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# Copyright (c) 2005-2010 Vladimir Prus.
#
# Use, modification and distribution is subject to the Boost Software
# License Version 1.0. (See accompanying file LICENSE_1_0.txt or
# http://www.boost.org/LICENSE_1_0.txt)
import sys
import re
import b2.util.regex
options = {}
# Set a value for a named option, to be used when not overridden on the command
# line.
def set(name, value=None):
global options
options[name] = value
def get(name, default_value=None, implied_value=None):
global options
matches = b2.util.regex.transform(sys.argv, "--" + re.escape(name) + "=(.*)")
if matches:
return matches[-1]
else:
m = b2.util.regex.transform(sys.argv, "--(" + re.escape(name) + ")")
if m and implied_value:
return implied_value
elif options.has_key(name) and options[name] != None:
return options[name]
else:
return default_value
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