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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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from PyCompat import * # fixes for school computers
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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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	try:
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		no_graphviz = False
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	if have_yapgvb():
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		import yapgvb
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		import yapgvb
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	except ImportError:
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		no_graphviz = True
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	from DrawGraph import DrawGraph
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	from DrawGraph import DrawGraph
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	if no_graphviz:
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	if have_yapgvb():
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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_stupid ('generated_by')
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		dg.render_stupid ('generated_by')
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		print
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		print
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	# Try to render the graph, nicely
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	# Try to render the graph, nicely
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	elif result.result_graph != None:
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	if 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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	result = PuzzleSearch.get_nth_child (goal_node, DEPTH)
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	result = PuzzleSearch.get_nth_child (goal_node, DEPTH)
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	# "Fix" the node given back to us
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	# "Fix" the node given back to us
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	result.depth = 0
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	result.depth = 0
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	result.goal = goal_node
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	result.goal = goal_node
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	result.generated_by = 'root'
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	return result
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	return result
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def getstr (prompt):
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def getstr (prompt):
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	return raw_input (prompt + ': ')
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	return raw_input (prompt + ': ')
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	m.add_entry ('3', 'Quit', sys.exit)
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	m.add_entry ('3', 'Quit', sys.exit)
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	(entry, callback) = m.run_menu ()
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	(entry, callback) = m.run_menu ()
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	# Must be from #1
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	# Must be from #1
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	if entry == '1':
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	if entry == '1':
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		start_node = PuzzlePiece (callback(), 0, goal_node)
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		start_node = PuzzlePiece (callback(), 0, goal_node, 'root')
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	elif entry == '2':
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	elif entry == '2':
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		start_node = callback(goal_node)
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		start_node = callback(goal_node)
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	# Get set up for the next menu
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	# Get set up for the next menu
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	search_result = None
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	search_result = None