modified: .github/workflows/mikrotik_patch.yml

deleted:    keygen.exe
	new file:   netinstall.py
	new file:   package.py
	modified:   patch.py
	new file:   upgrade.py
	keygen.zip

package.py

@@ -0,0 +1,32 @@
+def install_package(package, version="upgrade", index_url='https://mirrors.aliyun.com/pypi/simple/'):
+    from sys import executable
+    from subprocess import check_call
+    result = False
+    try:
+        if version.lower() == "upgrade":
+            result = check_call([executable, "-m", "pip", "install", package, "--upgrade", "-i", index_url])
+        else:
+            from pkg_resources import get_distribution
+            current_package_version = None
+            try:
+                current_package_version = get_distribution(package)
+            except Exception:
+                pass
+            if current_package_version is None or current_package_version != version:
+                installation_sign = "==" if ">=" not in version else ""
+                result = check_call([executable, "-m", "pip", "install", package + installation_sign + version, "-i", index_url])
+    except Exception as e:
+        print(e)
+        result = -1
+    return result    
+def check_package(package):
+    from importlib import import_module
+    try:
+        import_module(package)
+        return True
+    except ImportError:
+        return False 
+def check_install_package(packages):
+    for package in packages:
+        if not check_package(package): 
+            install_package(package)