Python sqlalchemy.orm.mapper.isa() Examples

The following are 22 code examples of sqlalchemy.orm.mapper.isa(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module sqlalchemy.orm.mapper , or try the search function .
Example #1
Source File: util.py    From sqlalchemy with MIT License 5 votes vote down vote up 
def _include_fn(self, elem):
        entity = elem._annotations.get("parentmapper", None)
        return not entity or entity.isa(self.mapper)
Example #2
Source File: util.py    From android_universal with MIT License 5 votes vote down vote up 
def _entity_isa(given, mapper):
    """determine if 'given' "is a" mapper, in terms of the given
    would load rows of type 'mapper'.

    """
    if given.is_aliased_class:
        return mapper in given.with_polymorphic_mappers or \
            given.mapper.isa(mapper)
    elif given.with_polymorphic_mappers:
        return mapper in given.with_polymorphic_mappers
    else:
        return given.isa(mapper)
Example #3
Source File: util.py    From android_universal with MIT License 5 votes vote down vote up 
def _entity_for_mapper(self, mapper):
        self_poly = self.with_polymorphic_mappers
        if mapper in self_poly:
            if mapper is self.mapper:
                return self
            else:
                return getattr(
                    self.entity, mapper.class_.__name__)._aliased_insp
        elif mapper.isa(self.mapper):
            return self
        else:
            assert False, "mapper %s doesn't correspond to %s" % (
                mapper, self)
Example #4
Source File: util.py    From android_universal with MIT License 5 votes vote down vote up 
def _include_fn(self, elem):
        entity = elem._annotations.get('parentmapper', None)
        return not entity or entity.isa(self.mapper)
Example #5
Source File: util.py    From moviegrabber with GNU General Public License v3.0 5 votes vote down vote up 
def _entity_for_mapper(self, mapper):
        self_poly = self.with_polymorphic_mappers
        if mapper in self_poly:
            return getattr(self.entity, mapper.class_.__name__)._aliased_insp
        elif mapper.isa(self.mapper):
            return self
        else:
            assert False, "mapper %s doesn't correspond to %s" % (mapper, self)
Example #6
Source File: util.py    From moviegrabber with GNU General Public License v3.0 5 votes vote down vote up 
def replace(self, elem):
        entity = elem._annotations.get('parentmapper', None)
        if not entity or entity.isa(self.mapper):
            return sql_util.ColumnAdapter.replace(self, elem)
        else:
            return None
Example #7
Source File: util.py    From jarvis with GNU General Public License v2.0 5 votes vote down vote up 
def _entity_isa(given, mapper):
    """determine if 'given' "is a" mapper, in terms of the given
    would load rows of type 'mapper'.

    """
    if given.is_aliased_class:
        return mapper in given.with_polymorphic_mappers or \
            given.mapper.isa(mapper)
    elif given.with_polymorphic_mappers:
        return mapper in given.with_polymorphic_mappers
    else:
        return given.isa(mapper)
Example #8
Source File: util.py    From jarvis with GNU General Public License v2.0 5 votes vote down vote up 
def _entity_for_mapper(self, mapper):
        self_poly = self.with_polymorphic_mappers
        if mapper in self_poly:
            if mapper is self.mapper:
                return self
            else:
                return getattr(
                    self.entity, mapper.class_.__name__)._aliased_insp
        elif mapper.isa(self.mapper):
            return self
        else:
            assert False, "mapper %s doesn't correspond to %s" % (
                mapper, self)
Example #9
Source File: util.py    From jarvis with GNU General Public License v2.0 5 votes vote down vote up 
def _include_fn(self, elem):
        entity = elem._annotations.get('parentmapper', None)
        return not entity or entity.isa(self.mapper)
Example #10
Source File: util.py    From sqlalchemy with MIT License 5 votes vote down vote up 
def _entity_isa(given, mapper):
    """determine if 'given' "is a" mapper, in terms of the given
    would load rows of type 'mapper'.

    """
    if given.is_aliased_class:
        return mapper in given.with_polymorphic_mappers or given.mapper.isa(
            mapper
        )
    elif given.with_polymorphic_mappers:
        return mapper in given.with_polymorphic_mappers
    else:
        return given.isa(mapper)
Example #11
Source File: util.py    From sqlalchemy with MIT License 5 votes vote down vote up 
def _entity_for_mapper(self, mapper):
        self_poly = self.with_polymorphic_mappers
        if mapper in self_poly:
            if mapper is self.mapper:
                return self
            else:
                return getattr(
                    self.entity, mapper.class_.__name__
                )._aliased_insp
        elif mapper.isa(self.mapper):
            return self
        else:
            assert False, "mapper %s doesn't correspond to %s" % (mapper, self)
Example #12
Source File: util.py    From jbox with MIT License 5 votes vote down vote up 
def _include_fn(self, elem):
        entity = elem._annotations.get('parentmapper', None)
        return not entity or entity.isa(self.mapper)
Example #13
Source File: util.py    From stdm with GNU General Public License v2.0 5 votes vote down vote up 
def _entity_for_mapper(self, mapper):
        self_poly = self.with_polymorphic_mappers
        if mapper in self_poly:
            return getattr(self.entity, mapper.class_.__name__)._aliased_insp
        elif mapper.isa(self.mapper):
            return self
        else:
            assert False, "mapper %s doesn't correspond to %s" % (
                mapper, self)
Example #14
Source File: util.py    From stdm with GNU General Public License v2.0 5 votes vote down vote up 
def replace(self, elem):
        entity = elem._annotations.get('parentmapper', None)
        if not entity or entity.isa(self.mapper):
            return sql_util.ColumnAdapter.replace(self, elem)
        else:
            return None
Example #15
Source File: util.py    From pyRevit with GNU General Public License v3.0 5 votes vote down vote up 
def _entity_for_mapper(self, mapper):
        self_poly = self.with_polymorphic_mappers
        if mapper in self_poly:
            if mapper is self.mapper:
                return self
            else:
                return getattr(
                    self.entity, mapper.class_.__name__)._aliased_insp
        elif mapper.isa(self.mapper):
            return self
        else:
            assert False, "mapper %s doesn't correspond to %s" % (
                mapper, self)
Example #16
Source File: util.py    From pyRevit with GNU General Public License v3.0 5 votes vote down vote up 
def _include_fn(self, elem):
        entity = elem._annotations.get('parentmapper', None)
        return not entity or entity.isa(self.mapper)
Example #17
Source File: util.py    From planespotter with MIT License 5 votes vote down vote up 
def _entity_isa(given, mapper):
    """determine if 'given' "is a" mapper, in terms of the given
    would load rows of type 'mapper'.

    """
    if given.is_aliased_class:
        return mapper in given.with_polymorphic_mappers or \
            given.mapper.isa(mapper)
    elif given.with_polymorphic_mappers:
        return mapper in given.with_polymorphic_mappers
    else:
        return given.isa(mapper)
Example #18
Source File: util.py    From planespotter with MIT License 5 votes vote down vote up 
def _entity_for_mapper(self, mapper):
        self_poly = self.with_polymorphic_mappers
        if mapper in self_poly:
            if mapper is self.mapper:
                return self
            else:
                return getattr(
                    self.entity, mapper.class_.__name__)._aliased_insp
        elif mapper.isa(self.mapper):
            return self
        else:
            assert False, "mapper %s doesn't correspond to %s" % (
                mapper, self)
Example #19
Source File: util.py    From planespotter with MIT License 5 votes vote down vote up 
def _include_fn(self, elem):
        entity = elem._annotations.get('parentmapper', None)
        return not entity or entity.isa(self.mapper)
Example #20
Source File: util.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up 
def _entity_for_mapper(self, mapper):
        self_poly = self.with_polymorphic_mappers
        if mapper in self_poly:
            if mapper is self.mapper:
                return self
            else:
                return getattr(
                    self.entity, mapper.class_.__name__)._aliased_insp
        elif mapper.isa(self.mapper):
            return self
        else:
            assert False, "mapper %s doesn't correspond to %s" % (
                mapper, self)
Example #21
Source File: util.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up 
def _include_fn(self, elem):
        entity = elem._annotations.get('parentmapper', None)
        return not entity or entity.isa(self.mapper)
Example #22
Source File: util.py    From jbox with MIT License 5 votes vote down vote up 
def _entity_for_mapper(self, mapper):
        self_poly = self.with_polymorphic_mappers
        if mapper in self_poly:
            if mapper is self.mapper:
                return self
            else:
                return getattr(
                    self.entity, mapper.class_.__name__)._aliased_insp
        elif mapper.isa(self.mapper):
            return self
        else:
            assert False, "mapper %s doesn't correspond to %s" % (
                mapper, self)