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"""gr.Code() component"""
from __future__ import annotations
from pathlib import Path
from typing import Any, Literal
from gradio_client.documentation import document, set_documentation_group
from gradio.components.base import Component
from gradio.events import Events
set_documentation_group("component")
@document("languages")
class Code(Component):
"""
Creates a Code editor for entering, editing or viewing code.
Preprocessing: passes a {str} of code into the function.
Postprocessing: expects the function to return a {str} of code or a single-element {tuple}: {(string_filepath,)}
"""
languages = [
"python",
"markdown",
"json",
"html",
"css",
"javascript",
"typescript",
"yaml",
"dockerfile",
"shell",
"r",
None,
]
EVENTS = [
Events.change,
Events.input,
Events.focus,
Events.blur,
]
def __init__(
self,
value: str | tuple[str] | None = None,
language: Literal[
"python",
"markdown",
"json",
"html",
"css",
"javascript",
"typescript",
"yaml",
"dockerfile",
"shell",
"r",
]
| None = None,
*,
every: float | None = None,
lines: int = 5,
label: str | None = None,
interactive: bool | None = None,
show_label: bool | None = None,
container: bool = True,
scale: int | None = None,
min_width: int = 160,
visible: bool = True,
elem_id: str | None = None,
elem_classes: list[str] | str | None = None,
render: bool = True,
):
"""
Parameters:
value: Default value to show in the code editor. If callable, the function will be called whenever the app loads to set the initial value of the component.
every: If `value` is a callable, run the function 'every' number of seconds while the client connection is open. Has no effect otherwise. Queue must be enabled. The event can be accessed (e.g. to cancel it) via this component's .load_event attribute.
language: The language to display the code as. Supported languages listed in `gr.Code.languages`.
label: The label for this component. Appears above the component and is also used as the header if there are a table of examples for this component. If None and used in a `gr.Interface`, the label will be the name of the parameter this component is assigned to.
interactive: Whether user should be able to enter code or only view it.
show_label: if True, will display label.
container: If True, will place the component in a container - providing some extra padding around the border.
scale: relative width compared to adjacent Components in a Row. For example, if Component A has scale=2, and Component B has scale=1, A will be twice as wide as B. Should be an integer.
min_width: minimum pixel width, will wrap if not sufficient screen space to satisfy this value. If a certain scale value results in this Component being narrower than min_width, the min_width parameter will be respected first.
visible: If False, component will be hidden.
elem_id: An optional string that is assigned as the id of this component in the HTML DOM. Can be used for targeting CSS styles.
elem_classes: An optional list of strings that are assigned as the classes of this component in the HTML DOM. Can be used for targeting CSS styles.
render: If False, component will not render be rendered in the Blocks context. Should be used if the intention is to assign event listeners now but render the component later.
"""
if language not in Code.languages:
raise ValueError(f"Language {language} not supported.")
self.language = language
self.lines = lines
super().__init__(
label=label,
every=every,
interactive=interactive,
show_label=show_label,
container=container,
scale=scale,
min_width=min_width,
visible=visible,
elem_id=elem_id,
elem_classes=elem_classes,
render=render,
value=value,
)
def preprocess(self, payload: Any) -> Any:
return payload
def postprocess(self, value: tuple | str | None) -> None | str:
if value is None:
return None
elif isinstance(value, tuple):
with open(value[0]) as file_data:
return file_data.read()
else:
return value.strip()
def flag(self, payload: Any, flag_dir: str | Path = "") -> str:
return super().flag(payload, flag_dir)
def api_info(self) -> dict[str, Any]:
return {"type": "string"}
def example_inputs(self) -> Any:
return "print('Hello World')"
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