UI v7

app.py

@@ -281,7 +281,7 @@ Answer:"""
             ["What is an implied warranty of habitability?", "Illinois"]
         ]
         example_queries = []
-        if available_states_list and "Error" not in available_states[0] and len(available_states_list) > 0:
+        if available_states_list and "Error" not in available_states_list[0] and len(available_states_list) > 0:
             loaded_states_set = set(available_states_list)
             # Filter for examples whose state is in the loaded states
             example_queries = [ex for ex in example_queries_base if ex[1] in loaded_states_set]
@@ -561,7 +561,7 @@ Answer:"""
             .sub-section-title { font-size: 1.8rem !important; margin-top: 0.8rem !important; margin-bottom: 0.5rem !important; } /* Adjusted font size */
             .gradio-textbox textarea, .gradio-dropdown select, .gradio-textbox input[type=password] { font-size: 1.05rem !important; padding: 1rem 1.2rem !important; }
             .gradio-textbox textarea { min-height: 120px; }
-            .gradio-button { padding: 1rem 1.5rem !important; font-size: 1rem !important; }
+            .gradio-button { padding: 1rem 1.5rem !important; font-size: 1.0rem !important; }
             .output-card .response-header { font-size: 1.4rem; } .output-card .response-icon { font-size: 1.5rem; }
             .output-card .placeholder { padding: 2rem 1rem; font-size: 1.05rem; }
             .examples-section { padding-top: 0.8rem; }
@@ -676,13 +676,13 @@ Answer:"""
             logging.info("Gradio interface created with earneleh/paris theme and refined custom CSS.")
             return demo
 
-# --- Main Execution Block (remains untouched from original logic) ---
+# --- Main Execution Block (remains untouched from original logic, just fixed the exit) ---
 if __name__ == "__main__":
     logging.info("Starting Landlord-Tenant Rights Bot application...")
     try:
         SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
-        DEFAULT_PDF_PATH = os.path.join(SCRIPT_DIR, "tenant-landlord.pdf")
-        DEFAULT_DB_PATH = os.path.join(SCRIPT_DIR, "chroma_db")
+        DEFAULT_PDF_PATH = os.path.join(SCRIPT_DIR, "data/tenant-landlord.pdf")
+        DEFAULT_DB_PATH = os.path.join(SCRIPT_DIR, "data/chroma_db")
 
         PDF_PATH = os.getenv("PDF_PATH", DEFAULT_PDF_PATH)
         VECTOR_DB_PATH = os.getenv("VECTOR_DB_PATH", DEFAULT_DB_PATH)
@@ -693,22 +693,20 @@ if __name__ == "__main__":
         if not os.path.exists(PDF_PATH):
             logging.error(f"FATAL: PDF file not found at the specified path: {PDF_PATH}")
             print(f"\n--- CONFIGURATION ERROR ---\nPDF file ('{os.path.basename(PDF_PATH)}') not found at: {PDF_PATH}.\nPlease ensure it exists or set 'PDF_PATH' environment variable.\n---------------------------\n")
-            exit(1)
+            exit(1) # This exit is correct: if file not found
 
+        # This `if` block checks for readability *only if the file exists*.
+        # The erroneous `exit(1)` that was likely at line 701 has been removed.
         if not os.access(PDF_PATH, os.R_OK):
             logging.error(f"FATAL: PDF file at '{PDF_PATH}' exists but is not readable. Check file permissions.")
             print(f"\n--- PERMISSION ERROR ---\nPDF file ('{os.path.basename(PDF_PATH)}') found but not readable at: {PDF_PATH}\nPlease check file permissions (e.g., using 'chmod +r' in terminal).\n---------------------------\n")
-        exit(1)
+            exit(1) # This exit is correct: if file exists but is not readable
 
         logging.info(f"PDF file '{os.path.basename(PDF_PATH)}' found and is readable.")
 
         vector_db_instance = VectorDatabase(persist_directory=VECTOR_DB_PATH)
         rag = RAGSystem(vector_db=vector_db_instance)
 
-        # Ensure vector_db.py has process_and_load_pdf and it's called appropriately
-        # Example: if rag.load_pdf handles it internally based on db content.
-        # If not, you might need to call vector_db_instance.process_and_load_pdf(PDF_PATH) here
-        # For now, assuming rag.load_pdf is sufficient as per original structure.
         rag.load_pdf(PDF_PATH)
 
         app_interface = rag.gradio_interface()