utils.py 文件源码

python
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项目:django-scrub-pii 作者: MatthewWilkes 项目源码 文件源码
def get_updates_for_model(klass):
    global salt
    if salt is None:
        salt = uuid.uuid4()

    fields = []
    sensitive_fields = get_sensitive_fields(klass)
    if not sensitive_fields:
        return None
    for field in sensitive_fields:
        field_object = klass._meta.get_field(field)
        value_method = get_value_method(field_object, connection.vendor)
        data = {'table_name': klass._meta.db_table, 'field_name': field, 'salt': salt}
        fields.append({'field_name': field, 'value_method': value_method.format(**data)})
    assignments = map(lambda x: ASSIGNMENT_TEMPLATE.format(**x), fields)
    assignments = ",".join(assignments)
    query = UPDATE_QUERY_TEMPLATE.format(table_name=klass._meta.db_table, assignments=assignments)
    return query
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