Update setuptools and black (#498)

* Use setuptools
* Use black==22.1.0

13 files changed, 83 insertions, 84 deletions

diff --git a/.github/workflows/black.yaml b/.github/workflows/black.yaml
index 2961ed3..be137ae 100644
--- a/.github/workflows/black.yaml
+++ b/.github/workflows/black.yaml
@@ -17,9 +17,9 @@ jobs:
           architecture: 'x64'
 
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
 
       - name: Black Code Formatter
         run: |
-          pip install black
-          black --diff --check msgpack/ test/ setup.py
+          pip install black==22.1.0
+          black -S --diff --check msgpack/ test/ setup.py
diff --git a/Makefile b/Makefile
index 02a4a17..415dcfd 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ all: cython
 
 .PHONY: black
 black:
-	black msgpack/ test/ setup.py
+	black -S msgpack/ test/ setup.py
 
 .PHONY: cython
 cython:
diff --git a/msgpack/__init__.py b/msgpack/__init__.py
index d6705e2..1929df3 100644
--- a/msgpack/__init__.py
+++ b/msgpack/__init__.py
@@ -1,5 +1,4 @@
 # coding: utf-8
-from ._version import version
 from .exceptions import *
 from .ext import ExtType, Timestamp
 
@@ -7,6 +6,10 @@ import os
 import sys
 
 
+version = (1, 0, 4, 'dev')
+__version__ = "1.0.4dev"
+
+
 if os.environ.get("MSGPACK_PUREPYTHON") or sys.version_info[0] == 2:
     from .fallback import Packer, unpackb, Unpacker
 else:
diff --git a/msgpack/_version.py b/msgpack/_version.py
deleted file mode 100644
index fb878b3..0000000
--- a/msgpack/_version.py
+++ /dev/null
@@ -1 +0,0 @@
-version = (1, 0, 3)
diff --git a/msgpack/ext.py b/msgpack/ext.py
index 4eb9dd6..25544c5 100644
--- a/msgpack/ext.py
+++ b/msgpack/ext.py
@@ -59,7 +59,7 @@ class Timestamp(object):
             raise TypeError("seconds must be an interger")
         if not isinstance(nanoseconds, int_types):
             raise TypeError("nanoseconds must be an integer")
-        if not (0 <= nanoseconds < 10 ** 9):
+        if not (0 <= nanoseconds < 10**9):
             raise ValueError(
                 "nanoseconds must be a non-negative integer less than 999999999."
             )
@@ -143,7 +143,7 @@ class Timestamp(object):
         :type unix_float: int or float.
         """
         seconds = int(unix_sec // 1)
-        nanoseconds = int((unix_sec % 1) * 10 ** 9)
+        nanoseconds = int((unix_sec % 1) * 10**9)
         return Timestamp(seconds, nanoseconds)
 
     def to_unix(self):
@@ -161,7 +161,7 @@ class Timestamp(object):
         :param int unix_ns: Posix timestamp in nanoseconds.
         :rtype: Timestamp
         """
-        return Timestamp(*divmod(unix_ns, 10 ** 9))
+        return Timestamp(*divmod(unix_ns, 10**9))
 
     def to_unix_nano(self):
         """Get the timestamp as a unixtime in nanoseconds.
@@ -169,7 +169,7 @@ class Timestamp(object):
         :returns: posix timestamp in nanoseconds
         :rtype: int
         """
-        return self.seconds * 10 ** 9 + self.nanoseconds
+        return self.seconds * 10**9 + self.nanoseconds
 
     def to_datetime(self):
         """Get the timestamp as a UTC datetime.
diff --git a/msgpack/fallback.py b/msgpack/fallback.py
index 9731a22..5f215e9 100644
--- a/msgpack/fallback.py
+++ b/msgpack/fallback.py
@@ -318,7 +318,7 @@ class Unpacker(object):
         self._buf_checkpoint = 0
 
         if not max_buffer_size:
-            max_buffer_size = 2 ** 31 - 1
+            max_buffer_size = 2**31 - 1
         if max_str_len == -1:
             max_str_len = max_buffer_size
         if max_bin_len == -1:
@@ -800,20 +800,20 @@ class Packer(object):
                 raise OverflowError("Integer value out of range")
             if check(obj, (bytes, bytearray)):
                 n = len(obj)
-                if n >= 2 ** 32:
+                if n >= 2**32:
                     raise ValueError("%s is too large" % type(obj).__name__)
                 self._pack_bin_header(n)
                 return self._buffer.write(obj)
             if check(obj, unicode):
                 obj = obj.encode("utf-8", self._unicode_errors)
                 n = len(obj)
-                if n >= 2 ** 32:
+                if n >= 2**32:
                     raise ValueError("String is too large")
                 self._pack_raw_header(n)
                 return self._buffer.write(obj)
             if check(obj, memoryview):
                 n = len(obj) * obj.itemsize
-                if n >= 2 ** 32:
+                if n >= 2**32:
                     raise ValueError("Memoryview is too large")
                 self._pack_bin_header(n)
                 return self._buffer.write(obj)
@@ -895,7 +895,7 @@ class Packer(object):
             return ret
 
     def pack_array_header(self, n):
-        if n >= 2 ** 32:
+        if n >= 2**32:
             raise ValueError
         self._pack_array_header(n)
         if self._autoreset:
@@ -904,7 +904,7 @@ class Packer(object):
             return ret
 
     def pack_map_header(self, n):
-        if n >= 2 ** 32:
+        if n >= 2**32:
             raise ValueError
         self._pack_map_header(n)
         if self._autoreset:
diff --git a/requirements.txt b/requirements.txt
index 180fe85..9bdb478 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,5 @@
 # Also declared in pyproject.toml, if updating here please also update there
 Cython~=0.29.13
+
+# dev only tools. no need to add pyproject
+black==22.1.0
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..1cb6ce3
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,32 @@
+[metadata]
+name = msgpack
+#version = attr: msgpack.__version__
+version = attr: msgpack.version
+license = Apache 2.0
+author = Inada Naoki
+author_email = songofacandy@gmail.com
+description = MessagePack serializer
+long_description = file: README.md
+long_description_content_type = text/markdown
+url = https://msgpack.org/
+
+project_urls =
+    Documentation = https://msgpack-python.readthedocs.io/
+    Source = https://github.com/msgpack/msgpack-python
+    Tracker = https://github.com/msgpack/msgpack-python/issues
+
+classifiers =
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
+    Programming Language :: Python :: Implementation :: CPython
+    Programming Language :: Python :: Implementation :: PyPy
+    Intended Audience :: Developers
+    License :: OSI Approved :: Apache Software License
+
+[flake8]
+max_line_length = 100
+
diff --git a/setup.py b/setup.py
index 502ed33..9630cda 100755
--- a/setup.py
+++ b/setup.py
@@ -4,10 +4,9 @@ import io
 import os
 import sys
 from glob import glob
-from distutils.command.sdist import sdist
 from setuptools import setup, Extension
-
-from distutils.command.build_ext import build_ext
+from setuptools.command.build_ext import build_ext
+from setuptools.command.sdist import sdist
 
 
 PYPY = hasattr(sys, "pypy_version_info")
@@ -65,12 +64,6 @@ class BuildExt(build_ext):
             print(e)
 
 
-exec(open("msgpack/_version.py").read())
-
-version_str = ".".join(str(x) for x in version[:3])
-if len(version) > 3 and version[3] != "final":
-    version_str += version[3]
-
 # Cython is required for sdist
 class Sdist(sdist):
     def __init__(self, *args, **kwargs):
@@ -99,39 +92,8 @@ if not PYPY and not PY2 and not os.environ.get("MSGPACK_PUREPYTHON"):
 del libraries, macros
 
 
-desc = "MessagePack (de)serializer."
-with io.open("README.md", encoding="utf-8") as f:
-    long_desc = f.read()
-del f
-
 setup(
-    name="msgpack",
-    author="Inada Naoki",
-    author_email="songofacandy@gmail.com",
-    version=version_str,
     cmdclass={"build_ext": BuildExt, "sdist": Sdist},
     ext_modules=ext_modules,
     packages=["msgpack"],
-    description=desc,
-    long_description=long_desc,
-    long_description_content_type="text/markdown",
-    url="https://msgpack.org/",
-    project_urls={
-        "Documentation": "https://msgpack-python.readthedocs.io/",
-        "Source": "https://github.com/msgpack/msgpack-python",
-        "Tracker": "https://github.com/msgpack/msgpack-python/issues",
-    },
-    license="Apache 2.0",
-    classifiers=[
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.6",
-        "Programming Language :: Python :: 3.7",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
-        "Programming Language :: Python :: Implementation :: CPython",
-        "Programming Language :: Python :: Implementation :: PyPy",
-        "Intended Audience :: Developers",
-        "License :: OSI Approved :: Apache Software License",
-    ],
 )
diff --git a/test/test_limits.py b/test/test_limits.py
index 65e6bcc..4314c2c 100644
--- a/test/test_limits.py
+++ b/test/test_limits.py
@@ -16,12 +16,12 @@ from msgpack import (
 
 
 def test_integer():
-    x = -(2 ** 63)
+    x = -(2**63)
     assert unpackb(packb(x)) == x
     with pytest.raises(PackOverflowError):
         packb(x - 1)
 
-    x = 2 ** 64 - 1
+    x = 2**64 - 1
     assert unpackb(packb(x)) == x
     with pytest.raises(PackOverflowError):
         packb(x + 1)
@@ -29,16 +29,16 @@ def test_integer():
 
 def test_array_header():
     packer = Packer()
-    packer.pack_array_header(2 ** 32 - 1)
+    packer.pack_array_header(2**32 - 1)
     with pytest.raises(PackValueError):
-        packer.pack_array_header(2 ** 32)
+        packer.pack_array_header(2**32)
 
 
 def test_map_header():
     packer = Packer()
-    packer.pack_map_header(2 ** 32 - 1)
+    packer.pack_map_header(2**32 - 1)
     with pytest.raises(PackValueError):
-        packer.pack_array_header(2 ** 32)
+        packer.pack_array_header(2**32)
 
 
 def test_max_str_len():
diff --git a/test/test_memoryview.py b/test/test_memoryview.py
index 86b2c1f..84941db 100644
--- a/test/test_memoryview.py
+++ b/test/test_memoryview.py
@@ -53,46 +53,46 @@ def test_fixstr_from_float():
 
 
 def test_str16_from_byte():
-    _runtest("B", 2 ** 8, b"\xda", b"\x01\x00", False)
-    _runtest("B", 2 ** 16 - 1, b"\xda", b"\xff\xff", False)
+    _runtest("B", 2**8, b"\xda", b"\x01\x00", False)
+    _runtest("B", 2**16 - 1, b"\xda", b"\xff\xff", False)
 
 
 def test_str16_from_float():
-    _runtest("f", 2 ** 8, b"\xda", b"\x01\x00", False)
-    _runtest("f", 2 ** 16 - 4, b"\xda", b"\xff\xfc", False)
+    _runtest("f", 2**8, b"\xda", b"\x01\x00", False)
+    _runtest("f", 2**16 - 4, b"\xda", b"\xff\xfc", False)
 
 
 def test_str32_from_byte():
-    _runtest("B", 2 ** 16, b"\xdb", b"\x00\x01\x00\x00", False)
+    _runtest("B", 2**16, b"\xdb", b"\x00\x01\x00\x00", False)
 
 
 def test_str32_from_float():
-    _runtest("f", 2 ** 16, b"\xdb", b"\x00\x01\x00\x00", False)
+    _runtest("f", 2**16, b"\xdb", b"\x00\x01\x00\x00", False)
 
 
 def test_bin8_from_byte():
     _runtest("B", 1, b"\xc4", b"\x01", True)
-    _runtest("B", 2 ** 8 - 1, b"\xc4", b"\xff", True)
+    _runtest("B", 2**8 - 1, b"\xc4", b"\xff", True)
 
 
 def test_bin8_from_float():
     _runtest("f", 4, b"\xc4", b"\x04", True)
-    _runtest("f", 2 ** 8 - 4, b"\xc4", b"\xfc", True)
+    _runtest("f", 2**8 - 4, b"\xc4", b"\xfc", True)
 
 
 def test_bin16_from_byte():
-    _runtest("B", 2 ** 8, b"\xc5", b"\x01\x00", True)
-    _runtest("B", 2 ** 16 - 1, b"\xc5", b"\xff\xff", True)
+    _runtest("B", 2**8, b"\xc5", b"\x01\x00", True)
+    _runtest("B", 2**16 - 1, b"\xc5", b"\xff\xff", True)
 
 
 def test_bin16_from_float():
-    _runtest("f", 2 ** 8, b"\xc5", b"\x01\x00", True)
-    _runtest("f", 2 ** 16 - 4, b"\xc5", b"\xff\xfc", True)
+    _runtest("f", 2**8, b"\xc5", b"\x01\x00", True)
+    _runtest("f", 2**16 - 4, b"\xc5", b"\xff\xfc", True)
 
 
 def test_bin32_from_byte():
-    _runtest("B", 2 ** 16, b"\xc6", b"\x00\x01\x00\x00", True)
+    _runtest("B", 2**16, b"\xc6", b"\x00\x01\x00\x00", True)
 
 
 def test_bin32_from_float():
-    _runtest("f", 2 ** 16, b"\xc6", b"\x00\x01\x00\x00", True)
+    _runtest("f", 2**16, b"\xc6", b"\x00\x01\x00\x00", True)
diff --git a/test/test_sequnpack.py b/test/test_sequnpack.py
index 6293a45..9f20c07 100644
--- a/test/test_sequnpack.py
+++ b/test/test_sequnpack.py
@@ -118,8 +118,8 @@ def test_issue124():
 
 def test_unpack_tell():
     stream = io.BytesIO()
-    messages = [2 ** i - 1 for i in range(65)]
-    messages += [-(2 ** i) for i in range(1, 64)]
+    messages = [2**i - 1 for i in range(65)]
+    messages += [-(2**i) for i in range(1, 64)]
     messages += [
         b"hello",
         b"hello" * 1000,
diff --git a/test/test_timestamp.py b/test/test_timestamp.py
index 4e26489..253228e 100644
--- a/test/test_timestamp.py
+++ b/test/test_timestamp.py
@@ -10,31 +10,31 @@ if sys.version_info[0] > 2:
 
 def test_timestamp():
     # timestamp32
-    ts = Timestamp(2 ** 32 - 1)
+    ts = Timestamp(2**32 - 1)
     assert ts.to_bytes() == b"\xff\xff\xff\xff"
     packed = msgpack.packb(ts)
     assert packed == b"\xd6\xff" + ts.to_bytes()
     unpacked = msgpack.unpackb(packed)
     assert ts == unpacked
-    assert ts.seconds == 2 ** 32 - 1 and ts.nanoseconds == 0
+    assert ts.seconds == 2**32 - 1 and ts.nanoseconds == 0
 
     # timestamp64
-    ts = Timestamp(2 ** 34 - 1, 999999999)
+    ts = Timestamp(2**34 - 1, 999999999)
     assert ts.to_bytes() == b"\xee\x6b\x27\xff\xff\xff\xff\xff"
     packed = msgpack.packb(ts)
     assert packed == b"\xd7\xff" + ts.to_bytes()
     unpacked = msgpack.unpackb(packed)
     assert ts == unpacked
-    assert ts.seconds == 2 ** 34 - 1 and ts.nanoseconds == 999999999
+    assert ts.seconds == 2**34 - 1 and ts.nanoseconds == 999999999
 
     # timestamp96
-    ts = Timestamp(2 ** 63 - 1, 999999999)
+    ts = Timestamp(2**63 - 1, 999999999)
     assert ts.to_bytes() == b"\x3b\x9a\xc9\xff\x7f\xff\xff\xff\xff\xff\xff\xff"
     packed = msgpack.packb(ts)
     assert packed == b"\xc7\x0c\xff" + ts.to_bytes()
     unpacked = msgpack.unpackb(packed)
     assert ts == unpacked
-    assert ts.seconds == 2 ** 63 - 1 and ts.nanoseconds == 999999999
+    assert ts.seconds == 2**63 - 1 and ts.nanoseconds == 999999999
 
     # negative fractional
     ts = Timestamp.from_unix(-2.3)  # s: -3, ns: 700000000