Update app.py

app.py

@@ -38,6 +38,9 @@ def create_manim_script(problem_data, script_path):
     if not slides:
         raise ValueError("No slides provided in input data")
     
+    # Properly escape slides for Python code generation
+    slides_repr = repr(slides)  # This handles all escaping correctly
+    
     manim_code = f'''
 from manim import *
 
@@ -57,7 +60,7 @@ class GeneratedMathScene(Scene):
         line_spacing = 0.8
         screen_bottom = -3.5
         
-        slides = {json.dumps(slides)}
+        slides = {slides_repr}
         
         for idx, slide in enumerate(slides):
             obj = None
@@ -78,6 +81,7 @@ class GeneratedMathScene(Scene):
                 obj = Text(content, color=default_color, font=default_font, font_size=text_size)
             
             elif slide_type == "equation":
+                # Use raw string for LaTeX to preserve backslashes
                 obj = MathTex(content, color=default_color, font_size=equation_size)
             
             if obj:
@@ -111,8 +115,11 @@ class GeneratedMathScene(Scene):
             self.wait(1.5)
 '''
     
-    with open(script_path, 'w') as f:
+    with open(script_path, 'w', encoding='utf-8') as f:
         f.write(manim_code)
+    
+    print(f"Generated script preview (first 500 chars):
+{manim_code[:500]}...")
 
 @app.route("/")
 def home():