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import json
import os
import time
from inspect import signature
import huggingface_hub as hub
import gradio as gr
import gradio.utils
from gradio.sketch.sketchbox import SketchBox
from gradio.sketch.utils import ai, get_header, set_kwarg
def create(app_file: str, config_file: str):
file_name = os.path.basename(app_file)
folder_name = os.path.basename(os.path.dirname(app_file))
created_fns_namespace = {}
nonconfigurable_params = ["every", "inputs", "render", "key"]
default_kwargs_map = {
gr.Image: {"type": "filepath"},
gr.Audio: {"type": "filepath"},
gr.Chatbot: {"type": "messages"},
}
quick_component_list = [
gr.Textbox,
gr.Number,
gr.Button,
gr.Markdown,
gr.State,
]
all_component_list = [
gr.AnnotatedImage,
# gr.Accordion,
gr.Audio,
gr.BarPlot,
gr.BrowserState,
gr.Button,
gr.Chatbot,
gr.Checkbox,
gr.CheckboxGroup,
gr.Code,
gr.ColorPicker,
gr.Dataframe,
gr.DateTime,
gr.Dropdown,
gr.File,
gr.Gallery,
gr.HighlightedText,
gr.HTML,
gr.Image,
gr.ImageEditor,
gr.JSON,
gr.Label,
gr.LinePlot,
gr.Markdown,
gr.Model3D,
gr.MultimodalTextbox,
gr.Number,
gr.Radio,
gr.Slider,
gr.State,
gr.Textbox,
gr.Timer,
gr.Video,
]
def get_component_by_name(name):
return [
component for component in all_component_list if component.__name__ == name
][0]
def get_box(_slot, i, gp=None):
parent = _slot
target = _slot[i[0]] if isinstance(_slot, list) and i[0] < len(_slot) else None
if len(i) > 1:
gp, parent, target = get_box(target, i[1:], parent)
return gp, parent, target
def add_component(
component, layout, components, dependencies, add_index, new_component_id
):
gp, parent, _ = get_box(layout, add_index)
if isinstance(parent, int):
parent = [parent]
if gp:
gp[add_index[-2]] = parent
parent.insert(add_index[-1], new_component_id)
default_kwargs = default_kwargs_map.get(component, {}).copy()
components[new_component_id] = [component.__name__, default_kwargs, ""]
component_name = component.__name__.lower()
existing_names = [components[i][2] for i in components]
var_name = component_name
i = 2
while var_name in existing_names:
var_name = component_name + "_" + str(i)
i += 1
components[new_component_id][2] = var_name
return (
layout,
components,
dependencies,
"modify_component",
new_component_id,
new_component_id + 1,
gr.Button(interactive=True),
)
def set_hf_token(token):
try:
hub.login(token)
except BaseException as err:
raise gr.Error("Invalid Hugging Face token.") from err
gr.Success("Token set successfully.", duration=2)
return token
with gr.Blocks() as demo:
_id = gr.State(0)
# Below was giving issues, commenting out for now
# if os.path.exists(config_file):
# with open(config_file) as f:
# config = json.load(f)
# _layout = config["layout"]
# _components = {int(k): v for k, v in config["components"].items()}
# _new_component_id = len(_components)
# mode = gr.State("default")
# else:
_layout = []
_components = {}
_dependencies = []
_new_component_id = 0
mode = gr.State("add_component")
new_component_id = gr.State(_new_component_id)
components = gr.State(_components)
dependencies = gr.State(_dependencies)
layout = gr.State(_layout)
add_index = gr.State([_new_component_id])
modify_id = gr.State(None)
saved = gr.State(False)
hf_token = gr.State(hub.get_token() or os.getenv("HF_TOKEN"))
add_fn_btn = gr.Button(
"+ Add Function", scale=0, interactive=False, render=False
)
with gr.Sidebar() as left_sidebar:
@gr.render(
[
mode,
add_index,
new_component_id,
components,
dependencies,
modify_id,
hf_token,
],
show_progress="hidden",
)
def render_sidebar(
_mode,
_add_index,
_new_component_id,
_components,
_dependencies,
_modify_id,
_hf_token,
):
if _mode == "default" and len(_components) == 0:
_mode = "add_component"
_add_index = [0]
if _mode == "default":
gr.Markdown("## Placement")
gr.Markdown("Click on a '+' button to add a component.")
if _mode == "add_component":
gr.Markdown("## Selection")
if len(_components) == 0:
gr.Markdown("Select first component to place.")
else:
gr.Markdown("Select component to place in selected area.")
for component in quick_component_list:
gr.Button(component.__name__, size="md").click(
lambda _layout, _component=component: add_component(
_component,
_layout,
_components,
_dependencies,
_add_index,
_new_component_id,
),
layout,
[
layout,
components,
dependencies,
mode,
modify_id,
new_component_id,
add_fn_btn,
],
)
any_component_search = gr.Dropdown(
[component.__name__ for component in all_component_list],
container=True,
label="Other Components...",
interactive=True,
)
any_component_search.change(
lambda _component, _layout: add_component(
get_component_by_name(_component),
_layout,
_components,
_dependencies,
_add_index,
_new_component_id,
),
[any_component_search, layout],
[
layout,
components,
dependencies,
mode,
modify_id,
new_component_id,
add_fn_btn,
],
)
if _mode == "modify_component":
component_name, kwargs, var_name = _components[_modify_id]
gr.Markdown(
"## Configuration\nHover over a component to add new components when done configuring."
)
var_name_box = gr.Textbox(var_name, label="Variable Name")
def set_var_name(name):
_components[_modify_id][2] = name
return _components
gr.on(
[var_name_box.blur, var_name_box.submit],
set_var_name,
var_name_box,
components,
)
gr.Markdown(
'Set args below with python syntax, e.g. `True`, `5`, or `["choice1", "choice2"]`.'
)
component = get_component_by_name(component_name)
arguments = list(signature(component.__init__).parameters.keys())[
1:
]
for arg in arguments:
if arg in nonconfigurable_params:
continue
arg_value = kwargs.get(arg, "")
arg_box = gr.Textbox(
arg_value,
label=arg,
info=f"<a href='https://www.gradio.app/docs/gradio/{component_name.lower()}#param-{component_name.lower()}-{arg.lower().replace('_', '-')}' target='_blank'>docs</a>",
)
def set_arg(value, arg=arg):
set_kwarg(_components[_modify_id][1], arg, value)
return _components
gr.on(
[arg_box.blur, arg_box.submit], set_arg, arg_box, components
)
if _mode == "modify_function":
dep = _dependencies[_modify_id]
_triggers, _inputs, _outputs, var_name, _history, _code = dep
gr.Markdown("## Event Listeners")
function_name_box = gr.Textbox(var_name, label="Function Name")
def set_fn_name(name):
dep[3] = name
return _dependencies
gr.on(
[function_name_box.blur, function_name_box.submit],
set_fn_name,
function_name_box,
dependencies,
)
gr.Markdown(
"Mark the components in the diagram as inputs or outputs, and select their triggers. Then use the code generator below."
)
if not _hf_token:
input_hf_token = gr.Textbox(
label="HF Token",
info="Needed for code generation. Copy from [HF Token Page](https://huggingface.co/settings/token). Token requires access to inference providers.",
type="password",
)
submit_token_btn = gr.Button("Submit Token", size="md")
submit_token_btn.click(set_hf_token, input_hf_token, hf_token)
else:
new_prompt_placeholder = "Describe what the function should do."
edit_prompt_placeholder = "Describe how to change the code generation. Click 'Reset Code' to start over."
history_exists = len(_history) > 0
prompt = gr.Textbox(
label="Prompt",
lines=3,
placeholder=edit_prompt_placeholder
if history_exists
else new_prompt_placeholder,
interactive=True,
)
no_components_are_set = (
len(_dependencies[_modify_id][1])
== 0 + len(_dependencies[_modify_id][2])
== 0
)
if no_components_are_set:
gr.Markdown(
"Set **all inputs and outputs** before generating code."
)
new_generate_text = "Generate Code"
update_generate_text = "Update Code"
generate_code_btn = gr.Button(
update_generate_text
if history_exists
else new_generate_text,
size="md",
interactive=not no_components_are_set,
)
reset_code_btn = gr.Button(
"Reset Code", size="md", visible=history_exists
)
__inputs = [_components[c][2] for c in _inputs]
__outputs = [_components[c][2] for c in _outputs]
_code = (
_code
if _code is not None
else f"""{get_header(var_name, __inputs)}
...
return {", ".join(["..." for _ in __outputs])}"""
)
fn_code = gr.Code(_code, lines=4, language="python")
save_code_btn = gr.Button("Save Code", size="md")
history = gr.JSON(_history, visible=False)
def generate(_prompt, _history):
yield from ai(
_history + [[_prompt, None]],
_hf_token,
var_name,
[
(
_components[c][2],
get_component_by_name(_components[c][0]),
_components[c][1],
)
for c in _inputs
],
[
(
get_component_by_name(_components[c][0]),
_components[c][1],
)
for c in _outputs
],
)
def append_to_history(
history: list[tuple[str, str]], prompt: str, code: str
):
history.append((prompt, code))
return (
history,
gr.Button(visible=True),
gr.Textbox(
value="", placeholder=edit_prompt_placeholder
),
gr.Button(update_generate_text),
)
generate_code_btn.click(
generate, [prompt, history], fn_code
).then(
append_to_history,
[history, prompt, fn_code],
[history, reset_code_btn, prompt, generate_code_btn],
show_progress="hidden",
)
def reset_code(_dependencies, _modify_id):
_dependencies[_modify_id][4] = []
_dependencies[_modify_id][5] = None
return (
get_header(var_name, __inputs),
gr.Button(visible=False),
gr.Textbox(placeholder=new_prompt_placeholder),
gr.Button(new_generate_text),
[],
_dependencies,
)
reset_code_btn.click(
reset_code,
[dependencies, modify_id],
[
fn_code,
reset_code_btn,
prompt,
generate_code_btn,
history,
dependencies,
],
)
def save_code(_history, _code):
try:
exec(_code, created_fns_namespace)
except BaseException as e:
raise gr.Error(f"Error saving function: {e}") from e
if var_name not in created_fns_namespace:
raise gr.Error(
f"Function '{var_name}' not found in code."
)
dep[4] = (
[]
if len(_history) == 0
else _history[:-1] + [[_history[-1][0], _code]]
)
dep[5] = _code
gr.Success("Function saved.", duration=2)
return _dependencies
save_code_btn.click(save_code, [history, fn_code], dependencies)
done_function_btn = gr.Button("Done", variant="primary", size="md")
done_function_btn.click(
lambda: ["default", None], None, [mode, modify_id]
)
del_function_btn = gr.Button(
"Delete Function", variant="stop", size="md"
)
def del_function():
del _dependencies[_modify_id]
return _dependencies, "default", None
del_function_btn.click(
del_function, None, [dependencies, mode, modify_id]
)
with gr.Row():
gr.Markdown("## Sketching '" + folder_name + "/" + file_name + "'")
add_fn_btn.render()
save_btn = gr.Button("Save & Render", variant="primary", scale=0)
deploy_to_spaces_btn = gr.Button(
"Deploy to Spaces",
visible=False,
scale=0,
min_width=240,
icon=gradio.utils.get_icon_path("huggingface-logo.svg"),
)
@gr.render(
[layout, components, dependencies, saved, modify_id, mode],
show_progress="hidden",
)
def app(_layout, _components, _dependencies, saved, _modify_id, _mode):
boxes = []
rendered_components = {}
function_mode = _mode == "modify_function"
def render_slot(slot, is_column, index, depth=1):
container = gr.Column() if is_column else gr.Row()
with container:
for i, element in enumerate(slot):
this_index = index + [i]
if isinstance(element, list):
if saved:
render_slot(
element, not is_column, this_index, depth + 1
)
else:
with SketchBox(
is_container=True, function_mode=function_mode
) as box:
render_slot(
element, not is_column, this_index, depth + 1
)
boxes.append((box, this_index))
continue
component_name, kwargs, var_name = _components[element]
component = get_component_by_name(component_name)
if saved:
rendered_components[element] = component(**kwargs)
else:
if function_mode:
triggers = [
t
for c, t in _dependencies[_modify_id][0]
if c == element
]
is_input = element in _dependencies[_modify_id][1]
is_output = element in _dependencies[_modify_id][2]
else:
triggers = None
is_input = False
is_output = False
with SketchBox(
component_type=component.__name__.lower(),
var_name=var_name,
active=_modify_id == element and not function_mode,
function_mode=function_mode,
event_list=component.EVENTS
if hasattr(component, "EVENTS")
else None,
is_input=is_input,
is_output=is_output,
triggers=triggers,
) as box:
component(**kwargs)
boxes.append((box, this_index))
render_slot(_layout, True, [])
for box, index in boxes:
def box_action(
_layout,
_components,
_dependencies,
_modify_id,
data: gr.SelectData,
index=index,
):
if data.value in ("up", "down", "left", "right"):
if len(index) % 2 == 1: # vertical
if data.value == "down":
index[-1] += 1
elif data.value == "left":
index.append(0)
elif data.value == "right":
index.append(1)
elif data.value == "right":
index[-1] += 1
elif data.value == "up":
index.append(0)
elif data.value == "down":
index.append(1)
return (
_layout,
_components,
_dependencies,
"add_component",
index,
None,
)
if data.value == "delete":
def delete_index(_layout, index):
gp, parent, target = get_box(_layout, index)
parent.remove(target)
if isinstance(target, int):
del _components[target]
if len(parent) == 0 and len(index) > 1:
delete_index(_layout, index[:-1])
elif len(parent) == 1 and gp:
gp[index[-2]] = parent[0]
delete_index(_layout, index)
if len(_layout) == 0:
return (
_layout,
_components,
_dependencies,
"add_component",
[0],
None,
)
else:
return (
_layout,
_components,
_dependencies,
"default",
[],
None,
)
if data.value == "modify":
*_, target = get_box(_layout, index)
return (
_layout,
_components,
_dependencies,
"modify_component",
None,
target,
)
if data.value in ["input", "output"]:
*_, target = get_box(_layout, index)
component_list = _dependencies[_modify_id][
1 if data.value == "input" else 2
]
if target in component_list:
component_list.remove(target)
else:
component_list.append(target)
return (
_layout,
_components,
_dependencies,
"modify_function",
None,
_modify_id,
)
if data.value.startswith("on:"):
*_, target = get_box(_layout, index)
event = data.value[3:]
triggers = _dependencies[_modify_id][0]
if (target, event) in triggers:
triggers.remove((target, event))
else:
triggers.append((target, event))
return (
_layout,
_components,
_dependencies,
"modify_function",
None,
_modify_id,
)
box.select(
box_action,
[layout, components, dependencies, modify_id],
[layout, components, dependencies, mode, add_index, modify_id],
)
if saved:
for triggers, inputs, outputs, fn_name, *_, code in _dependencies:
rendered_triggers = [
getattr(rendered_components[c], t) for c, t in triggers
]
rendered_inputs = [rendered_components[c] for c in inputs]
rendered_outputs = [rendered_components[c] for c in outputs]
if code:
try:
gr.on(
rendered_triggers,
created_fns_namespace[fn_name],
rendered_inputs,
rendered_outputs,
)
except Exception:
pass
else:
output_count = len(rendered_outputs)
fn_output = (
[gr.skip()] * output_count
if output_count > 1
else gr.skip()
if output_count == 1
else None
)
def sleep(*_):
print("sleeping")
time.sleep(1)
return fn_output
gr.on(
rendered_triggers, sleep, rendered_inputs, rendered_outputs
)
with gr.Sidebar(position="right", open=False) as right_sidebar:
gr.Markdown("## Functions")
@gr.render([dependencies], show_progress="hidden")
def render_deps(_dependencies):
for i, dep in enumerate(_dependencies):
fn_btn = gr.Button(dep[3], size="md")
def load_fn(i=i):
return "modify_function", i
fn_btn.click(load_fn, outputs=[mode, modify_id])
def add_fn(_dependencies):
_dependencies.append(
[[], [], [], f"fn_{len(_dependencies) + 1}", [], None]
)
return (
_dependencies,
"modify_function",
len(_dependencies) - 1,
gr.Sidebar(open=True),
)
add_fn_btn.click(
add_fn, dependencies, [dependencies, mode, modify_id, right_sidebar]
)
gr.Markdown("## Generated File")
code = gr.Code(language="python", interactive=False, show_label=False)
@gr.on(
inputs=[layout, components, dependencies],
outputs=code,
show_progress="hidden",
)
def render_code(_layout, _components, _dependencies):
code_str = ""
def render_code_slot(slot, is_column, index, depth=1):
nonlocal code_str
for i, element in enumerate(slot):
this_index = index + [i]
if isinstance(element, list):
code_str += (
" " * depth
+ "with gr."
+ ("Row" if is_column else "Column")
+ "():\n"
)
render_code_slot(
element, not is_column, this_index, depth + 1
)
continue
component_name, kwargs, var_name = _components[element]
code_str += (
" " * depth + var_name + " = gr." + component_name + "("
)
for i, (k, v) in enumerate(kwargs.items()):
v = (
f'"{v}"'.replace("\n", "\\n")
if isinstance(v, str)
else v
)
if i != 0:
code_str += ", "
code_str += f"{k}={v}"
code_str += ")\n"
render_code_slot(_layout, True, [])
for dep in _dependencies:
triggers = [_components[c][2] + "." + t for c, t in dep[0]]
inputs = [_components[c][2] for c in dep[1]]
outputs = [_components[c][2] for c in dep[2]]
fn_name = dep[3]
if dep[5] is not None:
fn_code = dep[5].replace("\n", "\n ")
else:
fn_code = f"""def {fn_name}({", ".join(inputs)}):
...
return {", ".join(["..." for _ in outputs])}"""
code_str += f"""
@{triggers[0] + "(" if len(triggers) == 1 else "gr.on([" + ", ".join(triggers) + "], "}inputs=[{", ".join(inputs)}], outputs=[{", ".join(outputs)}])
{fn_code}
"""
code_str = f"""import gradio as gr
with gr.Blocks() as demo:
{code_str}
demo.launch()"""
return code_str
@save_btn.click(
inputs=[saved, code, dependencies],
outputs=[
saved,
save_btn,
add_fn_btn,
deploy_to_spaces_btn,
mode,
left_sidebar,
right_sidebar,
],
show_progress="hidden",
)
def save(saved, code, deps):
with open(app_file, "w") as f:
f.write(code)
with open(config_file, "w") as f:
json.dump(
{
"layout": _layout,
"components": _components,
},
f,
)
return [
not saved,
"Save & Render" if saved else "Edit Sketch",
gr.Button(visible=saved),
gr.Button(visible=not saved),
"default",
gr.Sidebar(open=saved),
gr.Sidebar(open=saved and len(deps) > 0),
]
deploy_to_spaces_btn.click(
fn=None,
inputs=code,
js="""(code) => {
code = encodeURIComponent(code);
url = `https://huggingface.co/new-space?name=new-space&sdk=gradio&files[0][path]=app.py&files[0][content]=${code}`
window.open(url, '_blank')
}""",
)
return demo
if __name__ == "__main__":
demo = create("app.py", "app.json")
demo.launch()
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