Startup file for IPython

00-startup.py

# The main purpose of this file is to force matplotlib to use XeLaTeX with the fonts specified. Matplotlib's default
# font handling for PDF is really bad on macOS and the file sizes end up being massive

import numpy as np
import matplotlib as mpl
import importlib

from matplotlib.backends.backend_pgf import FigureCanvasPgf # For PGF or PDF export (uses TeX to render everything, no Type 3 fonts)
mpl.backend_bases.register_backend('pdf', FigureCanvasPgf)  #
pgf_with_rc_fonts = {                                       # Comment these lines in order to go back to matplotlib's mathtex (Type 3 or Type 42 fonts)
        "font.family": "sans-serif",                        #
        "font.serif": ["TeX Gyre Pagella"],                 #
        "font.sans-serif": ["TeX Gyre Heros"],              #
        "pgf.preamble": [
            "\\usepackage{unicode-math}",
            r"\setmathfont{TeX Gyre Pagella Math}"
            ]
        }                                                   #
mpl.rcParams.update(pgf_with_rc_fonts)                      #

import matplotlib.pyplot as plt
plt.style.use('ggplot')