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from collections import defaultdict
import logging
import bridgebots
from bridgebots import PlayerHand, Rank
from pathlib import Path
from datetime import datetime
import pandas as pd
import tempfile
from dds_util import get_dd_tricks
from typing import List, Dict
import os
DEALER_LIST = ['N', 'E', 'S', 'W']
VULNERABILITY_LIST = ["None","NS","EW","All","NS","EW","All","None","EW","All","None","NS","All","None","NS","EW"]
SUITS = [bridgebots.Suit.SPADES, bridgebots.Suit.HEARTS, bridgebots.Suit.DIAMONDS, bridgebots.Suit.CLUBS]
def _build_record_dict(record_strings: List[str]) -> Dict:
"""
Parse the pbn line by line. When a block section like "Auction" or "Play" is encountered, collect all the content of
the block into a single entry
:param record_strings: List of string lines for a single board
:return: A dictionary mapping keys from the pbn to strings or other useful values (e.g. list of strings for the
bidding record)
"""
record_dict = {}
# Janky while loop to handle non bracketed lines
i = 0
while i < len(record_strings):
record_string = record_strings[i]
if not (record_string.startswith("[") or record_string.startswith("{")):
i += 1
continue
if record_string.startswith("{"):
commentary = ""
while i < len(record_strings):
record_string = record_strings[i]
if record_string.startswith("["):
break
commentary += record_string + " "
i += 1
record_dict["Commentary"] = commentary.strip()
continue
if record_string.startswith("[") and "]" not in record_string:
while "]" not in record_string:
i += 1
record_string = record_string + record_strings[i]
record_string = record_string.replace("[", "").replace("]", "")
key, value = record_string.split(maxsplit=1)
value = value.replace('"', "")
if key == "Note":
number, message = value.split(":", maxsplit=1)
key = key + "_" + number
value = message
record_dict[key] = value
if key == "Auction":
auction_record = []
i += 1
while i < len(record_strings):
auction_str = record_strings[i]
if "[" in auction_str:
break
auction_record.extend(auction_str.split())
i += 1
record_dict["bidding_record"] = auction_record
elif key == "Play":
play_record = []
i += 1
while i < len(record_strings):
play_str = record_strings[i]
if "[" in play_str or play_str == "*":
break
play_record.append(play_str.split())
i += 1
record_dict["play_record"] = play_record
elif key == "OptimumResultTable":
dds_tricks_table = []
i += 1
while i < len(record_strings):
dds_str = record_strings[i]
if "[" in dds_str or dds_str == "*":
break
dds_tricks_table.append(dds_str.split())
i += 1
record_dict["dds_tricks_table"] = dds_tricks_table
else:
i += 1
return record_dict
def parse_single_pbn_record(record_strings):
"""
:param record_strings: One string per line of a single PBN deal record
:return: Deal and BoardRecord corresponding to the PBN record
"""
record_dict = _build_record_dict(record_strings)
try:
deal = bridgebots.pbn.from_pbn_deal(record_dict["Dealer"], record_dict["Vulnerable"], record_dict["Deal"])
except KeyError as e:
# if previous_deal:
# deal = previous_deal
# else:
raise ValueError("Missing deal fields and no previous_deal provided") from e
# board_record = _parse_board_record(record_dict, deal)
return deal, record_dict
def parse_pbn(file_path):
"""
Split PBN file into boards then decompose those boards into Deal and BoardRecord objects. Only supports PBN v1.0
See https://www.tistis.nl/pbn/pbn_v10.txt
:param file_path: path to a PBN file
:return: A list of DealRecords representing all the boards played
"""
records_strings = bridgebots.pbn._split_pbn(file_path)
# Maintain a mapping from deal to board records to create a single deal record per deal
records = defaultdict(list)
# Some PBNs have multiple board records per deal
previous_deal = None
for record_strings in records_strings:
try:
deal, board_record = parse_single_pbn_record(record_strings)
records[deal].append(board_record)
# previous_deal = deal
except (KeyError, ValueError) as e:
logging.warning(f"Malformed record {record_strings}: {e}")
return [(deal, board_records) for deal, board_records in records.items()]
def create_pbn_file(
data: pd.DataFrame,
save_path = None,
date=datetime.today(),
board_no=1,
event='',
site='',
) -> str:
if not save_path:
fd, save_path = tempfile.mkstemp(suffix='.pbn')
os.close(fd)
year = date.strftime("%y")
month = date.strftime("%m")
day = date.strftime("%d")
date_print = day + "." + month + "." + year
dealer = DEALER_LIST[(board_no-1) % 4]
vulnerability=VULNERABILITY_LIST[(board_no-1) % 16]
deal = pbn_deal_string(data, dealer) # sss.hhh.ddd.ccc sss.hhh.ddd.ccc......
file = ''
file += ("%This PBN was generated by Bridge Hand Scanner\n")
file += f'[Event "{event}"]\n'
file += f'[Site "{site}"]\n'
file += f'[Date "{date_print}"]\n'
file += f'[Board "{str(board_no)}"]\n'
file += f'[Dealer "{dealer}"]\n'
file += f'[Vulnerable "{vulnerability}"]\n'
file += f'[Deal "{deal}"]\n'
file += pbn_optimum_table(deal)
file += '\n' # End of board
with open(save_path, 'w') as f:
f.write(file)
return file
def merge_pbn(pbn_paths):
fd, fn = tempfile.mkstemp(suffix='.pbn', text=True)
board_dict = {}
for i, pbn_path in enumerate(pbn_paths):
result = parse_pbn(pbn_path)[0]
with open(pbn_path, 'r') as f2:
pbn_str = f2.read()
board_no = int(result[1][0]['Board'])
board_dict[board_no] = pbn_str
ordered_board_dict = dict(sorted(board_dict.items()))
with open(fd, 'w') as f:
for i, (k,v) in enumerate(ordered_board_dict.items()):
if i != 0:
if v[-1] != "\n":
f.write('\n')
f.write(v)
return fn
def pbn_deal_string(df, dealer):
assert dealer in DEALER_LIST, f'Dealer {dealer} is not valid'
dealer_idx = DEALER_LIST.index(dealer)
dealer_list_rolled = DEALER_LIST[dealer_idx:] + DEALER_LIST[:dealer_idx]
deal = f'{dealer}:'
hand_reprs = []
for direction in dealer_list_rolled:
hand = PlayerHand.from_string_lists(*df[direction])
hand_reprs.append('.'.join([''.join([r.abbreviation() for r in hand.suits[suit]]) for suit in SUITS]))
deal += ' '.join(hand_reprs)
return deal
DD_DIRECTIONS = ['N', 'S', 'E', 'W']
DD_SUITS = ['NT', 'S', 'H', 'D', 'C']
def pbn_optimum_table(pbn_deal_string):
try:
dd_tricks_string = get_dd_tricks(pbn_deal_string)
except Exception as e:
print(e)
raise ValueError(e)
s = '[OptimumResultTable "Declarer;Denomination\\2R;Result\\2R"]\n'
for i, char in enumerate(dd_tricks_string):
direction = DD_DIRECTIONS[i//5]
suit = DD_SUITS[i%5]
tricks = int(char, 16)
s += f'{direction} {suit} {tricks}\n'
return s |