第 2 章 crifanLib.py函数及用法详解

from datetime import datetime,timedelta;

#------------------------------------------------------------------------------
# get current time's timestamp
def getCurTimestamp() :
    return datetimeToTimestamp(datetime.now());

#------------------------------------------------------------------------------
# convert datetime value to timestamp
# from "2006-06-01 00:00:00" to 1149091200
def datetimeToTimestamp(datetimeVal) :
    return int(time.mktime(datetimeVal.timetuple()));
        

curTimestamp = getCurTimestamp();
jsonp = "jsonp" + str(curTimestamp);
            

from datetime import datetime,timedelta;

#------------------------------------------------------------------------------
# convert timestamp to datetime value
# from 1149091200 to "2006-06-01 00:00:00"
def timestampToDatetime(timestamp) :
    #print "type(timestamp)=",type(timestamp);
    #print "timestamp=",timestamp;
    #timestamp = int(timestamp);
    timestamp = float(timestamp);
    return datetime.fromtimestamp(timestamp);
        

createtimeFloat = float(createtimeMillisecond)/1000;
localTime = timestampToDatetime(createtimeFloat);
            

import time;

#------------------------------------------------------------------------------
#init for calculate elapsed time 
def calcTimeStart(uniqueKey) :
    global gVal

    gVal['calTimeKeyDict'][uniqueKey] = time.time();
    return

#------------------------------------------------------------------------------
# to get elapsed time, before call this, should use calcTimeStart to init
def calcTimeEnd(uniqueKey) :
    global gVal

    return time.time() - gVal['calTimeKeyDict'][uniqueKey];
        

calcTimeStart("export_head");
exportHead(blogInfoDic);
gVal['statInfoDict']['exportHeadTime'] = calcTimeEnd("export_head");
            

from datetime import datetime,timedelta;

#------------------------------------------------------------------------------
# convert local GMT8 to GMT time
# note: input should be 'datetime' type, not 'time' type
def convertLocalToGmt(localTime) :
    return localTime - timedelta(hours=8);
        

gmtTime = convertLocalToGmt(parsedLocalTime);