def test_parsing_9x9(self):
self.assertEqual(coords.parse_sgf_coords('aa'), (0, 0))
self.assertEqual(coords.parse_sgf_coords('ac'), (2, 0))
self.assertEqual(coords.parse_sgf_coords('ca'), (0, 2))
self.assertEqual(coords.parse_sgf_coords(''), None)
self.assertEqual(coords.unparse_sgf_coords(None), '')
self.assertEqual(
'aa', coords.unparse_sgf_coords(coords.parse_sgf_coords('aa')))
self.assertEqual(
'sa', coords.unparse_sgf_coords(coords.parse_sgf_coords('sa')))
self.assertEqual(
(1, 17), coords.parse_sgf_coords(coords.unparse_sgf_coords(
(1, 17))))
self.assertEqual(coords.parse_kgs_coords('A1'), (8, 0))
self.assertEqual(coords.parse_kgs_coords('A9'), (0, 0))
self.assertEqual(coords.parse_kgs_coords('C2'), (7, 2))
self.assertEqual(coords.parse_kgs_coords('J2'), (7, 8))
self.assertEqual(coords.parse_pygtp_coords((1, 1)), (8, 0))
self.assertEqual(coords.parse_pygtp_coords((1, 9)), (0, 0))
self.assertEqual(coords.parse_pygtp_coords((3, 2)), (7, 2))
self.assertEqual(coords.unparse_pygtp_coords((8, 0)), (1, 1))
self.assertEqual(coords.unparse_pygtp_coords((0, 0)), (1, 9))
self.assertEqual(coords.unparse_pygtp_coords((7, 2)), (3, 2))
self.assertEqual(coords.to_human_coord((0, 8)), 'J9')
self.assertEqual(coords.to_human_coord((8, 0)), 'A1')
def handle_node(pos, node):
'A node can either add B+W stones, play as B, or play as W.'
props = node.properties
black_stones_added = [coords.parse_sgf_coords(
c) for c in props.get('AB', [])]
white_stones_added = [coords.parse_sgf_coords(
c) for c in props.get('AW', [])]
if black_stones_added or white_stones_added:
return add_stones(pos, black_stones_added, white_stones_added)
# If B/W props are not present, then there is no move. But if it is present and equal to the empty string, then the move was a pass.
elif 'B' in props:
black_move = coords.parse_sgf_coords(props.get('B', [''])[0])
return pos.play_move(black_move, color=go.BLACK)
elif 'W' in props:
white_move = coords.parse_sgf_coords(props.get('W', [''])[0])
return pos.play_move(white_move, color=go.WHITE)
else:
return pos
def test_pass(self):
self.assertEqual(coords.parse_sgf_coords(''), None)
self.assertEqual(coords.unflatten_coords(81), None)
self.assertEqual(coords.parse_kgs_coords('pass'), None)
self.assertEqual(coords.parse_pygtp_coords((0, 0)), None)
self.assertEqual(coords.unparse_sgf_coords(None), '')
self.assertEqual(coords.flatten_coords(None), 81)
self.assertEqual(coords.to_human_coord(None), 'pass')
self.assertEqual(coords.unparse_pygtp_coords(None), (0, 0))
def test_topleft(self):
self.assertEqual(coords.parse_sgf_coords('ia'), (0, 8))
self.assertEqual(coords.unflatten_coords(8), (0, 8))
self.assertEqual(coords.parse_kgs_coords('J9'), (0, 8))
self.assertEqual(coords.parse_pygtp_coords((9, 9)), (0, 8))
self.assertEqual(coords.unparse_sgf_coords((0, 8)), 'ia')
self.assertEqual(coords.flatten_coords((0, 8)), 8)
self.assertEqual(coords.to_human_coord((0, 8)), 'J9')
self.assertEqual(coords.unparse_pygtp_coords((0, 8)), (9, 9))
def test_upperleft(self):
self.assertEqual(coords.parse_sgf_coords('aa'), (0, 0))
self.assertEqual(coords.unflatten_coords(0), (0, 0))
self.assertEqual(coords.parse_kgs_coords('A9'), (0, 0))
self.assertEqual(coords.parse_pygtp_coords((1, 9)), (0, 0))
self.assertEqual(coords.unparse_sgf_coords((0, 0)), 'aa')
self.assertEqual(coords.flatten_coords((0, 0)), 0)
self.assertEqual(coords.to_human_coord((0, 0)), 'A9')
self.assertEqual(coords.unparse_pygtp_coords((0, 0)), (1, 9))
def test_make_dataset_from_sgf(self):
with tempfile.NamedTemporaryFile() as sgf_file, \
tempfile.NamedTemporaryFile() as record_file:
sgf_file.write(TEST_SGF.encode('utf8'))
sgf_file.seek(0)
preprocessing.make_dataset_from_sgf(sgf_file.name,
record_file.name)
recovered_data = self.extract_data(record_file.name)
start_pos = go.Position()
first_move = coords.parse_sgf_coords('fd')
next_pos = start_pos.play_move(first_move)
second_move = coords.parse_sgf_coords('cf')
expected_data = [
(features.extract_features(start_pos),
preprocessing._one_hot(coords.flatten_coords(first_move)), -1),
(features.extract_features(next_pos),
preprocessing._one_hot(coords.flatten_coords(second_move)), -1)
]
self.assertEqualData(expected_data, recovered_data)
def handle_node(pos, node):
'A node can either add B+W stones, play as B, or play as W.'
props = node.properties
black_stones_added = [
coords.parse_sgf_coords(c) for c in props.get('AB', [])
]
white_stones_added = [
coords.parse_sgf_coords(c) for c in props.get('AW', [])
]
if black_stones_added or white_stones_added:
return add_stones(pos, black_stones_added, white_stones_added)
# If B/W props are not present, then there is no move. But if it is present and equal to the empty string, then the move was a pass.
elif 'B' in props:
black_move = coords.parse_sgf_coords(props.get('B', [''])[0])
return pos.play_move(black_move, color=go.BLACK)
elif 'W' in props:
white_move = coords.parse_sgf_coords(props.get('W', [''])[0])
return pos.play_move(white_move, color=go.WHITE)
else:
return pos
def get_next_move(node):
props = node.next.properties
if 'W' in props:
return coords.parse_sgf_coords(props['W'][0])
else:
return coords.parse_sgf_coords(props['B'][0])
def get_next_move(node):
props = node.next.properties
if 'W' in props:
return coords.parse_sgf_coords(props['W'][0])
else:
return coords.parse_sgf_coords(props['B'][0])
