def submitToTimetable(self, term, crn):
if (self.currentPage != self.TIMETABLE):
cg_io.printError(4)
print "Terminating...\n"
exit(-1)
self.browser.select_form('ttform')
form = list(self.browser.forms())[1]
termYear = form.find_control("TERMYEAR")
termYear.value = [str(termYear.possible_items()[term])]
form.find_control('crn').value = crn
# Submit
self.browser.submit()
# Check validity
html = self.browser.response().read()
soup = BeautifulSoup(str(html), 'html5lib')
# Bad crn?
if (soup.find('li', text = re.compile('NO SECTIONS FOUND FOR THIS INQUIRY.')) != None):
return False
# Ok
self.currentPage = self.TIMETABLE
return True
def locateAndParseTerms(self):
if (self.currentPage != self.TIMETABLE):
cg_io.printError(4)
print "Terminating...\n"
exit(-1)
rawItems = list(self.browser.forms())[1].find_control("TERMYEAR").possible_items()
parsedItems = []
for item in rawItems:
item = int(item)
# Math
month = item % 10
year = (item - (item % 100)) / 100
if (month == 1):
month = "Spring"
elif (month == 6):
month = "Summer I"
elif (month == 7):
month = "Summer II"
elif (month == 9):
month = "Fall"
parsedItems.append(month + " " + str(year))
return [parsedItems, rawItems]
def navigateToTimetable(self): if (self.currentPage != self.REGISTRATION_AND_SCHEDULE): cg_io.printError(3) print "Terminating...\n" exit(-1) this_link = list(self.browser.links(text_regex = 'Timetable of Classes'))[0] self.browser.follow_link(this_link) self.currentPage = self.TIMETABLE
def submitToLoginPage(self, username, password): # On login page? if (self.currentPage != self.LOGIN_PAGE): cg_io.printError(1) print "Terminating...\n" exit(-1) result = _attemptLogin(username, password, self.browser) if (result == True): self.currentPage = self.LANDING_PAGE return result
def navigateToRegAndSch(self): if (self.currentPage != self.LANDING_PAGE): cg_io.printError(5) print "Terminating...\n" exit(-1) this_link = list(self.browser.links(text_regex = 'Hokie Spa'))[0] self.browser.follow_link(this_link) this_link = list(self.browser.links(text_regex = 'Registration and Schedule'))[0] self.browser.follow_link(this_link) self.currentPage = self.REGISTRATION_AND_SCHEDULE
def navigateToDropAdd(self, term): if (self.currentPage != self.REGISTRATION_AND_SCHEDULE): cg_io.printError(3) print "Terminating..." exit(-1) # Try to find the add course button theseLinks = list(self.browser.links(url_regex = '/ssb/prod/bwskfreg\.P_AddDropCrse\?term_in=' + str(term))) self.browser.follow_link(these_links[0]) self.currentPage = self.DROP_ADD
def checkDropAddExists(self): if (self.currentPage != self.REGISTRATION_AND_SCHEDULE): cg_io.printError(3) print "Terminating..." exit(-1) # Try to find the add course button theseLinks = list(self.browser.links(text_regex = 'Drop/Add')) # If drop/add isn't open if (len(theseLinks) == 0): return False return True
def submitToDropAdd(self, crn): if (self.currentPage != self.DROP_ADD): cg_io.printError(7) print "Terminating..." exit(-1) # Select the form and control addForm = list(self.browser.forms())[1] self.browser.form = addForm termControl = addForm.find_control(id='crn_id1') termControl.value = str(crn) # Try and submit self.browser.submit()
def locateAndParseTimetableResults(self):
if (self.currentPage != self.TIMETABLE):
cg_io.printError(6)
print "Terminating..."
html = self.browser.response().read()
soup = BeautifulSoup(str(html), 'html5lib')
data_left = soup.findAll('td', attrs = {'class' : 'deleft'})
data_center = soup.findAll('td', attrs = {'class' : 'dedefault'})
data_right = soup.findAll('td', attrs = {'class' : 'deright'})
class_num = _stripTags(str(data_left[0])).strip()
class_name = _stripTags(str(data_left[1]))
prof = _stripTags(str(data_left[2]))
location = _stripTags(str(data_left[3]))
credits = _stripTags(str(data_center[2])).strip()
seats = _stripTags(str(data_center[3])).strip()
days = _stripTags(str(data_center[4])).strip()
# Declare
isOnline = False
startTime = -1
endTime = -1
# Online?
if (len(data_center) == 7):
isOnline = True
else:
startTime =_stripTags(str(data_right[0]))
endTime = _stripTags(str(data_right[1]))
regexSeat = re.compile('Full (0|-\d*) / [\d]*')
classFull = re.match(regexSeat, seats)
return {"classNumber": class_num, "className": class_name, "professor": prof,
"location": location, "credits": credits, "seats": seats, "days": days,
"isOnline": isOnline, "startTime": startTime, "endTime": endTime,
"full": classFull}
def runNormally(unsafe):
cg_io.printWelcome()
print "Preparing. Wait...\n"
# Get a scraper going
mainScraper = navigator.Scraper()
mainScraper.navigateToLoginPage()
success = False
# While you cannot login
while (success != True):
credentialsList = cg_io.requestCredentials()
# Check for <q>
if (credentialsList[0] == "q"):
print "Exiting...\n"
return
cg_io.waitMessage()
success = mainScraper.submitToLoginPage(credentialsList[0], credentialsList[1])
if (success != True):
cg_io.printLoginFailure()
pool = 0
setupThread = ThreadWithReturnValue(target=_setupResources, args=[mainScraper, unsafe])
setupThread.start()
print "Login successful. Welcome, " + credentialsList[0] + "!"
print "Ready\n"
# Run-time loop
command = -1
while (True):
command = cg_io.takeCommand()
killRegex = re.compile("kill \d+")
evalRegex = re.compile("eval \d+")
# Quit operation
if (command == "quit"):
# Try to quit, shutting down the pool
if (pool == 0):
break
elif (pool.hasJobs()):
result = cg_io.requestQuit()
if (result == True):
break
print "Backing out...\n"
continue
# Help operation
elif (command == "help"):
cg_io.printHelp()
continue
# Debug operation
elif (command == "debug"):
print "<return> key at any time to leave debugging context."
pool.broadcastDebug(True)
crn = raw_input("")
pool.broadcastDebug(False)
# Add operation
elif (command == "add"):
cg_io.waitMessage()
# Pool ready?
if (pool == 0):
pool = grinder.GruntPool(30)
# Wait to join
result = setupThread.join()
if (result == -1):
cg_io.printNoDropAdd()
break
# This loop is here because we have to make sure that the CRN is valid
# You only know if the CRN is valid after submitting, so the loop goes here
backingOut = False
while(True):
term = cg_io.requestTermSelection(mainScraper.locateAndParseTerms()[0])
# Quitting
if (term == -1):
print "Backing out...\n"
backingOut = True
break
crn = cg_io.requestCrn()
# Quitting
if (crn == -1):
print "Backing out...\n"
backingOut = True
break
cg_io.waitMessage()
if (mainScraper.submitToTimetable(term, crn) == True):
break
cg_io.printError(6)
if (backingOut == True):
continue
# Report results
dictionary = mainScraper.locateAndParseTimetableResults()
cg_io.printTimetableResultDictionary(dictionary)
answer = cg_io.requestAddAction(dictionary)
# Add a job to the grinder
if (answer == True):
copyScraper = navigator.clone(mainScraper)
pool.releaseGrunt(dictionary, term, crn, copyScraper)
print "Job added\n"
continue
else:
print "Backing out...\n"
continue
# Job reporting
elif (command == "jobs"):
allJobs = pool.getRunningList()
somethingToDisplay = False
if (len(allJobs) > 0):
somethingToDisplay = True
print "Busy:"
for i in range(0, len(allJobs)):
if (i == len(allJobs) - 1 and len(pool.getDoneList()) == 0):
print "[" + str(i) + "]: " + allJobs[i] + "\n"
else:
print "[" + str(i) + "]: " + allJobs[i]
allJobs = pool.getDoneList()
if (len(allJobs) > 0):
somethingToDisplay = True
print "Done:"
for i in range(0, len(allJobs)):
if (i == len(allJobs) - 1):
print allJobs[i] + "\n"
else:
print allJobs[i]
pool.doneJobs = []
if (somethingToDisplay == False):
print "No jobs to display\n"
continue
# Kill operation
elif (killRegex.search(command) != None):
jobNum = map(int, re.findall("\d+", command))[0]
if (len(pool.getRunningList()) <= 0):
print "No jobs to kill\n"
continue
if (jobNum < 0 or jobNum >= len(pool.getRunningList())):
print "Only type a valid job number.\n"
continue
print "Killing job number " + str(jobNum) + "\n"
pool.stopGrunt(jobNum)
continue
# Eval operation
elif (evalRegex.search(command) != None):
evalRate = map(int, re.findall("\d+", command))[0]
if (evalRate < 5):
print "Cannot use an evaluation rate less than 5 seconds.\n"
else:
pool.changeRate(evalRate)
print "Jobs will check for open seats every " + str(evalRate) + " seconds\n"
# Cannot understand command
else:
cg_io.printError(2)
continue
cg_io.printQuitting()
if (pool != 0):
pool.shutdown()
return
