281 lines
9.8 KiB
Python
281 lines
9.8 KiB
Python
import logging
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import re
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import time
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from pathlib import Path
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from playwright.sync_api import sync_playwright, Page, Browser
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from playwright_stealth import Stealth
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from config import Config
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logger = logging.getLogger(__name__)
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BASE_URL = "https://secure.backblaze.com"
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BILLING_URL = f"{BASE_URL}/billing.htm"
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CLOUDFLARE_WAIT_MAX = 60
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CLOUDFLARE_POLL_INTERVAL = 2
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def _wait_for_cloudflare(page: Page) -> None:
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elapsed = 0
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while elapsed < CLOUDFLARE_WAIT_MAX:
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title = page.title()
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if "Just a moment" not in title:
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return
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logger.debug("Waiting for Cloudflare challenge... (%ds)", elapsed)
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time.sleep(CLOUDFLARE_POLL_INTERVAL)
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elapsed += CLOUDFLARE_POLL_INTERVAL
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raise RuntimeError(
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"Cloudflare challenge did not resolve after %ds. "
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"Try running with --no-headless so you can solve it manually, "
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"or set BROWSER_HEADLESS=false in .env" % CLOUDFLARE_WAIT_MAX
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)
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def _goto_with_retry(page: Page, url: str, retries: int = 3) -> None:
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for attempt in range(1, retries + 1):
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try:
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page.goto(url, wait_until="domcontentloaded")
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_wait_for_cloudflare(page)
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return
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except RuntimeError:
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raise
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except Exception as e:
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logger.warning("Navigation attempt %d/%d failed for %s: %s", attempt, retries, url, e)
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if attempt == retries:
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raise
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time.sleep(2 * attempt)
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def login(page: Page) -> None:
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logger.info("Logging in to Backblaze...")
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_goto_with_retry(page, f"{BASE_URL}/user_signin.htm")
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page.wait_for_selector("#email", timeout=30000)
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page.fill("#email", Config.BACKBLAZE_EMAIL)
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page.fill("#password", Config.BACKBLAZE_PASSWORD)
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page.click("#submitButton")
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page.wait_for_load_state("domcontentloaded")
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time.sleep(2)
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if "user_signin" in page.url:
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raise RuntimeError("Login failed - check credentials")
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logger.info("Login successful")
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def get_group_options(page: Page) -> list[dict]:
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_goto_with_retry(page, BILLING_URL)
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group_select = page.locator("select#groupSelection")
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if group_select.count() == 0:
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return [{"value": "", "label": "default"}]
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options = group_select.locator("option").all()
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groups = []
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for opt in options:
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val = opt.get_attribute("value") or ""
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label = opt.inner_text().strip()
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if val or label:
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groups.append({"value": val, "label": label})
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return groups if groups else [{"value": "", "label": "default"}]
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def get_year_options(page: Page) -> list[str]:
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page.wait_for_load_state("domcontentloaded")
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year_select = page.locator("select#yearSelection")
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if year_select.count() == 0:
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return []
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options = year_select.locator("option").all()
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return [opt.get_attribute("value") or opt.inner_text().strip() for opt in options]
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def get_invoice_links(page: Page) -> list[dict]:
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links = []
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rows = page.locator("table.billing-table tbody tr, table#billingTable tbody tr, table tbody tr").all()
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for row in rows:
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anchors = row.locator("a[href*='billing_invoice'], a[href*='invoice']").all()
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for anchor in anchors:
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href = anchor.get_attribute("href") or ""
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text = anchor.inner_text().strip()
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if href:
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if not href.startswith("http"):
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href = f"{BASE_URL}/{href.lstrip('/')}"
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links.append({"url": href, "label": text})
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if not links:
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all_anchors = page.locator("a[href*='invoice']").all()
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for anchor in all_anchors:
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href = anchor.get_attribute("href") or ""
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text = anchor.inner_text().strip()
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if href and "invoice" in href.lower():
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if not href.startswith("http"):
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href = f"{BASE_URL}/{href.lstrip('/')}"
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links.append({"url": href, "label": text})
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return links
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def fill_invoice_fields(page: Page) -> None:
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fields = {
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"vatId": Config.INVOICE_VAT_ID,
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"documentType": Config.INVOICE_DOCUMENT_TYPE,
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"company": Config.INVOICE_COMPANY,
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"notes": Config.INVOICE_NOTES,
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}
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for field_id, value in fields.items():
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if not value:
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continue
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for selector in [
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f"#{field_id}",
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f"input[name='{field_id}']",
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f"textarea[name='{field_id}']",
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f"select[name='{field_id}']",
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f"input[id*='{field_id}' i]",
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f"textarea[id*='{field_id}' i]",
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f"select[id*='{field_id}' i]",
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f"input[name*='{field_id}' i]",
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f"textarea[name*='{field_id}' i]",
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f"select[name*='{field_id}' i]",
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]:
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el = page.locator(selector).first
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if el.count() > 0:
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tag = el.evaluate("el => el.tagName.toLowerCase()")
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if tag == "select":
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el.select_option(label=value)
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else:
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el.fill(value)
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logger.info("Filled field %s", field_id)
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break
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for label_text, value in [
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("VAT", Config.INVOICE_VAT_ID),
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("Tax", Config.INVOICE_VAT_ID),
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("Document Type", Config.INVOICE_DOCUMENT_TYPE),
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("Type", Config.INVOICE_DOCUMENT_TYPE),
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("Company", Config.INVOICE_COMPANY),
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("Notes", Config.INVOICE_NOTES),
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("Note", Config.INVOICE_NOTES),
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]:
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if not value:
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continue
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labels = page.locator(f"label:has-text('{label_text}')").all()
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for label in labels:
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for_attr = label.get_attribute("for")
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if for_attr:
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target = page.locator(f"#{for_attr}")
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if target.count() > 0:
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tag = target.evaluate("el => el.tagName.toLowerCase()")
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if tag == "select":
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target.select_option(label=value)
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else:
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target.fill(value)
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logger.info("Filled labeled field '%s' -> #%s", label_text, for_attr)
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break
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def sanitize_filename(name: str) -> str:
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name = re.sub(r'[<>:"/\\|?*]', '_', name)
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name = re.sub(r'\s+', '_', name)
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return name.strip('_')
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def export_invoice_pdf(page: Page, invoice_url: str, output_path: Path) -> Path:
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_goto_with_retry(page, invoice_url)
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time.sleep(1)
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fill_invoice_fields(page)
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time.sleep(0.5)
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page.pdf(path=str(output_path), format="A4", print_background=True)
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logger.info("Saved: %s", output_path)
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return output_path
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def download_all_invoices() -> list[Path]:
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Config.validate()
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output_dir = Path(Config.OUTPUT_DIR)
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output_dir.mkdir(parents=True, exist_ok=True)
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saved = []
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stealth = Stealth()
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with sync_playwright() as p:
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browser = p.chromium.launch(
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headless=Config.BROWSER_HEADLESS,
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args=["--disable-blink-features=AutomationControlled"],
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)
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context = browser.new_context()
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stealth.apply_stealth_sync(context)
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page = context.new_page()
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page.set_default_timeout(Config.BROWSER_TIMEOUT)
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login(page)
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_goto_with_retry(page, BILLING_URL)
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groups = get_group_options(page)
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logger.info("Found %d group(s): %s", len(groups), [g["label"] for g in groups])
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for group in groups:
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group_label = sanitize_filename(group["label"])
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group_dir = output_dir / group_label if len(groups) > 1 else output_dir
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if group["value"]:
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_goto_with_retry(page, BILLING_URL)
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group_select = page.locator("select#groupSelection")
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if group_select.count() > 0:
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group_select.select_option(value=group["value"])
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page.wait_for_load_state("domcontentloaded")
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time.sleep(1)
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years = get_year_options(page)
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if not years:
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years = ["all"]
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logger.info("Group '%s' - years: %s", group["label"], years)
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for year in years:
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year_dir = group_dir / year if year != "all" else group_dir
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if year != "all":
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year_select = page.locator("select#yearSelection")
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if year_select.count() > 0:
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year_select.select_option(value=year)
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page.wait_for_load_state("domcontentloaded")
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time.sleep(1)
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invoices = get_invoice_links(page)
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logger.info(
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"Group '%s', Year '%s' - found %d invoice(s)",
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group["label"], year, len(invoices),
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)
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if not invoices:
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continue
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year_dir.mkdir(parents=True, exist_ok=True)
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for idx, invoice in enumerate(invoices):
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label = sanitize_filename(invoice["label"]) or f"invoice_{idx + 1}"
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pdf_path = year_dir / f"{label}.pdf"
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if pdf_path.exists():
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logger.info("Skipping (exists): %s", pdf_path)
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saved.append(pdf_path)
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continue
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try:
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saved.append(export_invoice_pdf(page, invoice["url"], pdf_path))
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except Exception:
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logger.exception("Failed to export: %s", invoice["url"])
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if year != "all":
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_goto_with_retry(page, BILLING_URL)
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if group["value"]:
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group_select = page.locator("select#groupSelection")
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if group_select.count() > 0:
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group_select.select_option(value=group["value"])
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page.wait_for_load_state("domcontentloaded")
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time.sleep(1)
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browser.close()
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return saved
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