feat: migrate weaviate connector to new framework (#3160)

### Description
Add weaviate output connector to those supported in the new v2 ingest
framework. Some fixes were needed to the upoad stager step as this was
the first connector moved over that leverages this part of the pipeline.

CHANGELOG.md

@@ -1,4 +1,4 @@
-## 0.14.5-dev6
+## 0.14.5-dev7
 
 ### Enhancements
 

unstructured/__version__.py

@@ -1 +1 @@
-__version__ = "0.14.5-dev6"  # pragma: no cover
+__version__ = "0.14.5-dev7"  # pragma: no cover

unstructured/ingest/v2/cli/base/cmd.py

@@ -74,7 +74,7 @@ class BaseCmd(ABC):
                 f"setting destination on pipeline {dest} with options: {destination_options}"
             )
             if uploader_stager := self.get_upload_stager(dest=dest, options=destination_options):
-                pipeline_kwargs["upload_stager"] = uploader_stager
+                pipeline_kwargs["stager"] = uploader_stager
             pipeline_kwargs["uploader"] = self.get_uploader(dest=dest, options=destination_options)
         else:
             # Default to local uploader
@@ -148,7 +148,7 @@ class BaseCmd(ABC):
         dest_entry = destination_registry[dest]
         upload_stager_kwargs: dict[str, Any] = {}
         if upload_stager_config_cls := dest_entry.upload_stager_config:
-            upload_stager_kwargs["config"] = extract_config(
+            upload_stager_kwargs["upload_stager_config"] = extract_config(
                 flat_data=options, config=upload_stager_config_cls
             )
         if upload_stager_cls := dest_entry.upload_stager:

unstructured/ingest/v2/cli/cmds/__init__.py

@@ -9,6 +9,7 @@ from .fsspec.gcs import gcs_dest_cmd, gcs_src_cmd
 from .fsspec.s3 import s3_dest_cmd, s3_src_cmd
 from .fsspec.sftp import sftp_dest_cmd, sftp_src_cmd
 from .local import local_dest_cmd, local_src_cmd
+from .weaviate import weaviate_dest_cmd
 
 src_cmds = [
     azure_src_cmd,
@@ -37,6 +38,7 @@ dest_cmds = [
     local_dest_cmd,
     s3_dest_cmd,
     sftp_dest_cmd,
+    weaviate_dest_cmd,
 ]
 
 duplicate_dest_names = [

unstructured/ingest/v2/cli/cmds/weaviate.py

@@ -0,0 +1,100 @@
+from dataclasses import dataclass
+
+import click
+
+from unstructured.ingest.v2.cli.base import DestCmd
+from unstructured.ingest.v2.cli.interfaces import CliConfig
+from unstructured.ingest.v2.cli.utils import DelimitedString
+from unstructured.ingest.v2.processes.connectors.weaviate import CONNECTOR_TYPE
+
+
+@dataclass
+class WeaviateCliConnectionConfig(CliConfig):
+    @staticmethod
+    def get_cli_options() -> list[click.Option]:
+        options = [
+            click.Option(
+                ["--host-url"],
+                required=True,
+                help="Weaviate instance url",
+            ),
+            click.Option(
+                ["--class-name"],
+                default=None,
+                type=str,
+                help="Name of the class to push the records into, e.g: Pdf-elements",
+            ),
+            click.Option(
+                ["--access-token"], default=None, type=str, help="Used to create the bearer token."
+            ),
+            click.Option(
+                ["--refresh-token"],
+                default=None,
+                type=str,
+                help="Will tie this value to the bearer token. If not provided, "
+                "the authentication will expire once the lifetime of the access token is up.",
+            ),
+            click.Option(
+                ["--api-key"],
+                default=None,
+                type=str,
+            ),
+            click.Option(
+                ["--client-secret"],
+                default=None,
+                type=str,
+            ),
+            click.Option(
+                ["--scope"],
+                default=None,
+                type=DelimitedString(),
+            ),
+            click.Option(
+                ["--username"],
+                default=None,
+                type=str,
+            ),
+            click.Option(
+                ["--password"],
+                default=None,
+                type=str,
+            ),
+            click.Option(
+                ["--anonymous"],
+                is_flag=True,
+                default=False,
+                type=bool,
+                help="if set, all auth values will be ignored",
+            ),
+        ]
+        return options
+
+
+@dataclass
+class WeaviateCliUploaderConfig(CliConfig):
+    @staticmethod
+    def get_cli_options() -> list[click.Option]:
+        options = [
+            click.Option(
+                ["--batch-size"],
+                default=100,
+                type=int,
+                help="Number of records per batch",
+            )
+        ]
+        return options
+
+
+@dataclass
+class WeaviateCliUploadStagerConfig(CliConfig):
+    @staticmethod
+    def get_cli_options() -> list[click.Option]:
+        return []
+
+
+weaviate_dest_cmd = DestCmd(
+    cmd_name=CONNECTOR_TYPE,
+    connection_config=WeaviateCliConnectionConfig,
+    uploader_config=WeaviateCliUploaderConfig,
+    upload_stager_config=WeaviateCliUploadStagerConfig,
+)

unstructured/ingest/v2/cli/interfaces.py

@@ -19,7 +19,6 @@ class CliConfig(ABC):
         existing_opts = []
         for param in cmd.params:
             existing_opts.extend(param.opts)
-
         for param in params:
             for opt in param.opts:
                 if opt in existing_opts:

unstructured/ingest/v2/interfaces/connector.py

@@ -1,8 +1,8 @@
 from abc import ABC
 from dataclasses import dataclass
-from typing import Any, Optional, TypeVar
+from typing import Any, TypeVar
 
-from unstructured.ingest.enhanced_dataclass import EnhancedDataClassJsonMixin, enhanced_field
+from unstructured.ingest.enhanced_dataclass import EnhancedDataClassJsonMixin
 
 
 @dataclass
@@ -16,7 +16,7 @@ AccessConfigT = TypeVar("AccessConfigT", bound=AccessConfig)
 
 @dataclass
 class ConnectionConfig(EnhancedDataClassJsonMixin):
-    access_config: Optional[AccessConfigT] = enhanced_field(sensitive=True, default=None)
+    access_config: AccessConfigT
 
     def get_access_config(self) -> dict[str, Any]:
         if not self.access_config:
@@ -29,4 +29,4 @@ ConnectionConfigT = TypeVar("ConnectionConfigT", bound=ConnectionConfig)
 
 @dataclass
 class BaseConnector(ABC):
-    connection_config: Optional[ConnectionConfigT] = None
+    connection_config: ConnectionConfigT

unstructured/ingest/v2/interfaces/downloader.py

@@ -1,5 +1,5 @@
 from abc import ABC, abstractmethod
-from dataclasses import dataclass, field
+from dataclasses import dataclass
 from pathlib import Path
 from typing import Any, Optional, TypeVar
 
@@ -19,7 +19,7 @@ DownloaderConfigT = TypeVar("DownloaderConfigT", bound=DownloaderConfig)
 
 class Downloader(BaseProcess, BaseConnector, ABC):
     connector_type: str
-    download_config: Optional[DownloaderConfigT] = field(default_factory=DownloaderConfig)
+    download_config: DownloaderConfigT
 
     @property
     def download_dir(self) -> Path:

unstructured/ingest/v2/interfaces/upload_stager.py

@@ -21,8 +21,28 @@ class UploadStager(BaseProcess, ABC):
     upload_stager_config: Optional[UploadStagerConfigT] = None
 
     @abstractmethod
-    def run(self, elements_filepath: Path, file_data: FileData, **kwargs: Any) -> Path:
+    def run(
+        self,
+        elements_filepath: Path,
+        file_data: FileData,
+        output_dir: Path,
+        output_filename: str,
+        **kwargs: Any
+    ) -> Path:
         pass
 
-    async def run_async(self, elements_filepath: Path, file_data: FileData, **kwargs: Any) -> Path:
-        return self.run(elements_filepath=elements_filepath, file_data=file_data, **kwargs)
+    async def run_async(
+        self,
+        elements_filepath: Path,
+        file_data: FileData,
+        output_dir: Path,
+        output_filename: str,
+        **kwargs: Any
+    ) -> Path:
+        return self.run(
+            elements_filepath=elements_filepath,
+            output_dir=output_dir,
+            output_filename=output_filename,
+            file_data=file_data,
+            **kwargs
+        )

unstructured/ingest/v2/interfaces/uploader.py

@@ -1,5 +1,5 @@
 from abc import ABC, abstractmethod
-from dataclasses import dataclass, field
+from dataclasses import dataclass
 from pathlib import Path
 from typing import Any, TypeVar
 
@@ -25,7 +25,7 @@ class UploadContent:
 
 @dataclass
 class Uploader(BaseProcess, BaseConnector, ABC):
-    upload_config: UploaderConfigT = field(default_factory=UploaderConfig)
+    upload_config: UploaderConfigT
 
     def is_async(self) -> bool:
         return False

unstructured/ingest/v2/pipeline/steps/stage.py

@@ -1,6 +1,8 @@
+import hashlib
+import json
 from dataclasses import dataclass
 from pathlib import Path
-from typing import TypedDict
+from typing import Optional, TypedDict
 
 from unstructured.ingest.v2.interfaces.file_data import FileData
 from unstructured.ingest.v2.interfaces.upload_stager import UploadStager
@@ -30,12 +32,16 @@ class UploadStageStep(PipelineStep):
             if self.process.upload_stager_config
             else None
         )
+        self.cache_dir.mkdir(parents=True, exist_ok=True)
         logger.info(f"Created {self.identifier} with configs: {config}")
 
     def _run(self, path: str, file_data_path: str) -> UploadStageStepResponse:
         path = Path(path)
         staged_output_path = self.process.run(
-            elements_filepath=path, file_data=FileData.from_file(path=file_data_path)
+            elements_filepath=path,
+            file_data=FileData.from_file(path=file_data_path),
+            output_dir=self.cache_dir,
+            output_filename=self.get_hash(extras=[path.name]),
         )
         return UploadStageStepResponse(file_data_path=file_data_path, path=str(staged_output_path))
 
@@ -44,10 +50,24 @@ class UploadStageStep(PipelineStep):
         if semaphore := self.context.semaphore:
             async with semaphore:
                 staged_output_path = await self.process.run_async(
-                    elements_filepath=path, file_data=FileData.from_file(path=file_data_path)
+                    elements_filepath=path,
+                    file_data=FileData.from_file(path=file_data_path),
+                    output_dir=self.cache_dir,
+                    output_filename=self.get_hash(extras=[path.name]),
                 )
         else:
             staged_output_path = await self.process.run_async(
-                elements_filepath=path, file_data=FileData.from_file(path=file_data_path)
+                elements_filepath=path,
+                file_data=FileData.from_file(path=file_data_path),
+                output_dir=self.cache_dir,
+                output_filename=self.get_hash(extras=[path.name]),
             )
         return UploadStageStepResponse(file_data_path=file_data_path, path=str(staged_output_path))
+
+    def get_hash(self, extras: Optional[list[str]]) -> str:
+        hashable_string = json.dumps(
+            self.process.upload_stager_config.to_dict(), sort_keys=True, ensure_ascii=True
+        )
+        if extras:
+            hashable_string += "".join(extras)
+        return hashlib.sha256(hashable_string.encode()).hexdigest()[:12]

unstructured/ingest/v2/processes/connectors/local.py

@@ -8,6 +8,8 @@ from typing import Any, Generator, Optional
 
 from unstructured.documents.elements import DataSourceMetadata
 from unstructured.ingest.v2.interfaces import (
+    AccessConfig,
+    ConnectionConfig,
     Downloader,
     DownloaderConfig,
     FileData,
@@ -29,6 +31,16 @@ from unstructured.ingest.v2.processes.connector_registry import (
 CONNECTOR_TYPE = "local"
 
 
+@dataclass
+class LocalAccessConfig(AccessConfig):
+    pass
+
+
+@dataclass
+class LocalConnectionConfig(ConnectionConfig):
+    access_config: LocalAccessConfig = field(default_factory=lambda: LocalAccessConfig())
+
+
 @dataclass
 class LocalIndexerConfig(IndexerConfig):
     input_path: str
@@ -43,6 +55,9 @@ class LocalIndexerConfig(IndexerConfig):
 @dataclass
 class LocalIndexer(Indexer):
     index_config: LocalIndexerConfig
+    connection_config: LocalConnectionConfig = field(
+        default_factory=lambda: LocalConnectionConfig()
+    )
     connector_type: str = CONNECTOR_TYPE
 
     def list_files(self) -> list[Path]:
@@ -115,7 +130,10 @@ class LocalDownloaderConfig(DownloaderConfig):
 @dataclass
 class LocalDownloader(Downloader):
     connector_type: str = CONNECTOR_TYPE
-    download_config: Optional[LocalDownloaderConfig] = None
+    connection_config: LocalConnectionConfig = field(
+        default_factory=lambda: LocalConnectionConfig()
+    )
+    download_config: LocalDownloaderConfig = field(default_factory=lambda: LocalDownloaderConfig())
 
     def get_download_path(self, file_data: FileData) -> Path:
         return Path(file_data.source_identifiers.fullpath)
@@ -139,7 +157,10 @@ class LocalUploaderConfig(UploaderConfig):
 
 @dataclass
 class LocalUploader(Uploader):
-    upload_config: LocalUploaderConfig = field(default_factory=LocalUploaderConfig)
+    upload_config: LocalUploaderConfig = field(default_factory=lambda: LocalUploaderConfig())
+    connection_config: LocalConnectionConfig = field(
+        default_factory=lambda: LocalConnectionConfig()
+    )
 
     def is_async(self) -> bool:
         return False

unstructured/ingest/v2/processes/connectors/weaviate.py

@@ -0,0 +1,236 @@
+import json
+from dataclasses import dataclass, field
+from datetime import date, datetime
+from pathlib import Path
+from typing import TYPE_CHECKING, Any, Optional
+
+from dateutil import parser
+
+from unstructured.ingest.enhanced_dataclass import enhanced_field
+from unstructured.ingest.v2.interfaces import (
+    AccessConfig,
+    ConnectionConfig,
+    FileData,
+    UploadContent,
+    Uploader,
+    UploaderConfig,
+    UploadStager,
+    UploadStagerConfig,
+)
+from unstructured.ingest.v2.logger import logger
+from unstructured.ingest.v2.processes.connector_registry import (
+    DestinationRegistryEntry,
+    add_destination_entry,
+)
+
+if TYPE_CHECKING:
+    from weaviate import Client
+
+CONNECTOR_TYPE = "weaviate"
+
+
+@dataclass
+class WeaviateAccessConfig(AccessConfig):
+    access_token: Optional[str]
+    api_key: Optional[str]
+    client_secret: Optional[str]
+    password: Optional[str]
+
+
+@dataclass
+class WeaviateConnectionConfig(ConnectionConfig):
+    host_url: str
+    class_name: str
+    access_config: WeaviateAccessConfig = enhanced_field(sensitive=True)
+    username: Optional[str] = None
+    anonymous: bool = False
+    scope: Optional[list[str]] = None
+    refresh_token: Optional[str] = None
+    connector_type: str = CONNECTOR_TYPE
+
+
+@dataclass
+class WeaviateUploadStagerConfig(UploadStagerConfig):
+    pass
+
+
+@dataclass
+class WeaviateUploadStager(UploadStager):
+    upload_stager_config: WeaviateUploadStagerConfig = field(
+        default_factory=lambda: WeaviateUploadStagerConfig()
+    )
+
+    @staticmethod
+    def parse_date_string(date_string: str) -> date:
+        try:
+            timestamp = float(date_string)
+            return datetime.fromtimestamp(timestamp)
+        except Exception as e:
+            logger.debug(f"date {date_string} string not a timestamp: {e}")
+        return parser.parse(date_string)
+
+    @classmethod
+    def conform_dict(cls, data: dict) -> None:
+        """
+        Updates the element dictionary to conform to the Weaviate schema
+        """
+
+        # Dict as string formatting
+        if record_locator := data.get("metadata", {}).get("data_source", {}).get("record_locator"):
+            # Explicit casting otherwise fails schema type checking
+            data["metadata"]["data_source"]["record_locator"] = str(json.dumps(record_locator))
+
+        # Array of items as string formatting
+        if points := data.get("metadata", {}).get("coordinates", {}).get("points"):
+            data["metadata"]["coordinates"]["points"] = str(json.dumps(points))
+
+        if links := data.get("metadata", {}).get("links", {}):
+            data["metadata"]["links"] = str(json.dumps(links))
+
+        if permissions_data := (
+            data.get("metadata", {}).get("data_source", {}).get("permissions_data")
+        ):
+            data["metadata"]["data_source"]["permissions_data"] = json.dumps(permissions_data)
+
+        # Datetime formatting
+        if date_created := data.get("metadata", {}).get("data_source", {}).get("date_created"):
+            data["metadata"]["data_source"]["date_created"] = cls.parse_date_string(
+                date_created
+            ).strftime(
+                "%Y-%m-%dT%H:%M:%S.%fZ",
+            )
+
+        if date_modified := data.get("metadata", {}).get("data_source", {}).get("date_modified"):
+            data["metadata"]["data_source"]["date_modified"] = cls.parse_date_string(
+                date_modified
+            ).strftime(
+                "%Y-%m-%dT%H:%M:%S.%fZ",
+            )
+
+        if date_processed := data.get("metadata", {}).get("data_source", {}).get("date_processed"):
+            data["metadata"]["data_source"]["date_processed"] = cls.parse_date_string(
+                date_processed
+            ).strftime(
+                "%Y-%m-%dT%H:%M:%S.%fZ",
+            )
+
+        if last_modified := data.get("metadata", {}).get("last_modified"):
+            data["metadata"]["last_modified"] = cls.parse_date_string(last_modified).strftime(
+                "%Y-%m-%dT%H:%M:%S.%fZ",
+            )
+
+        # String casting
+        if version := data.get("metadata", {}).get("data_source", {}).get("version"):
+            data["metadata"]["data_source"]["version"] = str(version)
+
+        if page_number := data.get("metadata", {}).get("page_number"):
+            data["metadata"]["page_number"] = str(page_number)
+
+        if regex_metadata := data.get("metadata", {}).get("regex_metadata"):
+            data["metadata"]["regex_metadata"] = str(json.dumps(regex_metadata))
+
+    def run(
+        self,
+        elements_filepath: Path,
+        file_data: FileData,
+        output_dir: Path,
+        output_filename: str,
+        **kwargs: Any,
+    ) -> Path:
+        with open(elements_filepath) as elements_file:
+            elements_contents = json.load(elements_file)
+        for element in elements_contents:
+            self.conform_dict(data=element)
+        output_path = Path(output_dir) / Path(f"{output_filename}.json")
+        with open(output_path, "w") as output_file:
+            json.dump(elements_contents, output_file)
+        return output_path
+
+
+@dataclass
+class WeaviateUploaderConfig(UploaderConfig):
+    batch_size: int = 100
+
+
+@dataclass
+class WeaviateUploader(Uploader):
+    upload_config: WeaviateUploaderConfig
+    connection_config: WeaviateConnectionConfig
+    client: Optional["Client"] = field(init=False)
+
+    def __post_init__(self):
+        from weaviate import Client
+
+        auth = self._resolve_auth_method()
+        self.client = Client(url=self.connection_config.host_url, auth_client_secret=auth)
+
+    def is_async(self) -> bool:
+        return True
+
+    def _resolve_auth_method(self):
+        access_configs = self.connection_config.access_config
+        connection_config = self.connection_config
+        if connection_config.anonymous:
+            return None
+
+        if access_configs.access_token:
+            from weaviate.auth import AuthBearerToken
+
+            return AuthBearerToken(
+                access_token=access_configs.access_token,
+                refresh_token=connection_config.refresh_token,
+            )
+        elif access_configs.api_key:
+            from weaviate.auth import AuthApiKey
+
+            return AuthApiKey(api_key=access_configs.api_key)
+        elif access_configs.client_secret:
+            from weaviate.auth import AuthClientCredentials
+
+            return AuthClientCredentials(
+                client_secret=access_configs.client_secret, scope=connection_config.scope
+            )
+        elif connection_config.username and access_configs.password:
+            from weaviate.auth import AuthClientPassword
+
+            return AuthClientPassword(
+                username=connection_config.username,
+                password=access_configs.password,
+                scope=connection_config.scope,
+            )
+        return None
+
+    def run(self, contents: list[UploadContent], **kwargs: Any) -> None:
+        raise NotImplementedError
+
+    async def run_async(self, path: Path, file_data: FileData, **kwargs: Any) -> None:
+        with open(path) as elements_file:
+            elements_dict = json.load(elements_file)
+
+        logger.info(
+            f"writing {len(elements_dict)} objects to destination "
+            f"class {self.connection_config.class_name} "
+            f"at {self.connection_config.host_url}",
+        )
+
+        self.client.batch.configure(batch_size=self.upload_config.batch_size)
+        with self.client.batch as b:
+            for e in elements_dict:
+                vector = e.pop("embeddings", None)
+                b.add_data_object(
+                    e,
+                    self.connection_config.class_name,
+                    vector=vector,
+                )
+
+
+add_destination_entry(
+    destination_type=CONNECTOR_TYPE,
+    entry=DestinationRegistryEntry(
+        connection_config=WeaviateConnectionConfig,
+        uploader=WeaviateUploader,
+        uploader_config=WeaviateUploaderConfig,
+        upload_stager=WeaviateUploadStager,
+        upload_stager_config=WeaviateUploadStagerConfig,
+    ),
+)