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##########################################################################
## # The Coq Proof Assistant / The Coq Development Team ##
## v # INRIA, CNRS and contributors - Copyright 1999-2018 ##
## <O___,, # (see CREDITS file for the list of authors) ##
## \VV/ ###############################################################
## // # This file is distributed under the terms of the ##
## # GNU Lesser General Public License Version 2.1 ##
## # (see LICENSE file for the text of the license) ##
##########################################################################
from __future__ import print_function
import sys
def eprint(*args, **kwargs):
print(*args, file=sys.stderr, **kwargs)
def missing_dep(dep):
eprint('Cannot find %s (needed to build documentation)' % dep)
eprint('You can run `pip3 install %s` to install it.' % dep)
sys.exit(1)
try:
import sphinx_rtd_theme
except:
missing_dep('sphinx_rtd_theme')
try:
import pexpect
except:
missing_dep('pexpect')
try:
import antlr4
except:
missing_dep('antlr4-python3-runtime')
try:
import bs4
except:
missing_dep('beautifulsoup4')
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