(
self,
state,
passive,
loadopt=None,
extra_criteria=(),
extra_options=(),
alternate_effective_path=None,
execution_options=util.EMPTY_DICT,
)
| 886 | ) |
| 887 | |
| 888 | def _load_for_state( |
| 889 | self, |
| 890 | state, |
| 891 | passive, |
| 892 | loadopt=None, |
| 893 | extra_criteria=(), |
| 894 | extra_options=(), |
| 895 | alternate_effective_path=None, |
| 896 | execution_options=util.EMPTY_DICT, |
| 897 | ): |
| 898 | if not state.key and ( |
| 899 | ( |
| 900 | not self.parent_property.load_on_pending |
| 901 | and not state._load_pending |
| 902 | ) |
| 903 | or not state.session_id |
| 904 | ): |
| 905 | return LoaderCallableStatus.ATTR_EMPTY |
| 906 | |
| 907 | pending = not state.key |
| 908 | primary_key_identity = None |
| 909 | |
| 910 | use_get = self.use_get and (not loadopt or not loadopt._extra_criteria) |
| 911 | |
| 912 | if (not passive & PassiveFlag.SQL_OK and not use_get) or ( |
| 913 | not passive & attributes.NON_PERSISTENT_OK and pending |
| 914 | ): |
| 915 | return LoaderCallableStatus.PASSIVE_NO_RESULT |
| 916 | |
| 917 | if ( |
| 918 | # we were given lazy="raise" |
| 919 | self._raise_always |
| 920 | # the no_raise history-related flag was not passed |
| 921 | and not passive & PassiveFlag.NO_RAISE |
| 922 | and ( |
| 923 | # if we are use_get and related_object_ok is disabled, |
| 924 | # which means we are at most looking in the identity map |
| 925 | # for history purposes or otherwise returning |
| 926 | # PASSIVE_NO_RESULT, don't raise. This is also a |
| 927 | # history-related flag |
| 928 | not use_get |
| 929 | or passive & PassiveFlag.RELATED_OBJECT_OK |
| 930 | ) |
| 931 | ): |
| 932 | self._invoke_raise_load(state, passive, "raise") |
| 933 | |
| 934 | session = _state_session(state) |
| 935 | if not session: |
| 936 | if passive & PassiveFlag.NO_RAISE: |
| 937 | return LoaderCallableStatus.PASSIVE_NO_RESULT |
| 938 | |
| 939 | raise orm_exc.DetachedInstanceError( |
| 940 | "Parent instance %s is not bound to a Session; " |
| 941 | "lazy load operation of attribute '%s' cannot proceed" |
| 942 | % (orm_util.state_str(state), self.key) |
| 943 | ) |
| 944 | |
| 945 | # if we have a simple primary key load, check the |
no test coverage detected