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class QuerysetIndex(object):
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'''Create simple index of objects in a queryset'''
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def __init__(self, qs, *keywords):
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for keyword in keywords:
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setattr(self, 'by_' + keyword, dict())
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for obj in qs:
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for keyword in keywords:
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getattr(self, 'by_' + keyword)[getattr(obj, keyword)] = obj
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def _to_datetime(str_date):
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if not str_date:
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return None
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return datetime.strptime(str_date[:19], "%Y-%m-%d %H:%M:%S")
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def _to_date(str_date):
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dt = _to_datetime(str_date)
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return dt and dt.date()
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def _to_time(str_date):
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dt = _to_datetime(str_date)
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return dt and dt.time()
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def _to_duration(str_date):
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dt = _to_datetime(str_date)
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if dt is None:
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return timedelta(minutes=15)
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return dt - datetime(1900, 01, 01, 0, 0)
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def _get_dict(cols, line):
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res = {}
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for i, data in enumerate(line):
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res[cols[i]] = data.decode('utf-8')
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return res
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