gistfile1.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
main.py
This script demonstrates how to extract temperature values from a web page using Selenium and regular expressions.
"""

import re
from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.common.by import By
from fastapi import FastAPI
from fastapi.responses import ORJSONResponse

# Api
app = FastAPI()

# Initialize a Selenium WebDriver (in this case, Chrome)
chrome_options = webdriver.ChromeOptions()
prefs = {"profile.managed_default_content_settings.images": 2}
chrome_options.add_experimental_option("prefs", prefs)
driver = webdriver.Chrome(options=chrome_options)


@app.get("/temperature/", response_class=ORJSONResponse)
async def get_temperature():
    return ORJSONResponse([{"celsius": scrape_temperature()}])


def extract_temperature(text):
    """
    Extracts the temperature value (in Celsius) from a given text string.

    Args:
        text (str): The input text containing the temperature value.

    Returns:
        float or None: The extracted temperature value as a float, or None if not found.
    """
    # Define a regular expression pattern to match the temperature value
    pattern = r'([-+]?\d*\.?\d+)[°C]'

    # Search for the pattern in the input text
    match = re.search(pattern, text)

    if match:
        # Extract the matched temperature value and convert it to a float
        temperature = float(match.group(1))
        return temperature
    else:
        return None


def scrape_temperature():
    """
    The main function to run the script.
    """

    # Open a web page with temperature information
    driver.get("https://portal.loggamera.se/PublicViews/OverviewInside?id=22")

    # Find the element on the web page with the specified class name
    elem = driver.find_element(By.CLASS_NAME, "display-value")

    # Extract and print the temperature value from the element's text
    temperature = extract_temperature(elem.text)

    return temperature