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main.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Date : 2018-07-22 22:06:57
# @Author : Lewis Tian ([email protected])
# @Link : https://lewistian.github.io/
# @Version : Python3.6
# @Description : this app is to query electricity fee from http://202.114.18.218/Main.aspx
from mwin import Ui_MWin
from PyQt5.QtWidgets import QWidget, QApplication, QMainWindow
from PyQt5.QtCore import QTimer, QUrl
from PyQt5.QtGui import QDesktopServices
import requests
import sys
import re
import os
from urllib.parse import quote
from bs4 import BeautifulSoup as Soup
import time
class MyWindow(QMainWindow, Ui_MWin):
def __init__(self, parent=None):
super(MyWindow, self).__init__(parent)
self.setupUi(self)
try:
with open('style.qss') as f:
style = f.read() # style sheet
self.setStyleSheet(style)
except:
print("open stylesheet error")
# values initialization
self.ss = requests.Session()
self.__VIEWSTATE, self.__EVENTVALIDATION = self.httpRequest()
self.txtyq = ''
self.__EVENTTARGET = ''
self.roomNum = '000'
# connect ComboBox slots
self.areaBox.currentIndexChanged.connect(self.areaBoxChanged)
self.buildingBox.currentIndexChanged.connect(self.buildingBoxChanged)
# connect buttons slots
self.queryBtn.clicked.connect(self.queryFee)
self.queryBtn.setShortcut('Ctrl+Return')
self.cancelBtn.clicked.connect(self.reload)
# timer define
self.timer = QTimer(self)
self.timer.timeout.connect(self.updateTime)
self.timer.start()
# Ctrl+h for help
self.help.setShortcut('Ctrl+H')
self.help.clicked.connect(lambda: QDesktopServices.openUrl(QUrl('https://github.com/LewisTian/PyQt5-Apps/tree/master/hust-electricity-fee')))
def areaBoxChanged(self):
"""area ComboBox changed will trigger
the building ComboBox items
"""
if self.areaBox.currentIndex() == 0:
return
print(self.areaBox.currentText())
self.__EVENTTARGET = 'programId'
self.programId = self.areaBox.currentText()
self.txtyq=''
self.httpRequest('POST')
def buildingBoxChanged(self):
if self.buildingBox.currentIndex() == 0:
return
print(self.buildingBox.currentText())
self.__EVENTTARGET = 'txtyq'
self.txtyq=self.buildingBox.currentText()
self.httpRequest('POST')
def httpRequest(self, method='GET'):
url = 'http://202.114.18.218/Main.aspx'
headers = {
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8',
'Accept-Encoding': 'gzip, deflate',
'Accept-Language': 'zh-CN,zh;q=0.9,en;q=0.8',
'Connection': 'keep-alive',
'Upgrade-Insecure-Requests':'1',
'Referer': 'http://202.114.18.218/Main.aspx',
'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36'
}
# print(headers )
if method == 'GET':
if 'Content-Type' in headers:
headers.pop('Content-Type')
headers.pop('Content-Length')
r = self.ss.get(url, headers = headers)
try:
__VIEWSTATE = re.findall(r'id="__VIEWSTATE" value="(.*?)"', r.text)[0]
except Exception as e:
__VIEWSTATE = ''
try:
__EVENTVALIDATION = re.findall(r'id="__EVENTVALIDATION" value="(.*?)"', r.text)[0]
except Exception as e:
__EVENTVALIDATION = ''
return __VIEWSTATE, __EVENTVALIDATION
elif method == 'POST':
if self.__EVENTTARGET=='query':
"""if __EVENTARGUMENT=='query'=> queryBtn is clicked
else other combox changed
"""
data = "__EVENTTARGET=&__EVENTARGUMENT=&__LASTFOCUS=&__VIEWSTATE={0}&__EVENTVALIDATION={1}&programId={2}&txtyq={3}&Txtroom={4}&ImageButton1.x=0&ImageButton1.y=16&TextBox2=&TextBox3=".format(self.__VIEWSTATE, self.__EVENTVALIDATION, self.programId, self.txtyq, self.roomEdit.text())
else:
data = "__EVENTTARGET={0}&__EVENTARGUMENT=&__LASTFOCUS=&__VIEWSTATE={1}&__EVENTVALIDATION={2}&programId={3}&txtyq={4}&Txtroom=&TextBox2=&TextBox3=".format(self.__EVENTTARGET,self.__VIEWSTATE, self.__EVENTVALIDATION, self.programId, self.txtyq)
headers['Content-Type'] = 'application/x-www-form-urlencoded'
headers['Content-Length'] = str(len(data))
r = self.ss.post(url, headers = headers, data = quote(data, safe='&=', encoding=None, errors=None))
if self.__EVENTTARGET == 'programId':
"""areaCombox Changed =>update buildingCombox and update `val`
buildingCombox Changed=> just update `val`
`val`=>self.__VIEWSTATE, self.__EVENTVALIDATION
"""
# print(r.text)
options = re.findall(r'<option value=".*?">(.*?)</option>', r.text,re.S)
# options = re.findall(r'<select name="txtyq".*?><option value=".*?">(.*?)</option><option selected="selected" value="-1">', r.text,re.S)
# print(options[5:])
self.buildingBox.clear()
self.buildingBox.addItems(['-请选择-'])
self.buildingBox.addItems(options[5:])
# update __VIEWSTATE and __EVENTVALIDATION
elif self.__EVENTTARGET=='query':
if re.findall(r'不存在该户信息', r.text):
self.chargeTable.setText("不存在该户信息!")
else:
try:
check = re.findall(r'<input name="TextBox2".*?value="(.*?)" readonly="readonly" id="TextBox2" />', r.text)[0]
left = re.findall(r'<input name="TextBox3".*?value="(.*?)" readonly="readonly" id="TextBox3" />', r.text)[0]
except:
check = 'None'
left = 'None'
try:
# checkTable = re.findall(r'(<table cellspacing="0".*?id="GridView2".*?>.*?</table>)', r.text, re.S)[0]
chargeTable = re.findall(r'(<table cellspacing="0".*?id="GridView2".*?>.*</table>).*?</div>.*?</td>', r.text, re.S)[0]
print(chargeTable)
except:
print(r.text)
# checkTable = 'None'
chargeTable = 'None'
print(check, left)
self.checkEdit.setText(check)
self.leftEdit.setText(left)
# self.checkTable.setText(checkTable)
self.chargeTable.setText(chargeTable)
try:
__VIEWSTATE = re.findall(r'id="__VIEWSTATE" value="(.*?)"', r.text)[0]
self.__VIEWSTATE = __VIEWSTATE
except Exception as e:
pass
try:
__EVENTVALIDATION = re.findall(r'id="__EVENTVALIDATION" value="(.*?)"', r.text)[0]
self.__EVENTVALIDATION = __EVENTVALIDATION
except Exception as e:
pass
# print(self.__VIEWSTATE, '\n',self.__EVENTVALIDATION)
else:
pass
def queryFee(self):
"""query electricity fee according to
the information
"""
if self.buildingBox.maxCount() < 1 or not self.roomEdit.text():
return
if self.roomNum == self.roomEdit.text() and self.checkEdit.text() != 'None':
"""disable frequently query
"""
return
self.roomNum = self.roomEdit.text()
print(self.roomNum)
self.__EVENTTARGET = 'query'
self.httpRequest('POST')
def reload(self):
"""clear app
"""
self.buildingBox.clear()
self.areaBox.setCurrentIndex(0)
self.roomEdit.clear()
self.checkEdit.clear()
self.leftEdit.clear()
self.chargeTable.clear()
self.__VIEWSTATE, self.__EVENTVALIDATION = self.httpRequest()
def updateTime(self):
self.timeLabel.setText('欢迎使用，现在是{0}'.format(time.strftime("%Y/%m/%d %a %X",time.localtime())))
if __name__ == '__main__':
app = QApplication(sys.argv)
w = MyWindow()
w.show()
sys.exit(app.exec_())