Initial commit
Claude has done a lot of work, but there are still some errors which cause the mails to be distributed to wrong mail boxes. I am now going to let codex and claude compete. They will have their own branches and merge to main as soon as we are somewhere where we can switch AI.
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#!/usr/bin/env python3
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"""
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Interactief script om mailinglijsten te beoordelen.
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h = houden | a = afmelden | s = overslaan | q = stoppen
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Eerste run: scant mailbox en slaat cache op in mailing_lists_cache.json.
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Volgende runs: laadt direct uit cache.
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Beslissingen worden opgeslagen in decisions.json (herstart-safe).
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"""
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import email
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import email.header
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import email.utils
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import re
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import sys
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import tty
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import termios
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import json
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from pathlib import Path
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from collections import defaultdict, Counter
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from datetime import timezone
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MAILBOX_DIR = Path(__file__).parent / "mailbox"
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CACHE_FILE = Path(__file__).parent / "mailing_lists_cache.json"
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DECISIONS_FILE = Path(__file__).parent / "decisions.json"
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# Domeinen die door meerdere afzenders worden gedeeld → groeperen op naam, niet domein
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MULTITENANT_DOMAINS = {
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"substack.com", "mcsv.net", "list-manage.com",
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"sparkpostmail.com", "eu.sparkpostmail.com",
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"convertkit-mail.com", "convertkit-mail2.com", "convertkit-mail4.com",
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"sendgrid.net", "mailgun.org", "dripemail.com", "dripemail3.com",
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"mailchimpapp.net", "rsgsv.net",
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}
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MIN_COUNT = 3 # lijsten met minder dan dit aantal mails worden overgeslagen
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# ── helpers ──────────────────────────────────────────────────────────────────
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def decode_hdr(value) -> str:
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if not value:
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return ""
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try:
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parts = email.header.decode_header(value)
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out = []
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for raw, cs in parts:
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if isinstance(raw, bytes):
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out.append(raw.decode(cs or "utf-8", errors="replace"))
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else:
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out.append(str(raw))
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return " ".join(out).strip()
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except Exception:
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return str(value or "")
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def parse_dt(s):
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if not s:
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return None
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try:
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return email.utils.parsedate_to_datetime(s)
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except Exception:
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return None
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def to_utc_ts(d) -> float | None:
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if d is None:
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return None
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if d.tzinfo is None:
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d = d.replace(tzinfo=timezone.utc)
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return d.timestamp()
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_EMAIL_SUBDOMAINS = re.compile(
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r"^(email|mail|e|m|news|newsletter|noreply|no-reply|lists?|"
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r"mailing|bounce|notifications?|updates?|info|reply|send|smtp|"
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r"mg|sg|em|learn|go|click|edm|cdn|app|get)\.",
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re.I,
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)
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def sender_domain(from_addr: str) -> str:
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m = re.search(r"@([\w.\-]+)", from_addr)
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if not m:
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return "onbekend"
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domain = m.group(1).lower()
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# Strip bekende e-mail-subdomeinen zodat bijv. email.coursera.org → coursera.org
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parts = domain.split(".")
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while len(parts) > 2 and _EMAIL_SUBDOMAINS.match(parts[0] + "."):
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parts = parts[1:]
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return ".".join(parts)
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def display_name(from_addr: str) -> str:
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"""Haal leesbare naam op; val terug op domein."""
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m = re.match(r'^"?([^"<@\n]{3,})"?\s*<', from_addr)
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if m:
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name = m.group(1).strip().strip('"').strip()
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if len(name) > 2:
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return name
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return sender_domain(from_addr)
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def normalize_name(name: str) -> str:
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"""Normaliseer naam voor groepering (lowercase, alleen woorden)."""
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return " ".join(re.findall(r"[a-z0-9]+", name.lower()))
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def fmt_date(ts: float | None) -> str:
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if ts is None:
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return "?"
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from datetime import datetime
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return datetime.utcfromtimestamp(ts).strftime("%Y-%m-%d")
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def getch() -> str:
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fd = sys.stdin.fileno()
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old = termios.tcgetattr(fd)
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try:
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tty.setraw(fd)
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return sys.stdin.read(1)
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finally:
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termios.tcsetattr(fd, termios.TCSADRAIN, old)
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# ── cache bouwen ─────────────────────────────────────────────────────────────
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def build_cache() -> list[dict]:
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"""
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Scan mailbox headers en groepeer op weergavenaam.
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Elke entry in de cache is één logische mailinglijst.
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"""
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eml_files = list(MAILBOX_DIR.rglob("*.eml"))
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total = len(eml_files)
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print(f"Scannen van {total} e-mails (alleen headers)...", flush=True)
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# Per weergavenaam (genormaliseerd) verzamelen we alle info
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by_name: dict[str, dict] = defaultdict(lambda: {
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"names": [], # alle aangetroffen weergavenamen
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"domains": [], # alle aangetroffen domeinen
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"unsubscribe": [], # List-Unsubscribe waarden
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"count": 0,
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"timestamps": [], # als float (UTC)
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"subjects": [],
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"folders": [],
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})
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for i, path in enumerate(eml_files, 1):
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if i % 2000 == 0:
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print(f" {i}/{total}...", flush=True)
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try:
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with open(path, "rb") as f:
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chunk = f.read(8192)
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msg = email.message_from_bytes(chunk)
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except Exception:
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continue
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from_raw = decode_hdr(msg.get("From", ""))
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subject = decode_hdr(msg.get("Subject", ""))
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date = parse_dt(msg.get("Date"))
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list_id = (msg.get("List-ID") or "").strip()
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list_us = (msg.get("List-Unsubscribe") or "").strip()
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prec = (msg.get("Precedence") or "").lower()
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folder = path.parent.name
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is_ml = bool(
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list_id or list_us
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or prec in ("bulk", "list")
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or "mailinglist" in folder.lower()
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)
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if not is_ml:
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continue
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name = display_name(from_raw)
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domain = sender_domain(from_raw)
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# Multi-tenant domeinen: groepeer op genormaliseerde naam
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# Gewone domeinen: groepeer op domein (voorkomt splits zoals "LinkedIn" vs "LinkedIn Job Alerts")
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if domain in MULTITENANT_DOMAINS:
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key = normalize_name(name) or domain
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else:
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key = domain
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e = by_name[key]
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e["names"].append(name)
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e["domains"].append(domain)
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e["count"] += 1
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e["folders"].append(folder)
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ts = to_utc_ts(date)
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if ts:
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e["timestamps"].append(ts)
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if len(e["subjects"]) < 3:
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e["subjects"].append(subject)
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if list_us and list_us not in e["unsubscribe"]:
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e["unsubscribe"].append(list_us)
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print(f" {total}/{total} klaar.\n")
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# Omzetten naar gesorteerde lijst met mooie namen
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result = []
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for key, e in by_name.items():
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best_name = Counter(e["names"]).most_common(1)[0][0]
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best_domain = Counter(e["domains"]).most_common(1)[0][0]
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best_folder = Counter(e["folders"]).most_common(1)[0][0]
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ts_sorted = sorted(e["timestamps"])
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result.append({
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"key": key,
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"name": best_name,
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"domain": best_domain,
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"folder": best_folder,
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"count": e["count"],
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"oldest": ts_sorted[0] if ts_sorted else None,
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"newest": ts_sorted[-1] if ts_sorted else None,
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"subjects": e["subjects"],
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"unsubscribe": e["unsubscribe"],
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"domains": list(set(e["domains"])),
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})
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result.sort(key=lambda x: -x["count"])
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result = [e for e in result if e["count"] >= MIN_COUNT]
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CACHE_FILE.write_text(
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json.dumps(result, indent=2, ensure_ascii=False), encoding="utf-8"
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)
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print(f"{len(result)} unieke mailinglijsten opgeslagen in cache.\n")
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return result
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def load_cache() -> list[dict]:
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return json.loads(CACHE_FILE.read_text(encoding="utf-8"))
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# ── beslissingen ─────────────────────────────────────────────────────────────
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def load_decisions() -> dict:
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if not DECISIONS_FILE.exists():
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return {}
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try:
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data = json.loads(DECISIONS_FILE.read_text(encoding="utf-8"))
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return {k: (v["keuze"] if isinstance(v, dict) else v) for k, v in data.items()}
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except Exception:
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return {}
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def save_decisions(decisions: dict, lists: list[dict]):
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by_key = {e["key"]: e for e in lists}
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output = {}
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for key, keuze in decisions.items():
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e = by_key.get(key, {})
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output[key] = {
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"keuze": keuze,
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"naam": e.get("name", key),
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"count": e.get("count", 0),
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"domains": e.get("domains", []),
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"unsubscribe": e.get("unsubscribe", []),
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}
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DECISIONS_FILE.write_text(
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json.dumps(output, indent=2, ensure_ascii=False), encoding="utf-8"
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)
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# ── interactieve review ───────────────────────────────────────────────────────
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KEYS = {"h", "a", "s", "q"}
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LABELS = {
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"h": ("houden", "\033[32m"),
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"a": ("afmelden", "\033[31m"),
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"s": ("overslaan", "\033[33m"),
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}
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def run_review(lists: list[dict], decisions: dict):
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total = len(lists)
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remaining = [e for e in lists if e["key"] not in decisions]
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print(f"{'─'*64}")
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print(f" Totaal: {total} | Al beoordeeld: {len(decisions)} | Te gaan: {len(remaining)}")
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print(f" \033[32mh\033[0m houden \033[31ma\033[0m afmelden \033[33ms\033[0m overslaan \033[90mq\033[0m stoppen")
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print(f"{'─'*64}\n")
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done = sum(1 for e in lists if e["key"] in decisions)
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for entry in remaining:
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unsub = "✓ beschikbaar" if entry["unsubscribe"] else "✗ handmatig opzoeken"
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domains_str = ", ".join(entry["domains"][:3])
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if len(entry["domains"]) > 3:
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domains_str += f" (+{len(entry['domains'])-3})"
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print(f"\033[1m[{done+1}/{total}] {entry['name']}\033[0m")
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print(f" \033[90mmails :\033[0m {entry['count']} "
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f"({fmt_date(entry['oldest'])} – {fmt_date(entry['newest'])})")
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print(f" \033[90mdomein :\033[0m {domains_str}")
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print(f" \033[90mmap :\033[0m {entry['folder']}")
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print(f" \033[90mafmeld :\033[0m {unsub}")
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if entry["subjects"]:
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print(f" \033[90mvoorbeeld:\033[0m {entry['subjects'][0][:68]}")
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print()
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print(" > ", end="", flush=True)
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ch = ""
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while ch not in KEYS:
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ch = getch().lower()
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if ch == "q":
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print("\n\nGestopt. Voortgang opgeslagen.\n")
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save_decisions(decisions, lists)
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print_summary(decisions)
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return
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label, color = LABELS[ch]
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print(f"{color}{label}\033[0m\n")
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decisions[entry["key"]] = ch
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done += 1
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save_decisions(decisions, lists)
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print(f"{'─'*64}")
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print(f"Klaar! Alle {total} lijsten beoordeeld.")
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save_decisions(decisions, lists)
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print_summary(decisions)
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def print_summary(decisions: dict):
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a = sum(1 for c in decisions.values() if c == "a")
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h = sum(1 for c in decisions.values() if c == "h")
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s = sum(1 for c in decisions.values() if c == "s")
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print(f"\n Afmelden : {a}")
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print(f" Houden : {h}")
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print(f" Overgeslagen: {s}")
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print(f"\nOpgeslagen in: {DECISIONS_FILE}")
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if a:
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print("Draai daarna: python3 unsubscribe.py")
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# ── main ──────────────────────────────────────────────────────────────────────
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if __name__ == "__main__":
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if CACHE_FILE.exists():
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print(f"Cache gevonden, laden...\n")
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lists = load_cache()
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else:
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lists = build_cache()
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decisions = load_decisions()
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if decisions:
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active_keys = {e["key"] for e in lists}
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active = {k: v for k, v in decisions.items() if k in active_keys}
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a = sum(1 for c in active.values() if c == "a")
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h = sum(1 for c in active.values() if c == "h")
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s = sum(1 for c in active.values() if c == "s")
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stale = len(decisions) - len(active)
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msg = f"Vorige sessie: {a} afmelden, {h} houden, {s} overgeslagen"
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if stale:
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msg += f" ({stale} verouderde beslissingen genegeerd)"
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print(msg + ".\n")
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run_review(lists, decisions)
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Reference in New Issue
Block a user