chapter 2.3

functions/get_file_content.py

@@ -0,0 +1,20 @@
+import os
+from functions.config import FILE_LENGTH_LIMIT
+
+def get_file_content(working_directory, file_path):
+    abs_working_dir = os.path.abspath(working_directory)
+    abs_file_path = os.path.abspath(os.path.join(working_directory, file_path))
+    if not abs_file_path.startswith(abs_working_dir):
+        return f'Error: Cannot read "{file_path}" as it is outside the permitted working directory'
+    if not os.path.isfile(abs_file_path):
+        return f'Error: File not found or is not a regular file: "{file_path}"'
+    try:
+        with open(abs_file_path, "r") as f:
+            content = f.read(FILE_LENGTH_LIMIT)
+            if os.path.getsize(abs_file_path) > FILE_LENGTH_LIMIT:
+                content += (
+                    f'[...File "{file_path}" truncated at {FILE_LENGTH_LIMIT} characters]'
+                )
+        return content
+    except Exception as e:
+        return f'Error reading file "{file_path}": {e}'