Compat. with Ubuntu 24.04

see #556

modoboa_installer/python.py

@@ -99,16 +99,10 @@ def install_package_from_remote_requirements(url, venv=None, **kwargs):
     utils.exec_cmd(cmd, **kwargs)
 
 
-def setup_virtualenv(path, sudo_user=None, python_version=2):
+def setup_virtualenv(path, sudo_user=None):
     """Install a virtualenv if needed."""
     if os.path.exists(path):
         return
-    if python_version == 2:
-        python_binary = "python"
-        packages = ["python-virtualenv"]
-        if utils.dist_name() == "debian":
-            packages.append("virtualenv")
-    else:
     if utils.dist_name().startswith("centos"):
         python_binary = "python3"
         packages = ["python3"]
@@ -117,8 +111,5 @@ def setup_virtualenv(path, sudo_user=None, python_version=2):
         packages = ["python3-venv"]
     package.backend.install_many(packages)
     with utils.settings(sudo_user=sudo_user):
-        if python_version == 2:
-            utils.exec_cmd("virtualenv {}".format(path))
-        else:
         utils.exec_cmd("{} -m venv {}".format(python_binary, path))
-        install_packages(["pip", "setuptools\<58.0.0"], venv=path, upgrade=True)
+        install_packages(["pip", "setuptools"], venv=path, upgrade=True)

modoboa_installer/scripts/automx.py

@@ -56,8 +56,7 @@ class Automx(base.Installer):
 
     def _setup_venv(self):
         """Prepare a python virtualenv."""
-        python.setup_virtualenv(
-            self.venv_path, sudo_user=self.user, python_version=3)
+        python.setup_virtualenv(self.venv_path, sudo_user=self.user)
         packages = [
             "future", "lxml", "ipaddress", "sqlalchemy < 2.0", "python-memcached",
             "python-dateutil", "configparser"

modoboa_installer/scripts/modoboa.py

@@ -78,8 +78,7 @@ class Modoboa(base.Installer):
 
     def _setup_venv(self):
         """Prepare a dedicated virtualenv."""
-        python.setup_virtualenv(
-            self.venv_path, sudo_user=self.user, python_version=3)
+        python.setup_virtualenv(self.venv_path, sudo_user=self.user)
         packages = ["rrdtool"]
         version = self.config.get("modoboa", "version")
         if version == "latest":

modoboa_installer/scripts/radicale.py

@@ -31,8 +31,7 @@ class Radicale(base.Installer):
 
     def _setup_venv(self):
         """Prepare a dedicated virtualenv."""
-        python.setup_virtualenv(
-            self.venv_path, sudo_user=self.user, python_version=3)
+        python.setup_virtualenv(self.venv_path, sudo_user=self.user)
         packages = [
             "Radicale", "radicale-dovecot-auth", "pytz"
         ]