in range(int(args.preload_obj))}
+            objects_runs = {executor.submit(upload_object, container, payload_filepath): _ for _ in
+                            range(int(args.preload_obj))}
 
         for run in objects_runs:
             if run.result() is not None:
                 objects_struct.append({'container': container, 'object': run.result()})
         print(f" > Upload objects for container {container}: Completed")
 
-
     print("Upload objects to each container: Completed")
 
-    data = { 'containers': container_list, 'objects': objects_struct, 'obj_size': args.size + " Kb"  }
+    data = {'containers': container_list, 'objects': objects_struct, 'obj_size': args.size + " Kb"}
 
     with open(args.out, 'w') as f:
-       json.dump(data, f, ensure_ascii=False)
+        json.dump(data, f, ensure_ascii=False)
 
     print(f"Result:")
     print(f" > Total Containers has been created: {len(container_list)}.")
@@ -75,8 +75,8 @@ def main():
 
 
 def random_payload(payload_filepath):
-    with open('%s'%payload_filepath, 'wb') as fout:
+    with open('%s' % payload_filepath, 'wb') as fout:
-        fout.write(os.urandom(1024*int(args.size))) 
+        fout.write(os.urandom(1024 * int(args.size)))
 
 
 def execute_cmd(cmd_line):
@@ -104,6 +104,7 @@ def create_container():
             fst_str = output.split('\n')[0]
         except Exception:
             print(f"Got empty output: {output}")
+            return
         splitted = fst_str.split(": ")
         if len(splitted) != 2:
             raise ValueError(f"no CID was parsed from command output: \t{fst_str}")
@@ -123,6 +124,7 @@ def upload_object(container, payload_filepath):
             snd_str = out.split('\n')[1]
         except:
             print(f"Got empty input: {out}")
+            return
         splitted = snd_str.split(": ")
         if len(splitted) != 2:
             raise Exception(f"no OID was parsed from command output: \t{snd_str}")

scenarios/preset/preset_s3.py

@@ -1,16 +1,14 @@
 #!/usr/bin/python3
 
-from multiprocessing import Process
+import argparse
-import uuid
-import shlex
-from subprocess import check_output, CalledProcessError, STDOUT
 import json
 import os
-import argparse, sys
+import shlex
-
+import uuid
 from concurrent.futures import ProcessPoolExecutor
+from subprocess import check_output, CalledProcessError, STDOUT
 
-parser=argparse.ArgumentParser()
+parser = argparse.ArgumentParser()
 
 parser.add_argument('--size', help='Upload objects size in kb.')
 parser.add_argument('--buckets', help='Number of buckets to create.')
@@ -21,15 +19,14 @@ parser.add_argument('--update', help='True/False, False by default. Save existed
 parser.add_argument('--location', help='AWS location. Will be empty, if has not be declared.')
 parser.add_argument('--versioning', help='True/False, False by default.')
 
-args=parser.parse_args()
+args = parser.parse_args()
 print(args)
 
 
 def main():
     bucket_list = []
     objects_struct = []
-    payload_filepath='/tmp/data_file'
+    payload_filepath = '/tmp/data_file'
-
 
     if args.update:
         # Open file
@@ -65,13 +62,12 @@ def main():
                 objects_struct.append({'bucket': bucket, 'object': run.result()})
         print(f" > Upload objects for bucket {bucket}: Completed")
 
-
     print("Upload objects to each bucket: Completed")
 
-    data = { 'buckets': bucket_list, 'objects': objects_struct, 'obj_size': args.size + " Kb"  }
+    data = {'buckets': bucket_list, 'objects': objects_struct, 'obj_size': args.size + " Kb"}
 
     with open(args.out, 'w') as f:
-       json.dump(data, f, ensure_ascii=False)
+        json.dump(data, f, ensure_ascii=False)
 
     print(f"Result:")
     print(f" > Total Buckets has been created: {len(bucket_list)}.")
@@ -79,8 +75,9 @@ def main():
 
 
 def random_payload(payload_filepath):
-    with open('%s'%payload_filepath, 'wb') as fout:
+    with open('%s' % payload_filepath, 'wb') as fout:
-        fout.write(os.urandom(1024*int(args.size))) 
+        fout.write(os.urandom(1024 * int(args.size)))
+
 
 def execute_cmd(cmd_line):
     args = shlex.split(cmd_line)
@@ -118,7 +115,7 @@ def create_bucket():
         bucket_create_marker = True
         print(f"cmd: {cmd_line}")
 
-    if (bucket_create_marker == True and args.versioning == "True"):
+    if bucket_create_marker and args.versioning == "True":
         out, success = execute_cmd(cmd_line_ver)
         if not success:
             print(f" > Bucket versioning has not been applied for bucket {bucket_name}.")
@@ -131,7 +128,7 @@ def create_bucket():
 def upload_object(bucket, payload_filepath):
     object_name = str(uuid.uuid4())
 
-    cmd_line = f"aws s3api put-object --bucket {bucket} --key {object_name} --body {payload_filepath} --endpoint http://{args.endpoint} "
+    cmd_line = f"aws s3api put-object --bucket {bucket} --key {object_name} --body {payload_filepath} --endpoint http://{args.endpoint}"
     out, success = execute_cmd(cmd_line)
 
     if not success:
@@ -142,5 +139,3 @@ def upload_object(bucket, payload_filepath):
 
 if __name__ == "__main__":
     main()
-
-