def add_post(self, full_subject_id, user, started_by):
"""
Adds or updates the edge depending on the network type:
1- In directed network, adds or update directed edge from user (poster in the thread)
to started_by (originator of the thread). The idea is that a directed edge to
originator grants him influence and power.
2 - In undirected graph, adds or updates edge from user to all previous contributors
of the thread.
"""
# Update total activity on subject so far so that we can assign the right edge weight
# for new contributors in the subject.
self.subject_activity[full_subject_id] += 1
# add user to graph if not added yet.
self.vertex_names.add(user)
# Increase the weight or add an edge between this contributor and the
# user who originated the thread (directed) or other contributors (undirected).
# from the contributor to the starter of the thread.
# Update only if this contributor is new in the subject. Weights are updated
# according to thread activity.
utils.update_edge_weights(
user,
started_by,
args.directed_network,
args.weigh_thread,
self.subject_activity[full_subject_id],
self.subject_contributors[full_subject_id],
self.edge_weights,
)
# add user to the post contributors
(self.subject_contributors[full_subject_id]).add(user)
def add_post(self, full_subject_id, user, started_by):
"""
Adds or updates the edge depending on the network type:
1- In directed network, adds or update directed edge from user (poster in the thread)
to started_by (originator of the thread). The idea is that a directed edge to
originator grants him influence and power.
2 - In undirected graph, adds or updates edge from user to all previous contributors
of the thread.
"""
# Update total activity on subject so far so that we can assign the right edge weight
# for new contributors in the subject.
self.subject_activity[full_subject_id] += 1
# add user to graph if not added yet.
self.vertex_names.add(user)
# Increase the weight or add an edge between this contributor and the
# user who originated the thread (directed) or other contributors (undirected).
# from the contributor to the starter of the thread.
# Update only if this contributor is new in the subject. Weights are updated
# according to thread activity.
utils.update_edge_weights(user, started_by, args.directed_network,
args.weigh_thread,
self.subject_activity[full_subject_id],
self.subject_contributors[full_subject_id],
self.edge_weights)
# add user to the post contributors
(self.subject_contributors[full_subject_id]).add(user)
# represents whatever discussion up to end of 2014-02-01. Same is true for a coin
# whose earliest trade in on 2014-02-02, its network only contains interactions up
# to end of 2014-02-01 (beginning of 2014-02-02).
if new_date:
utils.write_network(output_dir, str(date_time.date()), vertex_names,
edge_weights, args.directed_network, args.csv_output)
# Now that we took a snapshot of the networks from previous date, we can decay
# edges.
if decay_factor > 0:
utils.decay_edges(edge_weights, decay_factor)
# update the date now that we have checked for new date.
prev_date = datetime.date(date_time.year, date_time.month, date_time.day)
# Update total activity on subject so far so that we can assign the right edge
# weight for new contributors in the subject.
new_subject = full_subject_id not in subject_activity
subject_activity[full_subject_id] += 1
# add user to graph if not added yet.
vertex_names.add(user)
utils.update_edge_weights(user, started_by, args.directed_network,
args.weigh_thread,
subject_activity[full_subject_id],
subject_contributors[full_subject_id],
edge_weights)
# add user to the post contributors
(subject_contributors[full_subject_id]).add(user)
