helpers.py 文件源码

def getOneStudentJson(college_code='1mv',year='14',branch='is',regno=45):
    client = MongoClient()

    db = client.results

    students = db.students

    student = students.find_one({"usn" : (college_code + year
        +branch + str(regno).zfill(3)).upper()})

    if student:
        return dumps(student) #dumps is used to convert bson format of mongodb to json

    else :
        student = student_results(college_code,year,branch,regno)
        db.students.insert_one(student)
        return dumps(student)