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Added option for principal variation #139

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Added option for principal variation #139

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8 changes: 6 additions & 2 deletions stockfish/models.py
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Original file line number Diff line number Diff line change
Expand Up @@ -487,7 +487,7 @@ def does_current_engine_version_have_wdl_option(self) -> bool:
# discarded. So continue the loop until reaching "uciok", which is
# the last line SF outputs for the "uci" command.

def get_evaluation(self) -> dict:
def get_evaluation(self, include_principal_variation : bool = None) -> dict:
"""Evaluates current position

Returns:
Expand All @@ -507,14 +507,16 @@ def get_evaluation(self) -> dict:
if splitted_text[0] == "info":
for n in range(len(splitted_text)):
if splitted_text[n] == "score":
principal_variation = " ".join(splitted_text[splitted_text.index("pv") + 1 : -1]) if "pv" in splitted_text else ""
evaluation = {
"type": splitted_text[n + 1],
"value": int(splitted_text[n + 2]) * compare,
"line": principal_variation if include_principal_variation else None
}
elif splitted_text[0] == "bestmove":
return evaluation

def get_top_moves(self, num_top_moves: int = 5) -> List[dict]:
def get_top_moves(self, num_top_moves: int = 5, include_principal_variation : bool = None) -> List[dict]:
"""Returns info on the top moves in the position.

Args:
Expand Down Expand Up @@ -562,6 +564,7 @@ def get_top_moves(self, num_top_moves: int = 5) -> List[dict]:
raise RuntimeError(
"Having a centipawn value and mate value should be mutually exclusive."
)
principal_variation = " ".join(current_line[current_line.index("pv") + 1 : -1])
top_moves.insert(
0,
{
Expand All @@ -574,6 +577,7 @@ def get_top_moves(self, num_top_moves: int = 5) -> List[dict]:
* multiplier
if has_mate_value
else None,
"Line": principal_variation if include_principal_variation else None,
},
)
else:
Expand Down
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