Files
grotti/scripts/pfade_umziehen.py
T

99 lines
3.4 KiB
Python

#!/usr/bin/env python3
"""Absolute Windows-Pfade in files.stored_path und projects.folder auf Linux umschreiben.
Beispiel (Dry-Run):
python scripts/pfade_umziehen.py \\
--database-url postgresql:///grotti?host=/var/run/postgresql \\
--from "D:/Projekte/3DP/Slice" --to /var/lib/grotti/slice
Ohne --apply nur Anzeige. Mit --apply werden die Zeilen geschrieben.
"""
from __future__ import annotations
import argparse
import sys
from pathlib import Path
ROOT = Path(__file__).resolve().parents[1]
if str(ROOT) not in sys.path:
sys.path.insert(0, str(ROOT))
def normalize_slash(path: str) -> str:
return (path or "").replace("\\", "/").rstrip("/")
def rewrite(value: str, old: str, new: str) -> str | None:
if not value:
return None
cur = value.replace("\\", "/")
old_n = normalize_slash(old)
new_n = normalize_slash(new)
# case-insensitive für Windows-Laufwerke
if cur.lower().startswith(old_n.lower()):
rest = cur[len(old_n) :]
if rest and not rest.startswith("/"):
rest = "/" + rest
return new_n + rest
return None
def main() -> int:
parser = argparse.ArgumentParser(description="Slice-Pfade Windows → Linux umschreiben")
parser.add_argument("--database-url", required=True)
parser.add_argument("--from", dest="old", required=True, help="Alter Prefix (Windows)")
parser.add_argument("--to", dest="new", required=True, help="Neuer Prefix (Linux)")
parser.add_argument("--apply", action="store_true", help="Wirklich schreiben")
args = parser.parse_args()
import psycopg
from psycopg.rows import dict_row
old = args.old
new = args.new
changed_files = 0
changed_projects = 0
with psycopg.connect(args.database_url, row_factory=dict_row) as conn:
files = conn.execute("SELECT id, stored_path FROM files ORDER BY id").fetchall()
for row in files:
nxt = rewrite(row["stored_path"] or "", old, new)
if nxt is None or nxt == row["stored_path"]:
continue
changed_files += 1
print("file %s: %s → %s" % (row["id"], row["stored_path"], nxt))
if args.apply:
conn.execute("UPDATE files SET stored_path = %s WHERE id = %s", (nxt, row["id"]))
projects = conn.execute("SELECT id, folder FROM projects ORDER BY id").fetchall()
for row in projects:
folder = row["folder"] or ""
# folder ist relativ — nur absolute Reste bereinigen
nxt = rewrite(folder, old, new)
if nxt is None:
continue
# relativ zum neuen Slice-Root speichern, falls möglich
new_n = normalize_slash(new)
if nxt.lower().startswith(new_n.lower()):
rel = nxt[len(new_n) :].lstrip("/")
nxt = rel
changed_projects += 1
print("project %s: %s → %s" % (row["id"], folder, nxt))
if args.apply:
conn.execute("UPDATE projects SET folder = %s WHERE id = %s", (nxt, row["id"]))
if args.apply:
conn.commit()
print("Geschrieben: %s Dateien, %s Projekte." % (changed_files, changed_projects))
else:
print(
"Dry-Run: %s Dateien, %s Projekte würden sich ändern. Mit --apply ausführen."
% (changed_files, changed_projects)
)
return 0
if __name__ == "__main__":
raise SystemExit(main())