New NU Result System

from bs4 import BeautifulSoup

def getResult(reg, examCode, examYear):
    link='http://www.nu.ac.bd/results/cse/cse_result.php?roll_number=&reg_no={reg}&exm_code={examCode}&exam_year={examYear}'
    r=get(link.format(reg=reg, examCode=examCode, examYear=examYear))

    soup=BeautifulSoup(r.text, 'html.parser')

    if soup.body.table.tr.td.text=='Error! Wrong Registration Number':
        return {'exception':'student_not_found'}

    else:
        fullList,grades=[],{}

        resultRows1=soup.find_all('table')[1].findAll('tr')
        resultRows2=soup.find_all('table')[2].findAll('tr')[1:]

        name=resultRows1[4].find_all('td')[2].text.strip()
        semester=resultRows1[2].td.text.strip().split()[1].lower()

        try:
            cgpa=float(resultRows1[9].find_all('td')[2].text.strip())
        except:
            cgpa=0

        for result in resultRows2:
            singleList=[]
            for singleResult in result.find_all('td'):
                t=singleResult.text.strip()
                if len(t)==4 and t.isnumeric() and t[0]=='0':
                    t='CSE_'+t[1:]
                singleList.append(t)

            grades[singleList[0]]=singleList[3]

            fullList.append(singleList)

        finalJson={'batch':int(str(reg)[0:2])-8, 'cgpa': cgpa, 'courses':fullList, 'exam year':examYear,
                   'exception':'result_found', 'grades':grades, 'name':name, 'registration': reg,
                   'result':'PASSED' if cgpa!=0 else 'FAILED', 'semester':semester,
                   'session':'20'+str(reg)[:2]+'-'+str(int(str(reg)[:2])+1)}

        return finalJson

# Reg Starts With 17 and 2nd Semester Exam Code 5612 and Exam Year 2018
# Reg Starts With 17 and 4th Semester Exam Code 5614 and Exam Year 2018
print(getResult(17502004213, 5612, 2018))