Python sqlalchemy.types 模块，UserDefinedType() 实例源码

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def coerce_compared_value(self, op, value):
        """Suggest a type for a 'coerced' Python value in an expression.

        Default behavior for :class:`.UserDefinedType` is the
        same as that of :class:`.TypeDecorator`; by default it returns
        ``self``, assuming the compared value should be coerced into
        the same type as this one.  See
        :meth:`.TypeDecorator.coerce_compared_value` for more detail.

        .. versionchanged:: 0.8 :meth:`.UserDefinedType.coerce_compared_value`
           now returns ``self`` by default, rather than falling onto the
           more fundamental behavior of
           :meth:`.TypeEngine.coerce_compared_value`.

        """

        return self

def _type_affinity(self):
        """Return a rudimental 'affinity' value expressing the general class
        of type."""

        typ = None
        for t in self.__class__.__mro__:
            if t in (TypeEngine, UserDefinedType):
                return typ
            elif issubclass(t, (TypeEngine, UserDefinedType)):
                typ = t
        else:
            return self.__class__

def _adapt_expression(self, op, other_comparator):
            if hasattr(self.type, 'adapt_operator'):
                util.warn_deprecated(
                    "UserDefinedType.adapt_operator is deprecated.  Create "
                    "a UserDefinedType.Comparator subclass instead which "
                    "generates the desired expression constructs, given a "
                    "particular operator."
                )
                return self.type.adapt_operator(op), self.type
            else:
                return op, self.type

def _type_affinity(self):
        """Return a rudimental 'affinity' value expressing the general class
        of type."""

        typ = None
        for t in self.__class__.__mro__:
            if t in (TypeEngine, UserDefinedType):
                return typ
            elif issubclass(t, (TypeEngine, UserDefinedType)):
                typ = t
        else:
            return self.__class__

def _adapt_expression(self, op, other_comparator):
            if hasattr(self.type, 'adapt_operator'):
                util.warn_deprecated(
                    "UserDefinedType.adapt_operator is deprecated.  Create "
                    "a UserDefinedType.Comparator subclass instead which "
                    "generates the desired expression constructs, given a "
                    "particular operator."
                )
                return self.type.adapt_operator(op), self.type
            else:
                return op, self.type

def _type_affinity(self):
        """Return a rudimental 'affinity' value expressing the general class
        of type."""

        typ = None
        for t in self.__class__.__mro__:
            if t in (TypeEngine, UserDefinedType):
                return typ
            elif issubclass(t, (TypeEngine, UserDefinedType)):
                typ = t
        else:
            return self.__class__

def _adapt_expression(self, op, other_comparator):
            if hasattr(self.type, 'adapt_operator'):
                util.warn_deprecated(
                    "UserDefinedType.adapt_operator is deprecated.  Create "
                    "a UserDefinedType.Comparator subclass instead which "
                    "generates the desired expression constructs, given a "
                    "particular operator."
                )
                return self.type.adapt_operator(op), self.type
            else:
                return op, self.type

def _type_affinity(self):
        """Return a rudimental 'affinity' value expressing the general class
        of type."""

        typ = None
        for t in self.__class__.__mro__:
            if t in (TypeEngine, UserDefinedType):
                return typ
            elif issubclass(t, (TypeEngine, UserDefinedType)):
                typ = t
        else:
            return self.__class__

def _adapt_expression(self, op, other_comparator):
            if hasattr(self.type, 'adapt_operator'):
                util.warn_deprecated(
                    "UserDefinedType.adapt_operator is deprecated.  Create "
                    "a UserDefinedType.Comparator subclass instead which "
                    "generates the desired expression constructs, given a "
                    "particular operator."
                )
                return self.type.adapt_operator(op), self.type
            else:
                return op, self.type

def _type_affinity(self):
        """Return a rudimental 'affinity' value expressing the general class
        of type."""

        typ = None
        for t in self.__class__.__mro__:
            if t in (TypeEngine, UserDefinedType):
                return typ
            elif issubclass(t, (TypeEngine, UserDefinedType)):
                typ = t
        else:
            return self.__class__

def _adapt_expression(self, op, other_comparator):
            if hasattr(self.type, 'adapt_operator'):
                util.warn_deprecated(
                    "UserDefinedType.adapt_operator is deprecated.  Create "
                    "a UserDefinedType.Comparator subclass instead which "
                    "generates the desired expression constructs, given a "
                    "particular operator."
                )
                return self.type.adapt_operator(op), self.type
            else:
                return op, self.type

def _type_affinity(self):
        """Return a rudimental 'affinity' value expressing the general class
        of type."""

        typ = None
        for t in self.__class__.__mro__:
            if t in (TypeEngine, UserDefinedType):
                return typ
            elif issubclass(t, (TypeEngine, UserDefinedType)):
                typ = t
        else:
            return self.__class__

def _adapt_expression(self, op, other_comparator):
            if hasattr(self.type, 'adapt_operator'):
                util.warn_deprecated(
                    "UserDefinedType.adapt_operator is deprecated.  Create "
                    "a UserDefinedType.Comparator subclass instead which "
                    "generates the desired expression constructs, given a "
                    "particular operator."
                )
                return self.type.adapt_operator(op), self.type
            else:
                return op, self.type

def _type_affinity(self):
        """Return a rudimental 'affinity' value expressing the general class
        of type."""

        typ = None
        for t in self.__class__.__mro__:
            if t is TypeEngine or t is UserDefinedType:
                return typ
            elif issubclass(t, TypeEngine):
                typ = t
        else:
            return self.__class__

def _adapt_expression(self, op, other_comparator):
            if hasattr(self.type, 'adapt_operator'):
                util.warn_deprecated(
                    "UserDefinedType.adapt_operator is deprecated.  Create "
                     "a UserDefinedType.Comparator subclass instead which "
                     "generates the desired expression constructs, given a "
                     "particular operator."
                    )
                return self.type.adapt_operator(op), self.type
            else:
                return op, self.type

def _type_affinity(self):
        """Return a rudimental 'affinity' value expressing the general class
        of type."""

        typ = None
        for t in self.__class__.__mro__:
            if t in (TypeEngine, UserDefinedType):
                return typ
            elif issubclass(t, (TypeEngine, UserDefinedType)):
                typ = t
        else:
            return self.__class__

def _adapt_expression(self, op, other_comparator):
            if hasattr(self.type, 'adapt_operator'):
                util.warn_deprecated(
                    "UserDefinedType.adapt_operator is deprecated.  Create "
                    "a UserDefinedType.Comparator subclass instead which "
                    "generates the desired expression constructs, given a "
                    "particular operator."
                )
                return self.type.adapt_operator(op), self.type
            else:
                return op, self.type

def _type_affinity(self):
        """Return a rudimental 'affinity' value expressing the general class
        of type."""

        typ = None
        for t in self.__class__.__mro__:
            if t in (TypeEngine, UserDefinedType):
                return typ
            elif issubclass(t, (TypeEngine, UserDefinedType)):
                typ = t
        else:
            return self.__class__

def _adapt_expression(self, op, other_comparator):
            if hasattr(self.type, 'adapt_operator'):
                util.warn_deprecated(
                    "UserDefinedType.adapt_operator is deprecated.  Create "
                    "a UserDefinedType.Comparator subclass instead which "
                    "generates the desired expression constructs, given a "
                    "particular operator."
                )
                return self.type.adapt_operator(op), self.type
            else:
                return op, self.type

def _type_affinity(self):
        """Return a rudimental 'affinity' value expressing the general class
        of type."""

        typ = None
        for t in self.__class__.__mro__:
            if t in (TypeEngine, UserDefinedType):
                return typ
            elif issubclass(t, (TypeEngine, UserDefinedType)):
                typ = t
        else:
            return self.__class__

def _adapt_expression(self, op, other_comparator):
            if hasattr(self.type, 'adapt_operator'):
                util.warn_deprecated(
                    "UserDefinedType.adapt_operator is deprecated.  Create "
                    "a UserDefinedType.Comparator subclass instead which "
                    "generates the desired expression constructs, given a "
                    "particular operator."
                )
                return self.type.adapt_operator(op), self.type
            else:
                return op, self.type

def _type_affinity(self):
        """Return a rudimental 'affinity' value expressing the general class
        of type."""

        typ = None
        for t in self.__class__.__mro__:
            if t in (TypeEngine, UserDefinedType):
                return typ
            elif issubclass(t, (TypeEngine, UserDefinedType)):
                typ = t
        else:
            return self.__class__

def _adapt_expression(self, op, other_comparator):
            if hasattr(self.type, 'adapt_operator'):
                util.warn_deprecated(
                    "UserDefinedType.adapt_operator is deprecated.  Create "
                    "a UserDefinedType.Comparator subclass instead which "
                    "generates the desired expression constructs, given a "
                    "particular operator."
                )
                return self.type.adapt_operator(op), self.type
            else:
                return op, self.type

def _type_affinity(self):
        """Return a rudimental 'affinity' value expressing the general class
        of type."""

        typ = None
        for t in self.__class__.__mro__:
            if t in (TypeEngine, UserDefinedType):
                return typ
            elif issubclass(t, (TypeEngine, UserDefinedType)):
                typ = t
        else:
            return self.__class__

def _adapt_expression(self, op, other_comparator):
            if hasattr(self.type, 'adapt_operator'):
                util.warn_deprecated(
                    "UserDefinedType.adapt_operator is deprecated.  Create "
                    "a UserDefinedType.Comparator subclass instead which "
                    "generates the desired expression constructs, given a "
                    "particular operator."
                )
                return self.type.adapt_operator(op), self.type
            else:
                return op, self.type

def _type_affinity(self):
        """Return a rudimental 'affinity' value expressing the general class
        of type."""

        typ = None
        for t in self.__class__.__mro__:
            if t in (TypeEngine, UserDefinedType):
                return typ
            elif issubclass(t, (TypeEngine, UserDefinedType)):
                typ = t
        else:
            return self.__class__