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from typing import List
import gradio as gr
from components import CodeTask, Task, TaskComponent
def demo_buttons(demo_id, tasks: List[TaskComponent]):
error_message = gr.HighlightedText(value=None, visible=False)
execute_btn = gr.Button("Generate code and execute tasks")
# Sequential execution
execution_event = execute_btn.click(
# Clear error message
lambda: gr.HighlightedText.update(value=None, visible=False),
inputs=[],
outputs=[error_message],
)
prev_tasks = []
for task in tasks:
if isinstance(task, CodeTask):
execution_event = execution_event.then(
generate_code,
inputs=[task.code_prompt, error_message],
outputs=[
task.raw_output,
task.packages,
task.script,
task.error_message,
task.accordion,
],
)
execution_event = execution_event.then(
execute_task,
inputs=[demo_id, task.component_id, error_message]
+ task.inputs
+ [t.output for t in prev_tasks],
outputs=[task.output, error_message],
)
prev_tasks.append(task)
demo_tasks = {}
def execute_task(demo_id: str, task_id: int, error_value, *args):
error_update = gr.HighlightedText.update(
value=error_value, visible=error_value is not None
)
if error_value:
return ["", error_update]
task_id = int(task_id)
n_inputs = demo_tasks[demo_id][task_id].n_inputs
task_inputs = args[:n_inputs]
prev_task_outputs = args[n_inputs:]
non_empty_inputs = [i for i in task_inputs if i]
if not non_empty_inputs:
return ["", error_update]
# Put task outputs in a dictionary with names.
vars_in_scope = {f"{Task.vname}{i}": o for i, o in enumerate(prev_task_outputs)}
try:
# Task logic gets inserted into the right index
output = demo_tasks[demo_id][task_id].execute(
*task_inputs, vars_in_scope=vars_in_scope
)
return [output, error_update]
except Exception as e:
import traceback
print(traceback.format_tb(e.__traceback__))
return [
"ERROR",
gr.HighlightedText.update(
value=[(f"Error in Task {task_id} :: {e}", "ERROR")],
visible=True,
),
]
def generate_code(code_prompt: str, error_value):
if not error_value and code_prompt:
return CodeTask.generate_code(code_prompt)
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