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from abc import ABC, abstractmethod |
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2
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from functools import reduce |
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3
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import attr |
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4
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import pandas as pd |
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5
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6
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from so_magic.utils import SubclassRegistry |
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7
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8
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9
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class FillerInterface(ABC): |
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10
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@abstractmethod |
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11
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def fill(self, *args, **kwargs): |
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raise NotImplementedError |
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13
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14
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15
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class FillerFactoryType(type): |
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16
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17
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@classmethod |
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18
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def create(mcs, *args, **kwargs) -> FillerInterface: |
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raise NotImplementedError |
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20
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21
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22
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class FillerFactoryClassRegistry(metaclass=SubclassRegistry): pass |
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23
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24
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25
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@FillerFactoryClassRegistry.register_as_subclass('static') |
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class StaticDataFiller(FillerInterface): |
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def __init__(self, *args, **kwargs) -> None: |
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self._variable = args[1] |
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if callable(kwargs.get('value')): |
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self._fct = kwargs['value'] |
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else: |
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self._fct = self._variable.data_type |
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33
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print('\n----->', self._fct, type(self._fct)) |
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34
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35
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def replace_missing_with_true_zero(self, value, true_zero): |
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36
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try: |
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37
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if pd.isnull(value): # True for both np.nan and None |
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return true_zero |
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except ValueError: |
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pass |
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41
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return value |
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42
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43
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def fill(self, *args, **kwargs): |
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datapoints = args[0] |
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45
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datapoints.observations[str(self._variable)] = datapoints.observations[str(self._variable)].map(lambda a: self.replace_missing_with_true_zero(a, self._fct())) |
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46
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47
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48
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@attr.s |
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49
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class FillerFactory: |
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50
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filler_factory_classes_registry = attr.ib(default=attr.Factory(lambda: FillerFactoryClassRegistry)) |
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51
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def create(self, datapoints, variable, value=None): |
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52
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key = 'static' |
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53
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return self.filler_factory_classes_registry.create(key, datapoints, variable, value=value) |
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54
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55
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56
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@attr.s |
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57
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class MagicFillerFactory: |
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58
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filler_factory = attr.ib(init=False, default=attr.Factory(FillerFactory)) |
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59
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60
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def create(self, datapoints, variable, value=None): |
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61
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return self.filler_factory.create(datapoints, variable, value=value) |
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62
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boromir674 /
so-magic
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