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source/gen_seeds.py

@@ -0,0 +1,62 @@
+import requests
+import json
+import sys
+
+OUTPUT = '/workspace/mega_seeds.txt'
+TARGET = 4_000_000
+
+# Multiple CC index crawls for more coverage
+CC_INDICES = [
+    'CC-MAIN-2024-10',
+    'CC-MAIN-2024-18',
+    'CC-MAIN-2024-22',
+    'CC-MAIN-2024-26',
+    'CC-MAIN-2024-30',
+    'CC-MAIN-2024-33',
+    'CC-MAIN-2024-38',
+    'CC-MAIN-2024-42',
+    'CC-MAIN-2024-46',
+    'CC-MAIN-2024-51',
+    'CC-MAIN-2025-05',
+    'CC-MAIN-2025-08',
+]
+
+QUERIES = [
+    '*.com/*', '*.org/*', '*.net/*', '*.edu/*', '*.gov/*',
+    '*.co.uk/*', '*.io/*', '*.info/*', '*.us/*', '*.ca/*',
+    '*.au/*', '*.de/*', '*.fr/*', '*.nl/*', '*.se/*',
+    '*.ch/*', '*.nz/*', '*.ie/*', '*.in/*', '*.jp/*',
+]
+
+urls = set()
+session = requests.Session()
+session.headers['User-Agent'] = 'Mozilla/5.0'
+
+for idx in CC_INDICES:
+    if len(urls) >= TARGET:
+        break
+    for q in QUERIES:
+        if len(urls) >= TARGET:
+            break
+        api = f'https://index.commoncrawl.org/{idx}-index?url={q}&output=json&limit=15000&fl=url&filter=languages:eng'
+        try:
+            r = session.get(api, timeout=60)
+            if r.status_code != 200:
+                continue
+            for line in r.text.strip().split('\n'):
+                try:
+                    rec = json.loads(line)
+                    u = rec.get('url', '')
+                    if u and u.startswith('http'):
+                        urls.add(u)
+                except:
+                    pass
+            print(f'[{idx}] {q}: {len(urls)} total URLs so far', flush=True)
+        except Exception as e:
+            print(f'[{idx}] {q}: FAILED ({e})', flush=True)
+
+print(f'Writing {len(urls)} URLs to {OUTPUT}...', flush=True)
+with open(OUTPUT, 'w') as f:
+    for u in urls:
+        f.write(u + '\n')
+print(f'Done. {len(urls)} unique URLs saved.', flush=True)