Defines a parameter from some origin Vset

Expand source code
"""Defines a parameter from some origin Vset
"""


class Subkey:
    def __init__(self, value, origin: str, output_matching: bool = False):
        """
        Parameters
        ----------
        value: Any
            subkey value corresponding to a Vset vfunc
        origin: str
            name of the origin Vset of this Subkey
        output_matching: bool (optional), default False
            inherited from the Vset where the Subkey is created
        """
        self.value = value
        self.origin = origin
        self.output_matching = output_matching
        # sep_dicts_id identifies the particular call to sep_dicts() that this
        # key's dictionary went through (if any).
        self.sep_dicts_id = None

    def is_matching(self):
        """Checks if subkey should be matched in other Vsets"""
        return self.output_matching or self.sep_dicts_id is not None

    def matches_sep_dict_id(self, other: object):
        """Helper to match Subkey by _sep_dict_id"""
        if isinstance(other, self.__class__):
            return (
                self.sep_dicts_id is not None
                and self.sep_dicts_id == other.sep_dicts_id
            )
        return False

    def matches(self, other: object):
        """When Subkey matching is required, determines if this Subkey is compatible
        with another, meaning that the origins and values match, and either the
        _sep_dicts_id matches or both Subkeys have _output_matching True.
        """
        if isinstance(other, self.__class__):
            # they're both matching
            cond0 = self.is_matching() and other.is_matching()
            # value and origins match
            cond1 = self.value == other.value and self.origin == other.origin
            # sep_dicts_id matches
            cond2 = self.sep_dicts_id == other.sep_dicts_id or (
                self.output_matching and other.output_matching
            )
            return cond0 and cond1 and cond2
        return False

    def mismatches(self, other: object):
        """When Subkey matching is required, determines if this Subkey and another are
        a bad match, meaning either:

        1. output_matching is True, origin is same, value is different
        2. output_matching is False, sep_dicts_id is same and not None, origin
           is same, value is different
        """
        if isinstance(other, self.__class__):
            # one of the two keys is output_matching
            cond0 = self.output_matching or other.output_matching
            # neither key is output_matching but sep_dict_ids not None and match
            cond1 = not cond0 and self.matches_sep_dict_id(other)
            # origins match and values mismatch
            cond2 = self.origin == other.origin and self.value != other.value
            return (cond0 or cond1) and cond2
        return True

    def __eq__(self, other: object):
        """Mainly used for testing purposes."""
        if isinstance(other, self.__class__):
            # value and origins match
            return self.value == other.value and self.origin == other.origin
        return False

    def __repr__(self):
        return str(self.value)

    def __hash__(self):
        """Mainly used for testing purposes."""
        return hash(self.value) ^ hash(self.origin) ^ hash(self.output_matching)

Classes

class Subkey (value, origin: str, output_matching: bool = False)

Parameters

value : Any
subkey value corresponding to a Vset vfunc
origin : str
name of the origin Vset of this Subkey
output_matching : bool (optional), default False
inherited from the Vset where the Subkey is created
Expand source code
class Subkey:
    def __init__(self, value, origin: str, output_matching: bool = False):
        """
        Parameters
        ----------
        value: Any
            subkey value corresponding to a Vset vfunc
        origin: str
            name of the origin Vset of this Subkey
        output_matching: bool (optional), default False
            inherited from the Vset where the Subkey is created
        """
        self.value = value
        self.origin = origin
        self.output_matching = output_matching
        # sep_dicts_id identifies the particular call to sep_dicts() that this
        # key's dictionary went through (if any).
        self.sep_dicts_id = None

    def is_matching(self):
        """Checks if subkey should be matched in other Vsets"""
        return self.output_matching or self.sep_dicts_id is not None

    def matches_sep_dict_id(self, other: object):
        """Helper to match Subkey by _sep_dict_id"""
        if isinstance(other, self.__class__):
            return (
                self.sep_dicts_id is not None
                and self.sep_dicts_id == other.sep_dicts_id
            )
        return False

    def matches(self, other: object):
        """When Subkey matching is required, determines if this Subkey is compatible
        with another, meaning that the origins and values match, and either the
        _sep_dicts_id matches or both Subkeys have _output_matching True.
        """
        if isinstance(other, self.__class__):
            # they're both matching
            cond0 = self.is_matching() and other.is_matching()
            # value and origins match
            cond1 = self.value == other.value and self.origin == other.origin
            # sep_dicts_id matches
            cond2 = self.sep_dicts_id == other.sep_dicts_id or (
                self.output_matching and other.output_matching
            )
            return cond0 and cond1 and cond2
        return False

    def mismatches(self, other: object):
        """When Subkey matching is required, determines if this Subkey and another are
        a bad match, meaning either:

        1. output_matching is True, origin is same, value is different
        2. output_matching is False, sep_dicts_id is same and not None, origin
           is same, value is different
        """
        if isinstance(other, self.__class__):
            # one of the two keys is output_matching
            cond0 = self.output_matching or other.output_matching
            # neither key is output_matching but sep_dict_ids not None and match
            cond1 = not cond0 and self.matches_sep_dict_id(other)
            # origins match and values mismatch
            cond2 = self.origin == other.origin and self.value != other.value
            return (cond0 or cond1) and cond2
        return True

    def __eq__(self, other: object):
        """Mainly used for testing purposes."""
        if isinstance(other, self.__class__):
            # value and origins match
            return self.value == other.value and self.origin == other.origin
        return False

    def __repr__(self):
        return str(self.value)

    def __hash__(self):
        """Mainly used for testing purposes."""
        return hash(self.value) ^ hash(self.origin) ^ hash(self.output_matching)

Methods

def is_matching(self)

Checks if subkey should be matched in other Vsets

Expand source code
def is_matching(self):
    """Checks if subkey should be matched in other Vsets"""
    return self.output_matching or self.sep_dicts_id is not None
def matches(self, other: object)

When Subkey matching is required, determines if this Subkey is compatible with another, meaning that the origins and values match, and either the _sep_dicts_id matches or both Subkeys have _output_matching True.

Expand source code
def matches(self, other: object):
    """When Subkey matching is required, determines if this Subkey is compatible
    with another, meaning that the origins and values match, and either the
    _sep_dicts_id matches or both Subkeys have _output_matching True.
    """
    if isinstance(other, self.__class__):
        # they're both matching
        cond0 = self.is_matching() and other.is_matching()
        # value and origins match
        cond1 = self.value == other.value and self.origin == other.origin
        # sep_dicts_id matches
        cond2 = self.sep_dicts_id == other.sep_dicts_id or (
            self.output_matching and other.output_matching
        )
        return cond0 and cond1 and cond2
    return False
def matches_sep_dict_id(self, other: object)

Helper to match Subkey by _sep_dict_id

Expand source code
def matches_sep_dict_id(self, other: object):
    """Helper to match Subkey by _sep_dict_id"""
    if isinstance(other, self.__class__):
        return (
            self.sep_dicts_id is not None
            and self.sep_dicts_id == other.sep_dicts_id
        )
    return False
def mismatches(self, other: object)

When Subkey matching is required, determines if this Subkey and another are a bad match, meaning either:

  1. output_matching is True, origin is same, value is different
  2. output_matching is False, sep_dicts_id is same and not None, origin is same, value is different
Expand source code
def mismatches(self, other: object):
    """When Subkey matching is required, determines if this Subkey and another are
    a bad match, meaning either:

    1. output_matching is True, origin is same, value is different
    2. output_matching is False, sep_dicts_id is same and not None, origin
       is same, value is different
    """
    if isinstance(other, self.__class__):
        # one of the two keys is output_matching
        cond0 = self.output_matching or other.output_matching
        # neither key is output_matching but sep_dict_ids not None and match
        cond1 = not cond0 and self.matches_sep_dict_id(other)
        # origins match and values mismatch
        cond2 = self.origin == other.origin and self.value != other.value
        return (cond0 or cond1) and cond2
    return True