193 lines
8.6 KiB
Python
193 lines
8.6 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.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, um Unabhängigkeit zu gewährleisten
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class TempConfig:
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DEALFRONT_LOGIN_URL = "https://app.dealfront.com/login"
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TARGET_SEARCH_NAME = "Facility Management" # Passen Sie dies bei Bedarf an
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DEALFRONT_CREDENTIALS_FILE = "/app/dealfront_credentials.json"
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DEALFRONT_TARGET_URL = "https://app.dealfront.com/t?products=target%2Cconnect%2Cpromote%2Cdatacare"
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# Logging-Konfiguration
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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)
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logging.getLogger("selenium").setLevel(logging.WARNING)
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logger = logging.getLogger(__name__)
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# Log-Datei einrichten
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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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os.makedirs(OUTPUT_DIR, exist_ok=True)
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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 den DealfrontScraper...")
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chrome_options = ChromeOptions()
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prefs = {"profile.managed_default_content_settings.images": 2}
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chrome_options.add_experimental_option("prefs", prefs)
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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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try:
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self.driver = webdriver.Chrome(options=chrome_options)
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except Exception as e:
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logger.critical(f"WebDriver konnte nicht initialisiert werden.", exc_info=True)
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raise
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self.wait = WebDriverWait(self.driver, 45) # Erhöhter Timeout für mehr Stabilität
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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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creds = json.load(f)
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return creds.get("username"), creds.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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try:
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timestamp = time.strftime("%Y%m%d-%H%M%S")
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screenshot_filepath = os.path.join(OUTPUT_DIR, f"error_{timestamp}.png")
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html_filepath = os.path.join(OUTPUT_DIR, f"error_{timestamp}.html")
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self.driver.save_screenshot(screenshot_filepath)
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logger.error(f"Screenshot '{screenshot_filepath}' wurde gespeichert.")
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with open(html_filepath, "w", encoding="utf-8") as f:
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f.write(self.driver.page_source)
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logger.error(f"HTML-Quellcode '{html_filepath}' wurde gespeichert.")
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except Exception as e:
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logger.error(f"Konnte Debug-Artefakte nicht speichern: {e}")
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def login(self):
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try:
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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. Warte auf Weiterleitung...")
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# Warten auf ein Element, das nach dem Login sicher da ist (z.B. Dashboard-Link)
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self.wait.until(EC.visibility_of_element_located((By.XPATH, "//a[contains(@href, '/dashboard')]")))
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logger.info("Login erfolgreich und Dashboard erreicht.")
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return True
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except Exception as e:
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logger.critical(f"Login-Prozess fehlgeschlagen.", exc_info=True)
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self._save_debug_artifacts()
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return False
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def navigate_and_load_search(self, search_name):
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try:
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logger.info(f"Navigiere direkt zur Target-Seite und lade Suche '{search_name}'...")
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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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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. Warte auf das Rendern der Ergebnisse.")
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first_row_locator = (By.CSS_SELECTOR, "table#t-result-table tbody tr[id]")
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self.wait.until(EC.visibility_of_element_located(first_row_locator))
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logger.info("Ergebnisseite erfolgreich geladen.")
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return True
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except Exception as e:
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logger.critical(f"Navigation oder Laden der Suche fehlgeschlagen.", exc_info=True)
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self._save_debug_artifacts()
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return False
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def extract_current_page_results(self):
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try:
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logger.info("Extrahiere Ergebnisse zeilenweise...")
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results = []
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# Warte auf das Laden der Tabelle
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table_rows = self.driver.find_elements(By.CSS_SELECTOR, "table#t-result-table tbody tr[id]")
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logger.info(f"{len(table_rows)} Tabellenzeilen gefunden.")
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for row in table_rows:
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# Firmenname extrahieren
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try:
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company_elem = row.find_element(By.CSS_SELECTOR, "td.sticky-column a.t-highlight-text")
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company_name = company_elem.get_attribute("title").strip()
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except NoSuchElementException:
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company_name = "N/A"
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# Webseite extrahieren (kann fehlen)
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try:
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website_elem = row.find_element(By.CSS_SELECTOR, "a.text-gray-400.t-highlight-text")
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website = website_elem.text.strip()
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except NoSuchElementException:
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website = "N/A"
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results.append({'name': company_name, 'website': website})
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logger.info(f"Extraktion abgeschlossen. {len(results)} Firmen verarbeitet.")
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return results
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except Exception as e:
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logger.error(f"Fehler bei der zeilenweisen Extraktion: {type(e).__name__}", exc_info=True)
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self._save_debug_artifacts()
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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 - Finaler Workflow")
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scraper = None
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try:
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scraper = DealfrontScraper()
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if not scraper.driver:
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raise Exception("WebDriver konnte nicht initialisiert werden.")
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if not scraper.login():
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raise Exception("Login fehlgeschlagen.")
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if not scraper.navigate_and_load_search(TempConfig.TARGET_SEARCH_NAME):
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raise Exception("Navigation und Laden der Suche fehlgeschlagen.")
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companies = scraper.extract_current_page_results()
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if companies:
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df = pd.DataFrame(companies)
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pd.set_option('display.max_rows', None)
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pd.set_option('display.max_columns', None)
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pd.set_option('display.width', 1000)
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pd.set_option('display.max_colwidth', -1)
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print("\n" + "="*80)
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print(" EXTRAHIERTE FIRMEN (ERSTE SEITE) ".center(80, "="))
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print("="*80)
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print(df.to_string(index=False))
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print("="*80 + "\n")
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else:
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logger.warning("Keine Firmen konnten extrahiert werden.")
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logger.info("Test erfolgreich abgeschlossen.")
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except Exception as e:
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logger.critical(f"Ein kritischer Fehler ist im Hauptprozess aufgetreten: {e}")
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finally:
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if scraper:
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scraper.close()
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logger.info("Dealfront Automatisierung beendet.") |