fix missing dirs

Dockerfile

@@ -13,10 +13,8 @@ ARG HF_CACHE_DIR_ARG=/app/.cache
 ENV HF_HOME=${HF_CACHE_DIR_ARG}
 ENV HF_DATASETS_CACHE=${HF_CACHE_DIR_ARG}/datasets
 ENV TRANSFORMERS_CACHE=${HF_CACHE_DIR_ARG}/transformers
-# Add other HF cache variables if needed (e.g., HUGGINGFACE_HUB_CACHE)
 
 # Create the cache directories and make them writable
-# This also creates parent directories like /app/.cache
 RUN mkdir -p ${HF_DATASETS_CACHE} && chmod -R 777 ${HF_CACHE_DIR_ARG}
 
 COPY setup.sh .
@@ -26,8 +24,9 @@ COPY src/ ./src/
 
 RUN chmod +x setup.sh && ./setup.sh
 
-# make the files
+# make the directories
 RUN mkdir -p /app/local_hf_downloads && chmod 777 /app/local_hf_downloads
+RUN mkdir -p /app/temp_dir_for_exec_code && chmod 777 /app/temp_dir_for_exec_code
 
 # Install Python dependencies
 RUN pip install --no-cache-dir -r requirements.txt

src/eval.py

@@ -151,7 +151,7 @@ def exec_code(code: str, timeout=10, modelling_language='cpmpy'):
     """
 
     # create a temp directory to store the temporary file
-    temp_dir_name = "_temp_dir_for_exec_code"
+    temp_dir_name = "temp_dir_for_exec_code"
     temp_dir = os.path.join(os.getcwd(), temp_dir_name)
     os.makedirs(temp_dir, exist_ok=True)