cython path_matcher added to reduce time on hot operations

scripts/build_cython.py

@@ -0,0 +1,72 @@
+"""
+Build script for Cython extensions.
+
+Usage:
+    python scripts/build_cython.py build_ext --inplace
+    
+Or via make:
+    make build-cython
+"""
+
+import os
+import sys
+from pathlib import Path
+
+def build_extensions():
+    try:
+        from Cython.Build import cythonize
+    except ImportError:
+        print("Cython not installed. Skipping Cython build.")
+        print("Install with: pip install cython")
+        return False
+    
+    try:
+        from setuptools import Extension
+        from setuptools.dist import Distribution
+        from setuptools.command.build_ext import build_ext
+    except ImportError:
+        print("setuptools not installed. Skipping Cython build.")
+        print("Install with: pip install setuptools")
+        return False
+    
+    extensions = [
+        Extension(
+            "pyserve._path_matcher",
+            sources=["pyserve/_path_matcher.pyx"],
+            extra_compile_args=["-O3", "-ffast-math"],
+            define_macros=[("NPY_NO_DEPRECATED_API", "NPY_1_7_API_VERSION")],
+        ),
+    ]
+    
+    ext_modules = cythonize(
+        extensions,
+        compiler_directives={
+            "language_level": "3",
+            "boundscheck": False,
+            "wraparound": False,
+            "cdivision": True,
+            "embedsignature": True,
+        },
+        annotate=True,
+    )
+    
+    dist = Distribution({"ext_modules": ext_modules})
+    dist.package_dir = {"": "."}
+    
+    cmd = build_ext(dist)
+    cmd.ensure_finalized()
+    cmd.inplace = True
+    cmd.run()
+    
+    print("\nCython extensions built successfully!")
+    print("   - pyserve/_path_matcher" + (".pyd" if sys.platform == "win32" else ".so"))
+    
+    return True
+
+
+if __name__ == "__main__":
+    project_root = Path(__file__).parent.parent
+    os.chdir(project_root)
+    
+    success = build_extensions()
+    sys.exit(0 if success else 1)