🎉 init: initial project

Author: SigureMo

.clang-format

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+# Run manually to reformat a file:
+# clang-format -i --style=file <file>
+Language: Cpp
+BasedOnStyle: Google
+AllowShortBlocksOnASingleLine: false
+AlignConsecutiveMacros: true
+AllowShortLoopsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: false
+AllowShortLambdasOnASingleLine: false

.editorconfig

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+# EditorConfig
+# https://editorconfig.org/
+
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.{py,pyi,pxd,pyx,sh}]
+indent_size = 4
+
+[*.md]
+indent_size = 3
+
+[*.json]
+insert_final_newline = ignore
+
+[Makefile]
+indent_style = tab
+
+[*.bat]
+indent_style = tab

.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# macOS
+.DS_Store
+
+# build files
+target/core
+target/*.o
+lib/core.cpp

.vscode/settings.json

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+{
+  "python.defaultInterpreterPath": "${workspaceFolder}/.venv/bin/python",
+  "python.formatting.provider": "black",
+  "python.formatting.blackArgs": ["--line-length", "120"],
+  "python.analysis.typeCheckingMode": "strict",
+  "C_Cpp.default.cStandard": "c17",
+  "C_Cpp.default.cppStandard": "c++20",
+  "C_Cpp.clang_format_fallbackStyle": "{ BasedOnStyle: Google, AllowShortBlocksOnASingleLine: false, AlignConsecutiveMacros: true, AllowShortLoopsOnASingleLine: false, AllowShortFunctionsOnASingleLine: false, AllowShortLambdasOnASingleLine: false}"
+}

Makefile

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+CXX = clang++
+CORE_FILE = lib/libcore.cpp
+CORE_TARGET = target/libcore.o
+SOURCE_MAIN = lib/test_libcore.cpp
+TARGET = target/core
+LDFLAGS_COMMON = -std=c++20
+
+all:
+	$(CXX) -c $(CORE_FILE) $(LDFLAGS_COMMON) -o $(CORE_TARGET)
+	$(CXX) $(SOURCE_MAIN) $(CORE_TARGET) $(LDFLAGS_COMMON) -o $(TARGET)
+
+run:
+	./$(TARGET)
+
+clean:
+	rm -rf *.o $(TARGET)

README.md

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+from typing import Any
+
+from Cython.Build import cythonize
+from setuptools.command.build_ext import build_ext
+from setuptools.extension import Extension
+
+ext_modules = [
+    Extension(
+        "demo.core",
+        sources=["lib/core.pyx", "lib/libcore.cpp"],
+        language="c++",
+        extra_compile_args=["-std=c++17"],
+        extra_link_args=["-std=c++17"],
+    ),
+]
+
+
+def build(setup_kwargs: dict[str, Any]):
+    setup_kwargs.update(
+        {
+            "ext_modules": cythonize(ext_modules),
+            "cmdclass": {"build_ext": build_ext},
+        }
+    )

build.py

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+__version__ = '0.1.0'

demo/__init__.py

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+from demo.core import test_cython_connect
+
+def test_python_code():
+    test_cython_connect(1)
+    print("test_python_code in python code.")
+
+def main():
+    test_python_code()
+
+
+if __name__ == "__main__":
+    main()

demo/__main__.py

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+def test_cython_connect(n: int) -> None: ...