Add ReadFile class for read_file function

tools/github_tool_functions/read_file.py

@@ -0,0 +1,49 @@
+import base64
+import requests
+import os
+import logging
+
+class ReadFile:
+    def __init__(self, base_url, token, repo, current_branch):
+        self.base_url = base_url
+        self.headers = {
+            "Authorization": f"token {token}",
+            "Accept": "application/vnd.github.v3+json"
+        }
+        self.repo = repo
+        self.current_branch = current_branch
+
+        # Set up logging
+        self.logger = logging.getLogger(__name__)
+        self.logger.setLevel(logging.INFO)
+        
+        # Create a file handler
+        file_handler = logging.FileHandler('read_file.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, path):
+        self.logger.info(f"Reading file: {path} from branch: {self.current_branch}")
+        url = f"{self.base_url}/repos/{self.repo}/contents/{path}"
+        response = requests.get(url, headers=self.headers, params={"ref": self.current_branch})
+        if response.status_code == 200:
+            content = response.json()["content"]
+            decoded_content = base64.b64decode(content).decode('utf-8')
+            self.logger.info(f"Successfully read file: {path}")
+            return decoded_content
+        else:
+            error_message = f"Error reading file: {response.status_code}"
+            self.logger.error(error_message)
+            return error_message