tw22

Backup/24 zip_fbk_and_notify.py

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+import subprocess
+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"
+DB = r"localhost/3050:Z:\Medicus 3\data\MEDICUS.FDB"
+BACKUP_DIR = Path(r"D:\medicusbackup")
+
+FB_USER = "SYSDBA"
+FB_PASS = "masterkey"
+
+MAIL_TO = "vladimir.buzalka@buzalka.cz"
+
+CHUNK = 8 * 1024 * 1024  # 8 MB
+
+
+# ============================================================
+# MAIN
+# ============================================================
+
+def main():
+    BACKUP_DIR.mkdir(parents=True, exist_ok=True)
+
+    now = datetime.now()
+    ts = now.strftime("%Y-%m-%d_%H-%M-%S")
+
+    fbk = BACKUP_DIR / f"MEDICUS_{ts}.fbk"
+    zipf = fbk.with_suffix(".zip")
+    log = BACKUP_DIR / f"MEDICUS_{ts}.log"
+
+    report = []
+    report.append(f"Čas spuštění: {now}")
+    report.append(f"Databáze: {DB}")
+    report.append("")
+
+    try:
+        # ====================================================
+        # 1) GBAK
+        # ====================================================
+        t0 = time.time()
+
+        cmd = [
+            GBAK,
+            "-b",
+            "-user", FB_USER,
+            "-pas", FB_PASS,
+            DB,
+            str(fbk),
+            "-v",
+        ]
+
+        with open(log, "w", encoding="utf-8") as f:
+            subprocess.run(
+                cmd,
+                stdout=f,
+                stderr=subprocess.STDOUT,
+                check=True,
+            )
+
+        t_gbak = time.time() - t0
+        fbk_size = fbk.stat().st_size
+
+        report.append("GBAK záloha: OK")
+        report.append(f"FBK soubor: {fbk}")
+        report.append(f"Velikost FBK: {fbk_size/1024/1024:.1f} MB")
+        report.append(f"Čas GBAK: {t_gbak:.1f} s")
+        report.append("")
+
+        # ====================================================
+        # 2) ZIP
+        # ====================================================
+        t1 = time.time()
+        processed = 0
+
+        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"\rZIP: {pct:6.2f}% "
+                            f"({processed//1024//1024} MB)",
+                            end="",
+                            flush=True,
+                        )
+
+        print("\nZIP hotov.")
+
+        t_zip = time.time() - t1
+        zip_size = zipf.stat().st_size
+
+        report.append("ZIP komprese: OK")
+        report.append(f"ZIP soubor: {zipf}")
+        report.append(f"Velikost ZIP: {zip_size/1024/1024:.1f} MB")
+        report.append(
+            f"Kompresní poměr: "
+            f"{100 * (1 - zip_size / fbk_size):.1f} %"
+        )
+        report.append(f"Čas ZIP: {t_zip:.1f} s")
+        report.append("")
+
+        # ====================================================
+        # 3) DELETE FBK
+        # ====================================================
+        fbk.unlink()
+
+        report.append("FBK soubor byl po úspěšné kompresi smazán.")
+        report.append("")
+        report.append(f"LOG: {log}")
+
+        # ====================================================
+        # MAIL OK
+        # ====================================================
+        send_mail(
+            MAIL_TO,
+            "✅ MEDICUS – záloha + ZIP OK",
+            "\n".join(report),
+        )
+
+    except Exception:
+        err = traceback.format_exc()
+
+        send_mail(
+            MAIL_TO,
+            "❌ MEDICUS – chyba při záloze / ZIP",
+            f"""Při záloze MEDICUS došlo k chybě.
+
+Čas: {now}
+
+Chyba:
+{err}
+
+FBK (pokud existuje): {fbk}
+LOG: {log}
+""",
+        )
+        raise
+
+
+if __name__ == "__main__":
+    main()