def milestones(self):
j = self.provider.schedule(game_id=self.game_id)
try:
milestones = j["dates"][0]["games"][0]["content"]["media"][
"milestones"]
except:
raise
return AttrDict()
start_timestamps = []
start_time = next(m["timeAbsolute"] for m in milestones["items"]
if m["type"] == "BROADCAST_START")
# start_timestamps.append(
# ("S", start_time)
# )
start_offset = next(m["timeOffset"] for m in milestones["items"]
if m["type"] == "BROADCAST_START")
start_timestamps.append(("Start", int(start_offset)))
timestamps = AttrDict(start_timestamps)
timestamps.update(
AttrDict([(f"P{m['ordinalNum'][0]}" if int(m["period"]) <= 3 else
m['ordinalNum'], int(m["timeOffset"]))
for m in milestones["items"]
if m["type"] == "PERIOD_START"]))
# raise Exception(timestamps)
timestamps.update([("Live", None)])
return timestamps
def media_timestamps(self, game_id, media_id):
j = self.schedule(game_id=game_id)
try:
milestones = j["dates"][0]["games"][0]["content"]["media"]["milestones"]
except:
return AttrDict()
start_timestamps = []
start_time = next(
m["timeAbsolute"]
for m in milestones["items"]
if m["type"] == "BROADCAST_START"
)
start_timestamps.append(
("S", start_time)
)
start_offset = next(
m["timeOffset"]
for m in milestones["items"]
if m["type"] == "BROADCAST_START"
)
start_timestamps.append(
("SO", int(start_offset))
)
timestamps = AttrDict(start_timestamps)
timestamps.update(AttrDict([
(m["period"] if int(m["period"]) <= 3 else "O", int(m["timeOffset"]))
for m in milestones["items"]
if m["type"] == "PERIOD_START"
]))
# raise Exception(timestamps)
return timestamps
def media_timestamps(self, game_id, media_id):
try:
airing = next(a for a in self.airings(game_id)
if a["mediaId"] == media_id)
except StopIteration:
raise MLBSessionException("No airing for media %s" % (media_id))
timestamps = AttrDict([
("S",
next(t["startDatetime"] for t in next(
m for m in airing["milestones"]
if m["milestoneType"] == "BROADCAST_START")["milestoneTime"]
if t["type"] == "absolute")),
("SO",
next(t["start"] for t in next(
m for m in airing["milestones"]
if m["milestoneType"] == "BROADCAST_START")["milestoneTime"]
if t["type"] == "offset")),
])
timestamps.update(
AttrDict([("%s%s" % ("T" if next(
k for k in m["keywords"]
if k["type"] == "top")["value"] == "true" else "B",
int(
next(k for k in m["keywords"]
if k["type"] == "inning")["value"])),
next(t["start"] for t in m["milestoneTime"]
if t["type"] == "offset"))
for m in airing["milestones"]
if m["milestoneType"] == "INNING_START"]))
return timestamps
def save_file(self, upload, filename, if_exists):
original_name = upload.get('filename', None)
filemeta = AttrDict(filename=original_name)
filename = filename or original_name or 'data.bin'
filepath = os.path.join(self.path, filename)
# Security check: don't allow files to be written outside path:
if not os.path.realpath(filepath).startswith(
os.path.realpath(self.path)):
raise HTTPError(
FORBIDDEN,
reason='FileUpload: filename %s is outside path: %s' %
(filename, self.path))
if os.path.exists(filepath):
if if_exists == 'error':
raise HTTPError(FORBIDDEN,
reason='FileUpload: file exists: %s' %
filename)
elif if_exists == 'unique':
# Rename to file.1.ext or file.2.ext etc -- whatever's available
name, ext = os.path.splitext(filepath)
name_pattern = name + '.%s' + ext
i = 1
while os.path.exists(name_pattern % i):
i += 1
filepath = name_pattern % i
elif if_exists == 'backup':
name, ext = os.path.splitext(filepath)
backup = '{}.{:%Y%m%d-%H%M%S}{}'.format(
name, datetime.now(), ext)
shutil.copyfile(filepath, backup)
filemeta['backup'] = os.path.relpath(backup,
self.path).replace(
os.path.sep, '/')
elif if_exists != 'overwrite':
raise HTTPError(INTERNAL_SERVER_ERROR,
reason='FileUpload: if_exists: %s invalid' %
if_exists)
# Create the directory to write in, if reuqired
folder = os.path.dirname(filepath)
if not os.path.exists(folder):
os.makedirs(folder)
# Save the file
with open(filepath, 'wb') as handle:
handle.write(upload['body'])
mime = upload['content_type'] or mimetypes.guess_type(filepath,
strict=False)[0]
filemeta.update(
file=os.path.relpath(filepath,
self.path).replace(os.path.sep, '/'),
size=os.stat(filepath).st_size,
mime=mime or 'application/octet-stream',
created=time.time() * MILLISECONDS, # JS parseable timestamp
)
return filemeta
def media_timestamps(self, game_id, media_id):
try:
airing = next(a for a in self.airings(game_id)
if a["mediaId"] == media_id)
except StopIteration:
raise MLBSessionException("No airing for media %s" % (media_id))
start_timestamps = []
try:
start_time = next(t["startDatetime"] for t in next(
m for m in airing["milestones"]
if m["milestoneType"] == "BROADCAST_START")["milestoneTime"]
if t["type"] == "absolute")
except StopIteration:
# Some streams don't have a "BROADCAST_START" milestone. We need
# something, so we use the scheduled game start time, which is
# probably wrong.
start_time = airing["startDate"]
start_timestamps.append(("S", start_time))
try:
start_offset = next(t["start"] for t in next(
m for m in airing["milestones"]
if m["milestoneType"] == "BROADCAST_START")["milestoneTime"]
if t["type"] == "offset")
except StopIteration:
# Same as above. Missing BROADCAST_START milestone means we
# probably don't get accurate offsets for inning milestones.
start_offset = 0
start_timestamps.append(("SO", start_offset))
timestamps = AttrDict(start_timestamps)
timestamps.update(
AttrDict([("%s%s" % ("T" if next(
k for k in m["keywords"]
if k["type"] == "top")["value"] == "true" else "B",
int(
next(k for k in m["keywords"]
if k["type"] == "inning")["value"])),
next(t["start"] for t in m["milestoneTime"]
if t["type"] == "offset"))
for m in airing["milestones"]
if m["milestoneType"] == "INNING_START"]))
return timestamps
def milestones(self):
try:
# try to get the precise timestamps for this stream
airing = next(
a for a in self.provider.session.airings(self.game_id)
if len(a["milestones"]) and a["mediaId"] == self.media_id)
except StopIteration:
# welp, no timestamps -- try to get them from whatever feed has them
try:
airing = next(
a for a in self.provider.session.airings(self.game_id)
if len(a["milestones"]))
except StopIteration:
logger.warning(
SGStreamSessionException("No airing for media %s" %
(self.media_id)))
return AttrDict([("Start", 0)])
start_timestamps = []
try:
start_time = next(t["startDatetime"] for t in next(
m for m in airing["milestones"]
if m["milestoneType"] == "BROADCAST_START")["milestoneTime"]
if t["type"] == "absolute")
except StopIteration:
# Some streams don't have a "BROADCAST_START" milestone. We need
# something, so we use the scheduled game start time, which is
# probably wrong.
start_time = airing["startDate"]
# start_timestamps.append(
# ("Start", start_time)
# )
try:
start_offset = next(t["start"] for t in next(
m for m in airing["milestones"]
if m["milestoneType"] == "BROADCAST_START")["milestoneTime"]
if t["type"] == "offset")
except StopIteration:
# Same as above. Missing BROADCAST_START milestone means we
# probably don't get accurate offsets for inning milestones.
start_offset = 0
start_timestamps.append(("Start", start_offset))
timestamps = AttrDict(start_timestamps)
timestamps.update(
AttrDict([("%s%s" % ("T" if next(
k for k in m["keywords"]
if k["type"] == "top")["value"] == "true" else "B",
int(
next(k for k in m["keywords"]
if k["type"] == "inning")["value"])),
next(t["start"] for t in m["milestoneTime"]
if t["type"] == "offset"))
for m in airing["milestones"]
if m["milestoneType"] == "INNING_START"]))
# If we didn't get a BROADCAST_START timestamp but did get a timestamp
# for the first inning, just use something reasonable (1st inning start
# minus 15 minutes.)
if timestamps.get("Start") == 0 and "T1" in timestamps:
timestamps["Start"] = timestamps["T1"] - 900
timestamps.update([("Live", None)])
return timestamps
def _call(self, inp, inp_features, is_training, is_posterior=True, prop_state=None):
print("\n" + "-" * 10 + " ConvGridObjectLayer(is_posterior={}) ".format(is_posterior) + "-" * 10)
# --- set up sub networks and attributes ---
self.maybe_build_subnet("box_network", builder=cfg.build_conv_lateral, key="box")
self.maybe_build_subnet("attr_network", builder=cfg.build_conv_lateral, key="attr")
self.maybe_build_subnet("z_network", builder=cfg.build_conv_lateral, key="z")
self.maybe_build_subnet("obj_network", builder=cfg.build_conv_lateral, key="obj")
self.maybe_build_subnet("object_encoder")
_, H, W, _, n_channels = tf_shape(inp_features)
if self.B != 1:
raise Exception("NotImplemented")
if not self.initialized:
# Note this limits the re-usability of this module to images
# with a fixed shape (the shape of the first image it is used on)
self.batch_size, self.image_height, self.image_width, self.image_depth = tf_shape(inp)
self.H = H
self.W = W
self.HWB = H*W
self.batch_size = tf.shape(inp)[0]
self.is_training = is_training
self.float_is_training = tf.to_float(is_training)
inp_features = tf.reshape(inp_features, (self.batch_size, H, W, n_channels))
is_posterior_tf = tf.ones_like(inp_features[..., :2])
if is_posterior:
is_posterior_tf = is_posterior_tf * [1, 0]
else:
is_posterior_tf = is_posterior_tf * [0, 1]
objects = AttrDict()
base_features = tf.concat([inp_features, is_posterior_tf], axis=-1)
# --- box ---
layer_inp = base_features
n_features = self.n_passthrough_features
output_size = 8
network_output = self.box_network(layer_inp, output_size + n_features, self.is_training)
rep_input, features = tf.split(network_output, (output_size, n_features), axis=-1)
_objects = self._build_box(rep_input, self.is_training)
objects.update(_objects)
# --- attr ---
if is_posterior:
# --- Get object attributes using object encoder ---
yt, xt, ys, xs = tf.split(objects['normalized_box'], 4, axis=-1)
yt, xt, ys, xs = coords_to_image_space(
yt, xt, ys, xs, (self.image_height, self.image_width), self.anchor_box, top_left=False)
transform_constraints = snt.AffineWarpConstraints.no_shear_2d()
warper = snt.AffineGridWarper(
(self.image_height, self.image_width), self.object_shape, transform_constraints)
_boxes = tf.concat([xs, 2*xt - 1, ys, 2*yt - 1], axis=-1)
_boxes = tf.reshape(_boxes, (self.batch_size*H*W, 4))
grid_coords = warper(_boxes)
grid_coords = tf.reshape(grid_coords, (self.batch_size, H, W, *self.object_shape, 2,))
if self.edge_resampler:
glimpse = resampler_edge.resampler_edge(inp, grid_coords)
else:
glimpse = tf.contrib.resampler.resampler(inp, grid_coords)
else:
glimpse = tf.zeros((self.batch_size, H, W, *self.object_shape, self.image_depth))
# Create the object encoder network regardless of is_posterior, otherwise messes with ScopedFunction
encoded_glimpse = apply_object_wise(
self.object_encoder, glimpse, n_trailing_dims=3, output_size=self.A, is_training=self.is_training)
if not is_posterior:
encoded_glimpse = tf.zeros_like(encoded_glimpse)
layer_inp = tf.concat([base_features, features, encoded_glimpse, objects['local_box']], axis=-1)
network_output = self.attr_network(layer_inp, 2 * self.A + n_features, self.is_training)
attr_mean, attr_log_std, features = tf.split(network_output, (self.A, self.A, n_features), axis=-1)
attr_std = self.std_nonlinearity(attr_log_std)
attr = Normal(loc=attr_mean, scale=attr_std).sample()
objects.update(attr_mean=attr_mean, attr_std=attr_std, attr=attr, glimpse=glimpse)
# --- z ---
layer_inp = tf.concat([base_features, features, objects['local_box'], objects['attr']], axis=-1)
n_features = self.n_passthrough_features
network_output = self.z_network(layer_inp, 2 + n_features, self.is_training)
z_mean, z_log_std, features = tf.split(network_output, (1, 1, n_features), axis=-1)
z_std = self.std_nonlinearity(z_log_std)
z_mean = self.training_wheels * tf.stop_gradient(z_mean) + (1-self.training_wheels) * z_mean
z_std = self.training_wheels * tf.stop_gradient(z_std) + (1-self.training_wheels) * z_std
z_logit = Normal(loc=z_mean, scale=z_std).sample()
z = self.z_nonlinearity(z_logit)
objects.update(z_logit_mean=z_mean, z_logit_std=z_std, z_logit=z_logit, z=z)
# --- obj ---
layer_inp = tf.concat([base_features, features, objects['local_box'], objects['attr'], objects['z']], axis=-1)
rep_input = self.obj_network(layer_inp, 1, self.is_training)
_objects = self._build_obj(rep_input, self.is_training)
objects.update(_objects)
# --- final ---
_objects = AttrDict()
for k, v in objects.items():
_, _, _, *trailing_dims = tf_shape(v)
_objects[k] = tf.reshape(v, (self.batch_size, self.HWB, *trailing_dims))
objects = _objects
if prop_state is not None:
objects.prop_state = tf.tile(prop_state[0:1, None], (self.batch_size, self.HWB, 1))
objects.prior_prop_state = tf.tile(prop_state[0:1, None], (self.batch_size, self.HWB, 1))
# --- misc ---
objects.n_objects = tf.fill((self.batch_size,), self.HWB)
objects.pred_n_objects = tf.reduce_sum(objects.obj, axis=(1, 2))
objects.pred_n_objects_hard = tf.reduce_sum(tf.round(objects.obj), axis=(1, 2))
return objects