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browser/cookie_consent_handler.py
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251
browser/cookie_consent_handler.py
Normale Datei
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"""
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Cookie Consent Handler für Browser-Sessions
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Behandelt Cookie-Consent-Seiten bei der Session-Wiederherstellung
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"""
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import logging
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from typing import Optional
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from playwright.sync_api import Page
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logger = logging.getLogger(__name__)
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class CookieConsentHandler:
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"""Behandelt Cookie-Consent-Dialoge verschiedener Plattformen"""
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@staticmethod
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def handle_instagram_consent(page: Page) -> bool:
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"""
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Behandelt Instagram's Cookie-Consent-Seite
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Args:
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page: Playwright Page-Objekt
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Returns:
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bool: True wenn Consent behandelt wurde, False sonst
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"""
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try:
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# Warte kurz auf Seitenladung
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page.wait_for_load_state('networkidle', timeout=5000)
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# Prüfe ob wir auf der Cookie-Consent-Seite sind
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consent_indicators = [
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# Deutsche Texte
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"text=/.*cookies erlauben.*/i",
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"text=/.*optionale cookies ablehnen.*/i",
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"button:has-text('Optionale Cookies ablehnen')",
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"button:has-text('Nur erforderliche Cookies erlauben')",
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# Englische Texte
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"button:has-text('Decline optional cookies')",
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"button:has-text('Only allow essential cookies')",
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# Allgemeine Selektoren
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"[aria-label*='cookie']",
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"text=/.*verwendung von cookies.*/i"
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]
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# Versuche "Optionale Cookies ablehnen" zu klicken (datenschutzfreundlich)
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decline_buttons = [
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"button:has-text('Optionale Cookies ablehnen')",
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"button:has-text('Nur erforderliche Cookies erlauben')",
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"button:has-text('Decline optional cookies')",
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"button:has-text('Only allow essential cookies')"
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]
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for button_selector in decline_buttons:
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try:
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button = page.locator(button_selector).first
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if button.is_visible():
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logger.info(f"Found consent decline button: {button_selector}")
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# Verwende robuste Click-Methoden für Cookie-Consent
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success = False
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try:
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# Strategie 1: Standard Click
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button.click(timeout=5000)
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success = True
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except Exception as click_error:
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logger.warning(f"Standard click fehlgeschlagen: {click_error}")
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# Strategie 2: Force Click
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try:
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button.click(force=True, timeout=5000)
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success = True
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except Exception as force_error:
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logger.warning(f"Force click fehlgeschlagen: {force_error}")
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# Strategie 3: JavaScript Click
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try:
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js_result = page.evaluate(f"""
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() => {{
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const button = document.querySelector('{button_selector}');
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if (button) {{
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button.click();
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return true;
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}}
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return false;
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}}
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""")
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if js_result:
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success = True
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logger.info("JavaScript click erfolgreich für Cookie-Consent")
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except Exception as js_error:
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logger.warning(f"JavaScript click fehlgeschlagen: {js_error}")
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if success:
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logger.info("Clicked decline optional cookies button")
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# Warte auf Navigation
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page.wait_for_load_state('networkidle', timeout=5000)
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# Setze Consent im LocalStorage
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page.evaluate("""
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() => {
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// Instagram Consent Storage für "nur erforderliche Cookies"
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localStorage.setItem('ig_cb', '2'); // 2 = nur erforderliche Cookies
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localStorage.setItem('ig_consent_timestamp', Date.now().toString());
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// Meta Consent
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localStorage.setItem('consent_status', 'essential_only');
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localStorage.setItem('cookie_consent', JSON.stringify({
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necessary: true,
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analytics: false,
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marketing: false,
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timestamp: Date.now()
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}));
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}
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""")
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return True
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else:
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logger.error(f"Alle Click-Strategien für Cookie-Consent Button fehlgeschlagen: {button_selector}")
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continue
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except Exception as e:
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logger.debug(f"Consent check failed for {button_selector}: {e}")
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continue
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# Fallback: Prüfe ob Consent-Seite überhaupt angezeigt wird
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for indicator in consent_indicators:
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try:
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if page.locator(indicator).first.is_visible():
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logger.warning("Cookie consent page detected but couldn't find decline button")
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# Als letzter Ausweg: Akzeptiere alle Cookies
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accept_buttons = [
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"button:has-text('Alle Cookies erlauben')",
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"button:has-text('Allow all cookies')",
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"button:has-text('Accept all')",
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# Spezifischer Instagram-Selektor basierend auf div-role
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"div[role='button']:has-text('Alle Cookies erlauben')",
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# Fallback mit Partial Text
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"[role='button']:has-text('Cookies erlauben')",
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# XPath als letzter Fallback
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"xpath=//div[@role='button' and contains(text(),'Alle Cookies erlauben')]"
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]
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for accept_button in accept_buttons:
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try:
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button = page.locator(accept_button).first
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if button.is_visible():
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logger.info(f"Fallback: Accepting all cookies with {accept_button}")
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# Verwende robuste Click-Methoden
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success = False
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try:
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# Strategie 1: Standard Click
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button.click(timeout=5000)
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success = True
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except Exception as click_error:
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logger.warning(f"Standard click fehlgeschlagen für Accept: {click_error}")
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# Strategie 2: Force Click
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try:
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button.click(force=True, timeout=5000)
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success = True
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except Exception as force_error:
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logger.warning(f"Force click fehlgeschlagen für Accept: {force_error}")
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# Strategie 3: JavaScript Click für div[role='button']
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try:
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# Spezielle Behandlung für div-basierte Buttons
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js_result = page.evaluate("""
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(selector) => {
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const elements = document.querySelectorAll(selector);
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for (const elem of elements) {
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if (elem && elem.textContent && elem.textContent.includes('Cookies erlauben')) {
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elem.click();
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return true;
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}
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}
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// Fallback: Suche nach role='button' mit Text
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const roleButtons = document.querySelectorAll('[role="button"]');
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for (const btn of roleButtons) {
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if (btn && btn.textContent && btn.textContent.includes('Cookies erlauben')) {
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btn.click();
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return true;
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}
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}
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return false;
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}
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""", "[role='button']")
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if js_result:
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success = True
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logger.info("JavaScript click erfolgreich für Cookie Accept Button")
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except Exception as js_error:
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logger.warning(f"JavaScript click fehlgeschlagen für Accept: {js_error}")
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if success:
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page.wait_for_load_state('networkidle', timeout=5000)
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# Setze Consent im LocalStorage für "alle Cookies"
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page.evaluate("""
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() => {
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// Instagram Consent Storage für "alle Cookies"
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localStorage.setItem('ig_cb', '1'); // 1 = alle Cookies akzeptiert
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localStorage.setItem('ig_consent_timestamp', Date.now().toString());
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// Meta Consent
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localStorage.setItem('consent_status', 'all_accepted');
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localStorage.setItem('cookie_consent', JSON.stringify({
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necessary: true,
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analytics: true,
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marketing: true,
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timestamp: Date.now()
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}));
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}
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""")
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return True
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except Exception as e:
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logger.error(f"Fehler bei Accept-Button {accept_button}: {e}")
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continue
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return False
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except:
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continue
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logger.debug("No cookie consent page detected")
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return False
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except Exception as e:
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logger.error(f"Error handling cookie consent: {e}")
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return False
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@staticmethod
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def check_and_handle_consent(page: Page, platform: str = "instagram") -> bool:
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"""
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Prüft und behandelt Cookie-Consent für die angegebene Plattform
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Args:
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page: Playwright Page-Objekt
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platform: Plattform-Name (default: "instagram")
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Returns:
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bool: True wenn Consent behandelt wurde, False sonst
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"""
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if platform.lower() == "instagram":
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return CookieConsentHandler.handle_instagram_consent(page)
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else:
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logger.warning(f"No consent handler implemented for platform: {platform}")
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return False
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