IDK :) userman or smt.. and inital commit

db.py

@@ -0,0 +1,75 @@
+import subprocess
+import tarfile
+import os
+
+from config import load_config, CONFIG_FILE, get_repos
+
+DB_PATH = os.path.expanduser(load_config()["db_path"])
+
+def get_package_meta(pkgname: str) -> dict | None:
+    for dbfile in os.listdir(DB_PATH):
+        if not dbfile.endwith(".db"):
+            continue
+        meta = _search_db(os.path.join(DB_PATH, dbfile), pkgname)
+        if meta:
+            return meta
+    return None
+
+def _search_db(dbfile: str, pkgname: str) -> dict | None:
+    with tarfile.open(dbfile, "r:gz") as tar:
+        for member in tar.getmembers():
+            parts = member.name.split("/")
+            if len(parts) != 2 or parts[1] != "desc":
+                continue
+            entry_name = parts[0].rsplit("-", 2)[0]
+            if entry_name != pkgname:
+                continue
+            f = tar.extractfile(member)
+            if f:
+                return _parse_desc(f.read().decode("utf-8"))
+
+def _parse_desc(content: str) -> dict | None:
+    meta = {}
+    lines = content.strip().split("\n")
+    i = 0
+    while i < len(lines):
+        if lines[i].startswith("%") and lines[i].endswith("%"):
+            key = lines[i].strip("%").lower()
+            i += 1
+            values = []
+            while i < len(lines) and lines[i] != "":
+                values.append(lines[i])
+                i += 1
+            meta[key] = values[0] if len(values) == 1 else values
+        i += 1
+    return meta
+
+def ensure_db():
+    sync_dir = load_config()["db_path"] / "sync"
+
+    if not sync_dir.exists() or not any(sync_dir.glob("*.db")):
+        print(":: First run detected, syncing databases...")
+        _sync_db()
+
+def _sync_db():
+    sync_dir = load_config()["db_path"] / "sync"
+    sync_dir.mkdir(parents=True, exist_ok=True)
+
+
+    for repo_name, server in get_repos().items():
+        url = resolve_server_url(server, repo_name)
+        db_url = f"{url}/{repo_name}.db"
+        dest = sync_dir / f"{repo_name}.db"
+
+        print(f":: Syncing {repo_name}...")
+        try:
+            subprocess.run(["curl", "-L", "-o", str(dest), db_url], check=True)
+        except subprocess.CalledProcessError as e:
+            print(f":: Probobly failed to find repo '{repo_name}' at {db_url}")
+
+def resolve_server_url(template: str, repo: str, arch: str = load_config()["arch"]) -> str:
+    return (template
+        .replace("$repo", repo)
+        .replace("$arch", arch)
+        .replace("${repo}", repo)
+        .replace("${arch}", arch))