Mercurial > repos > guerler > springsuite

annotate planemo/lib/python3.7/site-packages/galaxy/util/dictifiable.py @ 1:56ad4e20f292 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:32:28 -0400
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1 import datetime
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2 import uuid
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3
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4
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5 def dict_for(obj, **kwds):
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6 # Create dict to represent item.
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7 return dict(
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8 model_class=obj.__class__.__name__,
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9 **kwds
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10 )
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11
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12
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13 class Dictifiable(object):
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14 """ Mixin that enables objects to be converted to dictionaries. This is useful
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15 when for sharing objects across boundaries, such as the API, tool scripts,
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16 and JavaScript code. """
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17
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18 def to_dict(self, view='collection', value_mapper=None):
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19 """
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20 Return item dictionary.
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21 """
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22
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23 if not value_mapper:
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24 value_mapper = {}
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25
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26 def get_value(key, item):
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27 """
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28 Recursive helper function to get item values.
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29 """
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30 # FIXME: why use exception here? Why not look for key in value_mapper
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31 # first and then default to to_dict?
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32 try:
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33 return item.to_dict(view=view, value_mapper=value_mapper)
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34 except Exception:
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35 if key in value_mapper:
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36 return value_mapper.get(key)(item)
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37 if type(item) == datetime.datetime:
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38 return item.isoformat()
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39 elif type(item) == uuid.UUID:
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40 return str(item)
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41 # Leaving this for future reference, though we may want a more
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42 # generic way to handle special type mappings going forward.
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43 # If the item is of a class that needs to be 'stringified' before being put into a JSON data structure
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44 # elif type(item) in []:
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45 # return str(item)
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46 return item
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47
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48 # Create dict to represent item.
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49 rval = dict_for(self)
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50
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51 # Fill item dict with visible keys.
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52 try:
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53 visible_keys = self.__getattribute__('dict_' + view + '_visible_keys')
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54 except AttributeError:
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55 raise Exception('Unknown Dictifiable view: %s' % view)
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56 for key in visible_keys:
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57 try:
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58 item = self.__getattribute__(key)
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59 if isinstance(item, list):
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60 rval[key] = []
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61 for i in item:
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62 rval[key].append(get_value(key, i))
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63 else:
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64 rval[key] = get_value(key, item)
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65 except AttributeError:
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66 rval[key] = None
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67
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68 return rval