feat: better error messages

tiramisu/autolib.py

@@ -22,7 +22,7 @@ from typing import Any, Optional, Union, Callable, Dict, List
 from itertools import chain
 import weakref
 
-from .error import PropertiesOptionError, ConfigError, LeadershipError, ValueWarning, CancelParam
+from .error import PropertiesOptionError, ConfigError, LeadershipError, ValueWarning, CancelParam, display_list
 from .i18n import _
 from .setting import undefined, ConfigBag
 from .function import FUNCTION_WAITING_FOR_DICT, FUNCTION_WAITING_FOR_ERROR
@@ -682,7 +682,9 @@ def manager_callback(
                                         child_path = name
                                     if param.optional:
                                         raise CancelParam(callbk_option.impl_getpath(), child_path)
-                                    msg = _('cannot calculate arguments for "{0}", cannot find dynamic variable "{1}"').format(subconfig.path, child_path)
+
+                                    identifiers = display_list(doption.get_identifiers(parent), add_quote=True)
+                                    msg = _('cannot calculate arguments for "{0}", cannot find dynamic variable "{1}" with identifier "{2}", list of valid identifiers: {3}').format(subconfig.path, doption.impl_getpath(), identifier, identifiers)
                                     raise ConfigError(msg) from err
                                 new_parents.append(
                                     parent.get_child(

tiramisu/error.py

@@ -220,9 +220,9 @@ class ValueOptionError(_CommonError, ValueError):
     def __init__(self, **kwargs):
         if ValueOptionError.tmpl is None:
             if kwargs.get('index') is None:
-                ValueOptionError.tmpl = _('"{0}" is an invalid {1} for "{2}"')
+                self.tmpl = _('"{0}" is an invalid {1} for "{2}"')
             else:
-                ValueOptionError.tmpl = _('"{0}" is an invalid {1} for "{2}" at index "{3}"')
+                self.tmpl = _('"{0}" is an invalid {1} for "{2}" at index "{3}"')
         super().__init__(**kwargs)
 
 
@@ -240,3 +240,12 @@ class CancelParam(Exception):
         super().__init__()
         self.origin_path = origin_path
         self.current_path = current_path
+
+    def __ne__(self, value):
+        return value is None or value == ""
+
+    def __eq__(self, value):
+        return value is None or value == ""
+
+    def __bool__(self):
+        return False

tiramisu/option/urloption.py

@@ -110,10 +110,18 @@ class URLOption(StrOption):
         domain, port, files = self._get_domain_port_files(value)
         # validate port
         portoption = self.impl_get_extra("_port")
-        portoption.validate(port)
+        try:
+            portoption.validate(port)
+        except ValueError as err:
+            msg = _('the port "{0}" is invalid: {1}').format(domain, err)
+            raise ValueError(msg) from err
         # validate domainname
         domainnameoption = self.impl_get_extra("_domainname")
-        domainnameoption.validate(domain)
+        try:
+            domainnameoption.validate(domain)
+        except ValueError as err:
+            msg = _('the domain "{0}" is invalid: {1}').format(domain, err)
+            raise ValueError(msg) from err
         # validate files
         if files is not None and files != "" and not self.path_re.search(files):
             raise ValueError(_("must ends with a valid resource name"))