Adding ToDo CLI program

.gitignore

@@ -127,3 +127,5 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+
+.idea

scripts/todo_cli/README.md

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+## ToDo CLI program
+####Main Script - 
+todo.py  
+#### Files to store ToDos -
+1. todo.txt
+2. done.txt
+3. archive.txt
+
+#### Note -
+todo.bat is a bash script, add its path to OS environment variables and change path in python and bash files 
+to absolute path to use this using CMD from anywhere.
+
+#### Dependency - 
+None

scripts/todo_cli/archive.txt

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+2022-10-05 hacktoberfestpython

scripts/todo_cli/done.txt

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+2021-10-05 hackoctober 2021

scripts/todo_cli/todo.bat

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+@echo off
+
+python "scripts/todo_cli/todo.py" %*

scripts/todo_cli/todo.py

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+import time
+import sys
+import os
+
+arg = sys.argv
+todo_file = "todo.txt"
+done_file = "done.txt"
+archive_file = "archive.txt"
+
+
+def option_help():
+    sys.stdout.buffer.write('''
+    Commands :
+      add \"todo item\"\t\t\tAdd a new todo.
+      ls\t\t\t\tShow remaining todos.
+      del NUMBER\t\t\tDelete a todo.
+      done NUMBER\t\t\tComplete a todo.
+      help\t\t\t\tShow usage.
+      report\t\t\t\tStatistics.
+      archive\t\t\t\tArchives all the completed task
+
+    General Options
+      -h, --help\t\t\tShow help.
+      -v, --version\t\t\tShow version and exit.
+      -p, --print <file>\t\tPrints the file: (t)odo, (d)one, (a)rchive
+      '''.encode('utf8'))
+
+
+def option_add(todo_to_add):
+    todo_add = " ".join(todo_to_add)
+    with open(todo_file, "a") as f1:
+        f1.write(todo_add + '\n')
+    print(f"Added todo: \"{todo_add}\"")
+
+
+def option_ls():
+    todo = []
+    try:
+        with open(todo_file, "r") as f1:
+            for i in f1:
+                todo.append(i)
+        for i in range(len(todo) - 1, -1, -1):
+            sys.stdout.buffer.write("[{}] {}\n".format(i + 1, todo[i][:-1]).encode('utf8'))
+    except FileNotFoundError:
+        print("There are no pending todos!")
+
+
+def option_del(todo_to_delete):
+    try:
+        with open(todo_file, "r") as f1:
+            todo = f1.readlines()
+        if todo_to_delete > len(todo) or todo_to_delete == 0:
+            print(f"Error: todo #{todo_to_delete} does not exist. Nothing deleted.")
+        else:
+            todo.remove(todo[todo_to_delete - 1])
+            with open(todo_file, "w") as f1:
+                for i in todo:
+                    f1.write(i)
+            print("Deleted todo #{}".format(todo_to_delete))
+    except FileNotFoundError:
+        print("There are no pending todos! Nothing deleted.")
+    except ValueError:
+        print("Error: Enter a NUMBER. Nothing deleted.")
+
+
+def option_done(mark_done):
+    try:
+        with open(todo_file, "r") as f1:
+            todo = f1.readlines()
+        if mark_done > len(todo) or mark_done == 0:
+            print("Error: todo #{} does not exist.".format(mark_done))
+            return
+
+        dodo = todo[mark_done - 1]
+        todo.remove(dodo)
+        with open(todo_file, "w") as f1, open(done_file, "a") as f2:
+            for i in todo:
+                f1.write(i)
+            t = time.localtime()
+            f2.write(f"{t.tm_year}-{t.tm_mon:02}-{t.tm_mday:02} {dodo}")
+        print(f"Marked todo #{mark_done} as done.")
+        print(f"Yay! Only {len(todo)} task(s) are left.")
+    except FileNotFoundError:
+        print("There are no pending todos! Nothing marked Done.")
+    except ValueError:
+        print("Error: Enter a NUMBER. Nothing marked Done.")
+
+
+def option_report():
+    len_todo = 0
+    len_done = 0
+    t = time.localtime()
+    try:
+        with open(todo_file, "r") as f1:
+            len_todo = len(f1.readlines())
+    except FileNotFoundError:
+        pass
+    try:
+        with open(done_file, "r") as f2:
+            len_done = len(f2.readlines())
+    except FileNotFoundError:
+        pass
+    print(f"{t.tm_year}-{t.tm_mon:02}-{t.tm_mday:02} Pending : {len_todo} Completed : {len_done}")
+
+
+def option_archive():
+    try:
+        with open(done_file, 'r') as f2:
+            todo = f2.readlines()
+        os.remove(done_file)
+        with open(archive_file, 'a') as f3:
+            for i in todo:
+                f3.write(i)
+        print("All task completed are archived")
+    except FileNotFoundError:
+        print("Error: No task done to archive. Complete the pending task now!")
+
+
+def option_print(file_code):
+
+    if file_code == 't':
+        try:
+            with open(todo_file, 'r') as f1:
+                print('\nToDo List:')
+                for i in f1:
+                    print(i[:-1])
+        except FileNotFoundError:
+            print("There are no pending todos!")
+    elif file_code == 'd':
+        try:
+            with open(done_file, 'r') as f2:
+                print('\nDone List:')
+                for i in f2:
+                    print(i[:10], '\t', i[10:-1])
+        except FileNotFoundError:
+            print("Nothing has been marked as done")
+    elif file_code == 'a':
+        try:
+            with open(archive_file, 'r') as f3:
+                print('\nArchive List:')
+                for i in f3:
+                    print(i[:10], '\t', i[10:-1])
+        except FileNotFoundError:
+            print("Nothing in archives")
+    else:
+        print("Enter the correct argument")
+
+
+if len(arg) == 1 or arg[1] in ["help", '-h', "--help"]:
+    option_help()
+elif arg[1] == "add":
+    if len(arg) == 2:
+        print("Error: Missing todo string. Nothing added!")
+    else:
+        option_add(arg[2:])
+elif arg[1] == "ls":
+    option_ls()
+elif arg[1] == "del":
+    if len(arg) < 3:
+        print("Error: Missing NUMBER for deleting todo.")
+    else:
+        option_del(int(arg[2]))
+elif arg[1] == "done":
+    if len(arg) == 2:
+        print("Error: Missing NUMBER for marking todo as done.")
+    else:
+        option_done(int(arg[2]))
+elif arg[1] == "report":
+    option_report()
+elif arg[1] == "--version" or arg[1] == '-v':
+    print("ToDo 1.0")
+elif arg[1] == "archive":
+    option_archive()
+elif arg[1] == "--print" or arg[1] == '-p':
+    if len(arg) < 3:
+        print("No file name entered!")
+    else:
+        option_print(arg[2])
+else:
+    print("ERROR: unknown command \"{}\"".format(arg[1]))

scripts/todo_cli/todo.txt

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+hackoctberfest 2022