Esempio n. 1
0
    def normalize(self):
        if (self.tag is None or not isinstance(self.tag, str)):
            raise exceptions.DataRequirementsError(
                f"'{self.yaml_tag}' requires string for denoting type, "
                f"got: '{self.tag}' of type '{type(self.tag)}'", None, None)

        try:
            value = locate(self.tag)
            self.tag = value
        except Exception as err:
            raise exceptions.DataRequirementsError(
                f"'{self.yaml_tag}' could not determine type data from "
                f"'{self.tag}'.", err, None) from err
Esempio n. 2
0
 def normalize(self):
     if isinstance(self.tag, str):
         value = self.tag.lower()
         self.tag = value
     else:
         raise exceptions.DataRequirementsError(
             f"'{self.yaml_tag}' requires a string for denoting key name, "
             f"got: '{self.tag}' of type '{type(self.tag)}'", None, None)
Esempio n. 3
0
    def normalize(self):
        '''
        Attempts to normalize self.tag, throws DataRequirementsError if it
        finds something invalid.
        '''
        value = self.tag
        if value is None:
            raise exceptions.DataRequirementsError(
                f"'{self.yaml_tag}' requires a value, "
                f"got: '{self.tag}' of type '{type(self.tag)}'", None, None)

        if isinstance(value, str):
            value = value.lower()
            cast = None
            try:
                cast = int(value)
            except ValueError:
                pass

            if cast is not None:
                value = cast
            elif (value == 'positive' or value == '>'):
                value = 1
            elif (value == 'non-negative' or value == '>='):
                value = 0
            elif (value == 'any' or value == 'all' or value == '<'):
                value = -1

        if isinstance(value, int):
            value = mathing.sign(value)
        else:
            raise exceptions.DataRequirementsError(
                f"'{self.yaml_tag}' requires: an integer or exactly "
                f"these strings: "
                f"'positive'/'>', "
                f"'non-negative'/'zero'/'>=', "
                f"or 'any'/'all'/'<'. "
                f"Got: '{value}' of type '{type(value)}'", None, None)

        # Ok... finally done; save our normalized value back to instance var.
        self.tag = value
Esempio n. 4
0
    def normalize(self):
        value = self.tag.lower()
        validated = None
        if value in self._VALUES_VALID:
            # Already a canonical name.
            validated = value
        else:
            # Look for a canonical name in the alternatives.
            for key in self._VALUES_VALID:
                alternatives = self._VALUES_VALID[key]
                if value in alternatives:
                    validated = key
                    break

        if validated:
            self.tag = validated
        else:
            raise exceptions.DataRequirementsError(
                f"'{self.yaml_tag}' requires one of these strings: "
                f"'repeat'/'repeating'. "
                f"Got: '{value}' of type '{type(value)}'", None, None)
Esempio n. 5
0
    def __init__(self, value):
        super().__init__(value)

        if self.tag == 0:
            self._valid_value_fn = int.__ge__
            self._valid_comparison = 0

        elif self.tag > 0:
            self._valid_value_fn = int.__gt__
            self._valid_comparison = 0

        elif self.tag < 0:
            self._valid_value_fn = int.__lt__
            self._valid_comparison = 0

        else:
            raise exceptions.DataRequirementsError(
                f"'{self.yaml_tag}' requires integer for comparison: "
                f"negative (e.g. -1) means less-than zero; "
                f"zero (e.g. 0) means greater-than-or-equal-to zero; "
                f"positive (e.g. 1) means greater-than zero. "
                f"got: '{value}' of type '{type(value)}'", None, None)
Esempio n. 6
0
 def __init__(self, value):
     super().__init__(value)
     if not self._valid_type(value):
         raise exceptions.DataRequirementsError(
             f"'{self.yaml_tag}' requires string type, "
             f"got: '{value}' of type '{type(value)}'", None, None)