Module userland.scripts.oneliners

Oneliners script

Global variables

var LIMIT

Total number of oneliners to load

Functions

async def main(cx: SSHContext) ‑> None

Classes

class OnlinersApp (context: SSHContext, **kwargs)

Oneliners Textual app

Create an instance of an app.

Args

driver_class
Driver class or None to auto-detect. This will be used by some Textual tools.
css_path
Path to CSS or None to use the CSS_PATH class variable. To load multiple CSS files, pass a list of strings or paths which will be loaded in order.
watch_css
Reload CSS if the files changed. This is set automatically if you are using textual run with the dev switch.

Raises

CssPathError
When the supplied CSS path(s) are an unexpected type.
Expand source code 
class OnlinersApp(BannerApp):
    """Oneliners Textual app"""

    CSS = """
        $accent: ansi_red;
        $error: ansi_bright_red;

        Label {
            width: 100%;
        }

        ListItem {
            background: $primary-background;
        }

        ListItem.even {
            background: $secondary-background;
        }

        ListView:focus ListItem.--highlight {
            background: $accent;
        }

        #err {
            background: $error;
            color: black;
        }
    """
    """Stylesheet"""

    def __init__(self, context: SSHContext, **kwargs):
        super().__init__(context, **kwargs)
        self.bind("escape", "quit")

    def compose(self):
        for widget in super().compose():
            yield widget

        # oneliners
        lv = ListView()
        lv.styles.scrollbar_background = "black"
        lv.styles.scrollbar_color = "ansi_yellow"
        lv.styles.scrollbar_color_active = "white"
        lv.styles.scrollbar_color_hover = "ansi_bright_yellow"
        yield lv

        # error message
        err = Label(id="err")
        err.display = False
        yield err

        # input
        input_widget = Input(
            max_length=Oneliner.MAX_LENGTH,
            placeholder="Enter a oneliner or press ESC",
        )
        input_widget.focus()
        yield input_widget

    async def on_input_submitted(self, event: Input.Submitted) -> None:
        val = event.input.value.strip()

        if val != "":
            await Oneliner.create(message=val, user_id=self.context.user.id)

        self.exit()

    async def on_mount(self) -> None:
        db = Resources().db
        recent = (
            Oneliner.select("id")
            .order_by(Oneliner.id.desc())
            .limit(LIMIT)
            .alias("recent")
            .select()
        )
        oneliners: list[Oneliner] = await db.all(
            Oneliner.query.where(Oneliner.id.in_(recent))
        )
        lv = self.query_one(ListView)

        for idx, o in enumerate(oneliners):
            lv.mount(
                ListItem(Label(o.message), classes="even" if idx % 2 else "")
            )

        lv.index = len(oneliners) - 1
        lv.scroll_end(animate=False)

Ancestors

  • BannerApp
  • XthuluApp
  • textual.app.App
  • typing.Generic
  • textual.dom.DOMNode
  • textual.message_pump.MessagePump

Class variables

var CSS

Stylesheet

Methods

async def on_input_submitted(self, event: textual.widgets._input.Input.Submitted) ‑> None
async def on_mount(self) ‑> None

Inherited members