build_file_for_mk4ht.mk4

Make:image("png$",
"dvipng -bg Transparent -T tight -x 1400 -o ${output}  -pp ${page} ${source}")
Make:match("html$", "tidy -m -xml -utf8 -q -i ${filename}")

Context.sublime-menu

[
    {
        "caption": "Export html from latex",
        "command": "htlatex"
    }
]

hlatex.py

import sublime
import sublime_plugin
import os
import subprocess
import threading


class HtlatexCommand(sublime_plugin.TextCommand):

    def run(self, edit, filename=None):
        filename = self.view.file_name()
        th = HtlatexThread(filename)
        if not filename is None and \
                os.path.splitext(filename)[1] == '.tex':
            th.start()


class HtlatexThread(threading.Thread):

    def __init__(self, filename=None):
        self.filename = filename
        threading.Thread.__init__(self)

    def run(self):
        first_dir = os.path.abspath(os.getcwd())
        new_file_with_dir = os.path.abspath(self.filename)
        new_dir = os.path.dirname(new_file_with_dir)
        filename = os.path.basename(new_file_with_dir)
        os.chdir(new_dir)
        makefile = [x for x in os.listdir(new_dir) if \
            os.path.splitext(x)[-1]=='.mk4']
        if filename is not None and \
                os.path.splitext(filename)[-1] == '.tex':
            if len(makefile) > 0:
                subprocess.Popen(['make4ht', filename, '-e', makefile[0]])
            else:
                subprocess.Popen(['make4ht', filename])
        else:
            pass
        os.chdir(first_dir)

Python.sublime-build

{
	"cmd": ["python", "-u", "$file"],
	"file_regex": "^[ ]*File \"(...*?)\", line ([0-9]*)",
	"selector": "source.python",
    "shell":"true"
}