def make_discussion_json(document, timestamp_df, handcrafted_df, lifetime_list,
anonymous_coward_name):
discussion_json = dict()
discussion_json["post_url"] = get_post_url(document)
discussion_json["post_title"] = get_post_title(document)
# discussion_json["snapshot_timestamps"] = [repr(float(snapshot_timestamp)) for snapshot_timestamp in lifetime_list]
discussion_json["graph_snapshots"] = list()
comment_gen = comment_generator(document=document)
comment_name_set,\
user_name_set,\
within_discussion_comment_anonymize,\
within_discussion_user_anonymize,\
within_discussion_anonymous_coward = within_discussion_comment_and_user_anonymization(comment_gen=comment_gen,
extract_comment_name=extract_comment_name,
extract_user_name=extract_user_name,
anonymous_coward_name=anonymous_coward_name)
try:
discussion_json["prediction_targets"] = calculate_targets(
document, comment_name_set, user_name_set,
within_discussion_anonymous_coward)
except KeyError as e:
return None
try:
safe_comment_gen = safe_comment_generator(
document=document,
comment_generator=comment_generator,
within_discussion_comment_anonymize=
within_discussion_comment_anonymize,
extract_comment_name=extract_comment_name,
extract_parent_comment_name=extract_parent_comment_name,
extract_timestamp=extract_timestamp,
safe=True)
except TypeError:
return None
try:
initial_post = next(safe_comment_gen)
except TypeError:
return None
try:
timestamp = extract_timestamp(initial_post)
except TypeError:
return None
op_raw_id = extract_user_name(initial_post)
op_id = within_discussion_user_anonymize[op_raw_id]
if op_id == within_discussion_anonymous_coward:
op_is_anonymous = True
else:
op_is_anonymous = False
comment_counter = 0
timestamp_column_names_list,\
timestamp_array = initialize_timestamp_array(discussion_json["prediction_targets"]["comments"] + 1,
cascade_source_timestamp=timestamp)
intermediate_dict = initialize_intermediate(
comment_name_set,
user_name_set,
timestamp,
within_discussion_anonymous_coward,
op_is_anonymous=op_is_anonymous)
comment_tree = spsp.dok_matrix(
(len(comment_name_set), len(comment_name_set)), dtype=np.int8)
user_graph = spsp.dok_matrix((len(user_name_set), len(user_name_set)),
dtype=np.int32)
current_lifetime = 0.0
# lifetime_list.append(np.inf)
for lifetime_counter, lifetime in enumerate(lifetime_list):
while True:
try:
comment = next(safe_comment_gen)
except TypeError:
return None
except StopIteration:
handcrafted_df_row = handcrafted_df.iloc[comment_counter]
time_step_json = make_time_step_json(
current_lifetime, comment_tree, user_graph,
timestamp_array[comment_counter, 1], handcrafted_df_row)
discussion_json["graph_snapshots"].append(time_step_json)
break
if comment is None:
return None
comment_counter += 1
commenter_name = extract_user_name(comment)
if commenter_name is None:
commenter_is_anonymous = True
else:
commenter_is_anonymous = False
try:
discussion_tree,\
user_graph,\
comment_id,\
parent_comment_id,\
commenter_id,\
parent_commenter_id,\
user_graph_modified,\
parent_commenter_is_anonymous,\
comment_id_to_user_id = update_discussion_and_user_graphs(comment=comment,
extract_comment_name=extract_comment_name,
extract_parent_comment_name=extract_parent_comment_name,
extract_user_name=extract_user_name,
discussion_tree=comment_tree,
user_graph=user_graph,
within_discussion_comment_anonymize=within_discussion_comment_anonymize,
within_discussion_user_anonymize=within_discussion_user_anonymize,
within_discussion_anonymous_coward=within_discussion_anonymous_coward,
comment_id_to_user_id=intermediate_dict["comment_id_to_user_id"])
intermediate_dict[
"comment_id_to_user_id"] = comment_id_to_user_id
except RuntimeError:
return None
try:
timestamp = extract_timestamp(comment)
except TypeError:
return None
update_timestamp_array(timestamp_column_names_list,
timestamp_array, timestamp, comment_counter)
timestamp_difference = timestamp_array[
comment_counter, 1] - timestamp_array[comment_counter - 1, 1]
try:
intermediate_dict,\
comment_depth = update_intermediate(discussion_tree,
user_graph,
intermediate_dict,
commenter_is_anonymous,
parent_commenter_is_anonymous,
comment_id,
parent_comment_id,
commenter_id,
parent_commenter_id,
user_graph_modified,
timestamp,
timestamp_difference)
except RuntimeError:
return None
current_lifetime = timestamp_array[comment_counter,
1] - timestamp_array[0, 1]
if current_lifetime >= lifetime:
# Read features.
# handcrafted_df_row = handcrafted_df[feature_list]
handcrafted_df_row = handcrafted_df.iloc[comment_counter]
time_step_json = make_time_step_json(
current_lifetime, comment_tree, user_graph,
timestamp_array[comment_counter, 1], handcrafted_df_row)
discussion_json["graph_snapshots"].append(time_step_json)
break
discussion_json["post_timestamp"] = timestamp_array[0, 1]
# discussion_json["final_comment_tree_size"] = discussion_json["prediction_targets"]["comments"] + 1
# discussion_json["final_user_graph_size"] = discussion_json["prediction_targets"]["users"]
return discussion_json
def make_discussion_json(document, timestamp_df, handcrafted_df, lifetime_list, anonymous_coward_name):
discussion_json = dict()
discussion_json["post_url"] = get_post_url(document)
discussion_json["post_title"] = get_post_title(document)
# discussion_json["snapshot_timestamps"] = [repr(float(snapshot_timestamp)) for snapshot_timestamp in lifetime_list]
discussion_json["graph_snapshots"] = list()
comment_gen = comment_generator(document=document)
comment_name_set,\
user_name_set,\
within_discussion_comment_anonymize,\
within_discussion_user_anonymize,\
within_discussion_anonymous_coward = within_discussion_comment_and_user_anonymization(comment_gen=comment_gen,
extract_comment_name=extract_comment_name,
extract_user_name=extract_user_name,
anonymous_coward_name=anonymous_coward_name)
try:
discussion_json["prediction_targets"] = calculate_targets(document,
comment_name_set,
user_name_set,
within_discussion_anonymous_coward)
except KeyError as e:
return None
try:
safe_comment_gen = safe_comment_generator(document=document,
comment_generator=comment_generator,
within_discussion_comment_anonymize=within_discussion_comment_anonymize,
extract_comment_name=extract_comment_name,
extract_parent_comment_name=extract_parent_comment_name,
extract_timestamp=extract_timestamp,
safe=True)
except TypeError:
return None
try:
initial_post = next(safe_comment_gen)
except TypeError:
return None
try:
timestamp = extract_timestamp(initial_post)
except TypeError:
return None
op_raw_id = extract_user_name(initial_post)
op_id = within_discussion_user_anonymize[op_raw_id]
if op_id == within_discussion_anonymous_coward:
op_is_anonymous = True
else:
op_is_anonymous = False
comment_counter = 0
timestamp_column_names_list,\
timestamp_array = initialize_timestamp_array(discussion_json["prediction_targets"]["comments"] + 1,
cascade_source_timestamp=timestamp)
intermediate_dict = initialize_intermediate(comment_name_set,
user_name_set,
timestamp,
within_discussion_anonymous_coward,
op_is_anonymous=op_is_anonymous)
comment_tree = spsp.dok_matrix((len(comment_name_set),
len(comment_name_set)),
dtype=np.int8)
user_graph = spsp.dok_matrix((len(user_name_set),
len(user_name_set)),
dtype=np.int32)
current_lifetime = 0.0
# lifetime_list.append(np.inf)
for lifetime_counter, lifetime in enumerate(lifetime_list):
while True:
try:
comment = next(safe_comment_gen)
except TypeError:
return None
except StopIteration:
handcrafted_df_row = handcrafted_df.iloc[comment_counter]
time_step_json = make_time_step_json(current_lifetime,
comment_tree,
user_graph,
timestamp_array[comment_counter, 1],
handcrafted_df_row)
discussion_json["graph_snapshots"].append(time_step_json)
break
if comment is None:
return None
comment_counter += 1
commenter_name = extract_user_name(comment)
if commenter_name is None:
commenter_is_anonymous = True
else:
commenter_is_anonymous = False
try:
discussion_tree,\
user_graph,\
comment_id,\
parent_comment_id,\
commenter_id,\
parent_commenter_id,\
user_graph_modified,\
parent_commenter_is_anonymous,\
comment_id_to_user_id = update_discussion_and_user_graphs(comment=comment,
extract_comment_name=extract_comment_name,
extract_parent_comment_name=extract_parent_comment_name,
extract_user_name=extract_user_name,
discussion_tree=comment_tree,
user_graph=user_graph,
within_discussion_comment_anonymize=within_discussion_comment_anonymize,
within_discussion_user_anonymize=within_discussion_user_anonymize,
within_discussion_anonymous_coward=within_discussion_anonymous_coward,
comment_id_to_user_id=intermediate_dict["comment_id_to_user_id"])
intermediate_dict["comment_id_to_user_id"] = comment_id_to_user_id
except RuntimeError:
return None
try:
timestamp = extract_timestamp(comment)
except TypeError:
return None
update_timestamp_array(timestamp_column_names_list,
timestamp_array,
timestamp,
comment_counter)
timestamp_difference = timestamp_array[comment_counter, 1] - timestamp_array[comment_counter-1, 1]
try:
intermediate_dict,\
comment_depth = update_intermediate(discussion_tree,
user_graph,
intermediate_dict,
commenter_is_anonymous,
parent_commenter_is_anonymous,
comment_id,
parent_comment_id,
commenter_id,
parent_commenter_id,
user_graph_modified,
timestamp,
timestamp_difference)
except RuntimeError:
return None
current_lifetime = timestamp_array[comment_counter, 1] - timestamp_array[0, 1]
if current_lifetime >= lifetime:
# Read features.
# handcrafted_df_row = handcrafted_df[feature_list]
handcrafted_df_row = handcrafted_df.iloc[comment_counter]
time_step_json = make_time_step_json(current_lifetime,
comment_tree,
user_graph,
timestamp_array[comment_counter, 1],
handcrafted_df_row)
discussion_json["graph_snapshots"].append(time_step_json)
break
discussion_json["post_timestamp"] = timestamp_array[0, 1]
# discussion_json["final_comment_tree_size"] = discussion_json["prediction_targets"]["comments"] + 1
# discussion_json["final_user_graph_size"] = discussion_json["prediction_targets"]["users"]
return discussion_json
def anonymize_static_dataset(dataset_name, input_data_folder):
document_generator = slashdot.document_generator
comment_generator = slashdot.comment_generator
extract_document_post_name = slashdot.extract_document_post_name
extract_user_name = slashdot.extract_user_name
extract_comment_name = slashdot.extract_comment_name
calculate_targets = slashdot.calculate_targets
extract_timestamp = slashdot.extract_timestamp
extract_parent_comment_name = slashdot.extract_parent_comment_name
if dataset_name == "slashdot":
anonymous_coward_name = "Anonymous Coward"
elif dataset_name == "barrapunto":
anonymous_coward_name = "pobrecito hablador" # "Pendejo Sin Nombre"
else:
print("Invalid dataset name.")
raise RuntimeError
####################################################################################################################
# Dataset-wide user anonymization.
####################################################################################################################
file_name_list = os.listdir(input_data_folder)
source_file_path_list = [
input_data_folder + "/" + file_name for file_name in file_name_list
if not file_name[-1] == "~"
]
document_gen = document_generator(source_file_path_list)
user_name_set,\
within_dataset_user_anonymize = calculate_within_dataset_user_anonymization(document_gen,
comment_generator,
extract_user_name)
file_name_list = os.listdir(input_data_folder)
source_file_path_list = sorted([
input_data_folder + "/" + file_name for file_name in file_name_list
if not file_name[-1] == "~"
])
####################################################################################################################
# Iterate over files and incrementally calculate features.
####################################################################################################################
for document in document_generator(source_file_path_list):
comment_gen = comment_generator(document=document)
################################################################################################################
# Within-discussion comment and user anonymization.
################################################################################################################
comment_name_set,\
user_name_set,\
within_discussion_comment_anonymize,\
within_discussion_user_anonymize,\
within_discussion_anonymous_coward = within_discussion_comment_and_user_anonymization(comment_gen=comment_gen,
extract_comment_name=extract_comment_name,
extract_user_name=extract_user_name,
anonymous_coward_name=anonymous_coward_name)
################################################################################################################
# Calculate prediction targets.
################################################################################################################
try:
target_dict = calculate_targets(
document, comment_name_set, user_name_set,
within_discussion_anonymous_coward)
except KeyError as e:
continue
################################################################################################################
# Initiate a smart/safe iteration over all comments.
################################################################################################################
try:
safe_comment_gen = safe_comment_generator(
document=document,
comment_generator=comment_generator,
within_discussion_comment_anonymize=
within_discussion_comment_anonymize,
extract_comment_name=extract_comment_name,
extract_parent_comment_name=extract_parent_comment_name,
extract_timestamp=extract_timestamp,
safe=True)
except TypeError:
invalid_tree = True
continue
################################################################################################################
# Make initial post json.
################################################################################################################
initial_post = next(safe_comment_gen)
uniform_json = dict()
uniform_json["initial_post"] = dict()
uniform_json["comments"] = list()
uniform_json["initial_post"][
"user_id"] = within_dataset_user_anonymize[extract_user_name(
initial_post)]
uniform_json["initial_post"][
"comment_id"] = within_discussion_comment_anonymize[
extract_comment_name(initial_post)]
try:
uniform_json["initial_post"]["timestamp"] = extract_timestamp(
initial_post)
except TypeError:
continue
uniform_json["initial_post"]["targets"] = target_dict
################################################################################################################
# Make comment json list.
################################################################################################################
invalid_tree = False
while True:
try:
comment = next(safe_comment_gen)
except TypeError:
invalid_tree = True
break
except StopIteration:
break
if comment is None:
invalid_tree = True
break
comment_json = dict()
comment_json["user_id"] = within_dataset_user_anonymize[
extract_user_name(comment)]
comment_json["comment_id"] = within_discussion_comment_anonymize[
extract_comment_name(comment)]
try:
comment_json["timestamp"] = extract_timestamp(comment)
except TypeError:
invalid_tree = True
break
try:
parent_comment_id = within_discussion_comment_anonymize[
extract_parent_comment_name(comment)]
except KeyError:
parent_comment_id = uniform_json["initial_post"]["comment_id"]
comment_json["parent_comment_id"] = parent_comment_id
uniform_json["comments"].append(comment_json)
if invalid_tree:
continue
json_to_store = dict()
json_to_store["uniform_json"] = uniform_json
yield json_to_store
def anonymize_static_dataset(dataset_name,
input_data_folder):
document_generator = slashdot.document_generator
comment_generator = slashdot.comment_generator
extract_document_post_name = slashdot.extract_document_post_name
extract_user_name = slashdot.extract_user_name
extract_comment_name = slashdot.extract_comment_name
calculate_targets = slashdot.calculate_targets
extract_timestamp = slashdot.extract_timestamp
extract_parent_comment_name = slashdot.extract_parent_comment_name
if dataset_name == "slashdot":
anonymous_coward_name = "Anonymous Coward"
elif dataset_name == "barrapunto":
anonymous_coward_name = "pobrecito hablador" # "Pendejo Sin Nombre"
else:
print("Invalid dataset name.")
raise RuntimeError
####################################################################################################################
# Dataset-wide user anonymization.
####################################################################################################################
file_name_list = os.listdir(input_data_folder)
source_file_path_list = [input_data_folder + "/" + file_name for file_name in file_name_list if not file_name[-1] == "~"]
document_gen = document_generator(source_file_path_list)
user_name_set,\
within_dataset_user_anonymize = calculate_within_dataset_user_anonymization(document_gen,
comment_generator,
extract_user_name)
file_name_list = os.listdir(input_data_folder)
source_file_path_list = sorted([input_data_folder + "/" + file_name for file_name in file_name_list if not file_name[-1] == "~"])
####################################################################################################################
# Iterate over files and incrementally calculate features.
####################################################################################################################
for document in document_generator(source_file_path_list):
comment_gen = comment_generator(document=document)
################################################################################################################
# Within-discussion comment and user anonymization.
################################################################################################################
comment_name_set,\
user_name_set,\
within_discussion_comment_anonymize,\
within_discussion_user_anonymize,\
within_discussion_anonymous_coward = within_discussion_comment_and_user_anonymization(comment_gen=comment_gen,
extract_comment_name=extract_comment_name,
extract_user_name=extract_user_name,
anonymous_coward_name=anonymous_coward_name)
################################################################################################################
# Calculate prediction targets.
################################################################################################################
try:
target_dict = calculate_targets(document,
comment_name_set,
user_name_set,
within_discussion_anonymous_coward)
except KeyError as e:
continue
################################################################################################################
# Initiate a smart/safe iteration over all comments.
################################################################################################################
try:
safe_comment_gen = safe_comment_generator(document=document,
comment_generator=comment_generator,
within_discussion_comment_anonymize=within_discussion_comment_anonymize,
extract_comment_name=extract_comment_name,
extract_parent_comment_name=extract_parent_comment_name,
extract_timestamp=extract_timestamp,
safe=True)
except TypeError:
invalid_tree = True
continue
################################################################################################################
# Make initial post json.
################################################################################################################
initial_post = next(safe_comment_gen)
uniform_json = dict()
uniform_json["initial_post"] = dict()
uniform_json["comments"] = list()
uniform_json["initial_post"]["user_id"] = within_dataset_user_anonymize[extract_user_name(initial_post)]
uniform_json["initial_post"]["comment_id"] = within_discussion_comment_anonymize[extract_comment_name(initial_post)]
try:
uniform_json["initial_post"]["timestamp"] = extract_timestamp(initial_post)
except TypeError:
continue
uniform_json["initial_post"]["targets"] = target_dict
################################################################################################################
# Make comment json list.
################################################################################################################
invalid_tree = False
while True:
try:
comment = next(safe_comment_gen)
except TypeError:
invalid_tree = True
break
except StopIteration:
break
if comment is None:
invalid_tree = True
break
comment_json = dict()
comment_json["user_id"] = within_dataset_user_anonymize[extract_user_name(comment)]
comment_json["comment_id"] = within_discussion_comment_anonymize[extract_comment_name(comment)]
try:
comment_json["timestamp"] = extract_timestamp(comment)
except TypeError:
invalid_tree = True
break
try:
parent_comment_id = within_discussion_comment_anonymize[extract_parent_comment_name(comment)]
except KeyError:
parent_comment_id = uniform_json["initial_post"]["comment_id"]
comment_json["parent_comment_id"] = parent_comment_id
uniform_json["comments"].append(comment_json)
if invalid_tree:
continue
json_to_store = dict()
json_to_store["uniform_json"] = uniform_json
yield json_to_store
