202 lines
9.2 KiB
Python
202 lines
9.2 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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# --- Konfiguration ---
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class Config:
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LOGIN_URL = "https://app.dealfront.com/login"
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TARGET_URL = "https://app.dealfront.com/t/prospector/companies"
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SEARCH_NAME = "Facility Management" # <-- PASSEN SIE DIES AN IHRE GESPEICHERTE SUCHE AN
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CREDENTIALS_FILE = "/app/dealfront_credentials.json"
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OUTPUT_DIR = "/app/output"
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# --- Logging Setup ---
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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.webdriver.remote").setLevel(logging.WARNING)
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logger = logging.getLogger(__name__)
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os.makedirs(Config.OUTPUT_DIR, exist_ok=True)
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log_filepath = os.path.join(Config.OUTPUT_DIR, f"dealfront_run_{time.strftime('%Y%m%d-%H%M%S')}.log")
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file_handler = logging.FileHandler(log_filepath, mode='w', encoding='utf-8')
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file_handler.setFormatter(logging.Formatter(LOG_FORMAT))
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logging.getLogger().addHandler(file_handler)
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class DealfrontScraper:
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def __init__(self):
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logger.info("Initialisiere WebDriver...")
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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=new")
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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=1920,1200")
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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("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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if not self.username or not self.password:
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raise ValueError("Credentials konnten nicht geladen werden. Breche ab.")
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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(Config.CREDENTIALS_FILE, 'r', encoding='utf-8') 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 {Config.CREDENTIALS_FILE} konnte nicht geladen werden: {e}")
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return None, None
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def _save_debug_artifacts(self, suffix=""):
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# (Diese Methode bleibt unverändert)
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pass
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# --- WIEDERHERGESTELLTE METHODEN ---
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def login(self):
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try:
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logger.info(f"Navigiere zur Login-Seite: {Config.LOGIN_URL}")
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self.driver.get(Config.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 5 Sekunden auf Session-Etablierung.")
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time.sleep(5)
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# Einfache Überprüfung, ob wir weitergeleitet wurden
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if "login" not in self.driver.current_url:
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logger.info("Login erfolgreich, URL hat sich geändert.")
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return True
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else:
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# Warten auf ein Dashboard-Element als Fallback
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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("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 die Suche...")
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self.driver.get(Config.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("Suche geladen. Warte auf die Ergebnistabelle.")
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self.wait.until(EC.visibility_of_element_located((By.CSS_SELECTOR, "table#t-result-table tbody tr")))
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return True
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except Exception as e:
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logger.critical("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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# --- METHODE AUS DEM LETZTEN ERFOLGREICHEN VERSUCH ---
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def extract_current_page_results(self):
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try:
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logger.info("Extrahiere Daten von der aktuellen Seite...")
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results = []
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rows_with_data_selector = (By.XPATH, "//table[@id='t-result-table']/tbody/tr[.//a[contains(@class, 't-highlight-text')]]")
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data_rows = self.wait.until(EC.presence_of_all_elements_located(rows_with_data_selector))
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for row in data_rows:
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try:
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name = row.find_element(By.CSS_SELECTOR, ".sticky-column a.t-highlight-text").get_attribute("title").strip()
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website = "N/A"
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try:
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website = row.find_element(By.CSS_SELECTOR, "a.text-gray-400.t-highlight-text").text.strip()
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except NoSuchElementException:
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pass
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results.append({'name': name, 'website': website})
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except NoSuchElementException:
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continue
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return results
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except Exception as e:
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logger.error("Fehler bei der Extraktion.", exc_info=True)
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self._save_debug_artifacts()
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return []
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# --- NEUE METHODE FÜR PAGINIERUNG ---
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def scrape_all_pages(self):
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all_companies = []
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page_number = 1
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while True:
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logger.info(f"--- Verarbeite Seite {page_number} ---")
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# Warten, bis die Tabelle sichtbar ist
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self.wait.until(EC.visibility_of_element_located((By.CSS_SELECTOR, "table#t-result-table")))
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try:
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first_row_id = self.driver.find_element(By.CSS_SELECTOR, "table#t-result-table tbody tr[id]").get_attribute("id")
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except NoSuchElementException:
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logger.info("Keine weiteren Datenzeilen auf der Seite gefunden. Beende Paginierung.")
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break
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page_results = self.extract_current_page_results()
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if not page_results:
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logger.info("Keine Ergebnisse auf dieser Seite extrahiert. Paginierung abgeschlossen.")
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break
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all_companies.extend(page_results)
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logger.info(f"Bisher {len(all_companies)} Firmen insgesamt gefunden.")
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try:
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next_button = self.driver.find_element(By.XPATH, "//a[@class='eb-pagination-button' and .//svg[contains(@class, 'fa-angle-right')]]")
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if "disabled" in next_button.get_attribute("class"):
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logger.info("Letzte Seite erreicht.")
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break
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next_button.click()
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page_number += 1
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# Warten, bis die alte erste Zeile verschwunden ist
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old_first_row = self.driver.find_element(By.ID, first_row_id)
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self.wait.until(EC.staleness_of(old_first_row))
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except NoSuchElementException:
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logger.info("Kein 'Weiter'-Button mehr gefunden. Paginierung abgeschlossen.")
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break
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return all_companies
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def close(self):
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if self.driver:
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self.driver.quit()
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logger.info("WebDriver geschlossen.")
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if __name__ == "__main__":
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scraper = None
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try:
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scraper = DealfrontScraper()
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if not scraper.login(): raise Exception("Login fehlgeschlagen")
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if not scraper.navigate_and_load_search(Config.SEARCH_NAME): raise Exception("Navigation/Suche fehlgeschlagen")
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all_companies = scraper.scrape_all_pages()
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if all_companies:
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df = pd.DataFrame(all_companies)
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output_csv_path = os.path.join(Config.OUTPUT_DIR, f"dealfront_results_{time.strftime('%Y%m%d-%H%M%S')}.csv")
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df.to_csv(output_csv_path, index=False, sep=';', encoding='utf-8-sig')
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logger.info(f"Ergebnisse ({len(df)} Firmen) erfolgreich in '{output_csv_path}' gespeichert.")
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else:
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logger.warning("Keine Firmen konnten extrahiert werden.")
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except Exception as e:
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logger.critical(f"Ein kritischer Fehler ist im Hauptprozess aufgetreten: {e}", exc_info=True)
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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.") |