def __init__(self):
super(ImageSearch, self).__init__()
model_name = config.image_config['modelname']
detect_name = config.image_config['detectname']
self.extract_model = util.get_model(model_name).load_model()
self.detect_model = util.get_model(
detect_name).load_model() if detect_name else None
def reset_model(self, dataset, test_id = 0):
self._dataset = dataset
if dataset == 'msra':
init_proto_name, init_model_name = util.get_model(dataset, 'baseline', test_id)
proto_name, model_name = util.get_model(dataset, 'pose_ren', test_id)
else:
init_proto_name, init_model_name = util.get_model(dataset, 'baseline')
proto_name, model_name = util.get_model(dataset, 'pose_ren')
print(init_proto_name, init_model_name)
print(proto_name, model_name)
self._net = caffe.Net(proto_name, caffe.TEST, weights=model_name)
self._net_init = caffe.Net(init_proto_name, caffe.TEST, weights=init_model_name)
def languages_del(lang_id):
"""
Deletes a language
Params:
lang_id (int): the language to delete
Returns:
a redirect to the language view page
"""
model = util.get_model()
lang = model.Language.query.filter_by(id=lang_id).scalar()
if lang is None:
error = "Failed to delete language \'{}\' as it does not exist.".format(
lang_id)
current_app.logger.info(error)
flash(error, "danger")
return redirect(url_for("languages.languages_view"))
try:
model.db.session.delete(lang)
model.db.session.commit()
flash("Deleted language \'{}\'".format(lang.name), "warning")
except IntegrityError:
model.db.session.rollback()
error = "Failed to delete language \'{}\' as it's referenced in another DB element".format(
lang_id)
current_app.logger.info(error)
flash(error, "danger")
return redirect(url_for("languages.languages_view"))
def display_lang_add_form(lang_id):
"""
Displays the language add template
Params:
lang_id (int): lang_id
Returns:
a rendered language add/edit template
"""
model = util.get_model()
if lang_id is None: # add
return render_template("language/add_edit.html", action_label="Add")
else: # edit
lang = model.Language.query.filter_by(id=lang_id).scalar()
if lang is None:
error = "Failed to edit language \'{}\' as language doesn't exist.".format(
lang_id)
current_app.logger.info(error)
flash(error, "danger")
return redirect(url_for("languages.languages_view"))
return render_template("language/add_edit.html",
action_label="Edit",
lang_id=lang_id,
name=lang.name,
syntax_mode=lang.syntax_mode,
is_enabled=lang.is_enabled,
run_script=lang.run_script,
default_template=lang.default_template)
def login_submit():
"""processes login requests"""
model = util.get_model()
if "email" not in request.form:
flash("Email not found", "danger")
abort(401)
if "password" not in request.form:
flash("Password not found", "danger")
abort(401)
email = request.form.get("email")
password = request.form.get("password")
try:
user = model.User.query.filter_by(email=email).one()
except NoResultFound as e:
flash("Invalid username or password", "danger")
abort(401)
is_matching = user.verify_password(password)
if is_matching:
flash("Login successful", "success")
login_user(user)
return redirect("/admin")
else:
flash("Invalid username or password", "danger")
abort(401)
def clarifications_del(clar_id):
"""
Deletes a clarification
Params:
clar_id (int): the clarification to delete
Returns:
a redirect to the clarification view page
"""
model = util.get_model()
clar = model.Clarification.query.filter_by(id=clar_id).scalar()
if clar is None:
error = "Failed to delete clarification \'{}\' as it doesn't exist.".format(
clar_id)
current_app.logger.info(error)
flash(error, "danger")
return redirect(url_for("clarifications.clarifications_view"))
try:
model.db.session.delete(clar)
model.db.session.commit()
flash("Deleted clarification \'{}\'".format(clar_id), "warning")
except IntegrityError:
model.db.session.rollback()
error = "Failed to delete clarification \'{}\' as it's referenced in another DB element".format(
clar_id)
current_app.logger.info(error)
flash(error, "danger")
return redirect(url_for("clarifications.clarifications_view"))
def add_clar():
"""
Adds or edits a clarification
Note:
must be called from within a request context
Returns:
a redirect to the clarification view page
"""
model = util.get_model()
subject = request.form.get("subject")
contents = request.form.get("contents")
if subject is None:
error = "Failed to add clarification due to undefined subject."
current_app.logger.info(error)
flash(error, "danger")
return redirect(url_for("clarifications.clarifications_view"))
if contents is None:
error = "Failed to add clarification due to undefined contents."
current_app.logger.info(error)
flash(error, "danger")
return redirect(url_for("clarifications.clarifications_view"))
thread = str(uuid.uuid4())
is_public = True #This is a general clarification, which are always public
clar = model.Clarification(current_user, subject, contents, thread,
is_public)
model.db.session.add(clar)
model.db.session.commit()
return redirect(url_for("clarifications.clarifications_view"))
def display_user_add_form(user_id):
"""
Displays the user add template
Params:
user_id (int): user_id
Returns:
a rendered user add/edit template
"""
model = util.get_model()
if user_id is None: # add
return render_template("users/add_edit.html",
action_label="Add",
user=None)
else: # edit
user = model.User.query.filter_by(id=user_id).scalar()
if user is None:
error = "Failed to edit user \'{}\' as user doesn't exist.".format(
user_id)
current_app.logger.info(error)
flash(error, "danger")
return redirect(url_for("users.users_view"))
return render_template("users/add_edit.html",
action_label="Edit",
user=user)
def scoreboard():
model = util.get_model()
defendants = model.User.query.filter(model.User.user_roles.any(id="defendant")).all()
problems = model.Problem.query.all()
contest = model.Contest.query.first() #TODO: replace with correct contest
# compute scoreboard
scores = collections.OrderedDict()
for user in defendants:
user_scores = collections.OrderedDict()
for problem in problems:
runs = model.Run.query.filter_by(is_submission=True, user=user, contest=contest, problem=problem).all()
grid = []
for run in runs:
if not run.is_judged:
val = RunState.judging
elif run.is_passed:
val = RunState.passed
else:
val = RunState.failed
grid.append(val)
user_scores[problem.id] = grid
scores[user.id] = user_scores
return render_template("defendant/scoreboard.html", users=defendants, problems=problems, scores=scores, RunState=RunState)
def verify_password(email, password):
"""verifies a user's password"""
model = util.get_model()
user = model.User.query.filter_by(email=email).scalar()
if not user or not user.verify_password(password):
return False
return True
def pred(indata, out):
config = util.initialize_from_env()
model = util.get_model(config)
with tf.Session() as session:
model.restore(session)
with open(out, "w") as output_file:
tensorized_example = model.tensorize_example(indata,
is_training=False)
feed_dict = {
i: t
for i, t in zip(model.input_tensors, tensorized_example)
}
_, _, _, top_span_starts, top_span_ends, top_antecedents, top_antecedent_scores = session.run(
model.predictions, feed_dict=feed_dict)
predicted_antecedents = model.get_predicted_antecedents(
top_antecedents, top_antecedent_scores)
indata["predicted_clusters"], _ = model.get_predicted_clusters(
top_span_starts, top_span_ends, predicted_antecedents)
indata["top_spans"] = list(
zip((int(i) for i in top_span_starts),
(int(i) for i in top_span_ends)))
indata['head_scores'] = []
output_file.write(json.dumps(indata))
output_file.write("\n")
def submit_clarification():
"""submit a clarification"""
model = util.get_model()
current_user_id = get_jwt_identity()
user = model.User.query.filter_by(id=current_user_id).scalar()
subject = request.json.get('subject', None)
contents = request.json.get('contents', None)
problem_slug = request.json.get('problem_slug', None)
parent_id = request.json.get('parent_id', None)
problem = model.Problem.query.filter_by(slug=problem_slug).scalar()
#if problem == None:
thread = ""
if parent_id == None:
thread = str(uuid.uuid4())
else:
thread = model.Clarification.query.filter_by(
id=parent_id).scalar().thread
is_public = False #user submitted clarifications are always false
clar = model.Clarification(current_user, subject, contents, thread,
is_public)
clar.problem = problem
model.db.session.add(clar)
model.db.session.commit()
return "{}"
def display_problem_add_form(problem_id):
"""
Displays the problem add template
Params:
problem_id (int): problem_id
Returns:
a rendered problem add/edit template
"""
model = util.get_model()
problemtypes = model.ProblemType.query.all()
if problem_id is None: # add
return render_template("problems/add_edit.html",
action_label="Add",
problem=None,
problemtypes=problemtypes)
else: # edit
problem = model.Problem.query.filter_by(id=problem_id).scalar()
if problem is None:
error = "Failed to edit problem \'{}\' as problem doesn't exist.".format(
problem_id)
current_app.logger.info(error)
flash(error, "danger")
return redirect(url_for("problems.problems_view"))
return render_template("problems/add_edit.html",
action_label="Edit",
problem=problem,
problemtypes=problemtypes)
def display_contest_add_form(contest_id):
"""
Displays the contest add template
Params:
contest_id (int): contest_id
Returns:
a rendered contest add/edit template
"""
model = util.get_model()
if contest_id is None: # add
return render_template(
"contests/add_edit.html",
action_label="Add",
contest=None,
user_emails=[user.email for user in model.User.query.all()],
problem_slugs=[a.slug for a in model.Problem.query.all()])
else: # edit
contest = model.Contest.query.filter_by(id=contest_id).scalar()
if contest is None:
error = "Failed to edit contest \'{}\' as contest doesn't exist.".format(
contest_id)
current_app.logger.info(error)
flash(error, "danger")
return redirect(url_for("contests.contests_view"))
return render_template(
"contests/add_edit.html",
action_label="Edit",
contest=contest,
user_emails=[user.email for user in model.User.query.all()],
problem_slugs=[a.slug for a in model.Problem.query.all()])
def display_config_add_form(config_id):
"""
Displays the config add template
Params:
config_id (int): config_id
Returns:
a rendered config add/edit template
"""
model = util.get_model()
if config_id is None: # add
return render_template("configurations/add_edit.html",
action_label="Add",
config=None)
else: # edit
config = model.Configuration.query.filter_by(id=config_id).scalar()
if config is None:
error = "Failed to edit config \'{}\' as config doesn't exist.".format(config_id)
current_app.logger.info(error)
flash(error, "danger")
return redirect(url_for("configurations.configurations_view"))
return render_template("configurations/add_edit.html",
action_label="Edit",
config=config)
def train():
train_dir, validation_dir = get_train_val_dirs()
train_dataset = get_dataset(train_dir)
val_dataset = get_dataset(validation_dir)
class_names = np.array(sorted([item.name for item in train_dir.glob('*') if item.name != "LICENSE.txt"]))
util.class_names = class_names
train_dataset = train_dataset.map(process_path, num_parallel_calls=AUTOTUNE)
val_dataset = val_dataset.map(process_path, num_parallel_calls=AUTOTUNE)
train_dataset = configure_for_performance(train_dataset)
val_dataset = configure_for_performance(val_dataset)
print(train_dataset)
model = util.get_model()
base_learning_rate = 0.0001
model.compile(optimizer=tf.keras.optimizers.Adam(lr=base_learning_rate),
loss=tf.keras.losses.BinaryCrossentropy(from_logits=True),
metrics=['accuracy'])
initial_epochs = 10
history = model.fit(train_dataset,
epochs=initial_epochs,
validation_data=val_dataset)
model.save('./tlmodel')
tar = tarfile.open("tlmodel.tar.gz", "w:gz")
tar.add("./tlmodel", arcname="tlmodel")
tar.close()
shutil.move("tlmodel.tar.gz", model_artifacts_path)
def runs_view(page):
"""
The runs view page
Returns:
a rendered runs view template
"""
model = util.get_model()
run_type = request.args.get("run_type")
run_status = request.args.get("run_status")
num_pending = model.Run.query.filter_by(finished_execing_time=None).count()
if run_type == "submissions":
run_query = model.Run.query.filter_by(is_submission=True)
elif run_type == "tests":
run_query = model.Run.query.filter_by(is_submission=False)
else:
run_query = model.Run.query
if run_status == "judged":
run_query = run_query.filter(model.Run.finished_execing_time != None)
elif run_status == "pending":
run_query = run_query.filter_by(finished_execing_time=None)
runs = run_query.order_by(model.Run.submit_time.desc()).paginate(page, 30)
return render_template("runs/view.html",
runs=runs,
run_type=run_type,
run_status=run_status,
num_pending=num_pending)
def main(cfg: DictConfig, train_id: str) -> None:
cwd = Path.cwd()
myutil.print_config(cfg)
# Setting seed
myutil.set_random_seed(0)
model_file_name = "{}_best.pth".format(cfg.model.name)
# Checking history directory
history_dir = cwd / 'history' / train_id
if (history_dir / model_file_name).exists():
pass
else:
return
# Setting result directory
# All outputs will be written into (p / 'result' / train_id).
if not (cwd / 'result').exists():
(cwd / 'result').mkdir(parents=True)
result_dir = cwd / 'result' / train_id
if result_dir.exists():
# removing files in result_dir?
pass
else:
result_dir.mkdir(parents=True, exist_ok=True)
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
# Testing
testset = get_dataset(cfg)
net = myutil.get_model(cfg)
net.module.load_state_dict(torch.load(str(history_dir / model_file_name)))
predict(result_dir, testset, net, device)
def problems_del(problem_id):
"""
Deletes a problem
Params:
problem_id (int): the problem to delete
Returns:
a redirect to the problem view page
"""
model = util.get_model()
problem = model.Problem.query.filter_by(id=problem_id).scalar()
if problem is None:
error = "Failed to delete problem \'{}\' as it doesn't exist.".format(
problem.slug)
current_app.logger.info(error)
flash(error, "danger")
return redirect(url_for("problems.problems_view"))
try:
model.db.session.delete(problem)
model.db.session.commit()
flash("Deleted problem \'{}\'".format(problem.slug), "warning")
except IntegrityError:
model.db.session.rollback()
error = "Failed to delete problem \'{}\' as it's referenced in another DB element".format(
problem.slug)
current_app.logger.info(error)
flash(error, "danger")
return redirect(url_for("problems.problems_view"))
def get_problem(slug):
"""get a specified problem"""
model = util.get_model()
problem = model.Problem.query.filter_by(slug=slug).scalar()
return make_response(jsonify(problem.get_output_dict()), 200)
def train(steps=28, epochs=1, unet=0):
model = get_model(IMAGE_H, IMAGE_W, INPUT_CHANNELS, SAVED_MODEL, unet)
callbacks = [
ProgbarLogger(count_mode='steps', stateful_metrics=None),
ModelCheckpoint('rgb_weights.h5',
monitor='val_loss',
save_best_only=False,
verbose=0),
util.MemLeakCallback()
]
print("Training network")
history = model.fit_generator( #Do training from generator
generator=variation_gen(batch_size),
steps_per_epoch=
steps, #Number of samples obtained using batch_gen or variation_gen (28 for whole dataset)
validation_data=batch_generator(batch_size),
epochs=epochs, #Number of passes over whole dataset
validation_steps=1,
verbose=1,
shuffle=False,
callbacks=callbacks)
model.save("./rgb.h5")
return
def update_user_metadata():
"""update user metadata"""
model = util.get_model()
current_user_id = get_jwt_identity()
current_user = model.User.query.filter_by(id=current_user_id).scalar()
if ("judge" not in current_user.user_roles
and "operator" not in current_user.user_roles):
return make_response(jsonify({'error': 'Unauthorized access'}), 401)
user_email = request.json.get('user_email')
user_misc_metadata = request.json.get('misc_metadata')
if not all([user_email, user_misc_metadata]):
return make_response(
jsonify({'error': 'Invalid request, missing field'}), 400)
if not isinstance(user_misc_metadata, dict):
return make_response(
jsonify({'error':
'Invalid request, misc_metadata must be a dict'}), 400)
matching_user = model.User.query.filter_by(email=user_email).scalar()
if not matching_user:
return make_response(
jsonify({'error': "Invalid request, Couldn't find user"}), 400)
matching_user.merge_metadata(user_misc_metadata)
model.db.session.commit()
return make_response(jsonify({'status': 'Success'}), 200)
def get_scoreboard():
"""get the scoreboard"""
model = util.get_model()
current_user_id = get_jwt_identity()
current_user = model.User.query.filter_by(id=current_user_id).scalar()
if len(current_user.contests) == 0:
return make_response(jsonify({'error': 'User has no contests'}), 400)
contest = current_user.contests[0]
defendants = model.User.query\
.filter(model.User.user_roles.any(id="defendant"))\
.filter(model.User.contests.any(id=contest.id))\
.all()
problems = model.Problem.query\
.filter(model.Problem.contests.any(id=contest.id))\
.filter(model.Problem.is_enabled)\
.all()
user_points = []
for user in defendants:
problem_states = {}
penalty = 0
for problem in problems:
is_passed = 0 < len(
model.Run.query.filter_by(is_submission=True,
is_passed=True,
user=user,
contest=contest,
problem=problem).all())
problem_states[problem.slug] = is_passed
failed_subs = model.Run.query.filter_by(is_submission=True,
is_passed=False,
user=user,
contest=contest,
problem=problem).all()
for sub in failed_subs:
penalty += 1 # TODO we may want to use the time submitted instead of 1
# to match ICPC scoring
user_points.append({
"user":
user.get_output_dict(),
"num_solved":
len([x for x in problem_states.values() if x]),
"penalty":
penalty,
"problem_states":
problem_states
})
user_points.sort(key=lambda x: (x["num_solved"], -x["penalty"]),
reverse=True)
return make_response(jsonify(user_points))
def load_best_model(cnn: bool, in_shape: Tuple[int, ...]) \
-> tf.keras.Model:
"""Load best BiLSTM or CNN-BiLSTM model."""
model = get_model(cnn, in_shape, len(ACCENTS))
model.build(in_shape)
weight_file = path.join(ARTIFACT_DIR, f'{model.name}_loss.hdf5')
model.load_weights(weight_file)
return model
def get_languages():
"""get all languages"""
model = util.get_model()
langs = model.Language.query.all()
filter_langs = [x.get_output_dict() for x in langs if x.is_enabled]
return make_response(jsonify(filter_langs), 200)
def submissions():
model = util.get_model()
submissions = model.Run.query.filter_by(user=current_user, is_submission=True)\
.order_by(model.Run.submit_time.desc())\
.all()
return render_template("defendant/submissions.html", submissions=submissions)
def __init__(self, dataset, center_loader=None,
param=None, use_gpu=False):
self._dataset = dataset
self._center_loader = center_loader
init_proto_name, init_model_name = util.get_model(dataset, 'baseline')
proto_name, model_name = util.get_model(dataset, 'pose_ren')
self._fx, self._fy, self._ux, self._uy = util.get_param(dataset) if param is None else param
self._net = caffe.Net(proto_name, caffe.TEST, weights=model_name)
self._net_init = caffe.Net(init_proto_name, caffe.TEST, weights=init_model_name)
self._input_size = self._net.blobs['data'].shape[-1]
self._cube_size = 150
if use_gpu:
caffe.set_mode_gpu()
caffe.set_device(0)
else:
caffe.set_mode_cpu()
def __init__(self, dataset, model, center_loader=None,
param=None):
self._dataset = dataset
self._center_loader = center_loader
proto_name, model_name = util.get_model(dataset, model)
self._fx, self._fy, self._ux, self._uy = util.get_param(dataset) if param is None else param
self._net = caffe.Net(proto_name, caffe.TEST, weights=model_name)
self._input_size = self._net.blobs['data'].shape[-1]
self._cube_size = 150
def getAllCkptMods():
thresholds = range(200, 2000, 200)
models = []
for threshold in thresholds:
mod = util.get_model(dshape, checkpoint=threshold, name="res")
models.append(mod)
# print(mod.symbol.debug_str())
return models
def main(args):
assert args.dataset in ['mnist', 'cifar', 'svhn'], \
"Dataset parameter must be either 'mnist', 'cifar' or 'svhn'"
assert args.attack in ['fgsm', 'bim-a', 'bim-b', 'jsma', 'cw-l2', 'all', 'cw-lid'], \
"Attack parameter must be either 'fgsm', 'bim-a', 'bim-b', " \
"'jsma', 'cw-l2', 'all' or 'cw-lid' for attacking LID detector"
model_file = os.path.join(PATH_DATA, "model_%s.h5" % args.dataset)
assert os.path.isfile(model_file), \
'model file not found... must first train model using train_model.py.'
if args.dataset == 'svhn' and args.attack == 'cw-l2':
assert args.batch_size == 16, \
"svhn has 26032 test images, the batch_size for cw-l2 attack should be 16, " \
"otherwise, there will be error at the last batch-- needs to be fixed."
print('Dataset: %s. Attack: %s' % (args.dataset, args.attack))
# Create TF session, set it as Keras backend
if args.attack == 'cw-l2' or args.attack == 'cw-lid':
config = tf.ConfigProto()
config.gpu_options.per_process_gpu_memory_fraction = 0.4
sess = tf.Session(config=config)
K.set_session(sess)
warnings.warn("Important: remove the softmax layer for cw attacks!")
# use softmax=False to load without softmax layer
model = get_model(args.dataset, softmax=False)
model.compile(loss=cross_entropy,
optimizer='adadelta',
metrics=['accuracy'])
model.load_weights(model_file)
else:
sess = tf.Session()
K.set_session(sess)
model = load_model(model_file)
_, _, X_test, Y_test = get_data(args.dataset)
_, acc = model.evaluate(X_test,
Y_test,
batch_size=args.batch_size,
verbose=0)
print("Accuracy on the test set: %0.2f%%" % (100 * acc))
if args.attack == 'cw-lid': # white box attacking LID detector - an example
X_test = X_test[:1000]
Y_test = Y_test[:1000]
if args.attack == 'all':
# Cycle through all attacks
for attack in ['fgsm', 'bim-a', 'bim-b', 'jsma', 'cw-l2']:
craft_one_type(sess, model, X_test, Y_test, args.dataset, attack,
args.batch_size)
else:
# Craft one specific attack type
craft_one_type(sess, model, X_test, Y_test, args.dataset, args.attack,
args.batch_size)
print('Adversarial samples crafted and saved to %s ' % PATH_DATA)
sess.close()
