helpers.py
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helpers.py
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	import SCons

	def read_cmake_list(name):
	"""
	Read a cmake files list and return a dictionary with each cmake variable
	matched to a list of filenames.

	This makes it easy to add/remove files, as only the cmake list needs to be
	modified and scons will automatically pick up the changes.
	"""
	lists = {}
	current = []
	reading = False
	for line in open(name):
	if line.startswith("set("):
	current = []
	name = line[4:].strip()
	lists[name] = current
	reading = True
	else:
	if reading:
	# Stop reading files once we hit a line like 'file.cpp)'
	if line.strip("\t\r\n").endswith(")"):
	reading = False
	path = line.strip("( )\t\r\n")
	if path:
	current.append(path)
	return lists

	def findFile(root, name):
	path = SCons.Script.File(name, SCons.Script.Dir(".").rel_path(SCons.Script.Dir("#%s" % root)))
	return path.abspath
	#return findDirectory(name)

	def findDirectory(name):
	import os.path
	where = '.'
	# just try 5 directories
	for i in xrange(0, 6):
	if os.path.exists("%s/%s" % (where, name)):
	return "%s/%s" % (where, name)
	where = os.path.join(where, '..')
	raise Exception("Could not find the %s directory" % name)