def test_put_parent_missing():
target: Dict = {"a": {}}
spec: List[str] = ["a", "b", "c"]
value: str = "value"
nesteddicts.put(target, spec, value)
expected: Dict = {"a": {"b": {"c": "value"}}}
assert expected == target
def __call__(self, composite: Dict):
person_name_path = ["invariant"] + list(self.person_name_var.absolute_path)
person_name: str = nesteddicts.get(composite, person_name_path)
lc_name = person_name.lower()
gender = self.lookups["genders"][lc_name]
gender_path = ["invariant"] + list(self.gender_var.absolute_path)
nesteddicts.put(composite, gender_path, gender)
def test_put_tree_exists():
target: Dict = {"a": {"b": {"c": "old value"}}}
spec: List[str] = ["a", "b", "c"]
value: str = "new value"
nesteddicts.put(target, spec, value)
expected: Dict = {"a": {"b": {"c": "new value"}}}
assert expected == target
def __call__(self, composite: Dict):
# IRL, you'd have to handle nulls, decide how to deal with temporal variables, etc.
color_name_path = ["invariant"] + list(self.color_name_var.absolute_path)
color_name = nesteddicts.get(composite, color_name_path)
# At some point, I'll write a fancy retrieval/validation/assignment system, but that's not for the MVP
rgb_value = self.lookups["color_names"][color_name]
rgb_path = ["invariant"] + list(self.rgb_var.absolute_path)
nesteddicts.put(composite, rgb_path, rgb_value)
def __call__(self, composite: Dict):
template = "%s's favorite color is %s (%s). Over the observation period, %s gained %0.1f lbs."
name = get_value(composite, self.person_name_var)
color = get_value(composite, self.color_name_var)
rgb = get_value(composite, self.rgb_var)
weight_gain = get_value(composite, self.weight_gain_var)
pronoun = self.get_pronoun(composite)
sentence = template % (name, color, rgb, pronoun, weight_gain)
print(self.sentence_var)
sentence_path = ["invariant"] + list(self.sentence_var.absolute_path)
nesteddicts.put(composite, sentence_path, sentence)
def __call__(self, composite: Dict):
periods = set(composite.keys()) - {"invariant"}
earliest = min(periods)
latest = max(periods)
weight_path = list(self.weight_var.absolute_path)
earliest_weight_path: list = [earliest] + weight_path
earliest_weight: float = nesteddicts.get(composite, earliest_weight_path)
latest_weight_path: list = [latest] + weight_path
latest_weight: float = nesteddicts.get(composite, latest_weight_path)
# I know, should have called it "weight change."
weight_gain = round(latest_weight - earliest_weight, 2)
weight_gain_path = ["invariant"] + list(self.weight_gain_var.absolute_path)
nesteddicts.put(composite, weight_gain_path, weight_gain)
def test_put_incomplete_nesting():
target: Dict = {"a": "b"}
spec: List[str] = ["a", "b", "c"]
value: str = "value"
with raises(nesteddicts.IncompleteNestingError):
nesteddicts.put(target, spec, value)
def put_observation(composite: Dict, period: str, variable: Variable,
value: Optional[Any]) -> None:
"""Assign (or overwrite) the value of a variable into a particular observation."""
path: List = [period] + list(variable.absolute_path)
nesteddicts.put(composite, path, value)
def put_property(composite: Dict, prop: Variable,
value: Optional[Any]) -> None:
"""Assign (or overwrite) a value to an invariant "variable" (property) in this composite."""
path: List = ["invariant"] + list(prop.absolute_path)
nesteddicts.put(composite, path, value)