move project metadata to pyproject.toml (#555)

also: replace flake8 by ruff.

test/test_buffer.py

@@ -1,7 +1,5 @@
 #!/usr/bin/env python
 
-import sys
-import pytest
 from msgpack import packb, unpackb
 
 

test/test_memoryview.py

@@ -1,9 +1,7 @@
 #!/usr/bin/env python
 
-import pytest
 from array import array
 from msgpack import packb, unpackb
-import sys
 
 
 def make_array(f, data):

test/test_obj.py

@@ -33,7 +33,7 @@ def test_decode_pairs_hook():
     prod_sum = 1 * 2 + 3 * 4
     unpacked = unpackb(
         packed,
-        object_pairs_hook=lambda l: sum(k * v for k, v in l),
+        object_pairs_hook=lambda lst: sum(k * v for k, v in lst),
         use_list=1,
         strict_map_key=False,
     )
@@ -48,7 +48,7 @@ def test_only_one_obj_hook():
 def test_bad_hook():
     with raises(TypeError):
         packed = packb([3, 1 + 2j], default=lambda o: o)
-        unpacked = unpackb(packed, use_list=1)
+        unpackb(packed, use_list=1)
 
 
 def _arr_to_str(arr):

test/test_pack.py

@@ -3,12 +3,10 @@
 from collections import OrderedDict
 from io import BytesIO
 import struct
-import sys
 
 import pytest
-from pytest import raises, xfail
 
-from msgpack import packb, unpackb, Unpacker, Packer, pack
+from msgpack import packb, unpackb, Unpacker, Packer
 
 
 def check(data, use_list=False):

test/test_seq.py

@@ -34,7 +34,7 @@ def test_exceeding_unpacker_read_size():
 
     read_count = 0
     for idx, o in enumerate(unpacker):
-        assert type(o) == bytes
+        assert isinstance(o, bytes)
         assert o == gen_binary_data(idx)
         read_count += 1
 

test/test_subtype.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 
-from msgpack import packb, unpackb
+from msgpack import packb
 from collections import namedtuple
 
 

test/test_timestamp.py

@@ -1,5 +1,4 @@
 import pytest
-import sys
 import datetime
 import msgpack
 from msgpack.ext import Timestamp