Script to shift tasklists in zim to the next workday. Completed or excluded tasks are ignored, all others are set to `[>]` on the last day and reset on the next.

shift_tasks.py

#!/usr/bin/python
import sys
import datetime
import re
from pathlib import Path

file = Path(sys.argv[1])
date_parts = list(map(lambda x: x.replace('.txt', ''), file.parts[-3:]))

with Path('out').open('w+') as nf:
    nf.write(sys.argv[1])


date = datetime.date(int(date_parts[0]), int(date_parts[1]), int(date_parts[2]))

base_path = file.parent.parent.parent

if date.isoweekday() in set((5, 6)):
    next_day = date + datetime.timedelta(days=8 - date.isoweekday())
else:
    next_day = date + datetime.timedelta(days=1)

print(f'input day: {date}')
print(f'output day: {next_day}')

next_file = (base_path / next_day.strftime('%Y/%m/%d')).with_suffix(file.suffix)

print(f'input file: {file}')
print(f'output file: {next_file}')


with file.open('r+') as f:
    content = f.read()

    if content.strip() == "":
        raise Exception('File empty')
   
    def filters(x):
        return not re.match(r'\s*?[\w=].*?', x) and not re.match(r'\s*\[[x*]\].*', x)
    
    next_content = """Content-Type: text/x-zim-wiki
Wiki-Format: zim 0.4

"""

    next_content += f"====== {next_day.strftime('%A %d %B %Y')} ======"

    next_content +=  "\n".join(filter(filters, content.split("\n"))).replace('[>]', '[ ]')
  
    print("_______________________")
    print(content)
    print("\n ====> \n")
    print(next_content)

    print("_______________________")
    print(f'writing to {next_file}')
    with next_file.open('w+') as nf:
        nf.write(next_content)

    print('Saving updated day')
    shift_content = content.replace('[ ]', '[>]')
    f.seek(0)

    f.write(shift_content)
    f.truncate()