Filer.py

import os

CURRENT_FOLDER = os.getcwd()
DATA_FOLDER = CURRENT_FOLDER + '/data'
DATA_BASE_FILE = DATA_FOLDER + '/data.db'
MANAGEMENT_FILE = DATA_FOLDER + '/management.db'
SETTINGS_FOLDER = CURRENT_FOLDER + '/settings'
SETTINGS_FILE_NAME = 'GeneralSettings.txt'
LAB_FILE_NAME = 'Labs.csv'
TEACHER_FILE_NAME = 'Teachers.csv'
ROOM_FILE_NAME = 'Rooms.csv'
LAB_MANAGEMENT_FILE_NAME = 'LabManagement.csv'
TEACHER_MANAGEMENT_FILE_NAME = 'TeacherManagement.csv'
TIME_HEADER_FILE_NAME = 'TimeHeader.txt'
TIME_TABLE_FOLDER = CURRENT_FOLDER + '/timetables'
TIME_TABLE_FILE_NAME = 'MasterTimeTable'
ROOM_VIEW_FOLDER = TIME_TABLE_FOLDER + '/RoomWise'
TEACHER_VIEW_FOLDER = TIME_TABLE_FOLDER + '/TeacherWise'
CLASS_VIEW_FOLDER = TIME_TABLE_FOLDER + '/ClassWise'
HTML_FOLDER = CURRENT_FOLDER + '/html_files'


def createTimeTableFolder():
    
    import os
    target = TIME_TABLE_FOLDER
    if(not os.path.exists(target)):
        os.mkdir(target)
        os.mkdir('%s' % (TEACHER_VIEW_FOLDER))
        os.mkdir('%s' % (ROOM_VIEW_FOLDER))
        os.mkdir('%s' % (CLASS_VIEW_FOLDER))
        os.mkdir('%s' % HTML_FOLDER)
        os.mkdir('%s/rooms' % HTML_FOLDER)
        os.mkdir('%s/teacher' % HTML_FOLDER)
        os.mkdir('%s/class' % HTML_FOLDER)
    return target

def createDataFolder():
    
    import os
    target = DATA_FOLDER
    if(not os.path.exists(target)):
        os.mkdir(target)
        import teacher
        import lab
        teacher.makeTeacherManagementFile()
        lab.makeLabManagementFile()
    return target

def createSettingsFolder():
    
    import os
    target = SETTINGS_FOLDER
    if(not os.path.exists(target)):
        os.mkdir(target)
    return target

#creates a folder for department data.
def createDepartmentFolder(departmentName):
    'creates department folder in "data" directory'
    import os
    target = '%s/%s' % (DATA_FOLDER, departmentName)
    if(not os.path.exists(target)):
        os.mkdir(target)
    return target



#lists all departments
def listAllDepartments():
    import os
    'TODO: if path does not exists...'
    folders = os.listdir(DATA_FOLDER)
    departs = list()
    for i in folders:
        if(os.path.isdir('%s/%s'%(DATA_FOLDER,i))):
            departs.append(i)
    departs.sort()
    return tuple(departs)

def readGeneralSettingsFile(request):
    import os
    settings = SETTINGS_FOLDER + '/' + SETTINGS_FILE_NAME
    
    if(not os.path.exists(settings)):
        print('Path %s does not exists'%(settings))
        input('TODO: Exception should be raised here....')        
    else:
        f = open(settings,'r')
        tokens = f.readline().strip()
        for l in f:
            if(l.startswith('%s'%(request))):
                t  = l.strip().split('%s'%(tokens))
                return t[-1]
    print('Nothing found about %s in generalSettingsfile...'%(request))
    input('TODO: Exception')        
    return None