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conf_helper.py

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conf_helper.py

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from .runpython import run_cmd

def _check_cmd(cmd):

try:

stdout, _ = run_cmd(f"{cmd} --help", wait=True)

except FileNotFoundError:

return False

if cmd in stdout:

return True

return False

def has_dvipng():

"""

Checks `dvipng` is installed.

"""

return _check_cmd("dvipng")

def has_dvisvgm():

"""

Checks `dvisvgm` is installed.

"""

return _check_cmd("dvisvgm")