|
| 1 | +#!/usr/bin/env python3 |
| 2 | +"""Habit Tracker CLI - Track daily habits and view streaks""" |
| 3 | +import json |
| 4 | +import os |
| 5 | +from datetime import datetime, timedelta |
| 6 | +from pathlib import Path |
| 7 | + |
| 8 | +HABITS_FILE = Path.home() / ".habit_tracker.json" |
| 9 | + |
| 10 | +def load_habits(): |
| 11 | + """Load habits from JSON file""" |
| 12 | + if HABITS_FILE.exists(): |
| 13 | + with open(HABITS_FILE, 'r') as f: |
| 14 | + return json.load(f) |
| 15 | + return {} |
| 16 | + |
| 17 | +def save_habits(habits): |
| 18 | + """Save habits to JSON file""" |
| 19 | + with open(HABITS_FILE, 'w') as f: |
| 20 | + json.dump(habits, f, indent=2) |
| 21 | + |
| 22 | +def add_habit(name): |
| 23 | + """Add a new habit""" |
| 24 | + habits = load_habits() |
| 25 | + if name in habits: |
| 26 | + print(f"❌ Habit '{name}' already exists!") |
| 27 | + return |
| 28 | + habits[name] = {"created": datetime.now().strftime("%Y-%m-%d"), "completed": []} |
| 29 | + save_habits(habits) |
| 30 | + print(f"✅ Added habit: {name}") |
| 31 | + |
| 32 | +def check_off_habit(name): |
| 33 | + """Mark habit as completed for today""" |
| 34 | + habits = load_habits() |
| 35 | + if name not in habits: |
| 36 | + print(f"❌ Habit '{name}' not found!") |
| 37 | + return |
| 38 | + today = datetime.now().strftime("%Y-%m-%d") |
| 39 | + if today in habits[name]["completed"]: |
| 40 | + print(f"ℹ️ Habit '{name}' already completed today!") |
| 41 | + return |
| 42 | + habits[name]["completed"].append(today) |
| 43 | + save_habits(habits) |
| 44 | + print(f"🎉 Checked off: {name}") |
| 45 | + |
| 46 | +def calculate_streak(completed_dates): |
| 47 | + """Calculate current streak from completed dates""" |
| 48 | + if not completed_dates: |
| 49 | + return 0 |
| 50 | + dates = sorted([datetime.strptime(d, "%Y-%m-%d") for d in completed_dates], reverse=True) |
| 51 | + streak = 1 |
| 52 | + for i in range(len(dates) - 1): |
| 53 | + if (dates[i] - dates[i + 1]).days == 1: |
| 54 | + streak += 1 |
| 55 | + else: |
| 56 | + break |
| 57 | + return streak if (datetime.now().date() - dates[0].date()).days <= 1 else 0 |
| 58 | + |
| 59 | +def list_habits(): |
| 60 | + """List all habits with streaks""" |
| 61 | + habits = load_habits() |
| 62 | + if not habits: |
| 63 | + print("📝 No habits tracked yet. Add one with: add <habit_name>") |
| 64 | + return |
| 65 | + print("\n🎯 Your Habits:\n" + "="*50) |
| 66 | + for name, data in habits.items(): |
| 67 | + streak = calculate_streak(data["completed"]) |
| 68 | + total = len(data["completed"]) |
| 69 | + print(f" {name:20} | 🔥 {streak:2d} day streak | ✓ {total:3d} total") |
| 70 | + print("="*50 + "\n") |
| 71 | + |
| 72 | +def main(): |
| 73 | + """Main CLI interface""" |
| 74 | + import sys |
| 75 | + args = sys.argv[1:] |
| 76 | + if not args: |
| 77 | + print("Usage: python habit_tracker_cli.py <command> [args]") |
| 78 | + print("Commands:") |
| 79 | + print(" add <name> - Add a new habit") |
| 80 | + print(" check <name> - Check off habit for today") |
| 81 | + print(" list - List all habits with streaks") |
| 82 | + return |
| 83 | + cmd = args[0] |
| 84 | + if cmd == "add" and len(args) > 1: |
| 85 | + add_habit(" ".join(args[1:])) |
| 86 | + elif cmd == "check" and len(args) > 1: |
| 87 | + check_off_habit(" ".join(args[1:])) |
| 88 | + elif cmd == "list": |
| 89 | + list_habits() |
| 90 | + else: |
| 91 | + print(f"❌ Unknown command: {cmd}") |
| 92 | + |
| 93 | +if __name__ == "__main__": |
| 94 | + main() |
0 commit comments