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#!/usr/bin/env python
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#!/usr/bin/env python
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# Fix for the lame version of python on the school's computers (v2.1)
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try:
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	(True, False)
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except NameError:
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	(True, False) = (1, 0)
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from Menu import Menu
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from Menu import Menu
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from PuzzlePiece import PuzzlePiece
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from PuzzlePiece import PuzzlePiece
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import PuzzleSearch
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import PuzzleSearch
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import sys
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import sys
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			(goal_node, ), PuzzleSearch.astar_dfc)
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			(goal_node, ), PuzzleSearch.astar_dfc)
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################################################################################
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################################################################################
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def m_render_graph (result):
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def m_render_graph (result):
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	stupid_mode = False
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	try:
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	try:
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		no_graphviz = False
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		import yapgvb
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		import yapgvb
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		from DrawGraph import DrawGraph
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	except:
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	except ImportError:
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		stupid_mode = True
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		no_graphviz = True
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	from DrawGraph import DrawGraph
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	if stupid_mode:
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	if no_graphviz:
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		print 'In stupid mode!'
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		dg = DrawGraph (result.search_name, result.result_graph)
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		return
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		dg.render_stupid ('generated_by')
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	# Try to render the graph, nicely
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	# Try to render the graph, nicely
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	if result.result_graph != None:
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	elif result.result_graph != None:
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		fname = raw_input('Enter filename (press ENTER for \'res.svg\'): ')
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		fname = raw_input('Enter filename (press ENTER for \'res.svg\'): ')
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		print
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		print
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		if fname == '':
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		if fname == '':
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			fname = 'res.svg'
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			fname = 'res.svg'
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		# Actually draw the graph
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		# Actually draw the graph
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		dg = DrawGraph (result.search_name, result.result_graph)
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		dg = DrawGraph (result.search_name, result.result_graph)
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		dg.render_graph (fname, yapgvb.engines.dot)
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		dg.render_graphviz (fname, yapgvb.engines.dot)
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	else:
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	else:
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		print 'The search failed, therefore I cannot render the graph!'
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		print 'The search failed, therefore I cannot render the graph!'
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def gen_start_state (goal_node):
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def gen_start_state (goal_node):
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	DEPTH=12
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	DEPTH=12