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main.py
147 lines (100 loc) · 3.64 KB
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main.py
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#!/usr/bin/env python
# coding: utf-8
# In[ ]:
import pycuber as pc
import string
# In[ ]:
SCRAMBLE = "D' L' R' U D B2 U' D2 B2 L' F' L' D' R F2 B2 L2 D F D B R' U2 B L2"
mycube = pc.Cube()
mycube(SCRAMBLE)
# In[ ]:
ALPHABETX = string.ascii_uppercase[:24]
COLOR2FACE = {
"red": 'B',
"yellow": 'U',
"green": 'L',
"white": 'D',
"orange" : 'F',
"blue": 'R'
}
# In[ ]:
# piece: in notation of alphabet
# piece_ff : in notation of RU, FR, BD, etc
# seq: actual position of the piece in the slot
# In[ ]:
EDGE_FF = 'UBURUFULFUFRFDFLRURBRDRFBUBLBDBRLULFLDLBDFDRDBDL'
EDGE_FF = [EDGE_FF[i:i+2] for i in range(0, len(EDGE_FF), 2)]
EDGE_FF_SET = set(frozenset(list(i)) for i in EDGE_FF)
EDGE_MAP = {i[0]:i[1] for i in zip(ALPHABETX, EDGE_FF)}
edge_ff_solved = set([frozenset(list('RU'))])
e_available_slots_ff = EDGE_FF_SET - edge_ff_solved
def e_slot2seq(slot):
slot_ff = EDGE_MAP[slot]
piece_cc = mycube.__getitem__(slot_ff)
piece_ff = COLOR2FACE[piece_cc[slot_ff[0]].colour] + COLOR2FACE[piece_cc[slot_ff[1]].colour]
_slot_ff = piece_ff
seq = ALPHABETX[EDGE_FF.index(_slot_ff)]
return seq
def e_getEmptySlot():
asff = next(iter(e_available_slots_ff))
tmp = ''.join(asff)
return ALPHABETX[EDGE_FF.index(tmp)]
# In[ ]:
def get_e_sequence(input_seq='B'):
sequence = ''
while len(e_available_slots_ff) > 0:
seq = e_slot2seq(input_seq)
if seq in ['B', 'I']:
sequence += '-'
seq = e_getEmptySlot() #find next slot
elif frozenset(list(EDGE_MAP[seq])) not in e_available_slots_ff:
seq = e_getEmptySlot()
e_available_slots_ff.remove(frozenset(list(EDGE_MAP[seq])))
elif seq == input_seq:
e_available_slots_ff.remove(frozenset(list(EDGE_MAP[seq])))
seq = e_getEmptySlot()
else:
e_available_slots_ff.remove(frozenset(list(EDGE_MAP[seq])))
sequence += seq
input_seq = seq
return sequence
# In[ ]:
CORNER_FF = 'UBLUBRUFRUFLFLUFRUFDRFDLRFURBURBDRDFBRUBLUBDLBDRLBULFULDFLBDDFLDFRDBRDBL'
CORNER_FF = [CORNER_FF[i:i+3] for i in range(0, len(CORNER_FF), 3)]
CORNER_FF_SET = set(frozenset(i) for i in CORNER_FF)
CORNER_MAP = {i[0]:i[1] for i in zip(ALPHABETX, CORNER_FF)}
corner_ff_solved = set([frozenset(list('LUB'))])
c_available_slots_ff = CORNER_FF_SET - corner_ff_solved
def c_slot2seq(slot):
slot_ff = CORNER_MAP[slot]
piece_cc = mycube.__getitem__(slot_ff)
piece_ff = ''.join(sorted(COLOR2FACE[piece_cc[slot_ff[0]].colour] + COLOR2FACE[piece_cc[slot_ff[1]].colour] + COLOR2FACE[piece_cc[slot_ff[2]].colour]))
_slot_ff = piece_ff
seq = ALPHABETX[CORNER_FF.index(_slot_ff)]
return seq
def c_getEmptySlot():
asff = next(iter(c_available_slots_ff))
tmp = ''.join(sorted(asff))
return ALPHABETX[CORNER_FF.index(tmp)]
# In[ ]:
def get_c_sequence(input_seq='A'):
sequence = ''
while len(c_available_slots_ff) > 0:
seq = c_slot2seq(input_seq)
if seq in ['A', 'N', 'Q']:
sequence += '-'
seq = c_getEmptySlot() #find next slot
elif frozenset(list(CORNER_MAP[seq])) not in c_available_slots_ff:
seq = c_getEmptySlot()
c_available_slots_ff.remove(frozenset(list(CORNER_MAP[seq])))
elif seq == input_seq:
c_available_slots_ff.remove(frozenset(list(CORNER_MAP[seq])))
seq = c_getEmptySlot()
else:
c_available_slots_ff.remove(frozenset(list(CORNER_MAP[seq])))
sequence += seq
input_seq = seq
return sequence
# In[ ]:
c_sequence = get_c_sequence()
e_sequence = get_e_sequence()