dict2list

dict2list.py

#!python

def dict2list(dict1):
    assert isinstance(dict1,dict)
    indexes = sorted(dict1.keys())
##    try:
    [ int(xx) for xx in indexes ] # validation: all keys is integer
    assert indexes[0] == 0 and indexes[-1]  == len(indexes)-1, "can not convert to list"
    return [ dict1[xx] for xx in indexes ]

def unittester(dict1):
    import logging
    try:
        outp = dict2list(dict1)
        logging.warn( (dict1,outp) )
    except Exception,err:
        logging.warn( (dict1,err) )

__all__ = [
    dict2list.__name__
]

if __name__ == '__main__':
    unittester( { 0:1, 1:2, 2:3, 3:4 } )
    unittester( { 0:1, 1:2, 3:4 } )
    unittester( { "A":1, 1:2, 2:4 } )