Synchronized Timer

setup.py

@@ -2,7 +2,7 @@ from setuptools import setup
 
 setup(
     name="timer",
-    version="0.2",
+    version="0.3",
     author="Alexander Nigl",
     py_modules=["timer"],
     install_requires=[

timer.py

@@ -46,9 +46,7 @@ class DateTime(click.DateTime):
             return None
 
 
-@click.command()
-@click.argument("enddate", type=DateTime(formats=DATETIME_FORMAT))
-def main(enddate):
+def start_app(enddate):
     root = Tk()
     root.geometry("300x100+200+200")
     root.configure(background="#000")
@@ -79,7 +77,7 @@ def main(enddate):
             tlbl.config(fg="red")
         else:
             tlbl.configure(text=deltaStr(delta))
-        root.after(1000, update)
+        root.after(1000 - int(datetime.datetime.now().microsecond / 1000), update)
 
     root.bind("<Configure>", resize)
     root.bind("<Escape>", lambda x: root.destroy())
@@ -89,5 +87,11 @@ def main(enddate):
     root.mainloop()
 
 
+@click.command()
+@click.argument("enddate", type=DateTime(formats=DATETIME_FORMAT))
+def main(enddate):
+    start_app(enddate)
+
+
 if __name__ == "__main__":
     main()