Use pyproject.toml (#598)

Author: methane

.gitignore

@@ -10,5 +10,4 @@
 .tox/
 build/
 dist/
-MySQLdb/release.py
 .coverage

MANIFEST.in

@@ -1,12 +1,7 @@
 recursive-include doc *.rst
 recursive-include tests *.py
 include doc/conf.py
-include MANIFEST.in
 include HISTORY.rst
 include README.md
 include LICENSE
-include metadata.cfg
 include site.cfg
-include setup_common.py
-include setup_posix.py
-include setup_windows.py

Makefile

@@ -14,3 +14,8 @@ clean:
 	find . -name '*.pyc' -delete
 	find . -name '__pycache__' -delete
 	rm -rf build
+
+.PHONY: check
+check:
+	ruff .
+	black *.py MySQLdb

MySQLdb/__init__.py

@@ -13,15 +13,14 @@
 MySQLdb.converters module.
 """
 
-# Check if the version of _mysql matches the version of MySQLdb.
-from MySQLdb.release import version_info
+from .release import version_info
 from . import _mysql
 
 if version_info != _mysql.version_info:
     raise ImportError(
-        "this is MySQLdb version {}, but _mysql is version {!r}\n_mysql: {!r}".format(
-            version_info, _mysql.version_info, _mysql.__file__
-        )
+        f"this is MySQLdb version {version_info}, "
+        f"but _mysql is version {_mysql.version_info!r}\n"
+        f"_mysql: {_mysql.__file__!r}"
     )
 
 

MySQLdb/release.py

@@ -0,0 +1,3 @@
+__author__ = "Inada Naoki <songofacandy@gmail.com>"
+version_info = (2, 2, 0, "dev", 0)
+__version__ = "2.2.0.dev0"

metadata.cfg

@@ -0,0 +1,48 @@
+[project]
+name = "mysqlclient"
+# version = "2.2.0dev0"
+description = "Python interface to MySQL"
+readme = "README.md"
+requires-python = ">=3.8"
+authors = [
+    {name = "Inada Naoki", email = "songofacandy@gmail.com"}
+]
+license = {text = "GNU General Public License v2 (GPLv2)"}
+keywords = ["MySQL"]
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Environment :: Other Environment",
+    "License :: OSI Approved :: GNU General Public License (GPL)",
+    "Operating System :: MacOS :: MacOS X",
+    "Operating System :: Microsoft :: Windows :: Windows NT/2000",
+    "Operating System :: OS Independent",
+    "Operating System :: POSIX",
+    "Operating System :: POSIX :: Linux",
+    "Operating System :: Unix",
+    "Programming Language :: C",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Topic :: Database",
+    "Topic :: Database :: Database Engines/Servers",
+]
+dynamic = ["version"]
+
+[project.urls]
+Project = "https://github.com/PyMySQL/mysqlclient"
+Documentation = "https://mysqlclient.readthedocs.io/"
+
+[build-system]
+requires = ["setuptools>=61"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools.packages.find]
+namespaces = false
+include = ["MySQLdb*"]
+exclude = ["tests*", "pymysql.tests*"]
+
+[tool.setuptools.dynamic]
+version = {attr = "MySQLdb.release.__version__"}

pyproject.toml

@@ -1,22 +1,171 @@
 #!/usr/bin/env python
-
 import os
+import subprocess
+import sys
 
 import setuptools
+from configparser import ConfigParser
+
+
+release_info = {}
+with open("MySQLdb/release.py", encoding="utf-8") as f:
+    exec(f.read(), None, release_info)
+
+
+def find_package_name():
+    """Get available pkg-config package name"""
+    packages = ["mysqlclient", "mariadb"]
+    for pkg in packages:
+        try:
+            cmd = f"pkg-config --exists {pkg}"
+            print(f"Trying {cmd}")
+            subprocess.check_call(cmd, shell=True)
+        except subprocess.CalledProcessError as err:
+            print(err)
+        else:
+            return pkg
+    raise Exception(
+        "Can not find valid pkg-config name.\n"
+        "Specify MYSQLCLIENT_CFLAGS and MYSQLCLIENT_LDFLAGS env vars manually"
+    )
+
+
+def get_config_posix(options=None):
+    # allow a command-line option to override the base config file to permit
+    # a static build to be created via requirements.txt
+    # TODO: find a better way for
+    static = False
+    if "--static" in sys.argv:
+        static = True
+        sys.argv.remove("--static")
+
+    ldflags = os.environ.get("MYSQLCLIENT_LDFLAGS")
+    cflags = os.environ.get("MYSQLCLIENT_CFLAGS")
+
+    pkg_name = None
+    static_opt = " --static" if static else ""
+    if not (cflags and ldflags):
+        pkg_name = find_package_name()
+    if not cflags:
+        cflags = subprocess.check_output(
+            f"pkg-config{static_opt} --cflags {pkg_name}", encoding="utf-8", shell=True
+        )
+    if not ldflags:
+        ldflags = subprocess.check_output(
+            f"pkg-config{static_opt} --libs {pkg_name}", encoding="utf-8", shell=True
+        )
+
+    cflags = cflags.split()
+    for f in cflags:
+        if f.startswith("-std="):
+            break
+    else:
+        cflags += ["-std=c99"]
+
+    ldflags = ldflags.split()
+
+    define_macros = [
+        ("version_info", release_info["version_info"]),
+        ("__version__", release_info["__version__"]),
+    ]
+
+    ext_options = dict(
+        extra_compile_args=cflags,
+        extra_link_args=ldflags,
+        define_macros=define_macros,
+    )
+    # newer versions of gcc require libstdc++ if doing a static build
+    if static:
+        ext_options["language"] = "c++"
+
+    print("Options for building extention module:")
+    for k, v in ext_options.items():
+        print(f"  {k}: {v}")
+
+    return ext_options
+
+
+def get_config_win32(options):
+    client = "mariadbclient"
+    connector = os.environ.get("MYSQLCLIENT_CONNECTOR", options.get("connector"))
+    if not connector:
+        connector = os.path.join(
+            os.environ["ProgramFiles"], "MariaDB", "MariaDB Connector C"
+        )
+
+    extra_objects = []
+
+    library_dirs = [
+        os.path.join(connector, "lib", "mariadb"),
+        os.path.join(connector, "lib"),
+    ]
+    libraries = [
+        "kernel32",
+        "advapi32",
+        "wsock32",
+        "shlwapi",
+        "Ws2_32",
+        "crypt32",
+        "secur32",
+        "bcrypt",
+        client,
+    ]
+    include_dirs = [
+        os.path.join(connector, "include", "mariadb"),
+        os.path.join(connector, "include"),
+    ]
+
+    extra_link_args = ["/MANIFEST"]
+
+    define_macros = [
+        ("version_info", release_info["version_info"]),
+        ("__version__", release_info["__version__"]),
+    ]
+
+    ext_options = dict(
+        library_dirs=library_dirs,
+        libraries=libraries,
+        extra_link_args=extra_link_args,
+        include_dirs=include_dirs,
+        extra_objects=extra_objects,
+        define_macros=define_macros,
+    )
+    return ext_options
+
+
+def enabled(options, option):
+    value = options[option]
+    s = value.lower()
+    if s in ("yes", "true", "1", "y"):
+        return True
+    elif s in ("no", "false", "0", "n"):
+        return False
+    else:
+        raise ValueError(f"Unknown value {value} for option {option}")
+
+
+def get_options():
+    config = ConfigParser()
+    config.read(["site.cfg"])
+    options = dict(config.items("options"))
+    options["static"] = enabled(options, "static")
+    return options
+
 
-if os.name == "posix":
-    from setup_posix import get_config
-else:  # assume windows
-    from setup_windows import get_config
+if sys.platform == "win32":
+    ext_options = get_config_win32(get_options())
+else:
+    ext_options = get_config_posix(get_options())
 
-with open("README.md", encoding="utf-8") as f:
-    readme = f.read()
+print("# Extention options")
+for k, v in ext_options.items():
+    print(f"  {k}: {v}")
 
-metadata, options = get_config()
-metadata["ext_modules"] = [
-    setuptools.Extension("MySQLdb._mysql", sources=["MySQLdb/_mysql.c"], **options)
+ext_modules = [
+    setuptools.Extension(
+        "MySQLdb._mysql",
+        sources=["MySQLdb/_mysql.c"],
+        **ext_options,
+    )
 ]
-metadata["long_description"] = readme
-metadata["long_description_content_type"] = "text/markdown"
-metadata["python_requires"] = ">=3.7"
-setuptools.setup(**metadata)
+setuptools.setup(ext_modules=ext_modules)