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# Wrapper to run Sphinx. We avoid using sphinx-build because we need to use
# the Python3 version and it's hard to ensure we find the appropriate one.
# We can't easily put this code inline in the Makefile because you can't write
# try/except on a single-line in Python.
import sys
try:
# Newer way, required as of Sphinx 2.0.
from sphinx.cmd.build import build_main
sys.exit(build_main(sys.argv[1:]))
except ImportError:
# Sphinx < 1.7.0 didn't have sphinx.cmd.build.
#
# Prior to Sphinx 1.7.0, sphinx.main always skipped the first argument
# passed. In 1.7.0 it stopped doing this, but this fallback handling
# should only be used for older versions so we no longer need to worry
# about this.
from sphinx import main
sys.exit(main(sys.argv))
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