本文整理匯總了Python中quantdigger.datastruct.PContract類的典型用法代碼示例。如果您正苦於以下問題：Python PContract類的具體用法？Python PContract怎麽用？Python PContract使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了PContract類的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: _load_data
def _load_data(self, strpcons, dt_start, dt_end, n, spec_date):
all_data = OrderedDict()
max_window = -1
logger.info("loading data...")
pbar = ProgressBar().start()
pcontracts = [PContract.from_string(s) for s in strpcons]
pcontracts = sorted(pcontracts, reverse=True)
for i, pcon in enumerate(pcontracts):
strpcon = str(pcon)
if strpcon in spec_date:
dt_start = spec_date[strpcon][0]
dt_end = spec_date[strpcon][1]
assert(dt_start < dt_end)
if n:
wrapper = self._data_manager.get_last_bars(strpcon, n)
else:
wrapper = self._data_manager.get_bars(strpcon, dt_start, dt_end)
if len(wrapper) == 0:
continue
all_data[strpcon] = DataContext(wrapper)
max_window = max(max_window, len(wrapper))
pbar.update(i*100.0/len(strpcons))
# progressbar.log('')
if n:
assert(max_window <= n)
pbar.finish()
if len(all_data) == 0:
assert(False)
# @TODO raise
return all_data, max_window示例2: import_bars
def import_bars(self, data_iter, strpcon):
""" 導入交易數據
Args:
data_iter (iteratorable object): 數據['datetime', 'open', 'close',
'high', 'low', 'volume']
strpcon (str): 周期合約字符串如, 'AA.SHFE-1.Minute'
"""
pcontract = PContract.from_string(strpcon)
self._src.import_bars(data_iter, pcontract)示例3: __getitem__
def __getitem__(self, strpcon):
""" 獲取跨品種合約 """
## @TODO
#if type(strpcon) == str:
#pass
#self._cur_data_context = self._data_contexts[pcon]
## @TODO 字典，str做key
tt = PContract.from_string(strpcon)
for key, value in self._data_contexts.iteritems():
if str(key) == str(tt):
return value示例4: get_bars
def get_bars(self, strpcon, dt_start, dt_end):
""" 獲取本地曆史數
Args:
strpcon (str): 周期合約
dt_start (datetime): 數據的開始時間
dt_end (datetime): 數據的結束時間
Returns:
SourceWrapper. 數據
"""
pcontract = PContract.from_string(strpcon)
return self._src.get_bars(pcontract, dt_start, dt_end)示例5: data
def data(self, strpcon=None):
""" 周期合約數據
Args:
strpcon (str): 周期合約，如'BB.SHFE-1.Minute'
Returns:
pd.DataFrame. 數據
"""
pcon = self._main_pcontract
if strpcon:
pcon = PContract.from_string(strpcon)
return self._dcontexts[pcon].raw_data示例6: data
def data(self, strpcon=None):
""" 周期合約數據, 隻有向量運行才有意義。
Args:
strpcon (str): 周期合約，如'BB.SHFE-1.Minute'
Returns:
pd.DataFrame. 數據
"""
if series.g_rolling:
assert(False and '隻有向量運行才存在數據')
pcon = self._main_pcontract
if strpcon:
pcon = PContract.from_string(strpcon)
return self._dcontexts[pcon].raw_data示例7: get_bars
def get_bars(self, strpcon, dt_start, dt_end):
""" 獲取本地曆史數據
Args:
strpcon (str): 周期合約
dt_start (datetime): 數據的開始時間
dt_end (datetime): 數據的結束時間
Returns:
SourceWrapper. 數據
"""
pcontract = PContract.from_string(strpcon)
if pcontract.contract.exchange == 'stock':
return []
else:
return self._src.get_bars(pcontract, dt_start, dt_end)示例8: indicators
def indicators(self, j=None, strpcon=None):
""" 返回第j個策略的指標, 默認返回組合的所有指標。
Args:
j (int): 第j個策略
strpcon (str): 周期合約
Returns:
dict. {指標名:指標}
"""
pcon = PContract.from_string(strpcon) if strpcon else self._main_pcontract
if j != None:
return self._dcontexts[pcon].indicators[self.i][j]
rst = { }
for j in range(0, len(self._blts)):
rst.update(self._dcontexts[pcon].indicators[self.i][j])
return rst示例9: load_bars
def load_bars(self, strpcon, dt_start, dt_end, window_size):
""" 獲取本地曆史數據
Args:
strpcon (str): 周期合約
dt_start (datetime): 數據的開始時間
dt_end (datetime): 數據的結束時間
window_size (int): 窗口大小，0表示大小為數據長度。
Returns:
SourceWrapper. 數據
"""
pcontract = PContract.from_string(strpcon)
if pcontract.contract.exch_type == 'stock':
return []
else:
return self._src.load_bars(pcontract, dt_start, dt_end, window_size);示例10: set_symbols
def set_symbols(pcons, window_size,
dt_start=datetime(1980,1,1),
dt_end=datetime(2100,1,1)):
""" 添加數據
Args:
pcons ([str,]): 周期合約數組
dt_start (str): 開始時間
dt_end (str): 結束
window_size (int): 序列數據的窗口大小
"""
global g_simulator
new_pcons = []
for pcon in pcons:
new_pcons.append(PContract.from_string(pcon))
g_simulator = ExecuteUnit(new_pcons, window_size, dt_start, dt_end)
return g_simulator示例11: get_all_contracts
def get_all_contracts(self):
# 模擬接口
data = ['CC.SHFE-1.MINUTE', 'BB.SHFE-1.MINUTE']
pcons = [PContract.from_string(d) for d in data]
contracts = [pcon.contract for pcon in pcons]
return serialize_all_contracts(contracts)示例12: get_last_bars
def get_last_bars(self, strpcon, n):
pcontract = PContract.from_string(strpcon)
return self._src.get_last_bars(pcontract, n)示例13: get_bars
def get_bars(self, strpcon,
dt_start=DEFAULT_DT_START, dt_end=DEFAULT_DT_END):
pcontract = PContract.from_string(strpcon)
return self._src.get_bars(pcontract, dt_start, dt_end)示例14: setUp
def setUp(self):
cache = LocalFsCache(TestCache.CACHE_PATH)
self.src = _MockSource()
self.ds = CachedDatasource(self.src, cache)
self.pcontract = PContract.from_string('000001.SH-1.DAY')示例15: get_all_pcontracts
def get_all_pcontracts(self):
# 模擬接口
data = ['CC.SHFE-1.MINUTE', 'BB.SHFE-1.MINUTE']
pcontracts = [PContract.from_string(d) for d in data]
return serialize_all_pcontracts(pcontracts)