def check_make():
"""Checks make."""
if which('make') is None:
error("Cannot find 'make'.")
# Test make from the shell
try:
subprocess.check_output(['make', '--version'])
except (FileNotFoundError, subprocess.CalledProcessError) as e:
msg = """
Call to 'make' failed. Please submit an Issue to
https://github.com/tomduck/bassclef."""
error(msg, e)
def check_pandoc():
"""Checks pandoc."""
if which('pandoc') is None:
errormsg = """
Cannot find 'pandoc'. To download pandoc, see:
https://github.com/jgm/pandoc/releases/latest"""
error(textwrap.dedent(errormsg))
try:
subprocess.check_output(['pandoc', '--version'])
except (FileNotFoundError, subprocess.CalledProcessError) as e:
msg = """
Call to 'pandoc' failed. Please submit an Issue to
https://github.com/tomduck/bassclef."""
error(msg, e)
def check_convert():
"""Checks ImageMagick convert."""
errormsg = """
Cannot find ImageMagick 'convert'. To download ImageMagick, see:
https://www.imagemagick.org/script/binary-releases.php"""
if which('convert') is None:
error(errormsg)
try:
output = subprocess.check_output(['convert', '--version'])
output = output.decode(encoding='UTF-8')
except (FileNotFoundError, subprocess.CalledProcessError) as e:
msg = """
Call to 'convert' failed. Please submit an Issue to
https://github.com/tomduck/bassclef."""
error(msg, e)
if not 'ImageMagick' in output: # It must be a different 'convert'
error(errormsg)