added text ai wrapper interface

Author: MarleneKress79789

doc/changes/unreleased.md

@@ -2,6 +2,10 @@
 
 ## Changes
 
+## Features
+
+* #146: Add interface for text_ai_extension_wrapper
+
 ## Security Issues
 
 * #101: Updated bucketfs-python dependency to the version 1.0.0+

exasol/nb_connector/text_ai_extension_wrapper.py

@@ -0,0 +1,69 @@
+from exasol.nb_connector.secret_store import Secrets
+from pathlib import Path
+
+LANGUAGE_ALIAS = "PYTHON3_TXAIE"
+
+LATEST_KNOWN_VERSION = "???"
+
+def deploy_licence(conf: Secrets,
+                   licence_file: Path = None,
+                   licence_content: str = None) -> None:
+    """
+    Deploys the given license and saves its identifier to the secret store. The licence can either be
+    defined by a path pointing to a licence file, or by the licence content given as a string.
+    Parameters:
+         conf:
+            The secret store.
+        licence_file:
+            Path of a licence file.
+        licence_content:
+            Content of a licence given as a string.
+
+    """
+    pass
+
+def initialize_text_ai_extension(conf: Secrets,
+                                 container_file: Path,
+                                 version: str = LATEST_KNOWN_VERSION,
+                                 language_alias: str = LANGUAGE_ALIAS,
+                                 run_deploy_container: bool = True,
+                                 run_deploy_scripts: bool = True,
+                                 run_upload_models: bool = True,
+                                 allow_override: bool = True) -> None:
+    """
+    Depending on which flags are set, runs different steps to install Text-AI Extension in the DB.
+    Possible steps:
+
+    * Call the Text-AI Extension's language container deployment API.
+    Downloads the specified released version of the extension from ???
+    and uploads it to the BucketFS.
+
+    This function doesn't activate the language container. Instead, it gets the
+    activation SQL using the same API and writes it to the secret store. The name
+    of the key is defined in the ACTIVATION_KEY constant.
+
+    * Install default transformers models into
+    the Bucketfs using Transformers Extensions upload model functionality.
+
+    * Install Text-AI specific scripts.
+
+    Parameters:
+        conf:
+            The secret store. The store must contain the DB connection parameters
+            and the parameters of the BucketFS service.
+        container_file:
+            Path pointing to the locally stored Script Language Container file for the Text-AI Extension.
+        version:
+            Text-AI extension version.
+        language_alias:
+            The language alias of the extension's language container.
+        run_deploy_container:
+            If True runs deployment of the locally stored Script Language Container file for the Text-AI Extension.
+        run_deploy_scripts:
+            If True runs deployment of Text-AI Extension scripts.
+        run_upload_models:
+            If True uploads default Transformers models to the BucketFS.
+        allow_override:
+            If True allows overriding the language definition.
+    """
+    pass