feature: Modernize the build and install system

Migrated from setup.py/setup.cfg to pyproject.toml-based build system while
maintaining all existing functionality including C extension builds. Created
.flake8 configuration file and updated all utility scripts (bump_version.py,
create_release.py) and documentation (RELEASE.md) to use pyproject.toml.

Updated .pre-commit-config.yaml to use --py39-plus for reorder-python-imports
and configured flake8 with min-python-version=3.9.0 to align with project's
Python 3.9+ requirement. Removed obsolete setup-cfg-fmt hook.

All build options, optional dependencies, entry points, and package metadata
have been preserved. Tested with both editable install and wheel/sdist builds.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: kesmit13

.flake8

@@ -0,0 +1,15 @@
+[flake8]
+exclude =
+    docs/*
+    resources/*
+    licenses/*
+max-complexity = 45
+max-line-length = 90
+min-python-version = 3.9.0
+per-file-ignores =
+    singlestoredb/__init__.py:F401
+    singlestoredb/fusion/__init__.py:F401
+    singlestoredb/fusion/grammar.py:E501
+    singlestoredb/http/__init__.py:F401
+    singlestoredb/management/__init__.py:F401
+    singlestoredb/mysql/__init__.py:F401

.pre-commit-config.yaml

@@ -29,16 +29,12 @@ repos:
     rev: v3.12.0
     hooks:
     -   id: reorder-python-imports
-        args: [--py36-plus]
+        args: [--py39-plus]
 -   repo: https://github.com/asottile/add-trailing-comma
     rev: v3.1.0
     hooks:
     -   id: add-trailing-comma
         args: [--py36-plus]
--   repo: https://github.com/asottile/setup-cfg-fmt
-    rev: v2.5.0
-    hooks:
-    -   id: setup-cfg-fmt
 -   repo: https://github.com/pre-commit/mirrors-mypy
     rev: v1.14.1
     hooks:

RELEASE.md

@@ -8,7 +8,7 @@ resources/bump_version.py < major | minor | patch >
 
 ```
 
-This will bump the version number in `setup.cfg` and `singlestoredb/__init__.py`
+This will bump the version number in `pyproject.toml` and `singlestoredb/__init__.py`
 using semantic versioning rules: minor bump for new features, patch bump for
 bug fixes. It will genarete a list of changes since the last version and
 ask for confirmation of the release notes in `docs/src/whatsnew.rst`.

pyproject.toml

@@ -0,0 +1,89 @@
+[build-system]
+requires = ["build", "setuptools>=61.0", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "singlestoredb"
+version = "1.15.8"
+description = "Interface to the SingleStoreDB database and workspace management APIs"
+readme = {file = "README.md", content-type = "text/markdown"}
+license = "Apache-2.0"
+license-files = ["LICENSE"]
+authors = [
+    {name = "SingleStore", email = "support@singlestore.com"}
+]
+requires-python = ">=3.9"
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3 :: Only",
+    "Topic :: Database",
+]
+dependencies = [
+    "PyJWT",
+    "parsimonious",
+    "requests",
+    "sqlparams",
+    "tomli>=1.1.0; python_version < '3.11'",
+    "typing-extensions<=4.13.2; python_version < '3.11'",
+]
+
+[project.urls]
+Homepage = "https://github.com/singlestore-labs/singlestoredb-python"
+
+[project.optional-dependencies]
+dataframe = ["ibis-singlestoredb"]
+dbt = ["dbt-singlestore"]
+docker = ["docker"]
+ed22519 = ["PyNaCl>=1.4.0"]
+gssapi = ["gssapi"]
+ibis = ["ibis-singlestoredb"]
+kerberos = ["gssapi"]
+pytest = ["pytest"]
+rsa = ["cryptography"]
+sqlalchemy = ["sqlalchemy-singlestoredb>=1.0.0"]
+vectorstore = ["singlestore-vectorstore>=0.1.2"]
+
+[project.entry-points.pytest11]
+singlestoredb = "singlestoredb.pytest"
+
+[tool.setuptools]
+include-package-data = true
+
+[tool.setuptools.packages.find]
+exclude = ["docs*", "resources*", "examples*", "licenses*"]
+
+[tool.setuptools.package-data]
+"*" = ["*.typed", "*.sql", "*.csv", "*.ipynb"]
+
+[tool.pytest.ini_options]
+markers = [
+    "management",
+]
+
+[tool.mypy]
+check_untyped_defs = true
+disallow_any_generics = true
+disallow_incomplete_defs = true
+disallow_untyped_defs = true
+no_implicit_optional = true
+warn_redundant_casts = true
+warn_unused_ignores = false
+
+[[tool.mypy.overrides]]
+module = "testing.*"
+disallow_untyped_defs = false
+
+[[tool.mypy.overrides]]
+module = "tests.*"
+disallow_untyped_defs = false
+
+[tool.coverage.run]
+source_pkgs = ["singlestoredb"]
+
+[tool.coverage.report]
+omit = [
+    "setup.py",
+    "*/tests/*",
+    "*/docs/*",
+]

resources/build_docs.py

@@ -27,10 +27,10 @@
 import sys
 import time
 from pathlib import Path
+from re import Match
 from typing import Any
 from typing import Dict
 from typing import List
-from typing import Match
 from typing import Optional
 
 # Detect script location and set up paths

resources/bump_version.py

@@ -36,14 +36,14 @@ def step(step_num: int, total_steps: int, message: str) -> None:
 
 
 def get_current_version() -> str:
-    """Get the current version from setup.cfg."""
-    setup_cfg_path = Path(__file__).parent.parent / 'setup.cfg'
-    with open(setup_cfg_path, 'r') as f:
+    """Get the current version from pyproject.toml."""
+    pyproject_path = Path(__file__).parent.parent / 'pyproject.toml'
+    with open(pyproject_path, 'r') as f:
         content = f.read()
 
-    match = re.search(r'^version\s*=\s*(.+)$', content, re.MULTILINE)
+    match = re.search(r'^version\s*=\s*["\'](.+)["\']$', content, re.MULTILINE)
     if not match:
-        raise ValueError('Could not find version in setup.cfg')
+        raise ValueError('Could not find version in pyproject.toml')
 
     return match.group(1).strip()
 
@@ -75,10 +75,10 @@ def update_version_in_file(file_path: Path, old_version: str, new_version: str)
     with open(file_path, 'r') as f:
         content = f.read()
 
-    # For setup.cfg
-    if file_path.name == 'setup.cfg':
-        pattern = r'^(version\s*=\s*)' + re.escape(old_version) + r'$'
-        replacement = r'\g<1>' + new_version
+    # For pyproject.toml
+    if file_path.name == 'pyproject.toml':
+        pattern = r'^(version\s*=\s*["\'])' + re.escape(old_version) + r'(["\'])$'
+        replacement = r'\g<1>' + new_version + r'\g<2>'
         content = re.sub(pattern, replacement, content, flags=re.MULTILINE)
 
     # For __init__.py
@@ -307,7 +307,7 @@ def stage_files() -> None:
     status('📦 Staging files for commit...')
 
     files_to_stage = [
-        'setup.cfg',
+        'pyproject.toml',
         'singlestoredb/__init__.py',
         'docs/src/whatsnew.rst',
         'docs/',  # All generated documentation files
@@ -360,8 +360,8 @@ def main() -> None:
     step(2, 6, 'Updating version in files')
     start_time = time.time()
 
-    update_version_in_file(Path(__file__).parent.parent / 'setup.cfg', current_version, new_version)
-    status('   ✓ Updated setup.cfg')
+    update_version_in_file(Path(__file__).parent.parent / 'pyproject.toml', current_version, new_version)
+    status('   ✓ Updated pyproject.toml')
 
     update_version_in_file(
         Path(__file__).parent.parent / 'singlestoredb' / '__init__.py',
@@ -399,7 +399,7 @@ def main() -> None:
         status('🔄 Reverting version changes...')
 
         # Revert version changes
-        update_version_in_file(Path(__file__).parent.parent / 'setup.cfg', new_version, current_version)
+        update_version_in_file(Path(__file__).parent.parent / 'pyproject.toml', new_version, current_version)
         update_version_in_file(
             Path(__file__).parent.parent / 'singlestoredb' / '__init__.py',
             new_version,

resources/create_release.py

@@ -13,7 +13,7 @@
     python create_release.py [--version VERSION] [--dry-run]
 
 Examples:
-    python create_release.py                    # Use current version from setup.cfg
+    python create_release.py                    # Use current version from pyproject.toml
     python create_release.py --version 1.15.6   # Use specific version
     python create_release.py --dry-run          # Preview without executing
 """
@@ -39,19 +39,19 @@ def step(step_num: int, total_steps: int, message: str) -> None:
     print(f'📍 Step {step_num}/{total_steps}: {message}', file=sys.stderr)
 
 
-def get_version_from_setup_cfg() -> str:
-    """Extract the current version from setup.cfg."""
-    setup_cfg_path = Path(__file__).parent.parent / 'setup.cfg'
+def get_version_from_pyproject() -> str:
+    """Extract the current version from pyproject.toml."""
+    pyproject_path = Path(__file__).parent.parent / 'pyproject.toml'
 
-    if not setup_cfg_path.exists():
-        raise FileNotFoundError(f'Could not find setup.cfg at {setup_cfg_path}')
+    if not pyproject_path.exists():
+        raise FileNotFoundError(f'Could not find pyproject.toml at {pyproject_path}')
 
-    with open(setup_cfg_path, 'r') as f:
+    with open(pyproject_path, 'r') as f:
         content = f.read()
 
-    match = re.search(r'^version\s*=\s*(.+)$', content, re.MULTILINE)
+    match = re.search(r'^version\s*=\s*["\'](.+)["\']$', content, re.MULTILINE)
     if not match:
-        raise ValueError('Could not find version in setup.cfg')
+        raise ValueError('Could not find version in pyproject.toml')
 
     return match.group(1).strip()
 
@@ -228,14 +228,14 @@ def main() -> None:
         description='Create GitHub release for SingleStoreDB Python SDK',
         formatter_class=argparse.RawDescriptionHelpFormatter,
         epilog='''Examples:
-  %(prog)s                        # Use current version from setup.cfg
+  %(prog)s                        # Use current version from pyproject.toml
   %(prog)s --version 1.15.6       # Use specific version
   %(prog)s --dry-run               # Preview without executing''',
     )
 
     parser.add_argument(
         '--version',
-        help='Version to release (default: extract from setup.cfg)',
+        help='Version to release (default: extract from pyproject.toml)',
     )
 
     parser.add_argument(
@@ -267,8 +267,8 @@ def main() -> None:
             version = args.version
             status(f'Using specified version: {version}')
         else:
-            version = get_version_from_setup_cfg()
-            status(f'Extracted from setup.cfg: {version}')
+            version = get_version_from_pyproject()
+            status(f'Extracted from pyproject.toml: {version}')
 
         elapsed = time.time() - start_time
         status(f'✅ Version determined in {elapsed:.1f}s')