How to use the typer.models.TypedDie.objects.filter function in typer

def adminStatisticsView(request, dieName):
    """
    """
    dieObject = Die.objects.filter(name=dieName)[0]

    # Get how many fields and how many have been typed
    allFields = TypedDie.objects.filter(Q(dieImage__die=dieObject))
    typedFields = TypedDie.objects.filter(Q(dieImage__die=dieObject) & ~Q(typedField=""))

    # Get a list of who's on first
    scoreboard = list()
    for user in User.objects.all():
        userTyped = TypedDie.objects.filter(~Q(typedField="") & Q(submitter=user) & Q(dieImage__die=dieObject))
        scoreboard.append( (user, len(userTyped)) )
    sortedScores = sorted(scoreboard, key=lambda tup: tup[1], reverse=True)

    context = {
                  'die' : dieObject,
                  'allFieldCount' : len(allFields),
                  'allTypedCount' : len(typedFields),
                  'scoreboard' : sortedScores
              }
    return render(request, 'typer/adminStatistics.html', context)

# If the given username isn't the logged-in user, see if it's staff.  If not, go no further.
    if userName != request.user.username and not request.user.is_staff:
        return HttpResponse("Only administrators can access user statistics directly")

    # Get the User object from the username
    dieObject = Die.objects.filter(name=dieName)[0]
    specifiedUser = None
    for user in User.objects.all():
        if userName == user.username:
            specifiedUser = user
    if specifiedUser is None:
        return HttpResponse("The user %s does not exist." % userName)

    # Carry on
    userTypedTheseFields = TypedDie.objects.filter(Q(dieImage__die=dieObject) & Q(submitter=specifiedUser))

    # How does this user's entry count compare to the others?
    userEntryTupleList = list()
    for user in User.objects.all():
        if user == specifiedUser:
            continue
        otherUserTypedFields = TypedDie.objects.filter(Q(dieImage__die=dieObject) & Q(submitter=user))
        userEntryTupleList.append((user, len(otherUserTypedFields)))
    sortedByEntry = [x for (y,x) in sorted(userEntryTupleList, key=lambda pair: pair[1], reverse=True)]
    quantityRank = len(sortedByEntry)
    for i in range(len(sortedByEntry)):
        if len(userTypedTheseFields) > sortedByEntry[i]:
            quantityRank = i
            break
    quantityRank += 1

if not usableFields:
            return HttpResponse("All fields have been typed for this die. Check back later to see if there are other dies to type.")

        # Choose a random field to display
        randomField = random.randint(0, len(usableFields)-1)
        randomId = usableFields[randomField].id

        # Display the random page
        return imageInput(request, randomId)

    else:
        # Data has been POSTed
        # Pull the previous die field out of the form's hidden data
        dieId = int(request.POST['dieField'])
        dieField = TypedDie.objects.filter(id=dieId)[0]
        someoneCompletedTheFieldBeforeYou = dieField.completed()

        # Create a form object from the post data and knowledge of which dieField we're dealing with
        form = MonkeyTyperForm(request.POST, instance=dieField)

        # Insure input is valid (if it is, data is stored in dieField, but not saved to the database)
        # TODO: There is a very good chance exceptions aren't being used correctly here
        if not form.is_valid():
            # Redisplay the same page but with an error message
            error = form.errors.as_data()['typedField'][0].message
            return imageInput(request, dieField.id, error, form.data['typedField'])

        # If the strange situation occurred where someone snuck in and completed the field before you
        if someoneCompletedTheFieldBeforeYou:
            # TODO: Convert to django/Python logging
            dieObject = dieField.dieImage.die

specifiedUser = None
    for user in User.objects.all():
        if userName == user.username:
            specifiedUser = user
    if specifiedUser is None:
        return HttpResponse("The user %s does not exist." % userName)

    # Carry on
    userTypedTheseFields = TypedDie.objects.filter(Q(dieImage__die=dieObject) & Q(submitter=specifiedUser))

    # How does this user's entry count compare to the others?
    userEntryTupleList = list()
    for user in User.objects.all():
        if user == specifiedUser:
            continue
        otherUserTypedFields = TypedDie.objects.filter(Q(dieImage__die=dieObject) & Q(submitter=user))
        userEntryTupleList.append((user, len(otherUserTypedFields)))
    sortedByEntry = [x for (y,x) in sorted(userEntryTupleList, key=lambda pair: pair[1], reverse=True)]
    quantityRank = len(sortedByEntry)
    for i in range(len(sortedByEntry)):
        if len(userTypedTheseFields) > sortedByEntry[i]:
            quantityRank = i
            break
    quantityRank += 1

    # For each field the user typed, compare against other users' results
    comparisonMessages = list()
    for userTypedField in userTypedTheseFields:
        typedFieldCount = 0
        perfectMatchCount = 0
        allFieldsRelatedToUserTypedField = TypedDie.objects.filter(Q(dieImage=userTypedField.dieImage) & ~Q(submitter=specifiedUser))
        for field in allFieldsRelatedToUserTypedField:

def adminSummaryHomeView(request, dieName):
    """
    An administrative view that displays a list of images and info about
    the typed information for each for the given Die.  The administrator
    can see how much data has been entered for each image and click on
    the image to open a new view showing more details.
    """
    dieObject = Die.objects.filter(name=dieName)[0]
    allAvailableDieImages = DieImage.objects.filter(Q(die=dieObject))
    allApplicableTypedDies = TypedDie.objects.filter(Q(dieImage__die=dieObject))

    # Count all the entered fields for this die image (TODO: There must be a more Pythonic way to do this)
    totalFields = 0
    totalCompletedFields = 0
    dieIsCompleted = list()
    dieImageEntryCounts = list()
    # TODO: This is very slow right now - seems to be 2/3 python and 1/3 html - could be sped up with a Paginator
    for di in allAvailableDieImages:
        typedFields = allApplicableTypedDies.filter(Q(dieImage=di))
        completedFieldCount = 0
        for tf in typedFields:
            if tf.completed():
                completedFieldCount += 1
        totalFields += len(typedFields)
        totalCompletedFields += completedFieldCount
        dieImageEntryCounts.append(completedFieldCount)

def adminStatisticsView(request, dieName):
    """
    """
    dieObject = Die.objects.filter(name=dieName)[0]

    # Get how many fields and how many have been typed
    allFields = TypedDie.objects.filter(Q(dieImage__die=dieObject))
    typedFields = TypedDie.objects.filter(Q(dieImage__die=dieObject) & ~Q(typedField=""))

    # Get a list of who's on first
    scoreboard = list()
    for user in User.objects.all():
        userTyped = TypedDie.objects.filter(~Q(typedField="") & Q(submitter=user) & Q(dieImage__die=dieObject))
        scoreboard.append( (user, len(userTyped)) )
    sortedScores = sorted(scoreboard, key=lambda tup: tup[1], reverse=True)

    context = {
                  'die' : dieObject,
                  'allFieldCount' : len(allFields),
                  'allTypedCount' : len(typedFields),
                  'scoreboard' : sortedScores
              }
    return render(request, 'typer/adminStatistics.html', context)

data about which die has been randomly chosen passes through to the POST
    method since this view decides it dynamically.

    Note:
    allAvailableFields = allAvailableFields.exclude(Q(dieImage=tuht.dieImage))
    Resulted in large AND NOT query after adding many entries
    Instead two separate queries and subtract out manually
    """
    userIsStaff = request.user.is_staff

    if request.method == 'GET':
        # Standard page display
        dieObject = Die.objects.filter(name=dieName)[0]
        allAvailableFields = TypedDie.objects.filter(Q(typedField="") & Q(dieImage__die=dieObject))

        thingsUserHasTyped = TypedDie.objects.filter(~Q(typedField="") & Q(submitter=request.user) & Q(dieImage__die=dieObject))
        setTyped = [td.dieImage_id for td in thingsUserHasTyped]
        usableFields = list(filter(lambda x: x.dieImage_id not in setTyped, allAvailableFields))
        #print 'avail', len(allAvailableFields)
        #print 'typed', len(setTyped)
        #print 'usable', len(usableFields)

        if not usableFields:
            return HttpResponse("All fields have been typed for this die. Check back later to see if there are other dies to type.")

        # Choose a random field to display
        randomField = random.randint(0, len(usableFields)-1)
        randomId = usableFields[randomField].id

        # Display the random page
        return imageInput(request, randomId)