本文整理汇总了Python中pthelma.timeseries.Timeseries.index方法的典型用法代码示例。如果您正苦于以下问题：Python Timeseries.index方法的具体用法？Python Timeseries.index怎么用？Python Timeseries.index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pthelma.timeseries.Timeseries的用法示例。
在下文中一共展示了Timeseries.index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: update_ts_temp_file
# 需要导入模块: from pthelma.timeseries import Timeseries [as 别名]
# 或者: from pthelma.timeseries.Timeseries import index [as 别名]
def update_ts_temp_file(cache_dir, connection, id):
full_rewrite = False
afilename = os.path.join(cache_dir, '%d.hts'%(id,))
if os.path.exists(afilename):
if os.path.getsize(afilename)<3:
full_rewrite = True
#Update the file in the case of logged data, if this is possible
if os.path.exists(afilename) and not full_rewrite:
with open(afilename, 'r') as fileobject:
xr = xreverse(fileobject, 2048)
line = xr.next()
lastdate = datetime_from_iso(line.split(',')[0])
ts = Timeseries(id)
ts.read_from_db(connection, bottom_only=True)
if len(ts)>0:
db_start, db_end = ts.bounding_dates()
if db_start>lastdate:
full_rewrite = True
elif db_end>lastdate:
lastindex = ts.index(lastdate)
with open(afilename, 'a') as fileobject:
ts.write(fileobject, start=ts.keys()[lastindex+1])
#Check for tmmp file or else create it
if not os.path.exists(afilename) or full_rewrite:
ts = Timeseries(id)
ts.read_from_db(connection)
if not os.path.exists(cache_dir):
os.mkdir(cache_dir)
tempfile_handle, tempfile_name = tempfile.mkstemp(dir=cache_dir)
with os.fdopen(tempfile_handle, 'w') as afile:
ts.write(afile)
shutil.move(tempfile_name, afilename)