Add GetFileAtCommit class for get_file_at_commit function with JSON definition

tools/github_tool_functions/get_file_at_commit.py

@@ -0,0 +1,67 @@
+import base64
+import requests
+import logging
+
+class GetFileAtCommit:
+    def __init__(self, base_url, token, repo):
+        self.base_url = base_url
+        self.headers = {
+            "Authorization": f"token {token}",
+            "Accept": "application/vnd.github.v3+json"
+        }
+        self.repo = repo
+
+        # Set up logging
+        self.logger = logging.getLogger(__name__)
+        self.logger.setLevel(logging.INFO)
+        
+        # Create a file handler
+        file_handler = logging.FileHandler('get_file_at_commit.log')
+        file_handler.setLevel(logging.INFO)
+        
+        # Create a console handler
+        console_handler = logging.StreamHandler()
+        console_handler.setLevel(logging.INFO)
+        
+        # Create a formatting for the logs
+        formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
+        file_handler.setFormatter(formatter)
+        console_handler.setFormatter(formatter)
+        
+        # Add the handlers to the logger
+        self.logger.addHandler(file_handler)
+        self.logger.addHandler(console_handler)
+
+    def __call__(self, file_path, commit_sha):
+        self.logger.info(f"Getting file: {file_path} at commit: {commit_sha}")
+        url = f"{self.base_url}/repos/{self.repo}/contents/{file_path}"
+        response = requests.get(url, headers=self.headers, params={"ref": commit_sha})
+        if response.status_code == 200:
+            content = response.json()["content"]
+            decoded_content = base64.b64decode(content).decode('utf-8')
+            self.logger.info(f"Successfully retrieved file at commit")
+            return decoded_content
+        else:
+            error_message = f"Error reading file at commit: {response.status_code}"
+            self.logger.error(error_message)
+            return error_message
+
+# JSON definition for the get_file_at_commit function
+get_file_at_commit_definition = {
+    "name": "get_file_at_commit",
+    "description": "Get the contents of a file at a specific commit",
+    "parameters": {
+        "type": "object",
+        "properties": {
+            "file_path": {
+                "type": "string",
+                "description": "Path to the file in the repository"
+            },
+            "commit_sha": {
+                "type": "string",
+                "description": "SHA of the commit to retrieve the file from"
+            }
+        },
+        "required": ["file_path", "commit_sha"]
+    }
+}