Created
May 15, 2019 00:26
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Python generic attribute processor that calls filter and composer functions
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| #Copyright (c) 2019 Adam Moore, MIT License | |
| #The generic attribute processor that calls filter and composer functions | |
| import string | |
| def filter_digits_only(s): | |
| return ''.join(c for c in s if c in string.digits) | |
| def get_org_id(data): | |
| return '12345' | |
| def get_email_lower(data): | |
| return data['email'].lower() | |
| attr_map = (('ORGID', 'ORGID'), | |
| ('id', 'USERID'), | |
| ('first_name', 'FIRSTNAME'), | |
| ('last_name', 'LASTNAME'), | |
| ('cell_phone', 'MOBLENUM'), | |
| ('e_mail', 'EMAIL'), | |
| ('USERNAME', 'USERNAME')) | |
| attr_filter = { | |
| 'cell_phone': filter_digits_only, | |
| } | |
| attr_comp = { | |
| 'ORGID': get_org_id, | |
| 'USERNAME': get_email_lower, | |
| } | |
| def attr_pump(dataset, | |
| attr_map, | |
| attr_filter={}, | |
| attr_comp={}): | |
| ins, outs = zip(*attr_map) | |
| #output headers | |
| yield outs | |
| for data in dataset: | |
| yield tuple(attr_comp[attr](data) | |
| if attr in attr_comp else | |
| attr_filter[attr](data[attr]) | |
| if attr in attr_filter else | |
| data[attr]) | |
| #needs a suitable dataset to test - an iterable of dictionaries |
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