Update content_utils.py

content_utils.py

@@ -1512,6 +1512,24 @@ def create_pptx_file(results: List[Dict], topic: str, template_name: str,
     print(f"[PPTX] Creating file... Theme: {theme_name}")
     print(f"[PPTX] Processing {len(results)} slides")
     
+    # Helper function to convert color values to RGBColor
+    def get_rgb_color(color_value):
+        """Convert various color formats to RGBColor"""
+        if isinstance(color_value, RGBColor):
+            return color_value
+        elif isinstance(color_value, tuple) and len(color_value) == 3:
+            return RGBColor(color_value[0], color_value[1], color_value[2])
+        elif isinstance(color_value, str) and color_value.startswith('#'):
+            # Convert hex to RGB
+            hex_color = color_value.lstrip('#')
+            r = int(hex_color[0:2], 16)
+            g = int(hex_color[2:4], 16)
+            b = int(hex_color[4:6], 16)
+            return RGBColor(r, g, b)
+        else:
+            # Default color if conversion fails
+            return RGBColor(128, 128, 128)
+    
     try:
         # Create presentation (16:9 ratio)
         prs = Presentation()
@@ -1532,7 +1550,15 @@ def create_pptx_file(results: List[Dict], topic: str, template_name: str,
         }
         
         if design_themes and theme_name in design_themes:
-            theme = design_themes[theme_name]
+            raw_theme = design_themes[theme_name]
+            # Convert all color values to RGBColor objects
+            theme = {}
+            for key, value in raw_theme.items():
+                if key in ["background", "title_color", "subtitle_color", "text_color", "accent_color", "box_fill"]:
+                    theme[key] = get_rgb_color(value)
+                else:
+                    theme[key] = value
+            print(f"[PPTX] Using theme: {theme_name}")
         else:
             theme = default_theme
             print(f"[PPTX] Using default theme as {theme_name} not found")
@@ -1681,7 +1707,7 @@ def create_pptx_file(results: List[Dict], topic: str, template_name: str,
                 background = slide.background
                 fill = background.fill
                 fill.solid()
-                fill.fore_color.rgb = theme.get("background", RGBColor(250, 250, 252))
+                fill.fore_color.rgb = get_rgb_color(theme.get("background", RGBColor(250, 250, 252)))
                 
                 # Slide title background box
                 title_box_bg = slide.shapes.add_shape(
@@ -1690,7 +1716,7 @@ def create_pptx_file(results: List[Dict], topic: str, template_name: str,
                     Inches(15.4), Inches(1.0)
                 )
                 title_box_bg.fill.solid()
-                title_box_bg.fill.fore_color.rgb = theme.get("box_fill", RGBColor(255, 255, 255))
+                title_box_bg.fill.fore_color.rgb = get_rgb_color(theme.get("box_fill", RGBColor(255, 255, 255)))
                 title_box_bg.fill.transparency = 1 - theme.get("box_opacity", 0.95)
                 
                 # Shadow effect
@@ -1715,7 +1741,7 @@ def create_pptx_file(results: List[Dict], topic: str, template_name: str,
                 title_para = title_frame.paragraphs[0]
                 title_para.font.size = Pt(28)
                 title_para.font.bold = True
-                title_para.font.color.rgb = theme.get("title_color", RGBColor(33, 37, 41))
+                title_para.font.color.rgb = get_rgb_color(theme.get("title_color", RGBColor(33, 37, 41)))
                 
                 # Left text area background box
                 text_box_bg = slide.shapes.add_shape(
@@ -1724,7 +1750,7 @@ def create_pptx_file(results: List[Dict], topic: str, template_name: str,
                     Inches(7.8), Inches(6.8)
                 )
                 text_box_bg.fill.solid()
-                text_box_bg.fill.fore_color.rgb = theme.get("box_fill", RGBColor(255, 255, 255))
+                text_box_bg.fill.fore_color.rgb = get_rgb_color(theme.get("box_fill", RGBColor(255, 255, 255)))
                 text_box_bg.fill.transparency = 1 - theme.get("box_opacity", 0.95)
                 
                 if theme.get("shadow", True):
@@ -1751,7 +1777,7 @@ def create_pptx_file(results: List[Dict], topic: str, template_name: str,
                 subtitle_para.text = slide_data.get('subtitle', '')
                 subtitle_para.font.size = Pt(20)
                 subtitle_para.font.bold = True
-                subtitle_para.font.color.rgb = theme.get("subtitle_color", RGBColor(52, 58, 64))
+                subtitle_para.font.color.rgb = get_rgb_color(theme.get("subtitle_color", RGBColor(52, 58, 64)))
                 subtitle_para.space_after = Pt(20)
                 
                 # Bullet points
@@ -1762,7 +1788,7 @@ def create_pptx_file(results: List[Dict], topic: str, template_name: str,
                     clean_text = point.replace('•', '').strip()
                     p.text = clean_text
                     p.font.size = Pt(16)
-                    p.font.color.rgb = theme.get("text_color", RGBColor(73, 80, 87))
+                    p.font.color.rgb = get_rgb_color(theme.get("text_color", RGBColor(73, 80, 87)))
                     p.level = 0
                     p.space_after = Pt(12)
                     p.line_spacing = 1.5
@@ -1795,7 +1821,7 @@ def create_pptx_file(results: List[Dict], topic: str, template_name: str,
                 page_frame.text = str(i + 1)
                 page_para = page_frame.paragraphs[0]
                 page_para.font.size = Pt(12)
-                page_para.font.color.rgb = theme.get("text_color", RGBColor(73, 80, 87))
+                page_para.font.color.rgb = get_rgb_color(theme.get("text_color", RGBColor(73, 80, 87)))
                 page_para.alignment = PP_ALIGN.RIGHT
             
             # Add speaker notes
@@ -1807,6 +1833,7 @@ def create_pptx_file(results: List[Dict], topic: str, template_name: str,
         
         # Save file using tempfile for better compatibility
         import tempfile
+        import os
         timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
         filename = f"presentation_{timestamp}.pptx"