notebook vb

2026-03-25 17:32:12 +01:00
parent 5674de1247
commit 82719baba8
7 changed files with 1086 additions and 0 deletions
@@ -0,0 +1,185 @@
+import subprocess
+import os
+from pathlib import Path
+from datetime import datetime
+import zipfile
+import time
+import traceback
+
+from EmailMessagingGraph import send_mail
+
+# ============================================================
+# CONFIG
+# ============================================================
+
+GBAK      = r"C:\Program Files\Firebird\Firebird_2_5_CGM\bin\gbak.exe"
+FB_USER   = "SYSDBA"
+FB_PASS   = "masterkey"
+FB_PORT   = "3050"
+
+MAIN_DB   = r"localhost/3050:C:\medicus 3\data\MEDICUS.FDB"
+EXT_DIR   = Path(r"U:\externi")
+BACKUP_DIR = Path(r"U:\medicusbackup")
+
+MAIL_TO   = "vladimir.buzalka@buzalka.cz"
+
+CHUNK     = 8 * 1024 * 1024  # 8 MB
+
+
+# ============================================================
+# HELPERS
+# ============================================================
+
+def gbak_and_zip(label: str, db_conn: str, fbk: Path, zipf: Path, log: Path) -> dict:
+    """
+    Run gbak backup and ZIP the result.
+    Returns a result dict.
+    """
+    result = {
+        "label":    label,
+        "ok":       False,
+        "fbk_size": 0,
+        "zip_size": 0,
+        "t_gbak":   0,
+        "t_zip":    0,
+        "error":    None,
+    }
+
+    # 1) GBAK
+    print(f"GBAK: {label} ... ", end="", flush=True)
+    t0 = time.time()
+    cmd = [GBAK, "-b", "-user", FB_USER, "-pas", FB_PASS, db_conn, str(fbk), "-v"]
+    with open(log, "w", encoding="utf-8") as f:
+        subprocess.run(cmd, stdout=f, stderr=subprocess.STDOUT, check=True)
+    result["t_gbak"] = time.time() - t0
+    result["fbk_size"] = fbk.stat().st_size
+    print(f"OK ({result['t_gbak']:.0f}s, {result['fbk_size']/1024/1024:.1f} MB)")
+
+    # 2) ZIP
+    t1 = time.time()
+    processed = 0
+    fbk_size = result["fbk_size"]
+    with zipfile.ZipFile(zipf, "w", compression=zipfile.ZIP_DEFLATED, compresslevel=9) as zf:
+        zi = zipfile.ZipInfo(fbk.name)
+        zi.compress_type = zipfile.ZIP_DEFLATED
+        with zf.open(zi, "w", force_zip64=True) as z:
+            with open(fbk, "rb") as src:
+                while buf := src.read(CHUNK):
+                    z.write(buf)
+                    processed += len(buf)
+                    pct = processed * 100 / fbk_size
+                    print(f"\r  ZIP {label}: {pct:6.2f}%", end="", flush=True)
+    print()
+    result["t_zip"] = time.time() - t1
+    result["zip_size"] = zipf.stat().st_size
+
+    # 3) Delete FBK + LOG
+    fbk.unlink()
+    log.unlink()
+
+    result["ok"] = True
+    return result
+
+
+def format_result(r: dict) -> str:
+    ratio = 100 * (1 - r["zip_size"] / r["fbk_size"]) if r["fbk_size"] else 0
+    return (
+        f"  {r['label']}: "
+        f"FBK {r['fbk_size']/1024/1024:.1f} MB → "
+        f"ZIP {r['zip_size']/1024/1024:.1f} MB "
+        f"({ratio:.0f}% komprese, "
+        f"gbak {r['t_gbak']:.0f}s, zip {r['t_zip']:.0f}s)"
+    )
+
+
+# ============================================================
+# MAIN
+# ============================================================
+
+def main():
+    BACKUP_DIR.mkdir(parents=True, exist_ok=True)
+    now = datetime.now()
+    ts = now.strftime("%Y-%m-%d_%H-%M-%S")
+
+    backed_up = []
+    errors = []
+
+    # ----------------------------------------------------------
+    # 1) Hlavní DB – MEDICUS.FDB
+    # ----------------------------------------------------------
+    fbk  = BACKUP_DIR / f"MEDICUS_{ts}.fbk"
+    zipf = BACKUP_DIR / f"MEDICUS_{ts}.zip"
+    log  = BACKUP_DIR / f"MEDICUS_{ts}.log"
+    try:
+        r = gbak_and_zip("MEDICUS", MAIN_DB, fbk, zipf, log)
+        backed_up.append(r)
+    except Exception:
+        errors.append({"label": "MEDICUS", "error": traceback.format_exc()})
+        for f in (fbk, log):
+            if f.exists():
+                f.unlink()
+
+    # ----------------------------------------------------------
+    # 2) Externí DB – MEDICUS_FILES_*.fdb
+    # ----------------------------------------------------------
+    fdb_all = sorted(
+        set(EXT_DIR.glob("MEDICUS_FILES_*.fdb")) | set(EXT_DIR.glob("MEDICUS_FILES_*.FDB")),
+        key=lambda p: p.name.lower(),
+    )
+
+    for fdb in fdb_all:
+        name = fdb.stem
+        fbk  = BACKUP_DIR / f"{name}_{ts}.fbk"
+        zipf = BACKUP_DIR / f"{name}_{ts}.zip"
+        log  = BACKUP_DIR / f"{name}_{ts}.log"
+        db_conn = f"localhost/{FB_PORT}:{fdb}"
+        try:
+            r = gbak_and_zip(name, db_conn, fbk, zipf, log)
+            backed_up.append(r)
+        except Exception:
+            errors.append({"label": name, "error": traceback.format_exc()})
+            for f in (fbk, log):
+                if f.exists():
+                    f.unlink()
+
+    # ----------------------------------------------------------
+    # Report
+    # ----------------------------------------------------------
+    total = 1 + len(fdb_all)
+    report = [
+        f"Backup Medicus – {now.strftime('%d.%m.%Y %H:%M')}",
+        f"Celkem DB: {total}  |  OK: {len(backed_up)}  |  Chyby: {len(errors)}",
+        f"Výstupní adresář: {BACKUP_DIR}",
+        "",
+    ]
+
+    if backed_up:
+        report.append("--- Zálohováno ---")
+        total_zip = sum(r["zip_size"] for r in backed_up)
+        for r in backed_up:
+            report.append(format_result(r))
+        report.append(f"  Celková velikost ZIP: {total_zip/1024/1024:.1f} MB")
+        report.append("")
+
+    if errors:
+        report.append("--- CHYBY ---")
+        for e in errors:
+            report.append(f"  {e['label']}:\n{e['error']}")
+        report.append("")
+
+    has_errors = bool(errors)
+    subject = (
+        f"{'X' if has_errors else 'OK'} MEDICUS backup "
+        f"{len(backed_up)}/{total}"
+        + (f" – {len(errors)} chyb" if has_errors else "")
+    )
+
+    send_mail(MAIL_TO, subject, "\n".join(report))
+    print("\n" + "\n".join(report))
+
+    if errors:
+        raise RuntimeError(f"{len(errors)} backup(s) failed")
+
+
+if __name__ == "__main__":
+    main()