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1 change: 0 additions & 1 deletion .gitignore
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,6 @@ data/backup/*.tar.gz
data/backup/*.openwb-backup*
data/restore/*.tar.gz
data/data_migration/*.tar.gz
data/generate_totals.lock
ramdisk/*
web/lastcommit
!.gitignore
Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import fcntl
import json
import os
from pathlib import Path
from datetime import date

Expand Down Expand Up @@ -86,7 +87,18 @@ def generate_totals():
log.exception("generate_totals_subprocess läuft bereits. "
"Der zweite Prozess wird beendet.")
return
_generate_totals()
try:
current_lock_stat = LOCK_FILE.stat()
except FileNotFoundError:
return
# Ein anderer Prozess kann die bereits geöffnete Lock-Datei inzwischen gelöscht und neu angelegt haben.
# Unsere Sperre gilt dann nur für die alte Datei. Abbrechen, damit nicht zwei Prozesse gleichzeitig rechnen.
if not os.path.samestat(current_lock_stat, os.fstat(lock_file.fileno())):
return
try:
_generate_totals()
finally:
LOCK_FILE.unlink(missing_ok=True)


if __name__ == "__main__":
Expand Down
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