def __init__(self, handler, row_session, field):
self.row_session = row_session
self.handler = handler
self.field = field
self.rel = rel = field.rel
self.to = to = rel.to
self.map_cache = {}
self.fk_cache = {}
self.explicit_uk_fields = tuple(
handler._meta.fk_matchers.get(field.name) or ())
self.is_translated = hasattr(self.to, "_parler_meta")
self.translated_fields = self.to._parler_meta.root_model._meta.get_fields(
) if self.is_translated else []
self.translated_field_names = [f.name for f in self.translated_fields]
uk_fields = dict((f.name, f) for f in get_model_unique_fields(to))
uk_fields.update((fname, None) for fname in self.explicit_uk_fields)
# TODO: can explicit fields be used to map stuff
uk_fields.update(
(f.name, f) for f in get_model_possible_name_fields(to))
self.uk_fields = uk_fields
self.reverse_fields = list(
itertools.chain(self.explicit_uk_fields,
[f for f in uk_fields if f not in ("id", "pk")],
["pk"]))
manager = to.objects
if issubclass(to, TranslatableModel):
manager = manager.language(handler.language)
self.manager = manager
def __init__(self, handler, row_session, field):
self.row_session = row_session
self.handler = handler
self.field = field
self.rel = rel = field.rel
self.to = to = rel.to
self.map_cache = {}
self.fk_cache = {}
self.explicit_uk_fields = tuple(handler._meta.fk_matchers.get(field.name) or ())
self.is_translated = hasattr(self.to, "_parler_meta")
self.translated_fields = self.to._parler_meta.root_model._meta.get_fields() if self.is_translated else []
self.translated_field_names = [f.name for f in self.translated_fields]
uk_fields = dict((f.name, f) for f in get_model_unique_fields(to))
uk_fields.update((fname, None) for fname in self.explicit_uk_fields)
# TODO: can explicit fields be used to map stuff
uk_fields.update((f.name, f) for f in get_model_possible_name_fields(to))
self.uk_fields = uk_fields
self.reverse_fields = list(itertools.chain(
self.explicit_uk_fields,
[f for f in uk_fields if f not in ("id", "pk")],
["pk"]
))
manager = to.objects
if issubclass(to, TranslatableModel):
manager = manager.language(handler.language)
self.manager = manager