Firefox-Tools: Browser-Automatisierung & Plugins

🌐 Warum den Browser automatisieren?

Viele Geschäftsprozesse laufen heute im Browser — aber manuell. Login, Daten eintragen, exportieren, wiederholen. Firefox-Tools übernehmen diese repetitiven Abläufe automatisch, 24/7, ohne menschlichen Eingriff.

🛠️ Tool-Übersicht

💻 Beispiel: Selenium-Web-Scraper

from selenium import webdriver
from selenium.webdriver.firefox.options import Options
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

class FirefoxScraper:
    """Headless Firefox Scraper mit Proxy & Anti-Detection."""
    
    def __init__(self, proxy: str = None):
        self.options = Options()
        self.options.add_argument('--headless')
        self.options.set_preference('dom.webdriver.enabled', False)
        self.options.set_preference('useAutomationExtension', False)
        
        if proxy:
            self.options.set_preference('network.proxy.type', 1)
            self.options.set_preference('network.proxy.http', proxy)
        
        self.driver = webdriver.Firefox(options=self.options)
        self.wait = WebDriverWait(self.driver, 10)
    
    def scrape_page(self, url: str, selectors: dict) -> dict:
        """Extrahiert Daten mit konfigurierbaren CSS-Selektoren."""
        self.driver.get(url)
        
        result = {}
        for key, selector in selectors.items():
            try:
                elements = self.wait.until(
                    EC.presence_of_all_elements_located((By.CSS_SELECTOR, selector))
                )
                result[key] = [el.text.strip() for el in elements]
            except Exception as e:
                result[key] = [f"ERROR: {e}"]
        
        return result
    
    def scrape_paginated(self, base_url: str, selectors: dict, 
                         next_selector: str, max_pages: int = 10):
        """Scraped mehrere Seiten mit Paginierung."""
        all_results = []
        current_url = base_url
        
        for page in range(max_pages):
            self.driver.get(current_url)
            page_data = self.scrape_page(current_url, selectors)
            all_results.extend(page_data)
            
            try:
                next_btn = self.driver.find_element(By.CSS_SELECTOR, next_selector)
                current_url = next_btn.get_attribute('href')
            except:
                break  # Keine weitere Seite
        
        return all_results