add python file for todo app

pyscriptjs/examples/todo.py

@@ -0,0 +1,38 @@
+from datetime import datetime as dt
+from pyscript import Element
+from js import console
+
+tasks = []
+
+# define the task template that will be use to render new templates to the page
+task_template = Element("task-template").select('.task', from_content=True)
+task_list = Element("list-tasks-container")
+new_task_content = Element("new-task-content")
+
+def add_task(*ags, **kws):
+  # create task
+  task_id = f"task-{len(tasks)}"
+  task = {"id": task_id, "content": new_task_content.element.value, "done": False, "created_at": dt.now()}
+  tasks.append(task)
+  
+  # add the task element to the page as new node in the list by cloning from a template
+  taskHtml = task_template.clone(task_id, to=task_list)
+  taskHtmlContent = taskHtml.select('p')
+  taskHtmlContent.element.innerText = task['content']
+  taskHtmlCheck = taskHtml.select('input')
+  task_list.element.appendChild(taskHtml.element)
+  
+  def check_task(evt=None):
+    task['done'] = not task['done']
+    if task['done']:
+      taskHtmlContent.element.classList.add("line-through")
+    else:
+      taskHtmlContent.element.classList.remove("line-through")
+
+  new_task_content.clear()
+  taskHtmlCheck.element.onclick = check_task
+
+def add_task_event(e):
+  console.log("im in")
+  if (e.key == "Enter"):
+    add_task()