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Fix2 electricity price prediction. (#296)

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Normalize electricity price prediction to €/Wh.
Provide electricity price prediction by €/kWh for convenience.

Allow to configure electricity price charges by €/kWh.

Also added error page to fastapi rest server to get rid of annoying
unrelated fault messages during testing.

Signed-off-by: Bobby Noelte <b0661n0e17e@gmail.com>
This commit is contained in:
Bobby Noelte
2024-12-30 21:29:50 +01:00
committed by GitHub
parent 45079ca29c
commit c0ea13d0f4
13 changed files with 178 additions and 52 deletions
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137
src/akkudoktoreos/server/fastapi_server.py
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@@ -11,7 +11,7 @@ import pandas as pd
import uvicorn
from fastapi import FastAPI, Query, Request
from fastapi.exceptions import HTTPException
from fastapi.responses import FileResponse, RedirectResponse, Response
from fastapi.responses import FileResponse, HTMLResponse, RedirectResponse, Response
from akkudoktoreos.config.config import ConfigEOS, SettingsEOS, get_config
from akkudoktoreos.core.ems import get_ems
@@ -37,6 +37,98 @@ measurement_eos = get_measurement()
prediction_eos = get_prediction()
ems_eos = get_ems()
ERROR_PAGE_TEMPLATE = """
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Energy Optimization System (EOS) Error</title>
<style>
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
background-color: #f5f5f5;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
padding: 20px;
box-sizing: border-box;
}
.error-container {
background: white;
padding: 2rem;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
max-width: 500px;
width: 100%;
text-align: center;
}
.error-code {
font-size: 4rem;
font-weight: bold;
color: #e53e3e;
margin: 0;
}
.error-title {
font-size: 1.5rem;
color: #2d3748;
margin: 1rem 0;
}
.error-message {
color: #4a5568;
margin-bottom: 1.5rem;
}
.error-details {
background: #f7fafc;
padding: 1rem;
border-radius: 4px;
margin-bottom: 1.5rem;
text-align: left;
font-family: monospace;
white-space: pre-wrap;
word-break: break-word;
}
.back-button {
background: #3182ce;
color: white;
border: none;
padding: 0.75rem 1.5rem;
border-radius: 4px;
text-decoration: none;
display: inline-block;
transition: background-color 0.2s;
}
.back-button:hover {
background: #2c5282;
}
</style>
</head>
<body>
<div class="error-container">
<h1 class="error-code">STATUS_CODE</h1>
<h2 class="error-title">ERROR_TITLE</h2>
<p class="error-message">ERROR_MESSAGE</p>
<div class="error-details">ERROR_DETAILS</div>
<a href="/docs" class="back-button">Back to Home</a>
</div>
</body>
</html>
"""
def create_error_page(
status_code: str, error_title: str, error_message: str, error_details: str
) -> str:
"""Create an error page by replacing placeholders in the template."""
return (
ERROR_PAGE_TEMPLATE.replace("STATUS_CODE", status_code)
.replace("ERROR_TITLE", error_title)
.replace("ERROR_MESSAGE", error_message)
.replace("ERROR_DETAILS", error_details)
)
def start_fasthtml_server() -> subprocess.Popen:
"""Start the fasthtml server as a subprocess."""
@@ -301,10 +393,11 @@ def fastapi_prediction_list_get(
@app.get("/strompreis")
def fastapi_strompreis() -> list[float]:
"""Deprecated: Electricity Market Price Prediction.
"""Deprecated: Electricity Market Price Prediction per Wh (€/Wh).
Note:
Use '/v1/prediction/list?key=elecprice_marketprice' instead.
Use '/v1/prediction/list?key=elecprice_marketprice_wh' or
'/v1/prediction/list?key=elecprice_marketprice_kwh' instead.
"""
settings = SettingsEOS(
elecprice_provider="ElecPriceAkkudoktor",
@@ -318,7 +411,7 @@ def fastapi_strompreis() -> list[float]:
# Get the current date and the end date based on prediction hours
# Fetch prices for the specified date range
return prediction_eos.key_to_array(
key="elecprice_marketprice",
key="elecprice_marketprice_wh",
start_datetime=prediction_eos.start_datetime,
end_datetime=prediction_eos.end_datetime,
).tolist()
@@ -513,7 +606,7 @@ async def proxy_put(request: Request, path: str) -> Response:
return await proxy(request, path)
async def proxy(request: Request, path: str) -> Union[Response | RedirectResponse]:
async def proxy(request: Request, path: str) -> Union[Response | RedirectResponse | HTMLResponse]:
if config_eos.server_fasthtml_host and config_eos.server_fasthtml_port:
# Proxy to fasthtml server
url = f"http://{config_eos.server_fasthtml_host}:{config_eos.server_fasthtml_port}/{path}"
@@ -521,15 +614,31 @@ async def proxy(request: Request, path: str) -> Union[Response | RedirectRespons
data = await request.body()
async with httpx.AsyncClient() as client:
if request.method == "GET":
response = await client.get(url, headers=headers)
elif request.method == "POST":
response = await client.post(url, headers=headers, content=data)
elif request.method == "PUT":
response = await client.put(url, headers=headers, content=data)
elif request.method == "DELETE":
response = await client.delete(url, headers=headers, content=data)
try:
async with httpx.AsyncClient() as client:
if request.method == "GET":
response = await client.get(url, headers=headers)
elif request.method == "POST":
response = await client.post(url, headers=headers, content=data)
elif request.method == "PUT":
response = await client.put(url, headers=headers, content=data)
elif request.method == "DELETE":
response = await client.delete(url, headers=headers, content=data)
except Exception as e:
error_page = create_error_page(
status_code="404",
error_title="Page Not Found",
error_message=f"""<pre>
Application server not reachable: '{url}'
Did you start the application server
or set 'server_fastapi_startup_server_fasthtml'?
If there is no application server intended please
set 'server_fasthtml_host' or 'server_fasthtml_port' to None.
</pre>
""",
error_details=f"{e}",
)
return HTMLResponse(content=error_page, status_code=404)
return Response(
content=response.content,