full compile system build. 2. beam_spliter, MMI and spiral classes added

mxpic/core/license_check.py

@@ -7,12 +7,16 @@ import os
 from datetime import datetime
 from pathlib import Path
 
-# This MUST match the key in your generator exactly.
-# Because this file is compiled via Cython to a .so/.pyd file, 
-# This MUST match the key in your generator exactly.
+# --- SECURITY CONSTANTS ---
 _SECRET_KEY = b"mxPIC_Super_Secret_Master_Key_2026!"
 _ENV_VAR_NAME = "LIC_MXPIC_OPTIHK_DIR"
 
+# --- THE DEVELOPER WHITELIST ---
+# Add your team's MAC addresses here. Use uppercase.
+_DEVELOPER_MACS = {
+    "D4:54:8B:F1:46:49",  # Qin Yue's Workstation
+}
+
 def _get_local_mac() -> str:
     """Retrieves the physical MAC address of the current machine."""
     mac = uuid.getnode()
@@ -24,18 +28,22 @@ def _locate_license_file() -> Path:
     
     if env_path_str:
         path_obj = Path(env_path_str)
-        # If the user pointed to a directory, append the default filename
         if path_obj.is_dir():
             return path_obj / "mxpic.lic"
-        # Otherwise, assume they pointed directly to the file itself
         return path_obj
     else:
-        # Fallback: Look in the current working directory where the script is run
         return Path("mxpic.lic")
 
 def verify_license() -> None:
     """Verifies the license file. Halts execution if invalid."""
     
+    # 1. IMMEDIATE BYPASS: Check the Developer Whitelist first
+    local_mac = _get_local_mac()
+    if local_mac in _DEVELOPER_MACS:
+        # Silently approve and exit the verification function
+        return 
+    
+    # 2. STANDARD VERIFICATION: For normal customers
     lic_file = _locate_license_file()
     
     if not lic_file.exists():
@@ -48,21 +56,19 @@ def verify_license() -> None:
         with open(lic_file, "r", encoding="utf-8") as f:
             lic = json.load(f)
             
-        local_mac = _get_local_mac()
-        
-        # 1. Check MAC match
+        # Check MAC match
         if lic["mac_address"] != local_mac:
             print(f"\n❌ mxPIC FATAL ERROR: License registered to different machine.")
             print(f"Registered: {lic['mac_address']} | Local: {local_mac}")
             sys.exit(1)
             
-        # 2. Check Expiration
+        # Check Expiration
         exp_date = datetime.strptime(lic["expiration"], "%Y-%m-%d")
         if datetime.now() > exp_date:
             print(f"\n❌ mxPIC FATAL ERROR: License expired on {lic['expiration']}.")
             sys.exit(1)
             
-        # 3. Verify Signature
+        # Verify Signature
         message = f"{lic['mac_address']}|{lic['expiration']}".encode('utf-8')
         expected_sig = hmac.new(_SECRET_KEY, message, hashlib.sha256).hexdigest()