本文整理汇总了Python中MythTV.database.DBCache.__init__方法的典型用法代码示例。如果您正苦于以下问题：Python DBCache.__init__方法的具体用法？Python DBCache.__init__怎么用？Python DBCache.__init__使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MythTV.database.DBCache的用法示例。
在下文中一共展示了DBCache.__init__方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __init__
# 需要导入模块: from MythTV.database import DBCache [as 别名]
# 或者: from MythTV.database.DBCache import __init__ [as 别名]
def __init__(self, path=None, setting=None, db=None, useshell=True, prefix=''):
DBCache.__init__(self, db=db)
self.log = MythLog(self.logmodule, db=self)
self.path = None
if setting is not None:
# pull local setting from database
host = self.gethostname()
self.path = self.settings[host][setting]
if self.path is None:
# see if that setting is applied globally
self.path = self.settings['NULL'][setting]
if self.path is None:
# not set globally either, use supplied default
self.path = path
if self.path is None:
# no default supplied, just error out
raise MythDBError(MythError.DB_SETTING, setting, host)
if self.path is None:
# setting not given, use path from argument
if path is None:
raise MythError('Invalid input to System()')
self.path = path
if prefix:
self.path = os.path.join(prefix, self.path)
cmd = self.path.split()[0]
if self.path.startswith('/'):
# test full given path
if not os.access(cmd, os.F_OK):
raise MythFileError('Defined executable path does not exist.')
else:
# search command from PATH
for folder in os.environ['PATH'].split(':'):
if os.access(os.path.join(folder,cmd), os.F_OK):
self.path = os.path.join(folder,self.path)
break
else:
raise MythFileError('Defined executable path does not exist.')
self.returncode = 0
self.stderr = ''
self.useshell = useshell