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wtc_pa.py
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wtc_pa.py
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"""
A module for testing the readability of the Wikipedia Talk Corpus: Personal Attack corpus.
Heavily inspired by a Jupyter notebook template provided here:
https://github.com/ewulczyn/wiki-detox/blob/master/src/figshare/Wikipedia%20Talk%20Data%20-%20Getting%20Started.ipynb
"""
import csv
import sys
import pandas as pd
# Constants
ATTACK_ANNOTATIONS_FILE = "attack_annotations.tsv"
ATTACK_ANNOTATED_COMMENTS_FILE = "attack_annotated_comments.tsv"
SAMPLES_TO_SHOW=3
def load_corpus() -> pd.DataFrame:
# Loads the comments and annotations files.
print("Wikipedia Talk Labels: Personal Attacks: Loading...")
df = pd.read_csv('attack_annotated_comments.tsv', sep = '\t', index_col = 0)
annotations = pd.read_csv('attack_annotations.tsv', sep = '\t')
# print(len(comments['rev_id'].unique()))
print(f"No of comments annotated: {len(annotations['rev_id'].unique())}")
# Annotations by majority voting.
labels_attack = annotations.groupby('rev_id')['attack'].mean() > 0.5
labels_recipient_attack = annotations.groupby('rev_id')['recipient_attack'].mean() > 0.5
labels_third_party_attack = annotations.groupby('rev_id')['third_party_attack'].mean() > 0.5
# Augment the original comments dataframe with the annotation labels.
df['attack'] = labels_attack
df['recipient_attack'] = labels_recipient_attack
df['third_party_attack'] = labels_third_party_attack
print(f"No of attacks: {len(df.query('attack'))}")
print(f"No of recipient attacks: {len(df.query('recipient_attack'))}")
print(f"No of third-party attacks: {len(df.query('third_party_attack'))}")
# Reinsert the newlines and tabs.
df['comment'] = df['comment'].apply(lambda x: x.replace("NEWLINE_TOKEN", "\n"))
df['comment'] = df['comment'].apply(lambda x: x.replace("TAB_TOKEN", "\t"))
return df
def _test():
df = load_corpus()
# Print a sample of the available comments for the user.
print("Sample of the personal attacks:")
print(f"\t{df.query('attack')['comment'].head(SAMPLES_TO_SHOW)}")
print("Sample of the non-attacks:")
print(f"\t{df.query('not(attack)')['comment'].head(SAMPLES_TO_SHOW)}")
# Run a simple test.
if __name__ == "__main__":
command: str = None
command = 'add_annotations' # TODO: Remove this line
if not command:
if len(sys.argv) > 1:
command = sys.argv[1]
if command == 'add_annotations':
df = load_corpus()
# Save the corpus with annotations to a file.
filename = 'corpus.with_annotations.tsv'
df.to_csv(filename, sep='\t', quoting=csv.QUOTE_NONNUMERIC)
# Post-Conditions:
# Make sure the written file equals the original dataframe.
read_df = pd.read_csv(filename, sep = '\t', index_col = 0)
assert df.equals(read_df)
else:
# By default, just run a simple test.
_test()