CM-67459-use-pywin-instead-of-wmi

Author: RoniCycode

cycode/cli/utils/host_info.py

@@ -113,10 +113,15 @@ def _get_macos_serial_number() -> Optional[str]:
 
 
 def _get_windows_serial_number() -> Optional[str]:
-    import wmi  # Windows-only dependency; imported lazily so other platforms never load it
+    import pythoncom  # from pywin32
+    import win32com.client  # from pywin32
 
-    bios_entries = wmi.WMI().Win32_BIOS()
-    if not bios_entries:
-        return None
-    serial = bios_entries[0].SerialNumber
-    return serial.strip() if serial else None
+    pythoncom.CoInitialize()
+    try:
+        wmi_service = win32com.client.GetObject('winmgmts:')
+        for bios in wmi_service.InstancesOf('Win32_BIOS'):
+            serial = bios.SerialNumber
+            return serial.strip() if serial else None
+    finally:
+        pythoncom.CoUninitialize()
+    return None

pyproject.toml

@@ -52,8 +52,6 @@ pathvalidate = ">=3.3.1,<4.0.0"
 tomli-w = ">=1.0.0,<2.0.0"
 tomli = {version = ">=2.0.0,<3.0.0", python = "<3.11"}
 anyio = ">=4.0.0, <4.13.0"
-wmi = { version = "^1.5.1", markers = "sys_platform == 'win32'" }
-pywin32 = { version = "^308", markers = "sys_platform == 'win32'" }
 
 [tool.poetry.group.test.dependencies]
 mock = ">=4.0.3,<4.1.0"