Files
z-bar-qt/scripts/generate_calendar_cache.py
T
Zacharias-Brohn 0f3f4a981f calendar
2025-12-07 02:16:33 +01:00

104 lines
2.8 KiB
Python

#!/usr/bin/env python3
"""
Calendar cache generator for z-bar-qt
Generates a JSON file containing date numbers for all 52 weeks of 3 years (last, current, next)
Structure: { "2024": { "week_0": [1,2,3,4,5,6,7], ... }, "2025": {...}, ... }
"""
import json
import sys
from datetime import datetime, timedelta
from pathlib import Path
def get_week_start_day():
"""Returns the first day of the week (0=Sunday, 1=Monday, etc.) - hardcoded to Monday"""
return 1 # Monday
def get_weeks_for_year(year, week_start_day=1):
"""
Generate week data for a given year.
Returns a dict with 52 weeks, each containing 7 date numbers.
"""
weeks = {}
# Find the first day of the year
jan_1 = datetime(year, 1, 1)
# Find the first week's start date (adjust based on week_start_day)
first_date = jan_1 - timedelta(days=(jan_1.weekday() - week_start_day) % 7)
# Generate 52 weeks
for week_num in range(52):
week_dates = []
week_start = first_date + timedelta(weeks=week_num)
for day_offset in range(7):
current_date = week_start + timedelta(days=day_offset)
week_dates.append(current_date.day)
weeks[f"week_{week_num}"] = week_dates
return weeks
def generate_calendar_cache(year=None):
"""Generate cache for last year, current year, and next year"""
if year is None:
year = datetime.now().year
cache = {}
for offset_year in [-1, 0, 1]:
target_year = year + offset_year
cache[str(target_year)] = get_weeks_for_year(target_year)
return cache
def write_cache_file(cache_data):
"""Write cache to the same location as Paths.cache in QML"""
import os
# Use XDG_CACHE_HOME or ~/.cache, then add /zshell (matching Paths singleton)
xdg_cache_home = os.environ.get("XDG_CACHE_HOME")
if xdg_cache_home:
cache_dir = Path(xdg_cache_home) / "zshell"
else:
cache_dir = Path.home() / ".cache" / "zshell"
cache_dir.mkdir(parents=True, exist_ok=True)
cache_file = cache_dir / "calendar_cache.json"
with open(cache_file, "w") as f:
json.dump(cache_data, f, indent=2)
print(f"Calendar cache written to: {cache_file}")
return cache_file
def main():
try:
# Generate cache for current year and ±1 year
cache = generate_calendar_cache()
# Write to file
cache_file = write_cache_file(cache)
print("Cache structure:")
print(" - Keys: year (e.g., '2024', '2025', '2026')")
print(" - Values: dict with 52 weeks")
print(" - Each week: array of 7 date numbers")
print(f"\nExample (first week of 2025):")
print(f" {cache['2025']['week_0']}")
return 0
except Exception as e:
print(f"Error generating calendar cache: {e}", file=sys.stderr)
return 1
if __name__ == "__main__":
sys.exit(main())