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Model runner panel.
Lets users:
- Load a local .py model or register a remote API endpoint
- Run scoring models against the worklist or a subset of sequences
- Run generative models to create new sequences (added to worklist)
- View results in a sortable table
"""
from __future__ import annotations
from typing import TYPE_CHECKING
import panel as pn
import param
if TYPE_CHECKING:
from ui.state import AppState
class ModelRunnerPanel(param.Parameterized):
"""Model loading and execution panel."""
def __init__(self, state: "AppState", **params: object) -> None:
super().__init__(**params)
self._state = state
self._status_pane = pn.pane.HTML("")
# ── Load section ──────────────────────────────────────────────────────────
def _build_load_section(self) -> pn.Column:
# Local file
self._local_path = pn.widgets.TextInput(
name="Local model path (.py)",
placeholder="/path/to/my_model.py",
width=380,
)
load_local_btn = pn.widgets.Button(name="Load", button_type="primary", margin=(8, 4))
load_local_btn.on_click(self._on_load_local)
# API endpoint
self._api_endpoint = pn.widgets.TextInput(
name="API Endpoint URL",
placeholder="https://model.example.com/api/v1",
width=300,
)
self._api_name = pn.widgets.TextInput(name="Model Name", placeholder="my_scorer", width=180)
self._api_key_input = pn.widgets.PasswordInput(name="API Key (optional)", width=220)
self._api_type = pn.widgets.Select(
name="Type", options=["Scoring", "Generative"], value="Scoring", width=130
)
load_api_btn = pn.widgets.Button(name="Register", button_type="primary", margin=(8, 4))
load_api_btn.on_click(self._on_register_api)
return pn.Column(
pn.pane.HTML(
'<div style="font-size:13px;font-weight:700;margin-bottom:6px;">'
'Load Model</div>'
),
pn.Tabs(
("Local File", pn.Column(pn.Row(self._local_path, load_local_btn))),
("API Endpoint", pn.Column(
pn.Row(self._api_endpoint, self._api_name),
pn.Row(self._api_key_input, self._api_type, load_api_btn),
)),
),
)
# ── Loaded models list ─────────────────────────────────────────────────────
@param.depends("_state.model_registry")
def _loaded_models_view(self) -> pn.Column:
registry = self._state.model_registry
all_models = registry.all_models
if not all_models:
return pn.pane.HTML(
'<div style="color:#64748B;font-size:12px;padding:8px 0;">'
'No models loaded yet.</div>'
)
rows = []
for reg in all_models:
type_badge_color = "#0284C7" if reg.model_type == "scoring" else "#7C3AED"
source_badge = (
'<span style="background:#059669;color:white;border-radius:3px;'
'padding:1px 5px;font-size:9px;">LOCAL</span>'
if reg.source == "local" else
'<span style="background:#D97706;color:white;border-radius:3px;'
'padding:1px 5px;font-size:9px;">API</span>'
)
type_badge = (
f'<span style="background:{type_badge_color};color:white;'
f'border-radius:3px;padding:1px 5px;font-size:9px;">'
f'{reg.model_type.upper()}</span>'
)
remove_btn = pn.widgets.Button(
name="✕",
button_type="danger",
width=30,
margin=(1, 2),
)
model_name_captured = reg.model.name
def _remove(event: object, mn: str = model_name_captured) -> None:
self._state.model_registry.unregister(mn)
self._state.param.trigger("model_registry")
remove_btn.on_click(_remove)
rows.append(pn.Row(
pn.pane.HTML(
f'<div style="font-size:12px;min-width:160px;padding-top:6px;">'
f'{reg.model.name}</div>'
),
pn.pane.HTML(f'<div style="padding-top:6px;">{type_badge} {source_badge}</div>'),
pn.pane.HTML(
f'<div style="font-size:10px;color:#64748B;padding-top:7px;'
f'max-width:200px;overflow:hidden;text-overflow:ellipsis;">'
f'{reg.model.description}</div>'
),
remove_btn,
))
return pn.Column(*rows)
# ── Run section ────────────────────────────────────────────────────────────
def _build_run_section(self) -> pn.Column:
registry = self._state.model_registry
scoring_names = [r.model.name for r in registry.scoring_models]
gen_names = [r.model.name for r in registry.generative_models]
self._score_model_select = pn.widgets.Select(
name="Scoring Model",
options=scoring_names or ["(none loaded)"],
width=240,
)
run_score_btn = pn.widgets.Button(
name="Score Worklist", button_type="success", margin=(8, 4)
)
run_score_btn.on_click(self._on_run_scoring)
self._gen_model_select = pn.widgets.Select(
name="Generative Model",
options=gen_names or ["(none loaded)"],
width=240,
)
self._gen_n = pn.widgets.IntInput(name="# sequences", value=10, width=100)
run_gen_btn = pn.widgets.Button(
name="Generate Sequences", button_type="primary", margin=(8, 4)
)
run_gen_btn.on_click(self._on_run_generation)
return pn.Column(
pn.pane.HTML(
'<div style="font-size:13px;font-weight:700;margin:12px 0 6px 0;">'
'Run Models</div>'
),
pn.Tabs(
("Score Sequences", pn.Column(
pn.Row(self._score_model_select, run_score_btn),
pn.pane.HTML(
'<div style="font-size:11px;color:#64748B;">'
'Scores all items currently in the worklist.</div>'
),
)),
("Generate Sequences", pn.Column(
pn.Row(self._gen_model_select, self._gen_n, run_gen_btn),
pn.pane.HTML(
'<div style="font-size:11px;color:#64748B;">'
'New sequences are added to the worklist.</div>'
),
)),
),
)
# ── Full panel ─────────────────────────────────────────────────────────────
def panel(self) -> pn.Column:
return pn.Column(
pn.pane.HTML(
'<div style="font-size:16px;font-weight:800;padding:8px 0;">'
'Models</div>'
),
self._build_load_section(),
pn.layout.Divider(),
pn.pane.HTML(
'<div style="font-size:13px;font-weight:700;margin-bottom:6px;">'
'Loaded Models</div>'
),
pn.panel(self._loaded_models_view),
pn.layout.Divider(),
self._build_run_section(),
self._status_pane,
sizing_mode="stretch_width",
styles={"padding": "8px 16px"},
)
# ── Event handlers ─────────────────────────────────────────────────────────
def _on_load_local(self, event: object) -> None:
path = self._local_path.value.strip()
if not path:
return
try:
loaded = self._state.model_registry.load_local(path)
self._state.param.trigger("model_registry")
names = ", ".join(m.name for m in loaded)
self._status_pane.object = (
f'<div style="color:#059669;font-size:12px;">Loaded: {names}</div>'
)
except Exception as e:
self._status_pane.object = (
f'<div style="color:#DC2626;font-size:12px;">Error: {e}</div>'
)
def _on_register_api(self, event: object) -> None:
endpoint = self._api_endpoint.value.strip()
name = self._api_name.value.strip() or "api_model"
key = self._api_key_input.value or None
model_type = self._api_type.value
if not endpoint:
return
try:
if model_type == "Scoring":
self._state.model_registry.register_api_scorer(endpoint, name, key)
else:
self._state.model_registry.register_api_generator(endpoint, name, key)
self._state.param.trigger("model_registry")
self._status_pane.object = (
f'<div style="color:#059669;font-size:12px;">Registered API: {name}</div>'
)
except Exception as e:
self._status_pane.object = (
f'<div style="color:#DC2626;font-size:12px;">Error: {e}</div>'
)
def _on_run_scoring(self, event: object) -> None:
model_name = self._score_model_select.value
if not model_name or model_name == "(none loaded)":
return
sequences = self._state.worklist.sequences
if not sequences:
self._status_pane.object = (
'<div style="color:#D97706;font-size:12px;">Worklist is empty.</div>'
)
return
try:
df = self._state.model_registry.run_scoring(model_name, sequences)
score_map = dict(zip(df["id"], df["score"]))
for item in self._state.worklist.items:
if item.sequence.id in score_map:
item.scores[model_name] = score_map[item.sequence.id]
self._state.param.trigger("worklist")
self._status_pane.object = (
f'<div style="color:#059669;font-size:12px;">'
f'Scored {len(sequences)} sequences with {model_name}</div>'
)
except Exception as e:
self._status_pane.object = (
f'<div style="color:#DC2626;font-size:12px;">Scoring failed: {e}</div>'
)
def _on_run_generation(self, event: object) -> None:
model_name = self._gen_model_select.value
if not model_name or model_name == "(none loaded)":
return
n = self._gen_n.value or 10
try:
new_seqs = self._state.model_registry.run_generation(model_name, constraints={}, n=n)
self._state.worklist.add_many(new_seqs, origin="generated")
self._state.param.trigger("worklist")
self._status_pane.object = (
f'<div style="color:#059669;font-size:12px;">'
f'Generated {len(new_seqs)} sequences — added to worklist</div>'
)
except Exception as e:
self._status_pane.object = (
f'<div style="color:#DC2626;font-size:12px;">Generation failed: {e}</div>'
)
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