def __init__(self):
Spider.__init__(self)
self.school = "mit"
self.ocw_spider = MitOcwSpider()
self.deep_mind = True
class MitSpider(Spider):
ocw_links = {}
course_num_regex = re.compile(r'[0-9]+\.[0-9]+[a-z]*')
def __init__(self):
Spider.__init__(self)
self.school = "mit"
self.ocw_spider = MitOcwSpider()
self.deep_mind = True
def initOcwLinks(self, subject):
self.ocw_links = self.ocw_spider.getOcwLinks(subject)
def getTextBook(self, course_num):
terms = ['2015SP', '2014SP', '2013SP']
for term in terms:
r = requests.get('http://eduapps.mit.edu/textbook/books.html?Term=' + term + '&Subject=' + course_num)
if r.status_code == 200:
soup = BeautifulSoup(r.text)
table = soup.find('table', class_='displayTable')
if table == None:
continue
splits = table.text.strip()[table.text.strip().find('Price') + 6 :].strip().split('\n')
if splits[0] == 'Course Has No Materials':
continue
return 'textbook:' + splits[1] + ' (' + splits[0] + ')' + ' '
return ''
def getMitCourseLink(self, links, course_num):
if course_num == "":
return course_num
if self.ocw_links.get(course_num, '') != '':
return self.ocw_links[course_num]
for link in links:
if link.attrs.has_key("href") and link["href"].find(course_num) != -1 and link["href"].find("editcookie.cgi") == -1:
return link["href"]
return ""
def processStudentCatalog(self, html, f, course_code):
#print html
soup = BeautifulSoup(html);
links_all = soup.find_all("a")
course_links = []
utils = Utils()
for link in links_all:
if link.attrs.has_key("href") and False == link["href"].startswith("editcookie.cgi") \
and False == link["href"].startswith("/ent/cgi-bin") and False == link["href"].startswith("javascript:") \
and False == link["href"].startswith("m"):
course_links.append(link)
course_num = ""
title = ""
link = ""
textbook = ''
prereq = ''
instructors = ''
for line in html.split("\n"):
if (line.strip().startswith('<br>') and utils.clearHtmlTag(line.strip())[1 : 2] == '.') or \
line.find('Prereq:') != -1:
if line.find('Prereq:') != -1:
all_prereq = self.course_num_regex.findall(line.lower())
all_prereq = list(set(all_prereq))
for p in all_prereq:
prereq += p + ' '
if len(all_prereq) > 0:
prereq = 'prereq:' + prereq
#print course_num + '---->' + prereq
if line.strip().startswith('<') and utils.clearHtmlTag(line.strip())[1 : 2] == '.':
instructors = 'instructors:' + utils.clearHtmlTag(line.strip()[0 : line.strip().find('</')]) + ' '
if line.strip().find('<h3>') != -1 or \
(line.strip().startswith('<br>') and (line.strip()[len(line.strip()) - 1 : ] == '.' or line.strip()[len(line.strip()) - 7 : ] == 'limited')):
line = line[line.find('>', 3) + 1 : ]
if line.find('</h3>') == -1:
#print line
if line[0 : line.find('.')] == course_code:
if course_num != '':
print course_num + " " + title + " " + link
if instructors != '' and remark.find('instructors:') == -1:
remark = instructors + ' ' + remark
self.count += 1
self.write_db(f, course_num, title, link, remark)
remark = ''
course_num = ""
title = ""
link = ""
textbook = ''
prereq = ''
instructors = ''
course_num = line.strip()[0 : line.strip().find(" ")]
textbook = ''
if self.deep_mind:
textbook = self.getTextBook(course_num)
if textbook == '' and self.deep_mind and self.ocw_links.get(course_num, '') != '':
textbook = self.ocw_spider.getTextBook(self.ocw_links[course_num], course_num)
title = line.strip()[line.strip().find(" ") + 1 : ]
if course_num.find(',') != -1:
course_num = line.strip()[0 : line.strip().find(" ", line.strip().find(" ") + 1)]
title = line.strip()[line.strip().find(" ", line.strip().find(" ") + 1) + 1 : ]
link = self.getMitCourseLink(course_links, course_num.strip())
else:
remark = ''
if self.deep_mind and self.ocw_links.get(course_num, '') != '':
remark = self.ocw_spider.getDescription(self.ocw_spider.getDescriptionApiUrl(self.ocw_links[course_num]))
if remark.find('description:') != -1:
remark = remark[0 : remark.find('description:')]
if textbook != '':
remark += textbook
if prereq != '':
remark += prereq
remark += 'description:' + line.strip() + ' '
if course_num != '':
self.count = self.count + 1
self.write_db(f, course_num, title, link, remark)
def studentCatalog(self):
#mit
#"""
r = requests.get('http://student.mit.edu/catalog/index.cgi')
soup = BeautifulSoup(r.text)
for a in soup.find_all('a'):
if a['href'].find('http') == -1 and a['href'][0 : 1] == 'm' and a['href'][0 : 4] != 'mail':
subject = a.text
if subject.find('-') != -1:
subject = subject[subject.find('-') + 1 : ]
if subject.find('(') != -1:
subject = subject[0 : subject.find('(')]
subject = subject.strip()
if self.need_update_subject(subject) == False:
continue
print 'init ocw course links'
self.initOcwLinks(subject)
print "downloading mit course info"
file_name = self.get_file_name(subject, self.school)
file_lines = self.countFileLineNum(file_name)
f = self.open_db(file_name + ".tmp")
self.count = 0
print 'processing ' + a['href']
r = requests.get("http://student.mit.edu/catalog/" + a['href'])
print "processing html and write data to file..."
course_code = a['href'][1 : a['href'].find('.html') - 1]
#print 'course_code: ' + course_code
self.processStudentCatalog(r.text, f, course_code)
soup = BeautifulSoup(r.text);
regex = re.compile(a['href'][0 : a['href'].find('.html') - 1] + '[b-z].html')
for link in sorted(list(set(regex.findall(r.text)))):
print 'processing ' + link
r = requests.get("http://student.mit.edu/catalog/" + link)
self.processStudentCatalog(r.text, f, course_code)
self.close_db(f)
if file_lines != self.count and self.count > 0:
self.do_upgrade_db(file_name)
print "before lines: " + str(file_lines) + " after update: " + str(self.count) + " \n\n"
else:
self.cancel_upgrade(file_name)
print "no need upgrade\n"
#"""
def processBulletinCatalog(self, url, subject):
print 'process ' + subject
self.initOcwLinks(subject)
file_name = self.get_file_name(subject, self.school)
file_lines = self.countFileLineNum(file_name)
f = self.open_db(file_name + ".tmp")
self.count = 0
r = requests.get(url)
utils = Utils()
soup = BeautifulSoup(r.text)
for div in soup.find_all('div', class_="courseblock"):
sp = BeautifulSoup(div.prettify())
h4 = sp.find('h4', class_='courseblocktitle')
p1 = sp.find('p', class_='courseblockextra')
p2 = sp.find('p', class_='courseblockdesc')
p3 = sp.find('p', class_='courseblockinstructors seemore')
text = h4.text.replace('\n', '').replace('[J]', '').strip()
course_num = text[0 : text.find(' ')]
title = text[text.find(' ') + 1 : ].strip()
textbook = ''
if self.deep_mind:
textbook = self.getTextBook(course_num)
if textbook == '' and self.deep_mind and self.ocw_links.get(course_num, '') != '':
textbook = self.ocw_spider.getTextBook(self.ocw_links[course_num], course_num)
link = self.getMitCourseLink([], course_num)
preq = ''
same_subject = ''
desc = ''
instructors = ''
remark = ''
units = ''
if p1 != None:
sp_1 = BeautifulSoup(p1.prettify())
span = sp_1.find('span', class_='courseblockprereq')
if span != None:
preq = utils.removeDoubleSpace(span.text.replace('\n', '').replace(',','').replace(';','').strip().lower())
span = sp_1.find('span', class_='courseblockcluster')
if span != None:
same_subject = utils.removeDoubleSpace(span.text.replace('\n', '').strip())
span = sp_1.find('span', class_='courseblockterms')
if span != None:
term = utils.removeDoubleSpace(span.text.replace('\n', '').strip())
span = sp_1.find('span', class_='courseblockhours')
if span != None:
units = utils.removeDoubleSpace(span.text.replace('\n', '').strip())
if p2 != None:
desc = utils.removeDoubleSpace(p2.text.replace('\n', '').strip())
if p3 != None:
instructors = utils.removeDoubleSpace(p3.text.replace('\n', '').strip())
if self.deep_mind and self.ocw_links.get(course_num, '') != '':
remark = self.ocw_spider.getDescription2(self.ocw_spider.getDescriptionApiUrl(self.ocw_links[course_num])) + ' '
if preq != '':
remark += preq.replace(': ', ':') + ' '
if instructors != '':
remark += 'instructors:' + instructors + ' '
if term != '':
remark += 'term:' + term + ' '
if textbook != '':
remark += '' + textbook + ' '
if desc != '':
remark += 'description:' + desc + ' ' + same_subject + ' ' + units
print text
self.count += 1
self.write_db(f, course_num, title, link, remark)
#print remark
self.close_db(f)
if file_lines != self.count and self.count > 0:
self.do_upgrade_db(file_name)
print "before lines: " + str(file_lines) + " after update: " + str(self.count) + " \n\n"
else:
self.cancel_upgrade(file_name)
print "no need upgrade\n"
def bulletinCatalog(self):
r = requests.get('http://catalog.mit.edu/subjects/#bycoursenumbertext')
soup = BeautifulSoup(r.text)
div = soup.find('div', class_='notinpdf')
soup = BeautifulSoup(div.prettify())
for a in soup.find_all('a', class_='sitemaplink'):
subject = a.text.replace('Course', '').strip()
subject = subject[3 :].strip()
if subject[0 : 1] == "/":
subject = subject[2 :].strip()
if self.need_update_subject(subject) == False:
continue
self.processBulletinCatalog("http://catalog.mit.edu" + a['href'], subject)
def doWork(self):
#self.studentCatalog()
self.bulletinCatalog()
class MitSpider(Spider):
ocw_links = {}
course_num_regex = re.compile(r'[0-9]+\.[0-9]+[a-z]*')
def __init__(self):
Spider.__init__(self)
self.school = "mit"
self.ocw_spider = MitOcwSpider()
self.deep_mind = True
def initOcwLinks(self, subject):
self.ocw_links = self.ocw_spider.getOcwLinks(subject)
def getTextBook(self, course_num):
'''
terms = ['2015SP', '2014SP', '2013SP']
for term in terms:
r = requests.get('http://eduapps.mit.edu/textbook/books.html?Term=' + term + '&Subject=' + course_num)
if r.status_code == 200:
soup = BeautifulSoup(r.text)
table = soup.find('table', class_='displayTable')
if table == None:
continue
splits = table.text.strip()[table.text.strip().find('Price') + 6 :].strip().split('\n')
if splits[0] == 'Course Has No Materials':
continue
return 'textbook:' + splits[1] + ' (' + splits[0] + ')' + ' '
'''
return ''
def getMitCourseLink(self, links, course_num):
if course_num == "":
return course_num
if self.ocw_links.get(course_num, '') != '':
return self.ocw_links[course_num]
for link in links:
if link.attrs.has_key("href") and link["href"].find(
course_num) != -1 and link["href"].find(
"editcookie.cgi") == -1:
return link["href"]
return ""
def processStudentCatalog(self, html, f, course_code):
#print html
soup = BeautifulSoup(html)
links_all = soup.find_all("a")
course_links = []
utils = Utils()
for link in links_all:
if link.attrs.has_key("href") and False == link["href"].startswith("editcookie.cgi") \
and False == link["href"].startswith("/ent/cgi-bin") and False == link["href"].startswith("javascript:") \
and False == link["href"].startswith("m"):
course_links.append(link)
course_num = ""
title = ""
link = ""
textbook = ''
prereq = ''
instructors = ''
for line in html.split("\n"):
if (line.strip().startswith('<br>') and utils.clearHtmlTag(line.strip())[1 : 2] == '.') or \
line.find('Prereq:') != -1:
if line.find('Prereq:') != -1:
all_prereq = self.course_num_regex.findall(line.lower())
all_prereq = list(set(all_prereq))
for p in all_prereq:
prereq += p + ' '
if len(all_prereq) > 0:
prereq = 'prereq:' + prereq
#print course_num + '---->' + prereq
if line.strip().startswith('<') and utils.clearHtmlTag(
line.strip())[1:2] == '.':
instructors = 'instructors:' + utils.clearHtmlTag(
line.strip()[0:line.strip().find('</')]) + ' '
if line.strip().find('<h3>') != -1 or \
(line.strip().startswith('<br>') and (line.strip()[len(line.strip()) - 1 : ] == '.' or line.strip()[len(line.strip()) - 7 : ] == 'limited')):
line = line[line.find('>', 3) + 1:]
if line.find('</h3>') == -1:
#print line
if line[0:line.find('.')] == course_code:
if course_num != '':
print course_num + " " + title + " " + link
if instructors != '' and remark.find(
'instructors:') == -1:
remark = instructors + ' ' + remark
self.count += 1
self.write_db(f, course_num, title, link, remark)
remark = ''
course_num = ""
title = ""
link = ""
textbook = ''
prereq = ''
instructors = ''
course_num = line.strip()[0:line.strip().find(" ")]
textbook = ''
if self.deep_mind:
textbook = self.getTextBook(course_num)
if textbook == '' and self.deep_mind and self.ocw_links.get(
course_num, '') != '':
textbook = self.ocw_spider.getTextBook(
self.ocw_links[course_num], course_num)
title = line.strip()[line.strip().find(" ") + 1:]
if course_num.find(',') != -1:
course_num = line.strip()[0:line.strip(
).find(" ",
line.strip().find(" ") + 1)]
title = line.strip(
)[line.strip().find(" ",
line.strip().find(" ") + 1) +
1:]
link = self.getMitCourseLink(course_links,
course_num.strip())
else:
remark = ''
if self.deep_mind and self.ocw_links.get(
course_num, '') != '':
remark = self.ocw_spider.getDescription(
self.ocw_spider.getDescriptionApiUrl(
self.ocw_links[course_num]))
if remark.find('description:') != -1:
remark = remark[0:remark.find('description:')]
if textbook != '':
remark += textbook
if prereq != '':
remark += prereq
remark += 'description:' + line.strip() + ' '
if course_num != '':
self.count = self.count + 1
self.write_db(f, course_num, title, link, remark)
def studentCatalog(self):
#mit
#"""
r = requests.get('http://student.mit.edu/catalog/index.cgi')
soup = BeautifulSoup(r.text)
for a in soup.find_all('a'):
if a['href'].find('http') == -1 and a['href'][
0:1] == 'm' and a['href'][0:4] != 'mail':
subject = a.text
if subject.find('-') != -1:
subject = subject[subject.find('-') + 1:]
if subject.find('(') != -1:
subject = subject[0:subject.find('(')]
subject = subject.strip()
if self.need_update_subject(subject) == False:
continue
print 'init ocw course links'
self.initOcwLinks(subject)
print "downloading mit course info"
file_name = self.get_file_name(subject, self.school)
file_lines = self.countFileLineNum(file_name)
f = self.open_db(file_name + ".tmp")
self.count = 0
print 'processing ' + a['href']
r = requests.get("http://student.mit.edu/catalog/" + a['href'])
print "processing html and write data to file..."
course_code = a['href'][1:a['href'].find('.html') - 1]
#print 'course_code: ' + course_code
self.processStudentCatalog(r.text, f, course_code)
soup = BeautifulSoup(r.text)
regex = re.compile(a['href'][0:a['href'].find('.html') - 1] +
'[b-z].html')
for link in sorted(list(set(regex.findall(r.text)))):
print 'processing ' + link
r = requests.get("http://student.mit.edu/catalog/" + link)
self.processStudentCatalog(r.text, f, course_code)
self.close_db(f)
if file_lines != self.count and self.count > 0:
self.do_upgrade_db(file_name)
print "before lines: " + str(
file_lines) + " after update: " + str(
self.count) + " \n\n"
else:
self.cancel_upgrade(file_name)
print "no need upgrade\n"
#"""
def processBulletinCatalog(self, url, subject):
print 'process ' + subject
self.initOcwLinks(subject)
file_name = self.get_file_name(subject, self.school)
file_lines = self.countFileLineNum(file_name)
f = self.open_db(file_name + ".tmp")
self.count = 0
r = requests.get(url)
utils = Utils()
soup = BeautifulSoup(r.text)
for div in soup.find_all('div', class_="courseblock"):
sp = BeautifulSoup(div.prettify())
h4 = sp.find('h4', class_='courseblocktitle')
p1 = sp.find('p', class_='courseblockextra')
p2 = sp.find('p', class_='courseblockdesc')
p3 = sp.find('p', class_='courseblockinstructors seemore')
text = h4.text.replace('\n', '').replace('[J]', '').strip()
course_num = text[0:text.find(' ')]
title = text[text.find(' ') + 1:].strip()
textbook = ''
if self.deep_mind:
textbook = self.getTextBook(course_num)
if textbook == '' and self.deep_mind and self.ocw_links.get(
course_num, '') != '':
textbook = self.ocw_spider.getTextBook(
self.ocw_links[course_num], course_num)
link = self.getMitCourseLink([], course_num)
preq = ''
same_subject = ''
desc = ''
instructors = ''
remark = ''
units = ''
if p1 != None:
sp_1 = BeautifulSoup(p1.prettify())
span = sp_1.find('span', class_='courseblockprereq')
if span != None:
preq = utils.removeDoubleSpace(
span.text.replace('\n', '').replace(',', '').replace(
';', '').strip().lower())
span = sp_1.find('span', class_='courseblockcluster')
if span != None:
same_subject = utils.removeDoubleSpace(
span.text.replace('\n', '').strip())
span = sp_1.find('span', class_='courseblockterms')
if span != None:
term = utils.removeDoubleSpace(
span.text.replace('\n', '').strip())
span = sp_1.find('span', class_='courseblockhours')
if span != None:
units = utils.removeDoubleSpace(
span.text.replace('\n', '').strip())
if p2 != None:
desc = utils.removeDoubleSpace(
p2.text.replace('\n', '').strip())
if p3 != None:
instructors = utils.removeDoubleSpace(
p3.text.replace('\n', '').strip())
if self.deep_mind and self.ocw_links.get(course_num, '') != '':
remark = self.ocw_spider.getDescription2(
self.ocw_spider.getDescriptionApiUrl(
self.ocw_links[course_num])) + ' '
if preq != '':
remark += preq.replace(': ', ':') + ' '
if instructors != '':
remark += 'instructors:' + instructors + ' '
if term != '':
remark += 'term:' + term + ' '
if textbook != '':
remark += '' + textbook + ' '
if desc != '':
remark += 'description:' + desc + ' ' + same_subject + ' ' + units
print text
self.count += 1
self.write_db(f, course_num, title, link, remark)
#print remark
self.close_db(f)
if file_lines != self.count and self.count > 0:
self.do_upgrade_db(file_name)
print "before lines: " + str(file_lines) + " after update: " + str(
self.count) + " \n\n"
else:
self.cancel_upgrade(file_name)
print "no need upgrade\n"
def bulletinCatalog(self):
r = requests.get('http://catalog.mit.edu/subjects/#bycoursenumbertext')
soup = BeautifulSoup(r.text)
div = soup.find('div', class_='notinpdf')
soup = BeautifulSoup(div.prettify())
for a in soup.find_all('a', class_='sitemaplink'):
subject = a.text.replace('Course', '').strip()
subject = subject[3:].strip()
if subject[0:1] == "/":
subject = subject[2:].strip()
if self.need_update_subject(subject) == False:
continue
self.processBulletinCatalog("http://catalog.mit.edu" + a['href'],
subject)
def doWork(self):
#self.studentCatalog()
self.bulletinCatalog()
def __init__(self):
Spider.__init__(self)
self.school = "mit"
self.ocw_spider = MitOcwSpider()
self.deep_mind = True
class MitSpider(Spider):
ocw_links = {}
course_num_regex = re.compile(r'[0-9]+\.[0-9]+[a-z]*')
def __init__(self):
Spider.__init__(self)
self.school = "mit"
self.ocw_spider = MitOcwSpider()
self.deep_mind = True
def initOcwLinks(self, subject):
self.ocw_links = self.ocw_spider.getOcwLinks(subject)
def getTextBook(self, course_num):
terms = ['2014SP', '2013SP', '2012SP']
for term in terms:
r = requests.get(
'http://eduapps.mit.edu/textbook/books.html?Term=' + term +
'&Subject=' + course_num)
if r.status_code == 200:
soup = BeautifulSoup(r.text)
table = soup.find('table', class_='displayTable')
if table == None:
continue
splits = table.text.strip()[table.text.strip().find('Price') +
6:].strip().split('\n')
if splits[0] == 'Course Has No Materials':
continue
return 'textbook:' + splits[1] + ' (' + splits[0] + ')' + ' '
return ''
def getMitCourseLink(self, links, course_num):
if course_num == "":
return course_num
if self.ocw_links.get(course_num, '') != '':
return self.ocw_links[course_num]
for link in links:
if link.attrs.has_key("href") and link["href"].find(
course_num) != -1 and link["href"].find(
"editcookie.cgi") == -1:
return link["href"]
return ""
def processMitData(self, html, f, course_code):
#print html
soup = BeautifulSoup(html)
links_all = soup.find_all("a")
course_links = []
utils = Utils()
for link in links_all:
if link.attrs.has_key("href") and False == link["href"].startswith("editcookie.cgi") \
and False == link["href"].startswith("/ent/cgi-bin") and False == link["href"].startswith("javascript:") \
and False == link["href"].startswith("m"):
course_links.append(link)
course_num = ""
title = ""
link = ""
textbook = ''
prereq = ''
instructors = ''
for line in html.split("\n"):
if (line.strip().startswith('<br>') and utils.clearHtmlTag(line.strip())[1 : 2] == '.') or \
line.find('Prereq:') != -1:
if line.find('Prereq:') != -1:
all_prereq = self.course_num_regex.findall(line.lower())
all_prereq = list(set(all_prereq))
for p in all_prereq:
prereq += p + ' '
if len(all_prereq) > 0:
prereq = 'prereq:' + prereq
#print course_num + '---->' + prereq
if line.strip().startswith('<') and utils.clearHtmlTag(
line.strip())[1:2] == '.':
instructors = 'instructors:' + utils.clearHtmlTag(
line.strip()[0:line.strip().find('</')]) + ' '
if line.strip().find('<h3>') != -1 or \
(line.strip().startswith('<br>') and (line.strip()[len(line.strip()) - 1 : ] == '.' or line.strip()[len(line.strip()) - 7 : ] == 'limited')):
line = line[line.find('>', 3) + 1:]
if line.find('</h3>') == -1:
#print line
if line[0:line.find('.')] == course_code:
if course_num != '':
print course_num + " " + title + " " + link
if instructors != '' and remark.find(
'instructors:') == -1:
remark = instructors + ' ' + remark
self.count += 1
self.write_db(f, course_num, title, link, remark)
remark = ''
course_num = ""
title = ""
link = ""
textbook = ''
prereq = ''
instructors = ''
course_num = line.strip()[0:line.strip().find(" ")]
textbook = ''
if self.deep_mind:
textbook = self.getTextBook(course_num)
if textbook == '' and self.deep_mind and self.ocw_links.get(
course_num, '') != '':
textbook = self.ocw_spider.getTextBook(
self.ocw_links[course_num], course_num)
title = line.strip()[line.strip().find(" ") + 1:]
if course_num.find(',') != -1:
course_num = line.strip()[0:line.strip(
).find(" ",
line.strip().find(" ") + 1)]
title = line.strip(
)[line.strip().find(" ",
line.strip().find(" ") + 1) +
1:]
link = self.getMitCourseLink(course_links,
course_num.strip())
else:
remark = ''
if self.deep_mind and self.ocw_links.get(
course_num, '') != '':
remark = self.ocw_spider.getDescription(
self.ocw_spider.getDescriptionApiUrl(
self.ocw_links[course_num]))
if remark.find('description:') != -1:
remark = remark[0:remark.find('description:')]
if textbook != '':
remark += textbook
if prereq != '':
remark += prereq
remark += 'description:' + line.strip() + ' '
if course_num != '':
self.count = self.count + 1
self.write_db(f, course_num, title, link, remark)
def doWork(self):
#mit
#"""
r = requests.get('http://student.mit.edu/catalog/index.cgi')
soup = BeautifulSoup(r.text)
for a in soup.find_all('a'):
if a['href'].find('http') == -1 and a['href'][
0:1] == 'm' and a['href'][0:4] != 'mail':
subject = a.text
if subject.find('-') != -1:
subject = subject[subject.find('-') + 1:]
if subject.find('(') != -1:
subject = subject[0:subject.find('(')]
subject = subject.strip()
if self.need_update_subject(subject) == False:
continue
print 'init ocw course links'
self.initOcwLinks(subject)
print "downloading mit course info"
file_name = self.get_file_name(subject, self.school)
file_lines = self.countFileLineNum(file_name)
f = self.open_db(file_name + ".tmp")
self.count = 0
print 'processing ' + a['href']
r = requests.get("http://student.mit.edu/catalog/" + a['href'])
print "processing html and write data to file..."
course_code = a['href'][1:a['href'].find('.html') - 1]
#print 'course_code: ' + course_code
self.processMitData(r.text, f, course_code)
soup = BeautifulSoup(r.text)
regex = re.compile(a['href'][0:a['href'].find('.html') - 1] +
'[b-z].html')
for link in sorted(list(set(regex.findall(r.text)))):
print 'processing ' + link
r = requests.get("http://student.mit.edu/catalog/" + link)
self.processMitData(r.text, f, course_code)
self.close_db(f)
if file_lines != self.count and self.count > 0:
self.do_upgrade_db(file_name)
print "before lines: " + str(
file_lines) + " after update: " + str(
self.count) + " \n\n"
else:
self.cancel_upgrade(file_name)
print "no need upgrade\n"
