Don't try to set permissions on Windows. It won't work anyway. Fixes #4276

web/pgadmin/__init__.py

@@ -338,6 +338,7 @@ def create_app(app_name=None):
                 set_version(CURRENT_SCHEMA_VERSION)
                 db.session.commit()
 
+        if os.name != 'nt':
             os.chmod(config.SQLITE_PATH, 0o600)
 
     Mail(app)

web/pgadmin/setup/data_directory.py

@@ -25,6 +25,7 @@ def create_app_data_directory(config):
     # Try to set the permissions on the direectory, but don't complain
     # if we can't. This may be the case on a mounted directory, e.g. in
     # OpenShift. We'll still secure the config database anyway.
+    if os.name != 'nt':
         try:
             os.chmod(os.path.dirname(config.SQLITE_PATH), 0o700)
         except Exception as e:
@@ -37,6 +38,7 @@ def create_app_data_directory(config):
 
     # Create the session directory (if not present).
     _create_directory_if_not_exists(config.SESSION_DB_PATH)
+    if os.name != 'nt':
         os.chmod(os.path.dirname(config.SESSION_DB_PATH), 0o700)
 
     # Create the storage directory (if not present).

web/setup.py

@@ -369,6 +369,7 @@ def setup_db():
                 version.value = CURRENT_SCHEMA_VERSION
                 db.session.commit()
 
+        if os.name != 'nt':
             os.chmod(config.SQLITE_PATH, 0o600)