used base_path for searching styles.csv

error handling

styles_csv_loader.py

@@ -1,14 +1,13 @@
 import os
 import re
+import folder_paths
 
 class StylesCSVLoader:
     """
     Loads csv file with styles. For migration purposes from automatic11111 webui.
     """
-    def __init__(self):
-        if not hasattr(self, "styles_csv"):
-            self.styles_csv = self.load_styles_csv("styles.csv")
     
+    @staticmethod
     def load_styles_csv(styles_path):
         """Loads csv file with styles. It has only one column.
         Ignore the first row (header).
@@ -18,16 +17,26 @@ class StylesCSVLoader:
         Returns:
             list: List of styles. Each style is a dict with keys: style_name and value: [positive_prompt, negative_prompt]
         """
+        styles = {"Error loading styles.csv, check the console": ["",""]}
         if not os.path.exists(styles_path):
-            return {"Paste styles.csv in ComfyUI root and press \"Refresh\"...": ["",""]} # return empty style if file does not exist
-        with open(styles_path, "r", encoding="utf-8") as f:    
-            styles = [[x.replace('"', '').replace('\n','') for x in re.split(',(?=(?:[^"]*"[^"]*")*[^"]*$)', line)] for line in f.readlines()[1:]]
-            styles = {x[0]: [x[1],x[2]] for x in styles}
+            print(f"""Error. No styles.csv found. Put your styles.csv in the root directory of ComfyUI. Then press "Refresh".
+                  Your current root directory is: {folder_paths.base_path}
+            """)
+            return styles
+        try:
+            with open(styles_path, "r", encoding="utf-8") as f:    
+                styles = [[x.replace('"', '').replace('\n','') for x in re.split(',(?=(?:[^"]*"[^"]*")*[^"]*$)', line)] for line in f.readlines()[1:]]
+                styles = {x[0]: [x[1],x[2]] for x in styles}
+        except Exception as e:
+            print(f"""Error loading styles.csv. Make sure it is in the root directory of ComfyUI. Then press "Refresh".
+                    Your current root directory is: {folder_paths.base_path}
+                    Error: {e}
+            """)
         return styles
         
     @classmethod
     def INPUT_TYPES(s):
-        s.styles_csv = s.load_styles_csv("styles.csv")
+        s.styles_csv = s.load_styles_csv(os.path.join(folder_paths.base_path, "styles.csv"))
         return {
             "required": {
                 "styles": (list(s.styles_csv.keys()),),