histd/histd.py

118 lines
3.3 KiB
Python
Executable file

#!/usr/bin/env python3
"""
Histd: how I spent this day.
A simple but useful personal diary CLI utility.
"""
from datetime import date
import os
import subprocess
import sys
def main():
"""
Main function, run first.
Prepares environment and parses commands.
"""
base_dir = get_base_dir()
today = date.today()
if len(sys.argv) == 1:
edit_note(base_dir, today)
elif sys.argv[1] == "backup":
backup(base_dir, today)
elif sys.argv[1] == "merge":
merge(base_dir)
else:
print('Command not found')
def get_base_dir() -> str:
"""
Creates the directories necessary for the program
to work, if they are not present.
Returns the path to the directory where data can be stored.
"""
base_dir = os.path.expanduser('~/.local/share/histd')
os.makedirs(base_dir, exist_ok=True)
return base_dir
def edit_note(base_dir: str, note_date):
"""
Creates the required directories and opens a text editor
so that the user can describe the day.
"""
# Create dirs (base_dir/year/month)
year = str(note_date.year)
month = f'{note_date.month:02}'
workdir = os.path.join(base_dir, year, month)
os.makedirs(workdir, exist_ok=True)
# Open file (base_dir/year/month/day.md) with default editor
filename = f'{note_date.day:02}.md'
path_to_file = os.path.join(workdir, filename)
editor = os.environ.get('EDITOR', 'nano')
try:
subprocess.run([editor, path_to_file], check=True, cwd=base_dir)
except FileNotFoundError:
print("Error: I can't find your text editor")
print("Make sure the 'EDITOR' environment variable is set correctly")
except subprocess.CalledProcessError:
print("Your editor returned non-zero exit code")
def backup(base_dir: str, current_date):
"""
Creates an archive with all notes
"""
date_str = f'{current_date.year}-{current_date.month:02}-{current_date.day:02}'
archive_path = os.path.expanduser(f"~/histd-{date_str}.tar.xz")
cmd = ["tar", "cfJ", archive_path, "."]
try:
subprocess.run(cmd, check=True, cwd=base_dir)
print(f'Saved to {archive_path}')
except FileNotFoundError:
print("Error: I can't find tar program")
except subprocess.CalledProcessError:
print("Archiver returned non-zero exit code")
def merge(base_dir: str):
"""
This function concatenates all files and prefixes each with the filename.
The result will be printed to stdout.
"""
def read_files(path: str) -> str:
"""
Recursive function to read all files in a directory
"""
strings = []
contents = os.listdir(path)
for entry in contents:
entry_path = os.path.join(path, entry)
# It's a directory
if os.path.isdir(entry_path):
# Read all files in this directory
res = read_files(entry_path)
strings.append(res)
# It's a file
else:
with open(entry_path, 'r', encoding='utf-8') as note:
strings.append(f'## {entry_path}')
strings.append(note.read())
return '\n\n'.join(strings)
res = read_files(base_dir)
print(res)
if __name__ == '__main__':
main()