New Installation file created for unix system

core/installation.py

@@ -1,12 +1,16 @@
 from importlib.util import find_spec
-from subprocess import check_call, run
+from subprocess import check_call, run, CalledProcessError
 from platform import python_version
 from sys import exit
+import os
 
 class Install:
 
     def __init__(self) -> None:
         self.PYTHON_MIN_VERSION = '3.10'
+
+        self.venv_folder_name = '.pyenv'
+        self.cmd_venv_command = ['python3', '-m', 'venv', self.venv_folder_name]
         self.module_to_install = ['sqlalchemy','psutil','requests']
 
         if not self.checkPythonVersion():
@@ -38,6 +42,17 @@ class Install:
 
         return True
 
+    def run_subprocess(self, command:list) -> None:
+
+        print(command)
+        try:
+            check_call(command)
+            print("La commande s'est terminée avec succès.")
+        except CalledProcessError as e:
+            print(f"La commande a échoué avec le code de retour :{e.returncode}")
+            print(f"Try to install dependencies ...")
+            exit(5)
+
     def checkDependencies(self) -> None:
         """### Verifie les dépendances si elles sont installées
         - Test si les modules sont installés
@@ -46,6 +61,11 @@ class Install:
         """
         do_install = False
 
+        # Check if virtual env exist
+        if not os.path.exists(f'{self.venv_folder_name}'):
+            self.run_subprocess(self.cmd_venv_command)
+            do_install = True
+
         for module in self.module_to_install:
             if find_spec(module) is None:
                 do_install = True
@@ -70,3 +90,10 @@ class Install:
                 print(f"====> Module {module} installé")
             else:
                 print(f"==> {module} already installed")
+
+        print(f"#"*12)
+        print("Installation complete ...")
+        print("You must change environment using the command below")
+        print(f"source {self.venv_folder_name}{os.sep}bin{os.sep}activate")
+        print(f"#"*12)
+        exit(1)