web wartcher

.local/bin/webwatcher.py

@@ -1,129 +1,40 @@
 #!/usr/bin/env python3
-import argparse, hashlib, json, os, re, sys, time, subprocess
+import os, re, json, subprocess
-from urllib.request import Request, urlopen
+from urllib.request import urlopen, Request
-from urllib.error import URLError, HTTPError
 
+URL = "https://shop.nwnprod.com"  # page to watch
+STATE = os.path.expanduser("~/.local/state/webwatch_beherit.json")
 
-def notify(summary, body, urgency="critical"):
+USER_AGENT = "Mozilla/5.0 (X11; Linux x86_64; rv:128.0) " "Gecko/20100101 Firefox/128.0"
-    cmd = ["notify-send", "-u", urgency, summary, body]
-    try:
-        subprocess.run(cmd, check=False)
-    except Exception:
-        pass  # don't crash on notification issues
 
+# --- fetch html ---
+req = Request(URL, headers={"User-Agent": USER_AGENT})
+html = urlopen(req, timeout=15).read().decode("utf-8", "ignore")
 
-def ensure_dirs():
+# --- find product IDs and titles that contain 'Beherit' ---
-    state_dir = os.path.expanduser("~/.local/state/webwatcher")
+pattern = re.compile(
-    os.makedirs(state_dir, exist_ok=True)
+    r"product_id=(\d+)[^>]*>([^<]*Beherit[^<]*)</a>", re.IGNORECASE | re.DOTALL
-    return state_dir
-
-
-def state_paths(url):
-    state_dir = ensure_dirs()
-    uhash = hashlib.sha256(url.encode("utf-8")).hexdigest()[:16]
-    state_file = os.path.join(state_dir, f"{uhash}.json")
-    log_file = os.path.join(state_dir, "webwatcher.log")
-    return state_file, log_file
-
-
-def load_state(path):
-    if os.path.exists(path):
-        try:
-            with open(path, "r") as f:
-                return json.load(f)
-        except Exception:
-            pass
-    return {"seen": []}
-
-
-def save_state(path, state):
-    # keep the seen set bounded
-    if len(state.get("seen", [])) > 2000:
-        state["seen"] = state["seen"][-1000:]
-    tmp = path + ".tmp"
-    with open(tmp, "w") as f:
-        json.dump(state, f)
-    os.replace(tmp, path)
-
-
-def log_line(path, msg):
-    ts = time.strftime("%Y-%m-%d %H:%M:%S")
-    with open(path, "a") as f:
-        f.write(f"[{ts}] {msg}\n")
-
-
-def fetch(url, timeout):
-    req = Request(url, headers={"User-Agent": "webwatcher/1.0"})
-    with urlopen(req, timeout=timeout) as r:
-        return r.read().decode("utf-8", errors="replace")
-
-
-def main():
-    p = argparse.ArgumentParser(
-        description="Scan a webpage for a regex, notify on new matches, and log."
 )
-    p.add_argument("--url", required=True, help="URL to scan")
+products = {
-    p.add_argument("--pattern", required=True, help="Regex to search for")
+    pid: re.sub(r"\s+", " ", title).strip() for pid, title in pattern.findall(html)
-    p.add_argument("--flags", default="", help="Regex flags: i,m,s (any combo)")
+}
-    p.add_argument("--timeout", type=int, default=15)
-    args = p.parse_args()
 
-    flags = 0
+# --- load previous seen IDs ---
-    if "i" in args.flags.lower():
+seen = set()
-        flags |= re.IGNORECASE
+if os.path.exists(STATE):
-    if "m" in args.flags.lower():
+    with open(STATE) as f:
-        flags |= re.MULTILINE
+        seen = set(json.load(f))
-    if "s" in args.flags.lower():
-        flags |= re.DOTALL
 
-    state_file, log_file = state_paths(args.url)
+# --- notify for new Beherit items ---
-    state = load_state(state_file)
+new = [(pid, title) for pid, title in products.items() if pid not in seen]
-    seen = set(state.get("seen", []))
+for pid, title in new:
-
+    subprocess.run(
-    try:
+        ["notify-send", "-u", "critical", "-t", "0", "Beherit Alert", title],
-        html = fetch(args.url, args.timeout)
+        check=False,
-    except HTTPError as e:
+    )
-        log_line(log_file, f"ERROR fetch {args.url}: HTTP {e.code}")
+    print(f"New Beherit item: {title}")
-        sys.exit(1)
-    except URLError as e:
-        log_line(log_file, f"ERROR fetch {args.url}: {e}")
-        sys.exit(2)
-    except Exception as e:
-        log_line(log_file, f"ERROR fetch {args.url}: {e}")
-        sys.exit(3)
-
-    try:
-        # Capture surrounding context so multiple "Beherit" items are treated separately
-        context_window = 120  # number of characters around each match to include
-        unique = set()
-
-        for match in re.finditer(args.pattern, html, flags):
-            start = max(match.start() - context_window, 0)
-            end = min(match.end() + context_window, len(html))
-            snippet = html[start:end].replace("\n", " ")
-            unique.add(snippet.strip())
-
-    except re.error as e:
-        log_line(log_file, f"ERROR regex '{args.pattern}': {e}")
-        sys.exit(4)
-
-    new = [m for m in unique if m not in seen]
 
+# --- update state file ---
 if new:
-        for m in sorted(new):
+    with open(STATE, "w") as f:
-            preview = (m[:250] + "…") if len(m) > 250 else m
+        json.dump(sorted(products.keys()), f)
-            notify(
-                "Web Watcher: new match",
-                preview,
-                urgency="critical",
-            )
-            log_line(log_file, f"NEW match url={args.url} match={preview}")
-            seen.add(m)
-        state["seen"] = list(seen)
-        save_state(state_file, state)
-    else:
-        log_line(log_file, f"OK no new matches url={args.url} (found={len(unique)})")
-
-
-if __name__ == "__main__":
-    main()