Test optional dependencies are not required in runtime (#260)

* Test optional dependencies are not required in runtime

* Add dynamic imports to S3 tools

* Setup CI

src/crewai_tools/aws/bedrock/agents/invoke_agent_tool.py

@@ -8,10 +8,7 @@ from dotenv import load_dotenv
 
 from crewai.tools import BaseTool
 from pydantic import BaseModel, Field
-import boto3
-from botocore.exceptions import ClientError
 
-# Import custom exceptions
 from ..exceptions import BedrockAgentError, BedrockValidationError
 
 # Load environment variables from .env file
@@ -92,6 +89,12 @@ class BedrockInvokeAgentTool(BaseTool):
             raise BedrockValidationError(f"Parameter validation failed: {str(e)}")
 
     def _run(self, query: str) -> str:
+        try:
+            import boto3
+            from botocore.exceptions import ClientError
+        except ImportError:
+            raise ImportError("`boto3` package not found, please run `uv add boto3`")
+
         try:
             # Initialize the Bedrock Agent Runtime client
             bedrock_agent = boto3.client(

src/crewai_tools/aws/bedrock/knowledge_base/retriever_tool.py

@@ -5,10 +5,7 @@ from dotenv import load_dotenv
 
 from crewai.tools import BaseTool
 from pydantic import BaseModel, Field
-import boto3
-from botocore.exceptions import ClientError
 
-# Import custom exceptions
 from ..exceptions import BedrockKnowledgeBaseError, BedrockValidationError
 
 # Load environment variables from .env file
@@ -179,6 +176,12 @@ class BedrockKBRetrieverTool(BaseTool):
         return result_object
 
     def _run(self, query: str) -> str:
+        try:
+            import boto3
+            from botocore.exceptions import ClientError
+        except ImportError:
+            raise ImportError("`boto3` package not found, please run `uv add boto3`")
+
         try:
             # Initialize the Bedrock Agent Runtime client
             bedrock_agent_runtime = boto3.client(

src/crewai_tools/aws/s3/reader_tool.py

@@ -1,10 +1,8 @@
-from typing import Type
+from typing import Any, Type
 import os
 
 from crewai.tools import BaseTool
 from pydantic import BaseModel, Field
-import boto3
-from botocore.exceptions import ClientError
 
 
 class S3ReaderToolInput(BaseModel):
@@ -19,6 +17,12 @@ class S3ReaderTool(BaseTool):
     args_schema: Type[BaseModel] = S3ReaderToolInput
 
     def _run(self, file_path: str) -> str:
+        try:
+            import boto3
+            from botocore.exceptions import ClientError
+        except ImportError:
+            raise ImportError("`boto3` package not found, please run `uv add boto3`")
+
         try:
             bucket_name, object_key = self._parse_s3_path(file_path)
 

src/crewai_tools/aws/s3/writer_tool.py

@@ -1,22 +1,27 @@
-from typing import Type
+from typing import Any, Type
 import os
 
 from crewai.tools import BaseTool
 from pydantic import BaseModel, Field
-import boto3
-from botocore.exceptions import ClientError
 
 class S3WriterToolInput(BaseModel):
     """Input schema for S3WriterTool."""
     file_path: str = Field(..., description="S3 file path (e.g., 's3://bucket-name/file-name')")
     content: str = Field(..., description="Content to write to the file")
 
+
 class S3WriterTool(BaseTool):
     name: str = "S3 Writer Tool"
     description: str = "Writes content to a file in Amazon S3 given an S3 file path"
     args_schema: Type[BaseModel] = S3WriterToolInput
 
     def _run(self, file_path: str, content: str) -> str:
+        try:
+            import boto3
+            from botocore.exceptions import ClientError
+        except ImportError:
+            raise ImportError("`boto3` package not found, please run `uv add boto3`")
+
         try:
             bucket_name, object_key = self._parse_s3_path(file_path)