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script.py
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script.py
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import json
import sys
import datetime
import time
import re
import uuid
import requests
from icalendar import Calendar, Event, Alarm
from random import Random
from lxml import etree
def loginCookie(user: str, passwd: str) -> dict:
session = requests.session()
url = "http://jwcas.cczu.edu.cn/login"
# Get the random data to login
try:
html = session.get(url, headers=headers)
html.raise_for_status()
html.encoding = html.apparent_encoding
html = html.text
except:
print("Failed to pick up details of LoginPage.")
sys.exit(0)
# Initialize the string, which makes it available to the function of xpath
html = etree.HTML(html)
# Get the name and value of random data
# Type of gName, gValue: list
gName = html.xpath('//input[@type="hidden"]/@name')
gValue = html.xpath('//input[@type="hidden"]/@value')
gAll = {}
for i in range(3):
gAll[gName[i]] = gValue[i]
# Post data
data = {
'username': user,
'password': passwd,
'warn': 'true',
'lt': gAll['lt'],
'execution': gAll['execution'],
'_eventId': gAll['_eventId']
}
# Official Login
sc = session.post(url, headers=headers, data=data)
if not sc.cookies.get_dict():
print("Failed to Login, please check the username and password.")
sys.exit(0)
# Intercept jump link
try:
tmp = session.get(
'http://jwcas.cczu.edu.cn/login?service=http://219.230.159.132/login7_jwgl.aspx', headers=headers)
tmp_html = etree.HTML(tmp.text)
Rurl = tmp_html.xpath('//a[@href and text()]/@href')[0]
except:
print("Failed to pick up JumpPage's URL.")
sys.exit(0)
# Get Cookies we need from DirectPage
try:
tmp2 = session.get(Rurl, headers=headers)
except:
print("Failed to pick up Cookies of DirectPage.")
sys.exit(0)
# Extract the cookies dictionary and return it.
print("Getting Cookies Successfully.")
return tmp2.cookies.get_dict()
def getDom(cookies: dict) -> list:
url = "http://219.230.159.132/web_jxrw/cx_kb_xsgrkb.aspx"
try:
rep = requests.get(url, headers=headers, cookies=cookies)
rep.raise_for_status()
return rep.text
except requests.exceptions.HTTPError: # If get the status code - 500
return None
def classHandler(text):
# structure text
textDom = etree.HTML(text)
tables = textDom.xpath('//div/table')
tableup, tabledown = tables[1], tables[2]
# extract all class names
classNameList = tableup.xpath(
'./tr[@class="dg1-item"]/td[position()=2]/text()')
# extract class info of from the table
classmatrix = [tr.xpath('./td[position()>1]/text()')
for tr in tabledown.xpath('tr[position()>1]')]
classmatrixT = [each for each in zip(*classmatrix)]
oeDict = {'单': 1, '双': 2}
courseInfo = dict()
courseList = dict()
global courseInfoRes
# day: day of week / courses: all courses in a day
for day, courses in enumerate(classmatrixT):
# time: the rank of lesson / course_cb: one item in table cell
for time, course_cb in enumerate(courses):
course_list = list(filter(None, course_cb.split('/')))
for course in course_list:
id = uuid.uuid3(uuid.NAMESPACE_DNS, course+str(day)).hex
if course != '\xa0' and (not time or id not in courseInfo.keys()):
nl = list(
filter(lambda x: course.startswith(x), classNameList))
assert len(
nl) == 1, "Unable to resolve course name correctly"
classname = nl[0]
course = course.replace(classname, '').strip()
res = re.match(
r'(\w+)? *([单双]?) *((\d+-\d+,?)+)', course)
assert res, "Course information parsing abnormal"
info = {
'classname': classname,
'classtime': [time+1],
'day': day+1,
'week': list(filter(None, res.group(3).split(','))),
'oe': oeDict.get(res.group(2), 3),
'classroom': [res.group(1)],
}
courseInfo[id] = info
elif course != '\xa0' and id in courseInfo.keys():
courseInfo[id]['classtime'].append(time+1)
for course in courseInfo.values():
purecourse = {key: value for key,
value in course.items() if key != "classroom"}
if str(purecourse) in courseList:
courseList[str(purecourse)]["classroom"].append(
course["classroom"][0])
else:
courseList[str(purecourse)] = course
courseInfoRes = [course for course in courseList.values()]
print("Class Schedule Processed Successfully")
def setReminder(reminder):
global timeReminder
reminder = 15 if reminder == '' else reminder
time_tuple = re.match(r"(([\d ]+) days, )*(\d+):(\d+):(\d+)",
str(datetime.timedelta(minutes=int(reminder)))).groups()[1:]
time_map = map(lambda x: x if x else "0", time_tuple)
timeReminder = "-P{}DT{}H{}M{}S".format(*list(time_map))
print("SetReminder:", timeReminder)
def setClassTime():
data = []
with open('conf_classTime.json', 'r') as f:
data = json.load(f)
global classTimeList
classTimeList = data["classTime"]
print("Setting ClassTime Successfully.")
def save(string):
f = open("class.ics", 'wb')
f.write(string.encode("utf-8"))
f.close()
class ICal(object):
def __init__(self, firstWeekDate, schedule, courseInfo):
self.firstWeekDate = firstWeekDate
self.schedule = schedule
self.courseInfo = courseInfo
@classmethod
def withStrDate(cls, strdate, *args):
firstWeekDate = time.strptime(strdate, "%Y%m%d")
return cls(firstWeekDate, *args)
def handler(self, info):
weekday = info["day"]
oe = info["oe"]
firstDate = datetime.datetime.fromtimestamp(
int(time.mktime(self.firstWeekDate)))
info['daylist'] = list()
for weeks in info["week"]:
startWeek, endWeek = map(int, weeks.split('-'))
startDate, endDate = firstDate + datetime.timedelta(days=(float(
(startWeek - 1) * 7) + weekday - 1)), firstDate + datetime.timedelta(days=(float((endWeek - 1) * 7) + weekday - 1))
while True:
if (
oe == 3
or (oe == 1)
and (startWeek % 2 == 1)
or (oe == 2)
and (startWeek % 2 == 0)
):
info['daylist'].append(startDate.strftime("%Y%m%d"))
startDate = startDate + datetime.timedelta(days=7.0)
startWeek = startWeek + 1
if (startDate > endDate):
break
return info
def to_ical(self):
prop = {
'PRODID': '-//Google Inc//Google Calendar 70.9054//EN',
'VERSION': '2.0',
'CALSCALE': 'GREGORIAN',
'METHOD': 'PUBLISH',
'X-WR-CALNAME': '课程表',
'X-WR-TIMEZONE': 'Asia/Shanghai'
}
cal = Calendar()
for key, value in prop.items():
cal.add(key, value)
courseInfo = map(self.handler, self.courseInfo)
for course in courseInfo:
startTime = self.schedule[course['classtime'][0]-1]['startTime']
endTime = self.schedule[course['classtime'][-1]-1]['endTime']
classroom = list(filter(None, course["classroom"]))
createTime = datetime.datetime.now()
for day in course['daylist']:
sub_prop = {
'CREATED': createTime,
'SUMMARY': "{0} | {1}".format(course['classname'], '/'.join(classroom)),
'UID': uuid.uuid4().hex + '@google.com',
'DTSTART': datetime.datetime.strptime(day+startTime, '%Y%m%d%H%M'),
'DTEND': datetime.datetime.strptime(day+endTime, '%Y%m%d%H%M'),
'DTSTAMP': createTime,
'LAST-MODIFIED': createTime,
'SEQUENCE': '0',
'TRANSP': 'OPAQUE',
'X-APPLE-TRAVEL-ADVISORY-BEHAVIOR': 'AUTOMATIC'
}
sub_prop_alarm = {
'ACTION': 'DISPLAY',
'DESCRIPTION': 'This is an event reminder',
'TRIGGER': timeReminder
}
event = Event()
for key, value in sub_prop.items():
event.add(key, value)
alarm = Alarm()
for key, value in sub_prop_alarm.items():
alarm[key] = value
event.add_component(alarm)
cal.add_component(event)
# weekly info
fweek = datetime.date.fromtimestamp(
int(time.mktime(self.firstWeekDate))) - datetime.timedelta(days=1.0)
createTime = datetime.datetime.now()
for _ in range(18):
sub_prop = {
'CREATED': createTime,
'SUMMARY': "学期第 {} 周".format(_ + 1),
'UID': uuid.uuid4().hex + '@google.com',
'DTSTART': fweek,
'DTEND': fweek + datetime.timedelta(days=7.0),
'DTSTAMP': createTime,
'LAST-MODIFIED': createTime,
'SEQUENCE': '0',
'TRANSP': 'OPAQUE',
'X-APPLE-TRAVEL-ADVISORY-BEHAVIOR': 'AUTOMATIC'
}
fweek += datetime.timedelta(days=7.0)
event = Event()
for key, value in sub_prop.items():
event.add(key, value)
cal.add_component(event)
return bytes.decode(cal.to_ical(), encoding='utf-8').replace('\r\n', '\n').strip()
if __name__ == "__main__":
firstWeekDate = None
classTimeList = None
courseInfoRes = None
timeReminder = None
headers = {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36'}
userInfo = input(
'Please input your Username and Password to Login(Separated by Space in one line): ').split()
try:
print("Getting Cookies...")
gCookie = loginCookie(userInfo[0], userInfo[1]) # Type: Dict
except:
print('Meet the error when try to Login, please try again.')
sys.exit(0)
# gCookie = {'ASP.NET_SessionId': 'rc11ki45x4545w3njnbpfbqw'}
print("Getting Class Schedule...")
textDom = getDom(gCookie)
if not textDom:
print('Meet the error when try to get RawClass, please try again.')
sys.exit(0)
else:
print("Getting Class Schedule Successfully")
print("Processing Class Schedule...")
classHandler(textDom)
print("Setting ClassTime...")
setClassTime()
firstWeekDate = input(
'Please set the Monday date of the first week (eg 20160905): ') # Date of the first week of Monday
print("Setting The First WeekDate...")
print("SetFirstWeekDate:", firstWeekDate)
reminder = input(
'The reminder function is being configured, please set the reminder time in minutes (default 15): ')
print("Setting Reminder...")
setReminder(reminder)
print("Creating and Saving ics File...")
iCal = ICal.withStrDate(firstWeekDate, classTimeList, courseInfoRes)
with open("./class.ics", "w", encoding="utf-8") as f:
f.write(iCal.to_ical())
print("File Saved Successfully")