117 lines
3.7 KiB
Python
117 lines
3.7 KiB
Python
from __future__ import annotations
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import typing
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from importlib import import_module
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from textual.case import camel_to_snake
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# For any new built-in Widget we create, not only do we have to import them here and add them to `__all__`,
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# but also to the `__init__.pyi` file in this same folder - otherwise text editors and type checkers won't
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# be able to "see" them.
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if typing.TYPE_CHECKING:
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from textual.widget import Widget
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from textual.widgets._button import Button
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from textual.widgets._checkbox import Checkbox
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from textual.widgets._collapsible import Collapsible
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from textual.widgets._content_switcher import ContentSwitcher
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from textual.widgets._data_table import DataTable
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from textual.widgets._digits import Digits
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from textual.widgets._directory_tree import DirectoryTree
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from textual.widgets._footer import Footer
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from textual.widgets._header import Header
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from textual.widgets._help_panel import HelpPanel
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from textual.widgets._input import Input
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from textual.widgets._key_panel import KeyPanel
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from textual.widgets._label import Label
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from textual.widgets._link import Link
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from textual.widgets._list_item import ListItem
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from textual.widgets._list_view import ListView
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from textual.widgets._loading_indicator import LoadingIndicator
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from textual.widgets._log import Log
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from textual.widgets._markdown import Markdown, MarkdownViewer
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from textual.widgets._masked_input import MaskedInput
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from textual.widgets._option_list import OptionList
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from textual.widgets._placeholder import Placeholder
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from textual.widgets._pretty import Pretty
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from textual.widgets._progress_bar import ProgressBar
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from textual.widgets._radio_button import RadioButton
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from textual.widgets._radio_set import RadioSet
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from textual.widgets._rich_log import RichLog
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from textual.widgets._rule import Rule
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from textual.widgets._select import Select
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from textual.widgets._selection_list import SelectionList
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from textual.widgets._sparkline import Sparkline
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from textual.widgets._static import Static
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from textual.widgets._switch import Switch
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from textual.widgets._tabbed_content import TabbedContent, TabPane
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from textual.widgets._tabs import Tab, Tabs
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from textual.widgets._text_area import TextArea
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from textual.widgets._tooltip import Tooltip
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from textual.widgets._tree import Tree
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from textual.widgets._welcome import Welcome
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__all__ = [
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"Button",
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"Checkbox",
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"Collapsible",
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"ContentSwitcher",
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"DataTable",
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"Digits",
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"DirectoryTree",
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"Footer",
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"Header",
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"HelpPanel",
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"Input",
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"KeyPanel",
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"Label",
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"Link",
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"ListItem",
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"ListView",
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"LoadingIndicator",
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"Log",
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"Markdown",
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"MarkdownViewer",
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"MaskedInput",
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"OptionList",
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"Placeholder",
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"Pretty",
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"ProgressBar",
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"RadioButton",
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"RadioSet",
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"RichLog",
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"Rule",
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"Select",
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"SelectionList",
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"Sparkline",
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"Static",
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"Switch",
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"Tab",
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"TabbedContent",
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"TabPane",
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"Tabs",
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"TextArea",
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"Tooltip",
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"Tree",
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"Welcome",
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]
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_WIDGETS_LAZY_LOADING_CACHE: dict[str, type[Widget]] = {}
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# Let's decrease startup time by lazy loading our Widgets:
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def __getattr__(widget_class: str) -> type[Widget]:
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try:
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return _WIDGETS_LAZY_LOADING_CACHE[widget_class]
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except KeyError:
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pass
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if widget_class not in __all__:
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raise AttributeError(f"Package 'textual.widgets' has no class '{widget_class}'")
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widget_module_path = f"._{camel_to_snake(widget_class)}"
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module = import_module(widget_module_path, package="textual.widgets")
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class_ = getattr(module, widget_class)
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_WIDGETS_LAZY_LOADING_CACHE[widget_class] = class_
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return class_
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