Backup/BackupAll: přidány verze 01 a 02
01 = původní (každá DB vlastní ZIP) 02 = nový (hlavní DB vlastní ZIP, všechny externí DB → jeden ZIP) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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import subprocess
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import os
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from pathlib import Path
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from datetime import datetime
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import zipfile
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import time
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import traceback
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from EmailMessagingGraph import send_mail
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# ============================================================
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# CONFIG
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# ============================================================
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GBAK = r"C:\Program Files\Firebird\Firebird_2_5_CGM\bin\gbak.exe"
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FB_USER = "SYSDBA"
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FB_PASS = "masterkey"
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FB_PORT = "3050"
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MAIN_DB = r"localhost/3050:C:\medicus 3\data\MEDICUS.FDB"
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EXT_DIR = Path(r"U:\externi")
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BACKUP_DIR = Path(r"U:\medicusbackup")
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MAIL_TO = "vladimir.buzalka@buzalka.cz"
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CHUNK = 8 * 1024 * 1024 # 8 MB
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# ============================================================
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# HELPERS
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# ============================================================
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def gbak_and_zip(label: str, db_conn: str, fbk: Path, zipf: Path, log: Path) -> dict:
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"""
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Run gbak backup and ZIP the result.
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Returns a result dict.
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"""
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result = {
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"label": label,
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"ok": False,
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"fbk_size": 0,
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"zip_size": 0,
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"t_gbak": 0,
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"t_zip": 0,
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"error": None,
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}
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# 1) GBAK
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print(f"GBAK: {label} ... ", end="", flush=True)
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t0 = time.time()
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cmd = [GBAK, "-b", "-user", FB_USER, "-pas", FB_PASS, db_conn, str(fbk), "-v"]
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with open(log, "w", encoding="utf-8") as f:
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subprocess.run(cmd, stdout=f, stderr=subprocess.STDOUT, check=True)
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result["t_gbak"] = time.time() - t0
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result["fbk_size"] = fbk.stat().st_size
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print(f"OK ({result['t_gbak']:.0f}s, {result['fbk_size']/1024/1024:.1f} MB)")
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# 2) ZIP
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t1 = time.time()
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processed = 0
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fbk_size = result["fbk_size"]
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with zipfile.ZipFile(zipf, "w", compression=zipfile.ZIP_DEFLATED, compresslevel=9) as zf:
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zi = zipfile.ZipInfo(fbk.name)
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zi.compress_type = zipfile.ZIP_DEFLATED
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with zf.open(zi, "w", force_zip64=True) as z:
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with open(fbk, "rb") as src:
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while buf := src.read(CHUNK):
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z.write(buf)
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processed += len(buf)
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pct = processed * 100 / fbk_size
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print(f"\r ZIP {label}: {pct:6.2f}%", end="", flush=True)
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print()
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result["t_zip"] = time.time() - t1
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result["zip_size"] = zipf.stat().st_size
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# 3) Delete FBK + LOG
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fbk.unlink()
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log.unlink()
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result["ok"] = True
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return result
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def format_result(r: dict) -> str:
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ratio = 100 * (1 - r["zip_size"] / r["fbk_size"]) if r["fbk_size"] else 0
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return (
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f" {r['label']}: "
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f"FBK {r['fbk_size']/1024/1024:.1f} MB → "
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f"ZIP {r['zip_size']/1024/1024:.1f} MB "
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f"({ratio:.0f}% komprese, "
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f"gbak {r['t_gbak']:.0f}s, zip {r['t_zip']:.0f}s)"
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)
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# ============================================================
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# MAIN
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# ============================================================
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def main():
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BACKUP_DIR.mkdir(parents=True, exist_ok=True)
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now = datetime.now()
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ts = now.strftime("%Y-%m-%d_%H-%M-%S")
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backed_up = []
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errors = []
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# ----------------------------------------------------------
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# 1) Hlavní DB – MEDICUS.FDB
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# ----------------------------------------------------------
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fbk = BACKUP_DIR / f"MEDICUS_{ts}.fbk"
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zipf = BACKUP_DIR / f"MEDICUS_{ts}.zip"
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log = BACKUP_DIR / f"MEDICUS_{ts}.log"
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try:
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r = gbak_and_zip("MEDICUS", MAIN_DB, fbk, zipf, log)
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backed_up.append(r)
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except Exception:
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errors.append({"label": "MEDICUS", "error": traceback.format_exc()})
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for f in (fbk, log):
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if f.exists():
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f.unlink()
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# ----------------------------------------------------------
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# 2) Externí DB – MEDICUS_FILES_*.fdb
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# ----------------------------------------------------------
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fdb_all = sorted(
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set(EXT_DIR.glob("MEDICUS_FILES_*.fdb")) | set(EXT_DIR.glob("MEDICUS_FILES_*.FDB")),
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key=lambda p: p.name.lower(),
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)
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for fdb in fdb_all:
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name = fdb.stem
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fbk = BACKUP_DIR / f"{name}_{ts}.fbk"
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zipf = BACKUP_DIR / f"{name}_{ts}.zip"
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log = BACKUP_DIR / f"{name}_{ts}.log"
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db_conn = f"localhost/{FB_PORT}:{fdb}"
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try:
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r = gbak_and_zip(name, db_conn, fbk, zipf, log)
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backed_up.append(r)
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except Exception:
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errors.append({"label": name, "error": traceback.format_exc()})
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for f in (fbk, log):
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if f.exists():
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f.unlink()
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# ----------------------------------------------------------
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# Report
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# ----------------------------------------------------------
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total = 1 + len(fdb_all)
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report = [
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f"Backup Medicus – {now.strftime('%d.%m.%Y %H:%M')}",
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f"Celkem DB: {total} | OK: {len(backed_up)} | Chyby: {len(errors)}",
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f"Výstupní adresář: {BACKUP_DIR}",
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"",
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]
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if backed_up:
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report.append("--- Zálohováno ---")
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total_zip = sum(r["zip_size"] for r in backed_up)
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for r in backed_up:
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report.append(format_result(r))
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report.append(f" Celková velikost ZIP: {total_zip/1024/1024:.1f} MB")
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report.append("")
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if errors:
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report.append("--- CHYBY ---")
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for e in errors:
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report.append(f" {e['label']}:\n{e['error']}")
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report.append("")
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has_errors = bool(errors)
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subject = (
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f"{'X' if has_errors else 'OK'} MEDICUS backup "
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f"{len(backed_up)}/{total}"
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+ (f" – {len(errors)} chyb" if has_errors else "")
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)
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send_mail(MAIL_TO, subject, "\n".join(report))
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print("\n" + "\n".join(report))
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if errors:
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raise RuntimeError(f"{len(errors)} backup(s) failed")
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if __name__ == "__main__":
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main()
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