Fixed Office365 tool __init__.py files, tests, and get_tools() function (#7046)

## Description
Added Office365 tool modules to `__init__.py` files
## Issue
As described in Issue
https://github.com/hwchase17/langchain/issues/6936, the Office365
toolkit can't be loaded easily because it is not included in the
`__init__.py` files.
## Reviewer
@dev2049

langchain/agents/agent_toolkits/__init__.py

@@ -12,6 +12,7 @@ from langchain.agents.agent_toolkits.jira.toolkit import JiraToolkit
 from langchain.agents.agent_toolkits.json.base import create_json_agent
 from langchain.agents.agent_toolkits.json.toolkit import JsonToolkit
 from langchain.agents.agent_toolkits.nla.toolkit import NLAToolkit
+from langchain.agents.agent_toolkits.office365.toolkit import O365Toolkit
 from langchain.agents.agent_toolkits.openapi.base import create_openapi_agent
 from langchain.agents.agent_toolkits.openapi.toolkit import OpenAPIToolkit
 from langchain.agents.agent_toolkits.pandas.base import create_pandas_dataframe_agent
@@ -64,4 +65,5 @@ __all__ = [
     "FileManagementToolkit",
     "PlayWrightBrowserToolkit",
     "AzureCognitiveServicesToolkit",
+    "O365Toolkit",
 ]

langchain/agents/agent_toolkits/office365/toolkit.py

@@ -30,9 +30,9 @@ class O365Toolkit(BaseToolkit):
     def get_tools(self) -> List[BaseTool]:
         """Get the tools in the toolkit."""
         return [
-            O365SearchEvents(account=self.account),
+            O365SearchEvents(),
-            O365CreateDraftMessage(account=self.account),
+            O365CreateDraftMessage(),
-            O365SearchEmails(account=self.account),
+            O365SearchEmails(),
-            O365SendEvent(account=self.account),
+            O365SendEvent(),
-            O365SendMessage(account=self.account),
+            O365SendMessage(),
         ]

langchain/tools/__init__.py

@@ -38,6 +38,12 @@ from langchain.tools.interaction.tool import StdInInquireTool
 from langchain.tools.jira.tool import JiraAction
 from langchain.tools.json.tool import JsonGetValueTool, JsonListKeysTool
 from langchain.tools.metaphor_search import MetaphorSearchResults
+from langchain.tools.office365.create_draft_message import O365CreateDraftMessage
+from langchain.tools.office365.events_search import O365SearchEvents
+from langchain.tools.office365.messages_search import O365SearchEmails
+from langchain.tools.office365.send_event import O365SendEvent
+from langchain.tools.office365.send_message import O365SendMessage
+from langchain.tools.office365.utils import authenticate
 from langchain.tools.openapi.utils.api_models import APIOperation
 from langchain.tools.openapi.utils.openapi_utils import OpenAPISpec
 from langchain.tools.openweathermap.tool import OpenWeatherMapQueryRun
@@ -148,6 +154,12 @@ __all__ = [
     "MoveFileTool",
     "NavigateBackTool",
     "NavigateTool",
+    "O365SearchEmails",
+    "O365SearchEvents",
+    "O365CreateDraftMessage",
+    "O365SendMessage",
+    "O365SendEvent",
+    "authenticate",
     "OpenAPISpec",
     "OpenWeatherMapQueryRun",
     "PubmedQueryRun",

tests/unit_tests/tools/test_public_api.py

@@ -55,6 +55,12 @@ _EXPECTED = [
     "MoveFileTool",
     "NavigateBackTool",
     "NavigateTool",
+    "O365SearchEmails",
+    "O365SearchEvents",
+    "O365CreateDraftMessage",
+    "O365SendMessage",
+    "O365SendEvent",
+    "authenticate",
     "OpenAPISpec",
     "OpenWeatherMapQueryRun",
     "PubmedQueryRun",

tests/unit_tests/tools/test_signatures.py

@@ -9,11 +9,16 @@ import pytest
 
 from langchain.tools.base import BaseTool
 from langchain.tools.gmail.base import GmailBaseTool
+from langchain.tools.office365.base import O365BaseTool
 from langchain.tools.playwright.base import BaseBrowserTool
 
 
 def get_non_abstract_subclasses(cls: Type[BaseTool]) -> List[Type[BaseTool]]:
-    to_skip = {BaseBrowserTool, GmailBaseTool}  # Abstract but not recognized
+    to_skip = {
+        BaseBrowserTool,
+        GmailBaseTool,
+        O365BaseTool,
+    }  # Abstract but not recognized
     subclasses = []
     for subclass in cls.__subclasses__():
         if (