Misc fixes, try to fix tests

locales/en.json

@@ -143,7 +143,6 @@
     "config_apply_failed": "Applying the new configuration failed: {error}",
     "config_cant_set_value_on_section": "You can't set a single value on an entire config section.",
     "config_forbidden_keyword": "The keyword '{keyword}' is reserved, you can't create or use a config panel with a question with this id.",
-    "config_missing_init_value": "Config panel question '{question}' should be initialize with a value during install or upgrade.",
     "config_no_panel": "No config panel found.",
     "config_unknown_filter_key": "The filter key '{filter_key}' is incorrect.",
     "config_validate_color": "Should be a valid RGB hexadecimal color",

src/yunohost/tests/test_app_config.py

@@ -105,9 +105,7 @@ def test_app_config_get(config_app):
     assert isinstance(app_config_get(config_app, export=True), dict)
     assert isinstance(app_config_get(config_app, "main"), dict)
     assert isinstance(app_config_get(config_app, "main.components"), dict)
-    # Is it expected that we return None if no value defined yet ?
+    assert app_config_get(config_app, "main.components.boolean") == "0"
-    # c.f. the whole discussion about "should we have defaults" etc.
-    assert app_config_get(config_app, "main.components.boolean") is None
 
 
 def test_app_config_nopanel(legacy_app):
@@ -130,10 +128,14 @@ def test_app_config_get_nonexistentstuff(config_app):
     with pytest.raises(YunohostValidationError):
         app_config_get(config_app, "main.components.nonexistent")
 
+    app_setting(config_app, "boolean", delete=True)
+    with pytest.raises(YunohostValidationError):
+        app_config_get(config_app, "main.components.boolean")
+
 
 def test_app_config_regular_setting(config_app):
 
-    assert app_config_get(config_app, "main.components.boolean") is None
+    assert app_config_get(config_app, "main.components.boolean") == "0"
 
     app_config_set(config_app, "main.components.boolean", "no")
 

src/yunohost/utils/config.py

@@ -209,6 +209,7 @@ class ConfigPanel:
                 "default": {}
             }
         }
+
         def convert(toml_node, node_type):
             """Convert TOML in internal format ('full' mode used by webadmin)
             Here are some properties of 1.0 config panel in toml:
@@ -284,7 +285,7 @@ class ConfigPanel:
                 if option["type"] in allowed_empty_type or option["bind"] == "null":
                     continue
                 else:
-                    raise YunohostError("config_missing_init_value", question=option["id"])
+                    raise YunohostError(f"Config panel question '{option['id']}' should be initialized with a value during install or upgrade.")
             value = self.values[option["name"]]
             # In general, the value is just a simple value.
             # Sometimes it could be a dict used to overwrite the option itself
@@ -538,22 +539,25 @@ class StringQuestion(Question):
     argument_type = "string"
     default_value = ""
 
+
 class EmailQuestion(StringQuestion):
     pattern = {
-        "regexp": "^.+@.+",
+        "regexp": r"^.+@.+",
-        "error": "config_validate_email"
+        "error": "config_validate_email"  # i18n: config_validate_email
     }
 
+
 class URLQuestion(StringQuestion):
     pattern = {
-        "regexp": "^https?://.*$",
+        "regexp": r"^https?://.*$",
-        "error": "config_validate_url"
+        "error": "config_validate_url"  # i18n: config_validate_url
     }
 
+
 class DateQuestion(StringQuestion):
     pattern = {
-        "regexp": "^\d{4}-\d\d-\d\d$",
+        "regexp": r"^\d{4}-\d\d-\d\d$",
-        "error": "config_validate_date"
+        "error": "config_validate_date"  # i18n: config_validate_date
     }
 
     def _prevalidate(self):
@@ -566,16 +570,18 @@ class DateQuestion(StringQuestion):
             except ValueError:
                 raise YunohostValidationError("config_validate_date")
 
+
 class TimeQuestion(StringQuestion):
     pattern = {
-        "regexp": "^(1[12]|0?\d):[0-5]\d$",
+        "regexp": r"^(1[12]|0?\d):[0-5]\d$",
-        "error": "config_validate_time"
+        "error": "config_validate_time"  # i18n: config_validate_time
     }
 
+
 class ColorQuestion(StringQuestion):
     pattern = {
-        "regexp": "^#[ABCDEFabcdef\d]{3,6}$",
+        "regexp": r"^#[ABCDEFabcdef\d]{3,6}$",
-        "error": "config_validate_color"
+        "error": "config_validate_color"  # i18n: config_validate_color
     }
 
 
@@ -799,7 +805,6 @@ class NumberQuestion(Question):
             )
 
 
-
 class DisplayTextQuestion(Question):
     argument_type = "display_text"
     readonly = True