Add makedirs to file operations (#3289)

* Add makedirs to file operations

* Add new directory tests for file operations

* Fix wrong setUp test error

* Simplify makedirs and use correct nested path

* Fix linter error

---------

Co-authored-by: Nicholas Tindle <nick@ntindle.com>
Co-authored-by: James Collins <collijk@uw.edu>

autogpt/commands/file_operations.py

@@ -142,8 +142,7 @@ def write_to_file(filename: str, text: str) -> str:
         return "Error: File has already been updated."
     try:
         directory = os.path.dirname(filename)
-        if not os.path.exists(directory):
-            os.makedirs(directory)
+        os.makedirs(directory, exist_ok=True)
         with open(filename, "w", encoding="utf-8") as f:
             f.write(text)
         log_operation("write", filename)
@@ -167,6 +166,8 @@ def append_to_file(filename: str, text: str, should_log: bool = True) -> str:
         str: A message indicating success or failure
     """
     try:
+        directory = os.path.dirname(filename)
+        os.makedirs(directory, exist_ok=True)
         with open(filename, "a") as f:
             f.write(text)
 
@@ -236,6 +237,8 @@ def download_file(url, filename):
         filename (str): Filename to save the file as
     """
     try:
+        directory = os.path.dirname(filename)
+        os.makedirs(directory, exist_ok=True)
         message = f"{Fore.YELLOW}Downloading file from {Back.LIGHTBLUE_EX}{url}{Back.RESET}{Fore.RESET}"
         with Spinner(message) as spinner:
             session = requests.Session()