| from __future__ import annotations |
|
|
| from rich.console import ConsoleOptions, Console, RenderResult |
| from rich.traceback import Traceback |
|
|
| from ._help_renderables import HelpText |
| from .tokenize import Token |
| from .tokenizer import TokenError |
|
|
|
|
| class DeclarationError(Exception): |
| def __init__(self, name: str, token: Token, message: str | HelpText) -> None: |
| self.name = name |
| self.token = token |
| self.message = message |
| super().__init__(str(message)) |
|
|
|
|
| class StyleTypeError(TypeError): |
| pass |
|
|
|
|
| class UnresolvedVariableError(TokenError): |
| pass |
|
|
|
|
| class StyleValueError(ValueError): |
| """Raised when the value of a style property is not valid |
| |
| Attributes: |
| help_text (HelpText | None): Optional HelpText to be rendered when this |
| error is raised. |
| """ |
|
|
| def __init__(self, *args, help_text: HelpText | None = None): |
| super().__init__(*args) |
| self.help_text = help_text |
|
|
| def __rich_console__( |
| self, console: Console, options: ConsoleOptions |
| ) -> RenderResult: |
| yield Traceback.from_exception(type(self), self, self.__traceback__) |
| if self.help_text is not None: |
| yield "" |
| yield self.help_text |
| yield "" |
|
|
|
|
| class StylesheetError(Exception): |
| pass |
|
|
