Cython routing added

scripts/build_cython.py

@@ -9,9 +9,86 @@ Or via make:
 """
 
 import os
+import subprocess
 import sys
 from pathlib import Path
 
+
+def get_pcre2_config():
+    include_dirs = []
+    library_dirs = []
+    libraries = ["pcre2-8"]
+    
+    try:
+        cflags = subprocess.check_output(
+            ["pkg-config", "--cflags", "libpcre2-8"],
+            stderr=subprocess.DEVNULL
+        ).decode().strip()
+        libs = subprocess.check_output(
+            ["pkg-config", "--libs", "libpcre2-8"],
+            stderr=subprocess.DEVNULL
+        ).decode().strip()
+        
+        for flag in cflags.split():
+            if flag.startswith("-I"):
+                include_dirs.append(flag[2:])
+        
+        for flag in libs.split():
+            if flag.startswith("-L"):
+                library_dirs.append(flag[2:])
+            elif flag.startswith("-l"):
+                lib = flag[2:]
+                if lib not in libraries:
+                    libraries.append(lib)
+        
+        return include_dirs, library_dirs, libraries
+    except (subprocess.CalledProcessError, FileNotFoundError):
+        pass
+    
+    try:
+        cflags = subprocess.check_output(
+            ["pcre2-config", "--cflags"],
+            stderr=subprocess.DEVNULL
+        ).decode().strip()
+        libs = subprocess.check_output(
+            ["pcre2-config", "--libs8"],
+            stderr=subprocess.DEVNULL
+        ).decode().strip()
+        
+        for flag in cflags.split():
+            if flag.startswith("-I"):
+                include_dirs.append(flag[2:])
+        
+        for flag in libs.split():
+            if flag.startswith("-L"):
+                library_dirs.append(flag[2:])
+            elif flag.startswith("-l"):
+                lib = flag[2:]
+                if lib not in libraries:
+                    libraries.append(lib)
+        
+        return include_dirs, library_dirs, libraries
+    except (subprocess.CalledProcessError, FileNotFoundError):
+        pass
+    
+    # Fallback: try common paths
+    common_paths = [
+        "/opt/homebrew",  # macOS ARM
+        "/usr/local",     # macOS Intel / Linux
+        "/usr",           # Linux
+    ]
+    
+    for base in common_paths:
+        include_path = Path(base) / "include"
+        lib_path = Path(base) / "lib"
+        if (include_path / "pcre2.h").exists():
+            include_dirs.append(str(include_path))
+            library_dirs.append(str(lib_path))
+            break
+    
+    return include_dirs, library_dirs, libraries
+
+
 def build_extensions():
     try:
         from Cython.Build import cythonize
@@ -29,6 +106,14 @@ def build_extensions():
         print("Install with: pip install setuptools")
         return False
     
+    pcre2_include, pcre2_libdir, pcre2_libs = get_pcre2_config()
+    
+    if not pcre2_include:
+        print("WARNING: PCRE2 not found. Routing module may not compile.")
+        print("Install PCRE2: brew install pcre2 (macOS) or apt install libpcre2-dev (Linux)")
+    else:
+        print(f"Found PCRE2: includes={pcre2_include}, libs={pcre2_libdir}")
+    
     extensions = [
         Extension(
             "pyserve._path_matcher",
@@ -36,6 +121,18 @@ def build_extensions():
             extra_compile_args=["-O3", "-ffast-math"],
             define_macros=[("NPY_NO_DEPRECATED_API", "NPY_1_7_API_VERSION")],
         ),
+        Extension(
+            "pyserve._routing",
+            sources=["pyserve/_routing.pyx"],
+            include_dirs=pcre2_include,
+            library_dirs=pcre2_libdir,
+            libraries=pcre2_libs,
+            extra_compile_args=["-O3", "-ffast-math"],
+            define_macros=[
+                ("NPY_NO_DEPRECATED_API", "NPY_1_7_API_VERSION"),
+                ("PCRE2_CODE_UNIT_WIDTH", "8"),
+            ],
+        ),
     ]
     
     ext_modules = cythonize(
@@ -59,7 +156,9 @@ def build_extensions():
     cmd.run()
     
     print("\nCython extensions built successfully!")
-    print("   - pyserve/_path_matcher" + (".pyd" if sys.platform == "win32" else ".so"))
+    ext_suffix = ".pyd" if sys.platform == "win32" else ".so"
+    print(f"   - pyserve/_path_matcher{ext_suffix}")
+    print(f"   - pyserve/_routing{ext_suffix}")
     
     return True