id stringlengths 14 16 | text stringlengths 13 2.7k | source stringlengths 57 178 |
|---|---|---|
95552857791c-6 | langchain.document_loaders.dropbox
langchain.document_loaders.duckdb_loader
langchain.document_loaders.email
langchain.document_loaders.embaas
langchain.document_loaders.epub
langchain.document_loaders.etherscan
langchain.document_loaders.evernote
langchain.document_loaders.excel
langchain.document_loaders.facebook_cha... | lang/api.python.langchain.com/en/latest/_modules/index.html |
95552857791c-7 | langchain.document_loaders.notion
langchain.document_loaders.notiondb
langchain.document_loaders.nuclia
langchain.document_loaders.obs_directory
langchain.document_loaders.obs_file
langchain.document_loaders.obsidian
langchain.document_loaders.odt
langchain.document_loaders.onedrive
langchain.document_loaders.onedrive_... | lang/api.python.langchain.com/en/latest/_modules/index.html |
95552857791c-8 | langchain.document_loaders.sharepoint
langchain.document_loaders.sitemap
langchain.document_loaders.slack_directory
langchain.document_loaders.snowflake_loader
langchain.document_loaders.spreedly
langchain.document_loaders.srt
langchain.document_loaders.stripe
langchain.document_loaders.telegram
langchain.document_load... | lang/api.python.langchain.com/en/latest/_modules/index.html |
95552857791c-9 | langchain.embeddings.cache
langchain.embeddings.clarifai
langchain.embeddings.cohere
langchain.embeddings.dashscope
langchain.embeddings.deepinfra
langchain.embeddings.edenai
langchain.embeddings.elasticsearch
langchain.embeddings.embaas
langchain.embeddings.ernie
langchain.embeddings.fake
langchain.embeddings.fastembe... | lang/api.python.langchain.com/en/latest/_modules/index.html |
95552857791c-10 | langchain.evaluation.qa.eval_chain
langchain.evaluation.qa.generate_chain
langchain.evaluation.regex_match.base
langchain.evaluation.schema
langchain.evaluation.scoring.eval_chain
langchain.evaluation.string_distance.base
langchain.graphs.arangodb_graph
langchain.graphs.falkordb_graph
langchain.graphs.graph_document
la... | lang/api.python.langchain.com/en/latest/_modules/index.html |
95552857791c-11 | langchain.llms.forefrontai
langchain.llms.gigachat
langchain.llms.google_palm
langchain.llms.gooseai
langchain.llms.gpt4all
langchain.llms.gradient_ai
langchain.llms.huggingface_endpoint
langchain.llms.huggingface_hub
langchain.llms.huggingface_pipeline
langchain.llms.huggingface_text_gen_inference
langchain.llms.human... | lang/api.python.langchain.com/en/latest/_modules/index.html |
95552857791c-12 | langchain.llms.vllm
langchain.llms.writer
langchain.llms.xinference
langchain.llms.yandex
langchain.load.dump
langchain.load.load
langchain.load.serializable
langchain.memory.buffer
langchain.memory.buffer_window
langchain.memory.chat_memory
langchain.memory.chat_message_histories.cassandra
langchain.memory.chat_messag... | lang/api.python.langchain.com/en/latest/_modules/index.html |
95552857791c-13 | langchain.output_parsers.loading
langchain.output_parsers.openai_functions
langchain.output_parsers.openai_tools
langchain.output_parsers.pydantic
langchain.output_parsers.rail_parser
langchain.output_parsers.regex
langchain.output_parsers.regex_dict
langchain.output_parsers.retry
langchain.output_parsers.structured
la... | lang/api.python.langchain.com/en/latest/_modules/index.html |
95552857791c-14 | langchain.retrievers.knn
langchain.retrievers.llama_index
langchain.retrievers.merger_retriever
langchain.retrievers.metal
langchain.retrievers.milvus
langchain.retrievers.multi_query
langchain.retrievers.multi_vector
langchain.retrievers.parent_document_retriever
langchain.retrievers.pinecone_hybrid_search
langchain.r... | lang/api.python.langchain.com/en/latest/_modules/index.html |
95552857791c-15 | langchain.runnables.openai_functions
langchain.schema.agent
langchain.schema.cache
langchain.schema.callbacks.base
langchain.schema.callbacks.manager
langchain.schema.callbacks.stdout
langchain.schema.callbacks.tracers.base
langchain.schema.callbacks.tracers.evaluation
langchain.schema.callbacks.tracers.langchain
langc... | lang/api.python.langchain.com/en/latest/_modules/index.html |
95552857791c-16 | langchain.tools.ainetwork.owner
langchain.tools.ainetwork.rule
langchain.tools.ainetwork.transfer
langchain.tools.ainetwork.utils
langchain.tools.ainetwork.value
langchain.tools.amadeus.base
langchain.tools.amadeus.closest_airport
langchain.tools.amadeus.flight_search
langchain.tools.amadeus.utils
langchain.tools.arxiv... | lang/api.python.langchain.com/en/latest/_modules/index.html |
95552857791c-17 | langchain.tools.file_management.write
langchain.tools.github.tool
langchain.tools.gitlab.tool
langchain.tools.gmail.base
langchain.tools.gmail.create_draft
langchain.tools.gmail.get_message
langchain.tools.gmail.get_thread
langchain.tools.gmail.search
langchain.tools.gmail.send_message
langchain.tools.gmail.utils
langc... | lang/api.python.langchain.com/en/latest/_modules/index.html |
95552857791c-18 | langchain.tools.scenexplain.tool
langchain.tools.searchapi.tool
langchain.tools.searx_search.tool
langchain.tools.shell.tool
langchain.tools.sleep.tool
langchain.tools.spark_sql.tool
langchain.tools.sql_database.tool
langchain.tools.steamship_image_generation.tool
langchain.tools.steamship_image_generation.utils
langch... | lang/api.python.langchain.com/en/latest/_modules/index.html |
95552857791c-19 | langchain.utilities.tensorflow_datasets
langchain.utilities.twilio
langchain.utilities.vertexai
langchain.utilities.wikipedia
langchain.utilities.wolfram_alpha
langchain.utilities.zapier
langchain.utils.aiter
langchain.utils.env
langchain.utils.formatting
langchain.utils.html
langchain.utils.input
langchain.utils.iter
... | lang/api.python.langchain.com/en/latest/_modules/index.html |
95552857791c-20 | langchain.vectorstores.momento_vector_index
langchain.vectorstores.mongodb_atlas
langchain.vectorstores.myscale
langchain.vectorstores.neo4j_vector
langchain.vectorstores.nucliadb
langchain.vectorstores.opensearch_vector_search
langchain.vectorstores.pgembedding
langchain.vectorstores.pgvecto_rs
langchain.vectorstores.... | lang/api.python.langchain.com/en/latest/_modules/index.html |
95552857791c-21 | langchain_experimental.autonomous_agents.autogpt.output_parser
langchain_experimental.autonomous_agents.autogpt.prompt
langchain_experimental.autonomous_agents.autogpt.prompt_generator
langchain_experimental.autonomous_agents.baby_agi.baby_agi
langchain_experimental.autonomous_agents.baby_agi.task_creation
langchain_ex... | lang/api.python.langchain.com/en/latest/_modules/index.html |
95552857791c-22 | langchain_experimental.llm_bash.prompt
langchain_experimental.llm_symbolic_math.base
langchain_experimental.llms.anthropic_functions
langchain_experimental.llms.jsonformer_decoder
langchain_experimental.llms.llamaapi
langchain_experimental.llms.lmformatenforcer_decoder
langchain_experimental.llms.rellm_decoder
langchai... | lang/api.python.langchain.com/en/latest/_modules/index.html |
a5972cc239fa-0 | Source code for sqlalchemy.orm.decl_base
# ext/declarative/base.py
# Copyright (C) 2005-2023 the SQLAlchemy authors and contributors
# <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
# the MIT License: https://www.opensource.org/licenses/mit-license.php
"""Internal implementation for decl... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-1 | from .. import event
from .. import exc
from .. import util
from ..sql import expression
from ..sql.base import _NoArg
from ..sql.schema import Column
from ..sql.schema import Table
from ..util import topological
from ..util.typing import _AnnotationScanType
from ..util.typing import is_fwd_ref
from ..util.typing impor... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-2 | __table_args__: Optional[_TableArgsType]
_sa_apply_dc_transforms: Optional[_DataclassArguments]
def __declare_first__(self) -> None:
...
def __declare_last__(self) -> None:
...
class _DataclassArguments(TypedDict):
init: Union[_NoArg, bool]
repr: Union[_NoArg, bool]
eq: Union[_No... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-3 | return not _get_immediate_cls_attr(
cls, "_sa_decl_prepare_nocascade", strict=True
)
# regular mapping
elif _is_mapped_class(cls):
return True
else:
return False
def _resolve_for_abstract_or_classical(cls: Type[Any]) -> Optional[Type[Any]]:
if cls is object:
r... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-4 | if attrname in cls.__dict__:
return getattr(cls, attrname)
for base in cls.__mro__[1:]:
_is_classical_inherits = _dive_for_cls_manager(base) is not None
if attrname in base.__dict__ and (
base is cls
or (
(base in cls.__bases__ if strict else True)
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-5 | return cast("MappedClassProtocol[_O]", cls).__mapper__
@util.preload_module("sqlalchemy.orm.decl_api")
def _is_declarative_props(obj: Any) -> bool:
_declared_attr_common = util.preloaded.orm_decl_api._declared_attr_common
return isinstance(obj, (_declared_attr_common, util.classproperty))
def _check_declared_pr... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-6 | ) -> Optional[_MapperConfig]:
manager = attributes.opt_manager_of_class(cls)
if manager and manager.class_ is cls_:
raise exc.InvalidRequestError(
f"Class {cls!r} already has been instrumented declaratively"
)
if cls_.__dict__.get("__abstract__", False):
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-7 | "Mapper." % self.cls
)
def set_cls_attribute(self, attrname: str, value: _T) -> _T:
manager = instrumentation.manager_of_class(self.cls)
manager.install_member(attrname, value)
return value
def map(self, mapper_kw: _MapperKwArgs = ...) -> Mapper[Any]:
raise NotImp... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-8 | inherits = mapper_kw.get("inherits", None)
if inherits is None:
# since we search for classical mappings now, search for
# multiple mapped bases as well and raise an error.
inherits_search = []
for base_ in cls.__bases__:
c = _resolve_for_abstract_... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-9 | "allow_dataclass_fields",
"dataclass_setup_arguments",
"is_dataclass_prior_to_mapping",
"allow_unmapped_annotations",
)
is_deferred = False
registry: _RegistryType
clsdict_view: _ClassDict
collected_annotations: Dict[str, _CollectedAnnotation]
collected_attributes: Dict[s... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-10 | cls_: Type[_O],
dict_: _ClassDict,
table: Optional[FromClause],
mapper_kw: _MapperKwArgs,
):
# grab class dict before the instrumentation manager has been added.
# reduces cycles
self.clsdict_view = (
util.immutabledict(dict_) if dict_ else util.EMPTY_DICT... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-11 | "SQLAlchemy mapped dataclasses can't consume mapping "
"information from dataclass.Field() objects if the immediate "
"class is not already a dataclass."
)
# if already a dataclass, and __sa_dataclass_metadata_key__ present,
# then also look inside of dataclas... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-12 | ) -> Callable[[str, Any], bool]:
"""Produce a function that checks if a class has overridden an
attribute, taking SQLAlchemy-enabled dataclass fields into account.
"""
if self.allow_dataclass_fields:
sa_dataclass_metadata_key = _get_immediate_cls_attr(
cls, "_... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-13 | ret = getattr(cls, key, obj)
if ret is obj:
return False
# for dataclasses, this could be the
# 'default' of the field. so filter more specifically
# for an already-mapped InstrumentedAttribute
if ret is not absent and ... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-14 | cls, "__sa_dataclass_metadata_key__"
)
else:
sa_dataclass_metadata_key = None
if not sa_dataclass_metadata_key:
def local_attributes_for_class() -> (
Iterable[Tuple[str, Any, Any, bool]]
):
return (
(
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-15 | attribute_is_overridden = self._cls_attr_override_checker(self.cls)
bases = []
for base in cls.__mro__:
# collect bases and make sure standalone columns are copied
# to be the column they will ultimately be on the class,
# so that declared_attr functions use the right... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-16 | check_decl = _check_declared_props_nocascade(
obj, name, cls
)
if not mapper_args_fn and (
not class_mapped or check_decl
):
# don't even invoke __mapper_args__ unt... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-17 | util.warn(
"Regular (i.e. not __special__) "
"attribute '%s.%s' uses @declared_attr, "
"but owning class %s is mapped - "
"not applying to subclass %s."
% (base.__name__, name, bas... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-18 | "skipping" % (name, cls)
)
collected_attributes[name] = column_copies[
obj
] = ret = obj.__get__(obj, cls)
setattr(cls, name, ret)
else:
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-19 | self._collect_annotation(
name,
obj._collect_return_annotation(),
base,
True,
obj,
)
elif _is_mapped_annotation(annotation, cls, base):
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-20 | name, annotation, base, None, obj
)
is_mapped = (
collected_annotation is not None
and collected_annotation.mapped_container is not None
)
generated_obj = (
collected_a... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-21 | def _allow_dataclass_field(
key: str, originating_class: Type[Any]
) -> bool:
if (
originating_class is not self.cls
and "__dataclass_fields__" not in originating_class.__dict__
):
warn_for_non_dc_attrs[originating_class].append... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-22 | )
]
if warn_for_non_dc_attrs:
for (
originating_class,
non_dc_attrs,
) in warn_for_non_dc_attrs.items():
util.warn_deprecated(
f"When transforming {self.cls} to a dataclass, "
f"attribute(s) "... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-23 | cls_annotations = util.get_annotations(klass)
new_anno = {}
for name, annotation in cls_annotations.items():
if _is_mapped_annotation(annotation, klass, klass):
extracted = _extract_mapped_subtype(
annotation,
klass,
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-24 | if v is not _NoArg.NO_ARG and k != "dataclass_callable"
},
)
except (TypeError, ValueError) as ex:
raise exc.InvalidRequestError(
f"Python dataclasses error encountered when creating "
f"dataclass for {klass.__name__!r}: "
f... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-25 | attr_value: Any,
) -> Optional[_CollectedAnnotation]:
if name in self.collected_annotations:
return self.collected_annotations[name]
if raw_annotation is None:
return None
is_dataclass = self.is_dataclass_prior_to_mapping
allow_unmapped = self.allow_unmapped_a... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-26 | if isinstance(elem, _IntrospectsAnnotations):
attr_value = elem.found_in_pep593_annotated()
self.collected_annotations[name] = ca = _CollectedAnnotation(
raw_annotation,
mapped_container,
extracted_mapped_annotation,
is_dataclass,
a... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-27 | and obj is None
and _is_mapped_annotation(annotation, cls, originating_class)
):
# obj is None means this is the annotation only path
if attribute_is_overridden(name, obj):
# perform same "overridden" check as we do for
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-28 | if (
fk._table_column is not None
and fk._table_column.table is None
):
raise exc.InvalidRequestError(
"Columns with foreign keys to "
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-29 | "Use of @declared_attr.cascading only applies to "
"Declarative 'mixin' and 'abstract' classes. "
"Currently, this flag is ignored on mapped class "
"%s" % self.cls
)
value = getattr(cls, k)
elif (
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-30 | if not late_mapped:
setattr(cls, k, value)
continue
# we expect to see the name 'metadata' in some valid cases;
# however at this point we see it's assigned to something trying
# to be mapped, so raise for that.
# TODO: should "registry... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-31 | # assignment
or allow_unmapped_annotations
):
try:
value.declarative_scan(
self,
self.registry,
cls,
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-32 | f"class does not specify "
"SQLAlchemy native dataclass configuration."
)
if not isinstance(value, (MapperProperty, _MapsColumns)):
# filter for _DCAttributeOptions objects that aren't
# MapperPropert... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-33 | if not isinstance(c, CompositeProperty):
name_to_prop_key[col.name].add(key)
declared_columns.add(col)
# we would assert this, however we want the below
# warning to take effect instead. See #9630
# assert col not i... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-34 | % (self.classname, name, (", ".join(sorted(keys))))
)
def _setup_table(self, table: Optional[FromClause] = None) -> None:
cls = self.cls
cls_as_Decl = cast("MappedClassProtocol[Any]", cls)
tablename = self.tablename
table_args = self.table_args
clsdict_view = ... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-35 | )
table = self.set_cls_attribute(
"__table__",
table_cls(
tablename,
self._metadata_for_cls(manager),
*sorted_columns,
*args,
**table_kw,
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-36 | % (cls, inherits_search)
)
inherits = inherits_search[0]
elif isinstance(inherits, Mapper):
inherits = inherits.class_
self.inherits = inherits
clsdict_view = self.clsdict_view
if "__table__" not in clsdict_view and self.tablename is None:
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-37 | f"Can't declare columns on single-table-inherited "
f"subclass {self.cls}; superclass {self.inherits} "
"is not mapped to a Table"
)
for col in declared_columns:
assert inherited_table is not None
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-38 | # than the original columns from any mixins
for k in ("version_id_col", "polymorphic_on"):
if k in mapper_args:
v = mapper_args[k]
mapper_args[k] = self.column_copies.get(v, v)
if "primary_key" in mapper_args:
mapper_args["primary_key"] = [
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-39 | }.union(inherited_mapper.exclude_properties or ())
exclude_properties.difference_update(
[c.key for c in self.declared_columns]
)
# look through columns in the current mapper that
# are keyed to a propname different than the colname
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-40 | def _as_dc_declaredattr(
field_metadata: Mapping[str, Any], sa_dataclass_metadata_key: str
) -> Any:
# wrap lambdas inside dataclass fields inside an ad-hoc declared_attr.
# we can't write it because field.metadata is immutable :( so we have
# to go through extra trouble to compare these
decl_api = ... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-41 | # 2.6 fails on weakref if class_ is an old style class
return isinstance(class_, type) and weakref.ref(class_) in cls._configs
@classmethod
def raise_unmapped_for_cls(cls, class_: Type[Any]) -> NoReturn:
if hasattr(class_, "_sa_raise_deferred_config"):
class_._sa_raise_deferred_confi... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-42 | )
return list(topological.sort(tuples, classes_for_base))
def map(self, mapper_kw: _MapperKwArgs = util.EMPTY_DICT) -> Mapper[Any]:
self._configs.pop(self._cls, None)
return super().map(mapper_kw)
def _add_attribute(
cls: Type[Any], key: str, value: MapperProperty[Any]
) -> None:
"""... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-43 | if mp:
mapped_cls.__mapper__.add_property(key, mp)
elif isinstance(value, MapperProperty):
mapped_cls.__mapper__.add_property(key, value)
elif isinstance(value, QueryableAttribute) and value.key != key:
# detect a QueryableAttribute that's already mapped being
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
a5972cc239fa-44 | values in ``kwargs``.
Only keys that are present as
attributes of the instance's class are allowed. These could be,
for example, any mapped columns or relationships.
"""
cls_ = type(self)
for k in kwargs:
if not hasattr(cls_, k):
raise TypeError(
"%r is an inv... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/decl_base.html |
e415edc200d2-0 | Source code for sqlalchemy.orm.instrumentation
# orm/instrumentation.py
# Copyright (C) 2005-2023 the SQLAlchemy authors and contributors
# <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
# the MIT License: https://www.opensource.org/licenses/mit-license.php
# mypy: allow-untyped-defs, al... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/instrumentation.html |
e415edc200d2-1 | from . import interfaces
from . import state
from ._typing import _O
from .attributes import _is_collection_attribute_impl
from .. import util
from ..event import EventTarget
from ..util import HasMemoized
from ..util.typing import Literal
from ..util.typing import Protocol
if TYPE_CHECKING:
from ._typing import _R... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/instrumentation.html |
e415edc200d2-2 | init_method: Optional[Callable[..., None]]
original_init: Optional[Callable[..., None]] = None
factory: Optional[_ManagerFactory]
declarative_scan: Optional[weakref.ref[_MapperConfig]] = None
registry: _RegistryType
if not TYPE_CHECKING:
# starts as None during setup
registry = None
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/instrumentation.html |
e415edc200d2-3 | self.update(base_)
cast(
"InstanceEvents", self.dispatch._events
)._new_classmanager_instance(class_, self)
for basecls in class_.__mro__:
mgr = opt_manager_of_class(basecls)
if mgr is not None:
self.dispatch._update(mgr.dispatch)
self.... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/instrumentation.html |
e415edc200d2-4 | self.init_method
if self.init_method is not None
and self.class_.__init__ is object.__init__
else self.class_.__init__
)
if finalize and not self._finalized:
self._finalize()
def _finalize(self) -> None:
if self._finalized:
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/instrumentation.html |
e415edc200d2-5 | def _all_sqla_attributes(self, exclude=None):
"""return an iterator of all classbound attributes that are
implement :class:`.InspectionAttr`.
This includes :class:`.QueryableAttribute` as well as extension
types such as :class:`.hybrid_property` and
:class:`.AssociationProxy`.
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/instrumentation.html |
e415edc200d2-6 | i.e. has an impl.
"""
return key in self and self[key].impl is not None
def _subclass_manager(self, cls: Type[_T]) -> ClassManager[_T]:
"""Create a new ClassManager for a subclass of this ClassManager's
class.
This is called automatically when attributes are instrumented so t... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/instrumentation.html |
e415edc200d2-7 | def instrument_attribute(
self,
key: str,
inst: QueryableAttribute[Any],
propagated: bool = False,
) -> None:
if propagated:
if key in self.local_attrs:
return # don't override local attr with inherited attr
else:
self.local_at... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/instrumentation.html |
e415edc200d2-8 | for key in list(self.originals):
self.uninstall_member(key)
self.mapper = None
self.dispatch = None # type: ignore
self.new_init = None
self.info.clear()
for key in list(self):
if key in self.local_attrs:
self.uninstrument_attribute(key)
... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/instrumentation.html |
e415edc200d2-9 | ) -> _CollectionFactoryType:
return collections.prepare_instrumentation(collection_class)
def initialize_collection(
self,
key: str,
state: InstanceState[_O],
factory: _CollectionFactoryType,
) -> Tuple[collections.CollectionAdapter, _AdaptedCollectionProtocol]:
u... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/instrumentation.html |
e415edc200d2-10 | if state is None:
state = self._state_constructor(instance, self)
self._state_setter(instance, state)
def teardown_instance(self, instance: _O) -> None:
delattr(instance, self.STATE_ATTR)
def _serialize(
self, state: InstanceState[_O], state_dict: Dict[str, Any]
) -> _Ser... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/instrumentation.html |
e415edc200d2-11 | def __bool__(self) -> bool:
"""All ClassManagers are non-zero regardless of attribute state."""
return True
def __repr__(self) -> str:
return "<%s of %r at %x>" % (
self.__class__.__name__,
self.class_,
id(self),
)
class _SerializeManager:
"""P... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/instrumentation.html |
e415edc200d2-12 | """Factory for new ClassManager instances."""
dispatch: dispatcher[InstrumentationFactory]
def create_manager_for_cls(self, class_: Type[_O]) -> ClassManager[_O]:
assert class_ is not None
assert opt_manager_of_class(class_) is None
# give a more complicated subclass
# a chance t... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/instrumentation.html |
e415edc200d2-13 | manager_of_class = _default_manager_getter = base.manager_of_class
opt_manager_of_class = _default_opt_manager_getter = base.opt_manager_of_class
def register_class(
class_: Type[_O],
finalize: bool = True,
mapper: Optional[Mapper[_O]] = None,
registry: Optional[_RegistryType] = None,
declarative_sc... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/instrumentation.html |
e415edc200d2-14 | # TODO: we should use the ClassManager's notion of the
# original '__init__' method, once ClassManager is fixed
# to always reference that.
if original_init is None:
original_init = class_.__init__
# Go through some effort here and don't change the user's __init__
# calling signature, includ... | lang/api.python.langchain.com/en/latest/_modules/sqlalchemy/orm/instrumentation.html |
bcf74a8f2b9d-0 | Source code for html.parser
"""A parser for HTML and XHTML."""
# This file is based on sgmllib.py, but the API is slightly different.
# XXX There should be a way to distinguish between PCDATA (parsed
# character data -- the normal case), RCDATA (replaceable character
# data -- only char and entity references and end ta... | lang/api.python.langchain.com/en/latest/_modules/html/parser.html |
bcf74a8f2b9d-1 | attrfind_tolerant = re.compile(
r'((?<=[\'"\s/])[^\s/>][^\s/=>]*)(\s*=+\s*'
r'(\'[^\']*\'|"[^"]*"|(?![\'"])[^>\s]*))?(?:\s|/(?!>))*')
locatestarttagend_tolerant = re.compile(r"""
<[a-zA-Z][^\t\n\r\f />\x00]* # tag name
(?:[\s/]* # optional whitespace before attribute name
... | lang/api.python.langchain.com/en/latest/_modules/html/parser.html |
bcf74a8f2b9d-2 | p.close()
Start tags are handled by calling self.handle_starttag() or
self.handle_startendtag(); end tags by self.handle_endtag(). The
data between tags is passed from the parser to the derived class
by calling self.handle_data() with the data as argument (the data
may be split up in arbitrary chun... | lang/api.python.langchain.com/en/latest/_modules/html/parser.html |
bcf74a8f2b9d-3 | self.goahead(1)
__starttag_text = None
def get_starttag_text(self):
"""Return full source of start tag: '<...>'."""
return self.__starttag_text
def set_cdata_mode(self, elem):
self.cdata_elem = elem.lower()
self.interesting = re.compile(r'</\s*%s\s*>' % self.cdata_elem, re.I)... | lang/api.python.langchain.com/en/latest/_modules/html/parser.html |
bcf74a8f2b9d-4 | not re.compile(r'[\s;]').search(rawdata, amppos)):
break # wait till we get all the text
j = n
else:
match = self.interesting.search(rawdata, i) # < or &
if match:
j = match.start()
else:
... | lang/api.python.langchain.com/en/latest/_modules/html/parser.html |
bcf74a8f2b9d-5 | k = i + 1
else:
k += 1
if self.convert_charrefs and not self.cdata_elem:
self.handle_data(unescape(rawdata[i:k]))
else:
self.handle_data(rawdata[i:k])
i = self.updatepos(i,... | lang/api.python.langchain.com/en/latest/_modules/html/parser.html |
bcf74a8f2b9d-6 | # not the end of the buffer, and can't be confused
# with some other construct
self.handle_data("&")
i = self.updatepos(i, i + 1)
else:
break
else:
assert 0, "interesting.search() lied"
# ... | lang/api.python.langchain.com/en/latest/_modules/html/parser.html |
bcf74a8f2b9d-7 | else:
return self.parse_bogus_comment(i)
# Internal -- parse bogus comment, return length or -1 if not terminated
# see http://www.w3.org/TR/html5/tokenization.html#bogus-comment-state
def parse_bogus_comment(self, i, report=1):
rawdata = self.rawdata
assert rawdata[i:i+2] in ('<... | lang/api.python.langchain.com/en/latest/_modules/html/parser.html |
bcf74a8f2b9d-8 | match = tagfind_tolerant.match(rawdata, i+1)
assert match, 'unexpected call to parse_starttag()'
k = match.end()
self.lasttag = tag = match.group(1).lower()
while k < endpos:
m = attrfind_tolerant.match(rawdata, k)
if not m:
break
attrn... | lang/api.python.langchain.com/en/latest/_modules/html/parser.html |
bcf74a8f2b9d-9 | j = m.end()
next = rawdata[j:j+1]
if next == ">":
return j + 1
if next == "/":
if rawdata.startswith("/>", j):
return j + 2
if rawdata.startswith("/", j):
# buffer boundary
ret... | lang/api.python.langchain.com/en/latest/_modules/html/parser.html |
bcf74a8f2b9d-10 | if not namematch:
# w3.org/TR/html5/tokenization.html#end-tag-open-state
if rawdata[i:i+3] == '</>':
return i+3
else:
return self.parse_bogus_comment(i)
tagname = namematch.group(1).lower()
# consume and igno... | lang/api.python.langchain.com/en/latest/_modules/html/parser.html |
bcf74a8f2b9d-11 | pass
# Overridable -- handle data
def handle_data(self, data):
pass
# Overridable -- handle comment
def handle_comment(self, data):
pass
# Overridable -- handle declaration
def handle_decl(self, decl):
pass
# Overridable -- handle processing instruction
def handle... | lang/api.python.langchain.com/en/latest/_modules/html/parser.html |
229dac6b9424-0 | Source code for langchain_experimental.utilities.python
import functools
import logging
import multiprocessing
import sys
from io import StringIO
from typing import Dict, Optional
from langchain.pydantic_v1 import BaseModel, Field
logger = logging.getLogger(__name__)
@functools.lru_cache(maxsize=None)
def warn_once() -... | lang/api.python.langchain.com/en/latest/_modules/langchain_experimental/utilities/python.html |
229dac6b9424-1 | # create a Process
p = multiprocessing.Process(
target=self.worker, args=(command, self.globals, self.locals, queue)
)
# start it
p.start()
# wait for the process to finish or kill it after timeout seconds
p.join(timeout)
... | lang/api.python.langchain.com/en/latest/_modules/langchain_experimental/utilities/python.html |
3520f0278269-0 | Source code for langchain_experimental.pal_chain.base
"""Implements Program-Aided Language Models.
This module implements the Program-Aided Language Models (PAL) for generating code
solutions. PAL is a technique described in the paper "Program-Aided Language Models"
(https://arxiv.org/pdf/2211.10435.pdf).
"""
from __fu... | lang/api.python.langchain.com/en/latest/_modules/langchain_experimental/pal_chain/base.html |
3520f0278269-1 | Must be one of PALValidation.SOLUTION_EXPRESSION_TYPE_FUNCTION,
PALValidation.SOLUTION_EXPRESSION_TYPE_VARIABLE.
allow_imports (bool): Allow import statements.
allow_command_exec (bool): Allow using known command execution functions.
"""
self.solution_expression_n... | lang/api.python.langchain.com/en/latest/_modules/langchain_experimental/pal_chain/base.html |
3520f0278269-2 | This class implements the Program-Aided Language Models (PAL) for generating code
solutions. PAL is a technique described in the paper "Program-Aided Language Models"
(https://arxiv.org/pdf/2211.10435.pdf).
*Security note*: This class implements an AI technique that generates and evaluates
Python co... | lang/api.python.langchain.com/en/latest/_modules/langchain_experimental/pal_chain/base.html |
3520f0278269-3 | class Config:
"""Configuration for this pydantic object."""
extra = Extra.forbid
arbitrary_types_allowed = True
@property
def input_keys(self) -> List[str]:
"""Return the singular input key.
:meta private:
"""
return self.llm_chain.prompt.input_variables
... | lang/api.python.langchain.com/en/latest/_modules/langchain_experimental/pal_chain/base.html |
3520f0278269-4 | return output
[docs] @classmethod
def validate_code(cls, code: str, code_validations: PALValidation) -> None:
try:
code_tree = ast.parse(code)
except (SyntaxError, UnicodeDecodeError):
raise ValueError(f"Generated code is not valid python code: {code}")
except Type... | lang/api.python.langchain.com/en/latest/_modules/langchain_experimental/pal_chain/base.html |
3520f0278269-5 | == code_validations.solution_expression_name
):
found_solution_expr = True
if isinstance(node, ast.Import) or isinstance(node, ast.ImportFrom):
has_imports = True
if not found_solution_expr:
raise ValueError(
... | lang/api.python.langchain.com/en/latest/_modules/langchain_experimental/pal_chain/base.html |
3520f0278269-6 | """Load PAL from math prompt.
Args:
llm (BaseLanguageModel): The language model to use for generating code.
Returns:
PALChain: An instance of PALChain.
"""
llm_chain = LLMChain(llm=llm, prompt=MATH_PROMPT)
code_validations = PALValidation(
solu... | lang/api.python.langchain.com/en/latest/_modules/langchain_experimental/pal_chain/base.html |
d409db8b99c8-0 | Source code for langchain_experimental.tools.python.tool
"""A tool for running python code in a REPL."""
import ast
import asyncio
import re
import sys
from contextlib import redirect_stdout
from io import StringIO
from typing import Any, Dict, Optional, Type
from langchain.callbacks.manager import (
AsyncCallbackM... | lang/api.python.langchain.com/en/latest/_modules/langchain_experimental/tools/python/tool.html |
d409db8b99c8-1 | "with `print(...)`."
)
python_repl: PythonREPL = Field(default_factory=_get_default_python_repl)
sanitize_input: bool = True
def _run(
self,
query: str,
run_manager: Optional[CallbackManagerForToolRun] = None,
) -> Any:
"""Use the tool."""
if self.sanitize_inp... | lang/api.python.langchain.com/en/latest/_modules/langchain_experimental/tools/python/tool.html |
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