Merge pull request #3359 from modoboa/fix/make_check_work_fresh_install

Make check works also with fresh installs

modoboa/core/checks.py

@@ -1,3 +1,4 @@
+from django.db.utils import ProgrammingError
 from django.core.checks import register, Info, Warning
 from django.conf import settings
 from django.utils.translation import gettext as _
@@ -50,7 +51,11 @@ def check_rsa_private_key_exists(app_configs, **kwargs):
 @register()
 def check_password_hasher(app_configs, **kwargs):
     msgs = []
-    hasher = check_for_deprecated_password_schemes()
+    try:
+        hasher = check_for_deprecated_password_schemes()
+    except ProgrammingError:
+        # This is probably a fresh install...
+        return []
     if hasher:
         msgs.append(W002)
     return msgs

modoboa/core/password_hashers/__init__.py

@@ -15,7 +15,6 @@ from modoboa.core.password_hashers.base import (  # NOQA:F401
     SHA256Hasher,
     PasswordHasher,
 )
-from modoboa.parameters import tools as param_tools
 
 
 def get_password_hasher(scheme: str) -> type[PasswordHasher]:
@@ -37,5 +36,7 @@ def get_password_hasher(scheme: str) -> type[PasswordHasher]:
 
 def get_configured_password_hasher() -> type[PasswordHasher]:
     """Retrieve the password hasher class currently configured."""
+    from modoboa.parameters import tools as param_tools
+
     scheme = param_tools.get_global_parameter("password_scheme")
     return get_password_hasher(scheme)