#!/usr/bin/python
# -*- coding: GBK -*-
#×÷Õß : eggxp

import struct
import string
import math
import datetime
import IPY_XMLLoader
import os

#È¡µÃ°Ñ×ÓÀàÖ¸Õëת»»Îª¸¸ÀàÖ¸Õë
#import weakref
#weakref.proxy(b)

#¶ÁÈ¡Îļþ
#+b ±íʾ¶þ½øÖÆ´ò¿ª

#´´½¨Îļþ¼Ð
#os.makedirs(name, mode)

#×Ö·û´®Ô­ÑùÊä³ö
#repr(xxx)

#ÎļþÊÇ·ñ´æÔÚ
#os.path.exists(path)

#¸³ÖµÎļþµÄ·½·¨:
#import shutil
#shutil.copy('c:\cccc.txt', 'd:\\')

#»ñµÃÎļþ·¾¶
#os.path.dirname

#È¡µÃÎļþºó׺
#os.path.splitext(file)

#ÁгöĿ¼
#files = os.listdir(curPath)
#for file in files:

#pythonдÎļþ:
#    f = file('c:\\fuck.txt', 'a')      #'a' ±íʾ׷¼Ó
#    f.write(mapObsData)



#µÈ´ýÊäÈë: raw_input()

#´´½¨Socket
#s = socket.socket(socket.AF_INET, socket.SOCK_STREAM, socket.IPPROTO_TCP)
#s.bind(('192.168.0.81', 6112))
#s.listen(1)

#»ñµÃ×ÓĿ¼:
#os.path.abspath

#µÈ´ýÊäÈë:
#raw_input()

#µÃµ½±¾Ä¿Â¼:
#os.getcwd()

#µÃµ½²ÎÊý:
#os.sys.argv

#µÃµ½python·¾¶
#os.sys.executable

#ÔËÐÐÍⲿÎļþ/½áÊøÍⲿÎļþ
#processID = os.spawnl(os.P_NOWAIT, pythonPath, '-p', os.path.join(curPath, 'test.py'))
#win32api.TerminateProcess(processID, 0)


#pythonµÄ¶ÁÈ¡/дÈë¿â

#------------------------¶ÁÈ¡ 
def ReadBYTE(buf, pos):
    curValue = struct.unpack_from('B', buf, pos)
    pos += 1
    return curValue[0], pos

def ReadWORD(buf, pos):
    curValue = struct.unpack_from('H', buf, pos)
    pos += 2  
    return curValue[0], pos

def ReadDWORD(buf, pos):
    curValue = struct.unpack_from('I', buf, pos)  
    pos += 4
    return curValue[0], pos

def ReadFloat(buf, pos):
    curValue = struct.unpack_from('f', buf, pos)  
    pos += 4
    return curValue[0], pos

def ReadDouble(buf, pos):
    curValue = struct.unpack_from('d', buf, pos)  
    pos += 8
    return curValue[0], pos

def ReadString(buf, pos, _len):
    curValue = struct.unpack_from('%ds'%_len, buf, pos)
    pos += _len  
    return curValue[0], pos


#----------------------дÈë
def WriteBYTE(buf, value):
    buf += struct.pack('B', value)
    return buf

def WriteWORD(buf, value):
    buf += struct.pack('H', value)
    return buf

def WriteDWORD(buf, value):
    buf += struct.pack('I', value)
    return buf

def WriteFloat(buf, value):
    buf += struct.pack('f', value)
    return buf

def WriteDouble(buf, value):
    buf += struct.pack('d', value)
    return buf

def WriteString(buf, len, value):
    buf += struct.pack('%ds'%len, value)
    return buf

def GetDistance(srcX, srcY, destX, destY):
    return math.sqrt(pow(srcX - destX, 2) + pow(srcY - destY, 2))
    
def MovePos(srcX, srcY, destX, destY, curMoveDist):
    if curMoveDist == 0:
        return  srcX, srcY
    
    totalDist = GetDistance(srcX, srcY, destX, destY)
    if totalDist == 0:
        return  srcX, srcY
    
    resultX = curMoveDist / float(totalDist) * (destX - srcX) + srcX
    resultY = curMoveDist / float(totalDist) * (destY - srcY) + srcY
    return resultX, resultY 
    

##²âÊÔ´úÂë:
#strs = 'ÃÀÏãÊÇÖí'
#buf = ''
#buf = WriteString(buf, len(strs), strs)
#value, pos = ReadString(buf, 0, len(strs))
#print value

#»ñµÃµ±Ç°ÏµÍ³Ê±¼ä
def GetCurrentDataTimeStr():
    curTime = datetime.datetime.today()
    curTimeStr = str(curTime)
    curTimeStr = curTimeStr.split(".")[0]
    return curTimeStr

#»ñµÃϵͳʱ¼ä(²ÎÊý -> ʱ¼äÁбí)
def GetDateTimeByStr(timeStr):
    timeStr = timeStr.split(".")[0]
    return  datetime.datetime.strptime(timeStr, "%Y-%m-%d %H:%M:%S")
    
    
    
#×Ö·û´®×ª»»ÎªÕûÐÍ, Èç¹û²»ÄÜת»», ·µ»ØĬÈÏÖµ
def ToIntDef(input, defValue = 0):
    try:
        result = int(input)
        return result
    except ValueError:
        return defValue
    
#16½øÖÆÑÕɫת»»
#"#FFFFFF"--"255,255,255"
def HcToSc(h):
    h="0x"+h[1:7]
    red=string.atoi(h[:2]+h[2:4], base=16)
    green=string.atoi(h[:2]+h[4:6], base=16)
    blue=string.atoi(h[:2]+h[6:8], base=16)
    cStr=str(red)+","+str(green)+","+str(blue)
    return cStr

#"255,255,255"--"#FFFFFF"
def ScToHc(s):
    red=hex(string.atoi(s.split(",")[0]))[2:]
    green=hex(string.atoi(s.split(",")[1]))[2:]
    blue=hex(string.atoi(s.split(",")[2]))[2:]
    hStr="#"+str(red+green+blue)
    return hStr

#16½øÖÆת»»
#"0xFFFFFF"--"255,255,255"
def HdToSd(h):
    red=string.atoi(h[0:2]+h[2:4], base=16)
    green=string.atoi(h[0:2]+h[4:6], base=16)
    blue=string.atoi(h[0:2]+h[6:8], base=16)
    cStr=str(red)+","+str(green)+","+str(blue)
    return cStr

#"255,255,255"--"0xFFFFFF"
def SdToHd(s):
    red=hex(string.atoi(s.split(",")[0]))[2:]
    green=hex(string.atoi(s.split(",")[1]))[2:]
    blue=hex(string.atoi(s.split(",")[2]))[2:]
    hStr="0x"+str(red+green+blue)
    return hStr

def GetPercent(value1, value2):
    if value2 == 0:
        return 0
    return int(float(value1) / float(value2) * 100)


#ÔÚµ±Ç°½ÚµãÖмÓÈëxml×Ö·û´®
def AddXML(curNode, xmlStr,xmlName):
    head = '<?xml version="1.0" encoding="GB2312"?><Head>'
    curXMLStr = head + xmlStr + '</Head>'
    curXML = IPY_XMLLoader.IPY_XMLLoader()
    curXML.LoadFromXML(xmlName,curXMLStr)
    headNode = curXML.GetNodeList().FindNode('Head')
    for i in range(headNode.GetChildCount()):
        curNode.ChildNodes().Add(headNode.GetChild(i).CloneNode(True))
    return

def DelXML(curNode):
    nodes = curNode.ChildNodes()
    while(nodes.GetCount()):
        nodes.Delete(0)
    return

def OpenFileForWrite(fileName):
    dirName = os.path.dirname(fileName)
    if not os.path.isdir(dirName):
        os.makedirs(dirName)
    
    if os.path.isfile(fileName):
        return file(fileName, 'w')
    return  file(fileName, 'a')