first commit

core/installation.py

@@ -0,0 +1,66 @@
+from importlib.util import find_spec
+from subprocess import check_call, run
+from platform import python_version
+from sys import exit
+
+class Install:
+
+    def __init__(self) -> None:
+        self.PYTHON_MIN_VERSION = '3.10'
+        self.module_to_install = ['sqlalchemy','psutil','requests']
+
+        if not self.checkPythonVersion():
+            # Tester si c'est la bonne version de python
+            exit("Python Version Error")
+        else:
+            # Sinon tester les dependances python et les installer avec pip
+            self.checkDependencies()
+
+        return None
+
+    def checkPythonVersion(self) -> bool:
+        """Test si la version de python est autorisée ou non
+
+        Returns:
+            bool: True si la version de python est autorisé sinon False
+        """
+        python_required_version = self.PYTHON_MIN_VERSION.split('.')
+        python_current_version = python_version().split('.')
+
+        if int(python_current_version[0]) < int(python_required_version[0]):
+            print(f"## Your python version must be greather than or equal to {self.PYTHON_MIN_VERSION} ##")
+            return False
+        elif int(python_current_version[1]) < int(python_required_version[1]):
+            print(f"### Your python version must be greather than or equal to {self.PYTHON_MIN_VERSION} ###")
+            return False
+
+        print(f"===> Version of python : {python_version()} ==> OK")
+
+        return True
+    
+    def checkDependencies(self) -> None:
+        """Check python dependencies
+        """
+        do_install = False
+
+        for module in self.module_to_install:
+            if find_spec(module) is None:
+                do_install = True
+
+        if not do_install:
+            return None
+
+        print("===> Verifier si pip est a jour")
+        run(['python', '-m', 'pip', 'install', '--upgrade', 'pip'])
+
+        if find_spec('greenlet') is None:
+            check_call(['pip','install', '--only-binary', ':all:', 'greenlet'])
+            print('====> Module Greenlet installé')
+
+        for module in self.module_to_install:
+            if find_spec(module) is None:
+                print("### Trying to install missing python packages ###")
+                check_call(['pip','install', module])
+                print(f"====> Module {module} installé")
+            else:
+                print(f"==> {module} already installed")