def main():
fem = 0
male = 0
for year in range(1975, 2016):
print('Parsing movies in %d...' % (year))
# Creates year folders if they don't exist; clears them if they do
clear_dir('%s/fem/%d' % (DESTFOL, year))
clear_dir('%s/male/%d' % (DESTFOL, year))
# Preprocesses data by gender, year, and movie
females = read_folder_dict('%s/fem/%d' % (SRCFOL, year), year)
for movie in females:
fem += preprocess(movie, 'fem')
males = read_folder_dict('%s/male/%d' % (SRCFOL, year), year)
for movie in males:
male += preprocess(movie, 'male')
print('-----------------------------')
print('NUMBER OF WORDS SPOKEN')
print('\tMale:\t\t%d' % (male))
print('\tFemale:\t\t%d' % (fem))
def main():
# Creates year folders if they don't exist; clears them if they do
for year in range(1975, 2016):
clear_dir('%s/fem/%d' % (DESTFOL, year))
clear_dir('%s/male/%d' % (DESTFOL, year))
cornell()
imsdb()
def convert(youtube_url, download_directory, downloads_list):
"""Converts Youtube Video to MP4 File."""
clear_dir(download_directory, downloads_list)
yt = YouTube(youtube_url)
yt.streams.first().download(download_directory)
new_filename = yt.streams.first().default_filename
return send_from_directory(download_directory, new_filename, as_attachment=True)
def main():
# Creates year folders if they don't exist; clears them if they do
for year in range(1975, 2016):
clear_dir('%s/%d' % (DESTFOL, year))
genderize = Genderize(user_agent='GenderizeDocs/0.0',
api_key=config.api_key,
timeout=60)
femCount = 0
maleCount = 0
unkCount = 0
for year in range(1975, 2016):
print('Gendering movies in %d...' % (year))
movies = read_folder_dict('%s/%d' % (SRCFOL, year), year)
for movie in movies:
characters = {}
title = movie['title']
lines = movie['text'].split('\n')
outFile = open('%s/%d/%s' % (DESTFOL, year, title),
mode='w',
encoding='ISO-8859-1')
for i in range(2, len(lines)):
fields = lines[i].split('\t')
if len(fields) < 2:
continue
name = fields.pop(0)
gender = getGender(name, characters, genderize)
outFile.write('%s\t%s\t%s\n' %
(name, gender, ' '.join(fields)))
for gender in characters.values():
if gender == '?':
unkCount += 1
elif gender == 'f':
femCount += 1
elif gender == 'm':
maleCount += 1
outFile.close()
print('Finished %s...' % (title))
print('----------------------------------------')
print('NUMBER OF CHARACTERS')
print('\tMale:\t\t%d' % (maleCount))
print('\tFemale:\t\t%d' % (femCount))
print('\tUnknown:\t%d' % (unkCount))
def actor():
""" Returns an MP4 File"""
val_str = "youtube.com/watch?v="
youtube_url = str(request.form['youtube_url'])
val_str_res = validate_str(youtube_url, val_str)
try:
if(val_str_res == True):
clear_dir(downloads, downloads_list)
return convert(youtube_url, downloads, downloads_list)
except:
clear_dir(downloads, downloads_list)
return redirect('/')
def main():
for year in range(1975, 2016):
# Creates year folders if they don't exist; clears them if they do
clear_dir('%s/txt/%d' % (FOL, year))
print('Parsing movies in %d...' % (year))
# Preprocesses data by gender, year, and movie
movies = read_folder_dict('%s/html/%d' % (FOL, year), year)
for movie in movies:
parse(movie)
print('-----------------------------')
def main():
# Clears directory
for year in range(1975, 2020):
clear_dir('%s/html/%d' % (FOL, year))
inFile = open('%s/movie_script_urls.txt' % (FOL), mode='r',
encoding='ISO-8859-1')
outFile = open('%s/movie_metadata.txt' % (FOL), mode='w',
encoding='ISO-8859-1')
counter = 0
for line in inFile:
fields = line.split('\t')
title = fields[0]
year = fields[1]
url = fields[2]
regex = re.compile('([^\s\w]|_)+')
filename = regex.sub('', title.lower()).replace(' ', '_')
try:
page = urlopen(url)
soup = BeautifulSoup(page, 'html.parser')
text = soup.prettify()
write_file('%s/html/%s/%s.html' % (FOL, year, filename), text)
except:
print('Could not download %s.' % (title))
continue
outFile.write('%d\t%s' % (counter, line))
print('Finished downloading %s...' % (title))
counter += 1
outFile.close()
inFile.close()
def index():
"""Returns Index Page."""
clear_dir(downloads, downloads_list)
return render_template("index.html")
def train_model(X, model_params, n_max_epochs, early_stop, model_name, random_sample_size = 10, n_folds = 5):
"""
Trains a model for each cross validation fold and
saves all models along with CBTs to ./output/<model_name>
Args:
X (np array): dataset (train+test) with shape [N_Subjects, N_ROIs, N_ROIs, N_Views]
n_max_epochs (int): number of training epochs (if early_stop == True this is maximum epoch limit)
early_stop (bool): if set true, model will stop training when overfitting starts.
model_name (string): name for saving the model
random_sample_size (int): random subset size for SNL function
n_folds (int): number of cross validation folds
Return:
models: trained models
"""
models = []
save_path = MODEL_WEIGHT_BACKUP_PATH + "/" + model_name + "/"
if not os.path.exists(save_path):
os.makedirs(save_path)
model_id = str(uuid.uuid4())
with open(save_path + "model_params.txt", 'w') as f:
print(model_params, file=f)
CBTs = []
scores = []
for i in range(n_folds):
torch.cuda.empty_cache()
print("********* FOLD {} *********".format(i))
train_data, test_data, train_mean, train_std = helper.preprocess_data_array(X, number_of_folds=n_folds, current_fold_id=i)
test_casted = [d.to(device) for d in helper.cast_data(test_data)]
loss_weightes = torch.tensor(np.array(list((1 / train_mean) / np.max(1 / train_mean))*len(train_data)), dtype = torch.float32)
loss_weightes = loss_weightes.to(device)
train_casted = [d.to(device) for d in helper.cast_data(train_data)]
model = DGN(model_params)
model = model.to(device)
optimizer = torch.optim.AdamW(model.parameters(), lr=model_params["learning_rate"], weight_decay= 0.00)
targets = [torch.tensor(tensor, dtype = torch.float32).to(device) for tensor in train_data]
test_errors = []
tick = time.time()
for epoch in range(n_max_epochs):
model.train()
losses = []
for data in train_casted:
#Compose Dissimilarity matrix from network outputs
cbt = model(data)
views_sampled = random.sample(targets, random_sample_size)
sampled_targets = torch.cat(views_sampled, axis = 2).permute((2,1,0))
expanded_cbt = cbt.expand((sampled_targets.shape[0],model_params["N_ROIs"],model_params["N_ROIs"]))
diff = torch.abs(expanded_cbt - sampled_targets) #Absolute difference
sum_of_all = torch.mul(diff, diff).sum(axis = (1,2)) #Sum of squares
l = torch.sqrt(sum_of_all) #Square root of the sum
losses.append((l * loss_weightes[:random_sample_size * model_params["n_attr"]]).sum())
#Backprob
optimizer.zero_grad()
loss = torch.mean(torch.stack(losses))
loss.backward()
optimizer.step()
#Track the loss
if epoch % 10 == 0:
cbt = DGN.generate_cbt_median(model, train_casted)
rep_loss = DGN.mean_frobenious_distance(cbt, test_casted)
tock = time.time()
time_elapsed = tock - tick
tick = tock
rep_loss = float(rep_loss)
test_errors.append(rep_loss)
print("Epoch: {} | Test Rep: {:.2f} | Time Elapsed: {:.2f} |".format(epoch, rep_loss, time_elapsed))
#Early stopping control
if len(test_errors) > 6 and early_stop:
torch.save(model.state_dict(), TEMP_FOLDER + "/weight_" + model_id + "_" + str(rep_loss)[:5] + ".model")
last_6 = test_errors[-6:]
if(all(last_6[i] < last_6[i + 1] for i in range(5))):
print("Early Stopping")
break
#Restore best model so far
try:
restore = "./temp/weight_" + model_id + "_" + str(min(test_errors))[:5] + ".model"
model.load_state_dict(torch.load(restore))
except:
pass
torch.save(model.state_dict(), save_path + "fold" + str(i) + ".model")
models.append(model)
#Generate and save refined CBT
cbt = DGN.generate_cbt_median(model, train_casted)
rep_loss = DGN.mean_frobenious_distance(cbt, test_casted)
cbt = cbt.cpu().numpy()
CBTs.append(cbt)
np.save( save_path + "fold" + str(i) + "_cbt", cbt)
#Save all subject biased CBTs
all_cbts = DGN.generate_subject_biased_cbts(model, train_casted)
np.save(save_path + "fold" + str(i) + "_all_cbts", all_cbts)
scores.append(float(rep_loss))
print("FINAL RESULTS REP: {}".format(rep_loss))
#Clean interim model weights
helper.clear_dir(TEMP_FOLDER)
for i, cbt in enumerate(CBTs):
show_image(cbt, i, scores[i])
return models
