132 lines
5.8 KiB
Python
132 lines
5.8 KiB
Python
import os
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import json
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import time
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import logging
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import pandas as pd
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from selenium import webdriver
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from selenium.webdriver.common.by import By
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from selenium.webdriver.chrome.service import Service
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from selenium.webdriver.chrome.options import Options as ChromeOptions
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from selenium.webdriver.support.ui import WebDriverWait
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from selenium.webdriver.support import expected_conditions as EC
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from selenium.common.exceptions import TimeoutException, NoSuchElementException
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# Temporäre Konfiguration direkt im Skript
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class TempConfig:
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DEALFRONT_LOGIN_URL = "https://app.dealfront.com/login"
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DEALFRONT_TARGET_URL = "https://app.dealfront.com/t/prospector/companies"
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TARGET_SEARCH_NAME = "Facility Management" # Anzupassender Name der Suche
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DEALFRONT_CREDENTIALS_FILE = "/app/dealfront_credentials.json"
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OUTPUT_DIR = "/app/output"
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LOG_FORMAT = '%(asctime)s - %(levelname)-8s - %(name)-25s - %(message)s'
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logging.basicConfig(level=logging.INFO, format=LOG_FORMAT, force=True, handlers=[logging.StreamHandler()])
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logging.getLogger("selenium").setLevel(logging.WARNING)
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logger = logging.getLogger(__name__)
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# FileHandler
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log_filename = f"dealfront_run_{time.strftime('%Y%m%d-%H%M%S')}.txt"
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log_filepath = os.path.join(OUTPUT_DIR, log_filename)
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try:
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file_handler = logging.FileHandler(log_filepath, mode='w', encoding='utf-8')
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file_handler.setLevel(logging.DEBUG)
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file_handler.setFormatter(logging.Formatter(LOG_FORMAT))
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logging.getLogger().addHandler(file_handler)
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logger.info(f"Logging konfiguriert. Log-Datei: {log_filepath}")
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except Exception as e:
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logger.error(f"Konnte Log-Datei nicht erstellen: {e}")
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class DealfrontScraper:
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def __init__(self):
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logger.info("Initialisiere DealfrontScraper...")
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chrome_options = ChromeOptions()
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chrome_options.add_experimental_option("prefs", {"profile.managed_default_content_settings.images": 2})
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chrome_options.add_argument("--headless")
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chrome_options.add_argument("--no-sandbox")
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chrome_options.add_argument("--disable-dev-shm-usage")
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chrome_options.add_argument("--window-size=1920,1080")
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service = Service(executable_path='/usr/bin/chromedriver')
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try:
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self.driver = webdriver.Chrome(service=service, options=chrome_options)
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except Exception as e:
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logger.critical("WebDriver konnte nicht initialisiert werden.", exc_info=True)
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raise
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self.wait = WebDriverWait(self.driver, 30)
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self.username, self.password = self._load_credentials()
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logger.info("WebDriver erfolgreich initialisiert.")
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def _load_credentials(self):
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try:
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with open(TempConfig.DEALFRONT_CREDENTIALS_FILE, 'r') as f:
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return json.load(f).get("username"), json.load(f).get("password")
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except Exception as e:
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logger.error(f"Credentials-Datei konnte nicht geladen werden: {e}")
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return None, None
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def _save_debug_artifacts(self):
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# Implementierung bleibt gleich
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pass
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def login(self):
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logger.info(f"Navigiere zur Login-Seite: {TempConfig.DEALFRONT_LOGIN_URL}")
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self.driver.get(TempConfig.DEALFRONT_LOGIN_URL)
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self.wait.until(EC.visibility_of_element_located((By.NAME, "email"))).send_keys(self.username)
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self.driver.find_element(By.CSS_SELECTOR, "input[type='password']").send_keys(self.password)
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self.driver.find_element(By.XPATH, "//button[normalize-space()='Log in']").click()
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logger.info("Login-Befehl gesendet. Kurze Pause...")
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time.sleep(5)
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return True
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def navigate_to_target(self):
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logger.info(f"Navigiere direkt zur Target-URL.")
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self.driver.get(TempConfig.DEALFRONT_TARGET_URL)
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self.wait.until(EC.url_contains("/t/prospector/"))
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logger.info(f"URL-Wechsel bestätigt.")
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self.wait.until(EC.visibility_of_element_located((By.XPATH, "//button[normalize-space()='+ Neue Suche']")))
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logger.info("'Target'-Seite erfolgreich geladen.")
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return True
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def load_search(self, search_name):
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logger.info(f"Lade Suche: '{search_name}'...")
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search_item_selector = (By.XPATH, f"//div[contains(@class, 'truncate') and normalize-space()='{search_name}']")
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self.wait.until(EC.element_to_be_clickable(search_item_selector)).click()
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logger.info(f"Suche '{search_name}' geladen.")
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return True
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def extract_current_page_results(self):
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logger.warning("Extraktionsmethode ist noch nicht implementiert und wird übersprungen.")
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# Hier muss die robuste Warte- und Extraktionslogik implementiert werden.
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return []
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def close(self):
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if self.driver:
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logger.info("Schließe den WebDriver.")
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self.driver.quit()
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if __name__ == "__main__":
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logger.info("Starte Dealfront Automatisierung - Stabiler Stand")
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scraper = None
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try:
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scraper = DealfrontScraper()
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scraper.login()
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scraper.navigate_to_target()
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scraper.load_search(TempConfig.TARGET_SEARCH_NAME)
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logger.info("Alle Schritte bis zur Anzeige der Ergebnisseite waren erfolgreich.")
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logger.info("Nächster Schritt: Implementierung der Extraktionslogik.")
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# Hier wird die (noch leere) Extraktionsmethode aufgerufen
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companies = scraper.extract_current_page_results()
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if companies:
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print("Erfolgreich extrahiert (dies sollte noch nicht passieren).")
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else:
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logger.info("Keine Daten extrahiert, wie erwartet.")
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except Exception as e:
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logger.critical(f"Ein kritischer Fehler ist aufgetreten: {e}", exc_info=True)
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scraper._save_debug_artifacts()
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finally:
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if scraper:
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logger.info("Prozess beendet. Browser bleibt 10s offen.")
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time.sleep(10)
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scraper.close() |