我正在嘗試使用{Key,Value}遍歷OrderedDict,但是我正在運行到Key Error。該iteritems()在Python 3.4,我使用已被廢棄,現在我必須使用項目()做同樣的事情在Python 3.4中使用OrderedDict遍歷錯誤
File "/home/hotdogs/mydictset.py", line 88, in __init__
self.mainParams[k]['start'], self.mainParams[k]['step'], self.mainParams[k] ['stop'])
KeyError: 'timed_exit_bars'
class MySet()
def __init__(self, filePath):
# Read diagnostics set file
self.content = readSetFile(filePath)
if not self.content: return
self.sections = self.content._sections
self.mainParams = {}
self.optimizationArray = {}
global paramIndexes
#for k, v in OrderedDict(self.content.items('main')).iteritems(): --was from python 2.7 and i have removed it.
for k, v in OrderedDict(self.content.items('main')).items():
# Add the params names avoiding the optimization line
if k.find(",") == -1:
# Adding name of the param and the value
if k not in self.mainParams:
self.mainParams[k] = {}
self.mainParams[k]['value'] = v
# optimization flags
if self.content.has_option('main', k + ',F'):
if self.content.getboolean('main', k + ',F') == 1:
self.mainParams[k]['optimize'] = True
self.mainParams[k]['start'] = self.content.getfloat('main', k + ',1')
self.mainParams[k]['step'] = self.content.getfloat('main', k + ',2')
self.mainParams[k]['stop'] = self.content.getfloat('main', k + ',3')
self.optimizationArray[paramIndexes[k]] = (
self.mainParams[k]['start'], self.mainParams[k]['step'], self.mainParams[k]['stop'])
else:
self.mainParams[k]['optimize'] = False
else:
self.mainParams[k]['optimize'] = False
i = 0
當我嘗試調試的關鍵錯誤。我發現mainParams只包含一個普通的未排序字典,參數本身也是普通字典,它們本身來自下面的調試。樣品低於
{'section_1': {'value': '################# General Settings #################', 'optimize': False},
'run_every_tick': {'value': '0', 'optimize': False},
'historic_data_id': {'value': '1', 'optimize': False},
'section_2': {'value': '############## Common Strategy Settings ##############','optimize': False},
'use_instance_balance': {'value': '0', 'optimize': False},
'comments': {'value': 'Click Modify expert to view comments inside the source code.', 'optimize': False},
'operational_mode': {'value': '1', 'optimize': False},
'instance_management': {'value': '0', 'optimize': False},
'analysis_window_size': {'value': '0', 'optimize': False},
'enable_screenshots': {'value': '0', 'optimize': False},
'timed_exit_bars': {'step': 5.0, 'start': 5.0, 'value': '60', 'stop': 100.0, 'optimize': True},
'max_open_orders': {'value': '1', 'optimize': False},
'strategy_timeframe': {'value': '60', 'optimize': False},
'ui_font_size': {'value': '12', 'optimize': False},
'disable_compounding': {'value': '1', 'optimize': False}}
下面是我通過調試得到ParamIndexes
{
'INTERNAL_STRATEGY_ID': 52,
'RUN_EVERY_TICK': 43,
'MAX_OPEN_ORDERS': 45,
'OPERATIONAL_MODE': 50,
'ANALYSIS_WINDOW_SIZE': 55,
'TIMEFRAME': 53,
'DISABLE_COMPOUNDING': 47,
'INSTANCE_MANAGEMENT': 44,
'MAX_SPREAD': 59,
'TIMED_EXIT_BARS': 48,
'STRATEGY_INSTANCE_ID': 51,
...
...
....
....
....
....
....
....
....
....
}
一個樣品有我丟失的東西。我似乎無法使用items()來遍歷字典。任何幫助,非常感謝。
'paramIndexes'的值是什麼?可能是那個關鍵錯誤 – lemonhead
'對於k,v在OrderedDict(self.content.items('main'))。items()' - 在規則字典上調用OrderedDict不會回到過去,檢索您從未跟蹤過的訂購信息,並且在OrderedDict上調用OrderedDict是沒有意義的,除非您需要副本。 – user2357112