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Add TEXTUAL features env var

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This commit is contained in:
Will McGugan
2022-04-29 14:20:09 +01:00
parent 280fd2eacc
commit 10ea36b36b
2 changed files with 21 additions and 9 deletions
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2
sandbox/uber.css
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@@ -7,5 +7,5 @@
.list-item {
height: 8;
background: dark_blue;
background: darkblue;
}

28
src/textual/app.py
View File

@@ -97,20 +97,24 @@ class App(Generic[ReturnType], DOMNode):
css_file: str | None = None,
css: str | None = None,
watch_css: bool = True,
_features: str | None = None,
):
"""The Textual Application base class
"""Textual application base class
Args:
console (Console, optional): A Rich Console. Defaults to None.
screen (bool, optional): Enable full-screen application mode. Defaults to True.
driver_class (Type[Driver], optional): Driver class, or None to use default. Defaults to None.
title (str, optional): Title of the application. Defaults to "Textual Application".
driver_class (Type[Driver] | None, optional): Driver class or ``None`` to auto-detect. Defaults to None.
log (str, optional): Path to log file, or "" to disable. Defaults to "".
log_verbosity (int, optional): Log verbosity from 0-3. Defaults to 1.
title (str, optional): Default title of the application. Defaults to "Textual Application".
css_file (str | None, optional): Path to CSS or ``None`` for no CSS file. Defaults to None.
css (str | None, optional): CSS code to parse, or ``None`` for no literal CSS. Defaults to None.
watch_css (bool, optional): Watch CSS for changes. Defaults to True.
_features (set[str] | None, optional): Override env var features for testing. Defaults to None.
"""
self.console = Console(
file=sys.__stdout__, markup=False, highlight=False, emoji=False
)
self.error_console = Console(markup=False, stderr=True)
self._screen = screen
self.driver_class = driver_class or self.get_driver_class()
self._title = title
self._screen_stack: list[Screen] = []
@@ -160,6 +164,11 @@ class App(Generic[ReturnType], DOMNode):
if css is not None:
self.css = css
_parse_features = os.getenv("TEXTUAL", "") if _features is None else _features
self.features = set(
feature.strip().lower() for feature in _parse_features.split(",") if feature
)
self.registry: set[MessagePump] = set()
self.devtools = DevtoolsClient()
@@ -173,6 +182,10 @@ class App(Generic[ReturnType], DOMNode):
background: Reactive[str] = Reactive("black")
dark = Reactive(False)
@property
def devtools_enabled(self) -> bool:
return "devtools" in self.features
def exit(self, result: ReturnType | None = None) -> None:
"""Exit the app, and return the supplied result.
@@ -495,7 +508,7 @@ class App(Generic[ReturnType], DOMNode):
log("---")
log(f"driver={self.driver_class}")
if os.getenv("TEXTUAL_DEVTOOLS") == "1":
if self.devtools_enabled:
try:
await self.devtools.connect()
self.log(f"Connected to devtools ({self.devtools.url})")
@@ -504,7 +517,6 @@ class App(Generic[ReturnType], DOMNode):
try:
if self.css_file is not None:
self.stylesheet.read(self.css_file)
self.stylesheet.parse()
if self.css is not None:
self.stylesheet.add_source(
self.css, path=f"<{self.__class__.__name__}>"