334 lines
17 KiB
Python
334 lines
17 KiB
Python
from copy import deepcopy
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def diff_rev(_old, _new):
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delta = {}
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if not isinstance(_old, dict):
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return delta
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for k in _new.keys():
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if k in _old:
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if isinstance(_new[k], dict):
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res = diff_rev(_old[k], _new[k])
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if len(res.keys()):
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delta[k] = res
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else:
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_old[k] = _new[k]
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delta[k] = _new[k]
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return delta
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def diff_add(_old, _new):
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__old = deepcopy(_old)
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delta = diff_rev(__old, _new)
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return delta
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def diff_del(_old, _new):
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delta = {}
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for k in _old:
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if k in _new:
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if isinstance(_old[k], dict) and isinstance(_new[k], dict):
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sub = diff_del(_old[k], _new[k])
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if sub:
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delta[k] = sub
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else:
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# key absent from _new: None signals "delete entire key" for dicts
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delta[k] = None if isinstance(_old[k], dict) else _old[k]
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return delta
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def diff_upd(_old, _new, add_if_not_exist=False):
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delta = {}
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for k in _new.keys():
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if k in _old:
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if isinstance(_new[k], dict):
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res = diff_upd(_old[k], _new[k], add_if_not_exist)
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if len(res.keys()):
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delta[k] = res
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elif _new[k] != _old[k]:
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delta[k] = _new[k]
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elif add_if_not_exist:
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delta[k] = _new[k]
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return delta
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def diff_upd_add(_old, _new):
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return diff_upd(_old, _new, add_if_not_exist=True)
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def diff_full(_old, _new, combine_upd_add=True):
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diff = {}
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if combine_upd_add:
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res = diff_upd_add(_old, _new)
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if len(res.keys()):
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diff['update_add'] = res
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res = diff_del(_old, _new)
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if len(res.keys()):
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diff['delete'] = res
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else:
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res = diff_upd(_old, _new)
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if len(res.keys()):
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diff['update'] = res
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res = diff_add(_old, _new)
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if len(res.keys()):
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diff['add'] = res
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res = diff_del(_old, _new)
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if len(res.keys()):
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diff['delete'] = res
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return diff
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def _legacy_assertions() -> None:
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result = diff_add({}, {'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke', 'f': 'coffee'}})
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assert result == {'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}
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result = diff_add({'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'}, {'a': 'hamburger', 'b': 'fries', 'c': 'coke'})
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assert result == {}
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result = diff_add({'a': 'hamburger', 'b': 'fries', 'c': 'pepsi', 'd': 'icecream'}, {'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'})
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assert result == {}
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result = diff_add({'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'}, {'a': 'hamburger', 'd': 'icecream', 'c': 'coke'})
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assert result == {'d':'icecream'}
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result = diff_add({'a': 'hamburger', 'c': 'pepsi', 'd': 'icecream'}, {'a': 'hamburger', 'b': 'fries', 'c': 'coke'})
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assert result == {'b':'fries'}
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result = diff_add({'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke'}}, {'c': {'f': 'coffee'}})
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assert result == {'c': {'f': 'coffee'}}
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result = diff_add({'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a': 'hamburger', 'b': 'fries', 'c': {'f': 'coffee'}})
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assert result == {}
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result = diff_del({'a': 'hamburger', 'c': 'pepsi', 'd': 'icecream'}, {'a': 'hamburger', 'b': 'fries', 'c': 'coke'})
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assert result == {'d':'icecream'}
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result = diff_del({'a': 'hamburger', 'b': 'fries', 'c': 'coke'}, {'a': 'hamburger', 'b': 'fries', 'c': 'coke'})
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assert result == {}
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result = diff_del({'a': 'hamburger', 'b': 'fries', 'c': 'coke'}, {'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'})
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assert result == {}
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result = diff_del({'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'}, {'a': 'hamburger', 'b': 'fries'})
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assert result == {'c':'pepsi'}
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result = diff_del({'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'}, {'a': 'hamburger', 'b': 'fries', 'c': 'coke'})
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assert result == {}
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result = diff_del({'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a': 'hamburger', 'b': 'fries'})
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assert result == {'c': None}
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result = diff_del({'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'c': {'e': 'coke'}})
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assert result == {'a':'hamburger', 'b':'fries', 'c': {'f': 'coffee'}}
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result = diff_del({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hamburger', 'b':'fries', 'c': {'e': 'pepsi', 'f': 'coffee'}})
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assert result == {}
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result = diff_upd({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hotdog', 'b':'potatoes'})
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assert result == {'a':'hotdog', 'b':'potatoes'}
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result = diff_upd({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'c': {'e': 'pepsi'}})
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assert result == {'c': {'e': 'pepsi'}}
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result = diff_upd({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hotdog', 'b':'fries'})
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assert result == {'a':'hotdog'}
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result = diff_upd({'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'}, {'a': 'hamburger', 'd': 'icecream', 'c': 'coke'})
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assert result == {'c':'coke'}
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result = diff_upd({'a': 'hamburger', 'c': 'pepsi', 'd': 'icecream'}, {'a': 'hamburger', 'b': 'fries', 'c': 'coke'})
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assert result == {'c':'coke'}
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result = diff_upd({'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke'}}, {'c': {'f': 'coffee'}})
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assert result == {}
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result = diff_upd({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hamburger', 'b':'fries', 'c': {'e': 'pepsi', 'f': 'coffee'}})
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assert result == {'c': {'e': 'pepsi'}}
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# Update/add
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result = diff_upd_add({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hotdog', 'b':'potatoes', 'd': 'icecream'})
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assert result == {'a':'hotdog', 'b':'potatoes', 'd': 'icecream'}
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result = diff_upd_add({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'c': {'e': 'pepsi', 'g': 'tea', 'h': 'cake'}, 'b':'potatoes'})
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assert result == {'b':'potatoes', 'c': {'e': 'pepsi', 'g': 'tea', 'h': 'cake'}}
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result = diff_upd_add({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hotdog', 'b':'fries'})
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assert result == {'a':'hotdog'}
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result = diff_upd_add({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hamburger', 'b':'fries', 'c': {'e': 'pepsi', 'f': 'coffee'}})
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assert result == {'c': {'e': 'pepsi'}}
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#####################
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result = diff_upd_add({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hotdog', 'b':'potatoes'})
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assert result == {'a':'hotdog', 'b':'potatoes'}
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result = diff_upd_add({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'c': {'e': 'pepsi'}})
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assert result == {'c': {'e': 'pepsi'}}
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result = diff_upd_add({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hotdog', 'b':'fries'})
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assert result == {'a':'hotdog'}
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result = diff_upd_add({'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'}, {'a': 'hamburger', 'd': 'icecream', 'c': 'coke'})
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assert result == {'c': 'coke', 'd': 'icecream'}
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result = diff_upd_add({'a': 'hamburger', 'c': 'pepsi', 'd': 'icecream'}, {'a': 'hamburger', 'b': 'fries', 'c': 'coke'})
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assert result == {'b': 'fries', 'c': 'coke'}
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result = diff_upd_add({'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke'}}, {'c': {'f': 'coffee'}})
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assert result == {'c': {'f': 'coffee'}}
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result = diff_upd_add({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hamburger', 'b':'fries', 'c': {'e': 'pepsi', 'f': 'coffee'}})
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assert result == {'c': {'e': 'pepsi'}}
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result = diff_upd_add({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hamburger', 'b':'fries', 'c': {'e': 'pepsi', 'f': 'coffee', 'h': 'cake'}})
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assert result == {'c': {'e': 'pepsi', 'h': 'cake'}}
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# diff_full
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combine_upd_add = False
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result = diff_full({}, {'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, combine_upd_add)
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assert result == {'add': {'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke', 'f': 'coffee'}}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'}, {'a': 'hamburger', 'b': 'fries', 'c': 'coke'}, combine_upd_add)
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assert result == {'update': {'c': 'coke'}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': 'pepsi', 'd': 'icecream'}, {'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'}, combine_upd_add)
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assert result == {'delete': {'d': 'icecream'}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'}, {'a': 'hamburger', 'd': 'icecream', 'c': 'coke'}, combine_upd_add)
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assert result == {'add': {'d': 'icecream'}, 'delete': {'b': 'fries'}, 'update': {'c': 'coke'}}
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result = diff_full({'a': 'hamburger', 'c': 'pepsi', 'd': 'icecream'}, {'a': 'hamburger', 'b': 'fries', 'c': 'coke'}, combine_upd_add)
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assert result == {'add': {'b': 'fries'}, 'delete': {'d': 'icecream'}, 'update': {'c': 'coke'}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke'}}, {'c': {'f': 'coffee'}}, combine_upd_add)
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assert result == {'add': {'c': {'f': 'coffee'}}, 'delete': {'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke'}}}
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result = diff_full({'a': 'hamburger', 'c': 'pepsi', 'd': 'icecream'}, {'a': 'hamburger', 'b': 'fries', 'c': 'coke'}, combine_upd_add)
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assert result == {'add': {'b': 'fries'}, 'delete': {'d': 'icecream'}, 'update': {'c': 'coke'}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': 'coke'}, {'a': 'hamburger', 'b': 'fries', 'c': 'coke'}, combine_upd_add)
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assert result == {}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': 'coke'}, {'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'}, combine_upd_add)
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assert result == {'update': {'c': 'pepsi'}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'}, {'a': 'hamburger', 'b': 'fries'}, combine_upd_add)
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assert result == {'delete': {'c': 'pepsi'}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'}, {'a': 'hamburger', 'b': 'fries', 'c': 'coke'}, combine_upd_add)
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assert result == {'update': {'c': 'coke'}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a': 'hamburger', 'b': 'fries'}, combine_upd_add)
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assert result == {'delete': {'c': None}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a': 'hamburger', 'b': 'fries', 'c': {'f': 'coffee'}}, combine_upd_add)
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assert result == {'delete': {'c': {'e': 'coke'}}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'c': {'e': 'coke'}}, combine_upd_add)
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assert result == {'delete': {'a': 'hamburger', 'b': 'fries', 'c': {'f': 'coffee'}}}
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result = diff_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hotdog', 'b':'potatoes'}, combine_upd_add)
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assert result == {'delete': {'c': None}, 'update': {'a': 'hotdog', 'b': 'potatoes'}}
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result = diff_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'c': {'e': 'pepsi'}}, combine_upd_add)
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assert result == {'delete': {'a': 'hamburger', 'b': 'fries', 'c': {'f': 'coffee'}}, 'update': {'c': {'e': 'pepsi'}}}
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result = diff_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hotdog', 'b':'fries'}, combine_upd_add)
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assert result == {'delete': {'c': None}, 'update': {'a': 'hotdog'}}
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result = diff_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hamburger', 'b':'fries', 'c': {'e': 'pepsi', 'f': 'coffee'}}, combine_upd_add)
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assert result == {'update': {'c': {'e': 'pepsi'}}}
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result = diff_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hotdog', 'b':'potatoes', 'd': 'icecream'}, combine_upd_add)
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assert result == {'add': {'d': 'icecream'}, 'delete': {'c': None}, 'update': {'a': 'hotdog', 'b': 'potatoes'}}
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result = diff_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'c': {'e': 'pepsi', 'g': 'tea', 'h': 'cake'}, 'b':'potatoes'}, combine_upd_add)
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assert result == {'add': {'c': {'g': 'tea', 'h': 'cake'}}, 'delete': {'a': 'hamburger', 'c': {'f': 'coffee'}}, 'update': {'b': 'potatoes', 'c': {'e': 'pepsi'}}}
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result = diff_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hotdog', 'b':'fries'}, combine_upd_add)
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assert result == {'delete': {'c': None}, 'update': {'a': 'hotdog'}}
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result = diff_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hamburger', 'b':'fries', 'c': {'e': 'pepsi', 'f': 'coffee'}}, combine_upd_add)
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assert result == {'update': {'c': {'e': 'pepsi'}}}
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result = diff_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hamburger', 'b':'fries', 'c': {'e': 'pepsi', 'f': 'coffee', 'h': 'cake'}}, combine_upd_add)
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assert result == {'add': {'c': {'h': 'cake'}}, 'update': {'c': {'e': 'pepsi'}}}
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# ToDo: diff_full
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combine_upd_add = True
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result = diff_full({}, {'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, combine_upd_add)
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assert result == {'update_add': {'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke', 'f': 'coffee'}}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'}, {'a': 'hamburger', 'b': 'fries', 'c': 'coke'}, combine_upd_add)
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assert result == {'update_add': {'c': 'coke'}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': 'pepsi', 'd': 'icecream'}, {'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'}, combine_upd_add)
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assert result == {'delete': {'d': 'icecream'}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'}, {'a': 'hamburger', 'd': 'icecream', 'c': 'coke'}, combine_upd_add)
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assert result == {'delete': {'b': 'fries'}, 'update_add': {'c': 'coke', 'd': 'icecream'}}
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result = diff_full({'a': 'hamburger', 'c': 'pepsi', 'd': 'icecream'}, {'a': 'hamburger', 'b': 'fries', 'c': 'coke'}, combine_upd_add)
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assert result == {'delete': {'d': 'icecream'}, 'update_add': {'b': 'fries', 'c': 'coke'}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke'}}, {'c': {'f': 'coffee'}}, combine_upd_add)
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assert result == {'update_add': {'c': {'f': 'coffee'}}, 'delete': {'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke'}}}
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result = diff_full({'a': 'hamburger', 'c': 'pepsi', 'd': 'icecream'}, {'a': 'hamburger', 'b': 'fries', 'c': 'coke'}, combine_upd_add)
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assert result == {'delete': {'d': 'icecream'}, 'update_add': {'b': 'fries', 'c': 'coke'}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': 'coke'}, {'a': 'hamburger', 'b': 'fries', 'c': 'coke'}, combine_upd_add)
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assert result == {}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': 'coke'}, {'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'}, combine_upd_add)
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assert result == {'update_add': {'c': 'pepsi'}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'}, {'a': 'hamburger', 'b': 'fries'}, combine_upd_add)
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assert result == {'delete': {'c': 'pepsi'}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': 'pepsi'}, {'a': 'hamburger', 'b': 'fries', 'c': 'coke'}, combine_upd_add)
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assert result == {'update_add': {'c': 'coke'}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a': 'hamburger', 'b': 'fries'}, combine_upd_add)
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assert result == {'delete': {'c': None}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a': 'hamburger', 'b': 'fries', 'c': {'f': 'coffee'}}, combine_upd_add)
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assert result == {'delete': {'c': {'e': 'coke'}}}
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result = diff_full({'a': 'hamburger', 'b': 'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'c': {'e': 'coke'}}, combine_upd_add)
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assert result == {'delete': {'a': 'hamburger', 'b': 'fries', 'c': {'f': 'coffee'}}}
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result = diff_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hotdog', 'b':'potatoes'}, combine_upd_add)
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assert result == {'delete': {'c': None}, 'update_add': {'a': 'hotdog', 'b': 'potatoes'}}
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result = diff_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'c': {'e': 'pepsi'}}, combine_upd_add)
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assert result == {'delete': {'a': 'hamburger', 'b': 'fries', 'c': {'f': 'coffee'}}, 'update_add': {'c': {'e': 'pepsi'}}}
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result = diff_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hotdog', 'b':'fries'}, combine_upd_add)
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assert result == {'delete': {'c': None}, 'update_add': {'a': 'hotdog'}}
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result = diff_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hamburger', 'b':'fries', 'c': {'e': 'pepsi', 'f': 'coffee'}}, combine_upd_add)
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assert result == {'update_add': {'c': {'e': 'pepsi'}}}
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result = diff_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hotdog', 'b':'potatoes', 'd': 'icecream'}, combine_upd_add)
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assert result == {'delete': {'c': None}, 'update_add': {'a': 'hotdog', 'b': 'potatoes', 'd': 'icecream'}}
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result = diff_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'c': {'e': 'pepsi', 'g': 'tea', 'h': 'cake'}, 'b':'potatoes'}, combine_upd_add)
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assert result == {'delete': {'a': 'hamburger', 'c': {'f': 'coffee'}}, 'update_add': {'b': 'potatoes', 'c': {'e': 'pepsi', 'g': 'tea', 'h': 'cake'}}}
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result = diff_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hotdog', 'b':'fries'}, combine_upd_add)
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assert result == {'delete': {'c': None}, 'update_add': {'a': 'hotdog'}}
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result = diff_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hamburger', 'b':'fries', 'c': {'e': 'pepsi', 'f': 'coffee'}}, combine_upd_add)
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assert result == {'update_add': {'c': {'e': 'pepsi'}}}
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result = diff_full({'a':'hamburger', 'b':'fries', 'c': {'e': 'coke', 'f': 'coffee'}}, {'a':'hamburger', 'b':'fries', 'c': {'e': 'pepsi', 'f': 'coffee', 'h': 'cake'}}, combine_upd_add)
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assert result == {'update_add': {'c': {'e': 'pepsi', 'h': 'cake'}}}
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if __name__ == '__main__':
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_legacy_assertions()
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