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'''
Wrapper class for libbcalcDDS.dll
'''
import os
from ctypes import cdll, c_char_p, c_void_p
from .Exceptions import DllNotFoundException
class BCalcWrapper(object):
DENOMINATIONS = [ 'C', 'D', 'H', 'S', 'N' ]
PLAYERS = [ 'N', 'E', 'S', 'W' ]
def __init__(self):
dllPath = os.path.join(
os.path.dirname(__file__),
'..')
try:
self.libbcalcdds = cdll.LoadLibrary(os.path.join(
dllPath, 'libbcalcdds.dll'))
except OSError:
try:
self.libbcalcdds = cdll.LoadLibrary(os.path.join(
dllPath, 'libbcalcdds.so'))
except OSError:
self.libbcalcdds = None
if self.libbcalcdds is None:
raise DllNotFoundException()
def __getattr__(self, attrname):
def _dynamic_method(*args):
function = getattr(self.libbcalcdds, 'bcalcDDS_' + attrname)
if attrname == 'new':
function.restype = c_void_p
else:
if attrname == 'getLastError':
function.restype = c_char_p
function.argtypes = [c_void_p]
return function(*args)
return _dynamic_method
def declarerToLeader(self, player):
return (player + 1) % 4
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