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learnspider.py
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#encoding=utf-8
import urllib2
import urllib
import socket
import cookielib
import gobject
import gtk
import pygtk
import dbmanager
from parsers import CoursesParser, NoticesParser, DocumentsParser, AssignmentsParser, DiscussionsParser
cookie = None
opener = None
host = "http://learn.tsinghua.edu.cn/"
NOTICE_PRE = "http://learn.tsinghua.edu.cn/MultiLanguage/public/bbs/"
DOCUMENT_PRE = "http://learn.tsinghua.edu.cn"
ASSIGNMENT_PRE = "http://learn.tsinghua.edu.cn/MultiLanguage/lesson/student/"
DISCUSSION_PRE = "http://learn.tsinghua.edu.cn/MultiLanguage/public/bbs/"
quit = False
quit_succeed = False
def spidermove(username,password):
global quit_succeed
socket.setdefaulttimeout(5)
quit_succeed = False
print "正在登录..."
login(username,password)
print "登录成功"
#dbmanager.connectdb()
print "正在读取数据..."
readcourses()
print "数据读取完成"
#dbmanager.closedb()
cookie = None
opener = None
quit_succeed = True
def login(user,password):
global cookie
global opener
LOGIN_PAGE_1 = "https://learn.tsinghua.edu.cn/MultiLanguage/lesson/teacher/loginteacher.jsp"
LOGIN_PAGE_2 = "https://learn.tsinghua.edu.cn/MultiLanguage/lesson/teacher/loginteacher_action.jsp"
LOGIN_PAGE_3 = "http://learn.tsinghua.edu.cn/MultiLanguage/lesson/teacher/mainteacher.jsp"
LOGIN_PAGE_4 = "http://learn.tsinghua.edu.cn/MultiLanguage/lesson/student/mainstudent.jsp"
cookie = cookielib.CookieJar()
opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cookie))
opener.addheaders = [('User-agent','Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:17.0) Gecko/17.0 Firefox/17.0')]
data = urllib.urlencode({"userid":user,"userpass":password})
if not quit:
opener.open(LOGIN_PAGE_1,data)
if not quit:
opener.open(LOGIN_PAGE_2)
if not quit:
opener.open(LOGIN_PAGE_3)
if not quit:
opener.open(LOGIN_PAGE_4)
def readcourses():
global cookie
global opener
COURSES_PAGE = "http://learn.tsinghua.edu.cn/MultiLanguage/lesson/student/MyCourse.jsp?language=cn"
print "正在读取：所有课程名称..."
data = opener.open(COURSES_PAGE).read()
coursesparser = CoursesParser()
coursesparser.feed(data)
dbmanager.refreshCoursesdb(coursesparser)
for i in range(0,len(coursesparser.urls)):
print '------',coursesparser.names[i],'------'
print "正在读取：课程公告..."
if not quit:
readNoticesbyCourse(coursesparser.ids[i], coursesparser.names[i]);
print "正在读取：课程文件..."
if not quit:
readDocumentsbyCourse(coursesparser.ids[i], coursesparser.names[i]);
print "正在读取：课程作业..."
if not quit:
readAssignmentsbyCourse(coursesparser.ids[i], coursesparser.names[i]);
print "正在读取：课程讨论..."
if not quit:
readDiscussionsbyCourse(coursesparser.ids[i], coursesparser.names[i]);
def readNoticesbyCourse(courseid, coursename):
global cookie
global opener
NOTICE_PAGE = "http://learn.tsinghua.edu.cn/MultiLanguage/public/bbs/getnoteid_student.jsp?course_id=" + courseid
data = opener.open(NOTICE_PAGE).read()
noticesparser = NoticesParser()
noticesparser.feed(data)
dbmanager.refreshNoticesdb(noticesparser, courseid, coursename)
#for i in range(0,len(noticesparser.urls)):
# print noticesparser.headings[i] + ',' + noticesparser.publishers[i] + ',' + noticesparser.times[i] + ',' + noticesparser.urls[i]
def readDocumentsbyCourse(courseid, coursename):
global cookie
global opener
DOCUMENT_PAGE = "http://learn.tsinghua.edu.cn/MultiLanguage/lesson/student/download.jsp?course_id=" + courseid
data = opener.open(DOCUMENT_PAGE).read()
documentsparser = DocumentsParser()
documentsparser.feed(data)
dbmanager.refreshDocumentsdb(documentsparser, courseid, coursename)
#for i in range(0,len(documentsparser.urls)):
# print documentsparser.headings[i] + ',' + documentsparser.explanations[i] + ',' + documentsparser.sizes[i] + ',' + documentsparser.times[i] + ',' + documentsparser.urls[i]
def readAssignmentsbyCourse(courseid, coursename):
global cookie
global opener
ASSIGNMENT_PAGE = "http://learn.tsinghua.edu.cn/MultiLanguage/lesson/student/hom_wk_brw.jsp?course_id=" + courseid
data = opener.open(ASSIGNMENT_PAGE).read()
assignmentsparser = AssignmentsParser()
assignmentsparser.feed(data)
dbmanager.refreshAssignmentsdb(assignmentsparser, courseid, coursename)
#for i in range(0,len(assignmentsparser.urls)):
# print assignmentsparser.titles[i] + ',' + assignmentsparser.startdates[i] + ',' + assignmentsparser.duedates[i] + ',' + assignmentsparser.statuses[i] + ',' + assignmentsparser.sizes[i] + ','+ assignmentsparser.urls[i]
def readDiscussionsbyCourse(courseid, coursename):
global cookie
global opener
DISCUSSION_PAGE = "http://learn.tsinghua.edu.cn/MultiLanguage/public/bbs/gettalkid_student.jsp?course_id=" + courseid
data = opener.open(DISCUSSION_PAGE).read()
discussionsparser = DiscussionsParser()
discussionsparser.feed(data)
dbmanager.refreshDiscussionsdb(discussionsparser, courseid, coursename)
#for i in range(0,len(discussionsparser.urls)):
# print discussionsparser.subjects[i] + ',' + discussionsparser.authors[i] + ',' + discussionsparser.replynums[i] + ',' + discussionsparser.times[i] + ',' + discussionsparser.urls[i]
#spidermove()