Add phd utils

yann_utils/phd.py

@@ -0,0 +1,29 @@
+import pandas as pd
+import subprocess
+import os
+
+def csv_to_latex_png(df, png_filename):
+    # 1. Convert the df to LaTeX table format
+    latex_code = r"""
+    \documentclass{standalone}
+    \usepackage{booktabs}
+    \begin{document}
+    """
+    latex_code += df.to_latex(index=False, escape=False)
+    latex_code += r"\end{document}"
+
+    with open("temp_table.tex", "w") as latex_file:
+        latex_file.write(latex_code)
+
+    # 2. Compile the LaTeX to produce a PDF
+    subprocess.call(["pdflatex", "-interaction=nonstopmode", "temp_table.tex"])
+
+    # 3. Convert the PDF to PNG
+    subprocess.call(["pdftoppm", "-png", "temp_table.pdf", "temp_table"])
+
+    # Rename to the desired png filename
+    os.rename("temp_table-1.png", png_filename)
+
+    # Clean up intermediate files
+    for ext in [".tex", ".aux", ".log", ".pdf"]:
+        os.remove("temp_table" + ext)