CTex fontset `mac' is unavailable in current mode

I’m trying to run manim on a mac with latex installed via the Tex Live Utility. I’m trying to run old_projects/eoc/chapter1.py. Perhaps that’s not intended to work any longer.

I see this error in a tex log:

… . LaTeX info: “xparse/define-command” . . Defining command \CTeX with sig. ‘’ on line 746. …

(/usr/local/texlive/2017/texmf-dist/tex/latex/ctex/fontset/ctex-fontset-mac.def File: ctex-fontset-mac.def 2017/11/22 v2.4.11 Mac OS X fonts definition (CTEX)

!!! ! ! Critical ctex error: “fontset-unavailable” ! ! CTeX fontset `mac’ is unavailable in current mode. ! ! See the ctex documentation for further information. ! ! For immediate help type H <return>. !..

Any thoughts anyone?

[Sreejeshgnair]

For me, what helped was to replace the above with

def tex_to_dvi(tex_file):
	result = tex_file.replace(".tex", ".xdv")
	if not os.path.exists(result):
		commands = [
			"xelatex",
			"-no-pdf",
			"-interaction=batchmode",
			"-halt-on-error",
			"-output-directory=" + TEX_DIR,
			tex_file,
			">",
			get_null()
		]
		exit_code = os.system(" ".join(commands))
		if exit_code != 0:
			latex_output = ''
			log_file = tex_file.replace(".tex", ".log")
			if os.path.exists(log_file):
				with open(log_file, 'r') as f:
					latex_output = f.read()
			raise Exception(
				"Latex error converting to dvi. "
				"See log output above or the log file: %s" % log_file)
	return result

def dvi_to_svg(dvi_file, regen_if_exists = False):
	"""
	Converts a dvi, which potentially has multiple slides, into a
	directory full of enumerated pngs corresponding with these slides.
	Returns a list of PIL Image objects for these images sorted as they
	where in the dvi
	"""
	result = dvi_file.replace(".xdv", ".svg")
	if not os.path.exists(result):
	    commands = [
	        "dvisvgm",
	        dvi_file,
	        "-n",
	        "-v",
	        "0",
	        "-o",
	        result,
	        ">",
	        get_null()
	    ]
	    os.system(" ".join(commands))
	return result

what this does is forces xelatex to output an xdv that dvisvgm can then use.

[Ogofo]

What helped me to resolve this issue, was to not use CTEX. In the manim root folder you have two .tex templates. You can comment out the \usepackage[UTF8]{ctex} line and uncomment the \usepackage[utf8x]{inputenc} line. This helped me and the examples, as well as the old projects, seem to run without any latex problems.