def get_project(proj_name, proj_list):
    """ Looks for a given project name.
    Returns that project or None if not found."""
    names = [p for p in proj_list if p.name[:len(proj_name)] == proj_name]
    if len(names) != 1:
        try: names = [ proj_list[ int(proj_name) ] ]
        except: return None
    return names[0]
 
def get_task(task_name, project):
    """ Looks for a given task name from a given project.
    Returns that task if found, None if not."""
    names = [t for t in project.tasks if t.desc[:len(task_name)] == task_name]
    if len(names) != 1:
        try: names = [ proj_list[ int(task_name) ] ]
        except: return None
    return names[0]    
 
def format_task(task):
    """ Returns a string of the task name plus
    the number of fields it contains.  Formatted 
    according to the number."""
    n = len(task.fields)
    if n == 0: return '\tTask: %s' %task.desc
    if n == 1: return '\tTask: %s [1 field]' %task.desc
    return '\tTask: %s [%s fields]' %(task.desc, n)