Update utils.py

utils.py

@@ -32,7 +32,7 @@ def generate_pdf_report(summary, screenshots, output_path):
     """
     Generate a PDF report using LaTeX with summary and embedded screenshots.
     """
-    # Create LaTeX content
+    # Define LaTeX content as a raw string to handle backslashes correctly
     latex_content = r"""
 \documentclass[a4paper,12pt]{article}
 \usepackage[utf8]{inputenc}
@@ -43,7 +43,6 @@ def generate_pdf_report(summary, screenshots, output_path):
 \usepackage{caption}
 \usepackage{subcaption}
 
-% Preamble for document setup
 \title{Road Safety Analysis Report}
 \author{Generated by Road Safety AI}
 \date{\today}
@@ -54,8 +53,8 @@ def generate_pdf_report(summary, screenshots, output_path):
 
 \section*{Analysis Summary}
 \begin{itemize}
-    % Insert summary lines dynamically
     """
+    # Add summary lines
     for line in summary.split('\n'):
         if line.strip():
             latex_content += f"\item {line.strip()}\n"
@@ -66,15 +65,16 @@ def generate_pdf_report(summary, screenshots, output_path):
 \section*{Incident Screenshots}
 \begin{figure}[h]
     \centering
-"""
+    """
 
-    for i, screenshot in enumerate(screenshots[:5]):  # Limit to 5 images
+    # Add up to 5 screenshots
+    for i, screenshot in enumerate(screenshots[:5]):
         latex_content += f"""
-    \begin{subfigure}[t]{0.45\textwidth}
-        \includegraphics[width=\textwidth]{{{screenshot}}}
-        \caption{Incident Frame {i+1}}
-    \end{subfigure}
-    """
+    \begin{{subfigure}}[t]{{0.45\\textwidth}}
+        \includegraphics[width=\\textwidth]{{{screenshot}}}
+        \caption{{Incident Frame {i+1}}}
+    \end{{subfigure}}
+        """
         if (i + 1) % 2 == 0 and i < len(screenshots) - 1:
             latex_content += r" \hfill "
 
@@ -83,7 +83,7 @@ def generate_pdf_report(summary, screenshots, output_path):
 \end{figure}
 
 \end{document}
-"""
+    """
 
     # Write LaTeX to a file
     tex_file = "templates/report.tex"