def update_command(t=-1, p=-1, n=-1, r=-1, **kwargs):
"""
Update a project, task or note with the supplied kwargs.
"""
c = conn()
if t > 0:
Task.update(c, t, kwargs)
elif n > 0:
Note.update(c, n, kwargs)
elif p > 0:
Project.update(c, p, kwargs)
elif r > 0:
Recipe.update(c, r, kwargs)
else:
raise Exception("Must specify one of t (task), n (note), p (project) or r (recipe).")
