Fixed cache directory permissions for language tool

HTR/spell_and_gramer_check.py

@@ -1,7 +1,14 @@
+import os
 import language_tool_python
+from pathlib import Path
 from spellchecker import SpellChecker
   
-tool = language_tool_python.LanguageTool('en-US') 
+# Use the cache directory from environment variable
+cache_dir = os.getenv('LANGUAGE_TOOL_CACHE_DIR', '/tmp/language_tool')
+os.makedirs(cache_dir, exist_ok=True)
+
+# Initialize LanguageTool with the cache directory
+tool = language_tool_python.LanguageTool('en-US', cache_dir=cache_dir)
 
 def check_grammar(answer):
   

main.py

@@ -1,9 +1,12 @@
 import os
 import tempfile
 
-# Set up cache directory before any model imports
-os.environ['TRANSFORMERS_CACHE'] = tempfile.gettempdir()
-os.environ['HF_HOME'] = tempfile.gettempdir()
+# Create a writable cache directory in /tmp
+cache_dir = tempfile.mkdtemp()
+os.environ['TRANSFORMERS_CACHE'] = cache_dir
+os.environ['HF_HOME'] = cache_dir
+# Set language tool cache directory
+os.environ['LANGUAGE_TOOL_CACHE_DIR'] = cache_dir
 
 from flask import Flask, request, jsonify, render_template
 import json