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| #!/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 |
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