98 lines
2.9 KiB
Python
98 lines
2.9 KiB
Python
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import json
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import os
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import panel
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from datetime import datetime
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from typing import Any
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from pydantic import BaseModel
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from watt42_viewlib import attach_w42_state
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panel.extension('echarts', 'ace', 'jsoneditor')
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SYSTEM_ID = os.environ.get("WATT42_SYSTEM_ID", "invalid-system-id")
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API_TOKEN = os.environ.get("WATT42_API_TOKEN", "invalid-api-token")
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w42_state = panel.rx(None)
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attach_w42_state(rx_var=w42_state, system_id=SYSTEM_ID, token=API_TOKEN)
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class PvForecast(BaseModel):
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at: datetime = datetime.now()
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slots: list[float] = []
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class LoadForecast(BaseModel):
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at: datetime = datetime.now()
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slots: list[float] = []
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class InverterForecast(BaseModel):
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levels: list[float] = []
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class SystemState(BaseModel):
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pv_forecast: PvForecast = PvForecast()
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load_forecast: LoadForecast = LoadForecast()
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value: int = 42
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inverter: InverterForecast = InverterForecast()
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def state_to_text(state: dict[str, Any]) -> str:
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return f"Watt42 State:\n\n```\n{json.dumps(state, indent=2)}\n```\n\nReplace this with some awesome visuals"
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state_as_text = panel.bind(state_to_text, w42_state)
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state_pane = panel.pane.Markdown(state_as_text, sizing_mode='stretch_width')
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def chart1(state: SystemState) -> dict:
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""" Return an ECharts option dict visualizing some aspect of the state."""
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now = state.load_forecast.at
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pv_slots = state.pv_forecast.slots
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load_slots = state.load_forecast.slots
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hours = list(range(len(pv_slots)))
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option = {
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"title": {"text": f"PV and Load Forecast at {now.strftime('%Y-%m-%d %H:%M')}"},
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"tooltip": {"trigger": "axis"},
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"legend": {"data": ["PV Forecast", "Load Forecast", "Inverter Level"]},
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"xAxis": {"type": "category", "data": hours, "name": "Hours"},
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"yAxis": {"type": "value", "name": "Power (kW)"},
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"series": [
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{
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"name": "PV Forecast",
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"type": "line",
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"data": pv_slots,
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},
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{
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"name": "Load Forecast",
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"type": "line",
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"data": load_slots,
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},
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{
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"name": "Inverter Level",
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"type": "line",
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"data": state.inverter.levels,
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}
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],
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}
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return option
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chart1_rx = panel.rx(chart1)(panel.rx(lambda s: SystemState.model_validate(s) if s else SystemState())(w42_state))
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sidebar_content = """
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Demonstrates how to visualize the Watt42 "dumb inverter simulation" system state.
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Find instructions on [how to use this example
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here](https://source.c3.uber5.com/watt42-public/watt42_viewlib/src/branch/main/README.md#how-to-use).
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"""
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_ = panel.template.FastListTemplate(
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title="Watt42: Dumb Inverter Visualization Example",
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sidebar=[panel.pane.Markdown(sidebar_content, sizing_mode='stretch_width')],
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main=[
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panel.pane.ECharts(chart1_rx, sizing_mode='stretch_width', height=400, theme='light'),
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state_pane,
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w42_state,
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],
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).servable()
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