def __init__(self, task):
warnings.warn(
"IPython2ProgressBar is deprecated. Please upgrade to IPython "
"version 5 or later.", DeprecationWarning)
super(IPython2ProgressBar, self).__init__(task)
self._escaped_task = escape(task)
self._widget = IPythonProgressWidget()
self._initialized = False
def update_client(self, client):
if self.progress is not None:
client.write_text(
json.dumps({
'name_during':
escape(getattr(self.progress, 'name_during', 'Building')),
'name_after':
escape(getattr(self.progress, 'name_after', 'Build')),
'progress':
self.progress.progress,
'max_steps':
self.progress.max_steps,
'elapsed_time':
str(timestamp2timedelta(self.progress.elapsed_seconds())),
'eta':
str(timestamp2timedelta(self.progress.eta())),
'finished':
self.progress.finished,
'success':
self.progress.success
}))
if self.progress.finished:
self.progress = None
def _reload_update_item(self, uid, old_item, new_item,
new_name_finder): # noqa: C901
"""Tell the client about changes to the item due to reload."""
changed = False
if isinstance(old_item, (nengo.Node, nengo.Ensemble, nengo.Network)):
old_label = self.page.get_label(old_item)
new_label = self.page.get_label(
new_item, default_labels=new_name_finder.known_name)
if old_label != new_label:
self.to_be_sent.append(
dict(type='rename', uid=uid, name=escape(new_label)))
changed = True
if isinstance(old_item, nengo.Network):
if self.page.config[old_item].expanded:
self.to_be_expanded.append(new_item)
changed = True
elif isinstance(old_item, nengo.Connection):
old_pre = NetGraph.connection_pre_obj(old_item)
old_post = NetGraph.connection_post_obj(old_item)
new_pre = NetGraph.connection_pre_obj(new_item)
new_post = NetGraph.connection_post_obj(new_item)
old_pre = self.page.get_uid(old_pre)
old_post = self.page.get_uid(old_post)
new_pre = self.page.get_uid(
new_pre, default_labels=new_name_finder.known_name)
new_post = self.page.get_uid(
new_post, default_labels=new_name_finder.known_name)
if new_pre != old_pre or new_post != old_post:
# if the connection has changed, tell javascript
pres, posts = self.get_connection_hierarchy(
new_item, default_labels=new_name_finder.known_name)
self.to_be_sent.append(
dict(type='reconnect', uid=uid, pres=pres, posts=posts))
changed = True
return changed
def create_object(self, client, obj, obj_type, parent):
"""Send the JSON of the newly created objects to client-side"""
uid = self.page.get_uid(obj)
# if the uid already exists, then it's already been inserted in
# the netgraph, so don't send anything
if uid in self.uids:
return
self.uids[uid] = obj
pos = self.page.config[obj].pos
if pos is None:
import random
pos = random.uniform(0, 1), random.uniform(0, 1)
self.page.config[obj].pos = pos
size = self.page.config[obj].size
if size is None:
size = (0.1, 0.1)
self.page.config[obj].size = size
label = self.page.get_label(obj)
info = dict(uid=uid,
label=escape(label),
pos=pos,
type=obj_type,
size=size,
parent=parent)
info.update(self.get_extra_info(obj))
if type == 'net':
info['expanded'] = self.page.config[obj].expanded
client.write_text(json.dumps(info))