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import os
import gradio as gr
from transformers import pipeline
import spacy
import subprocess
import nltk
from nltk.corpus import wordnet
# Initialize the English text classification pipeline for AI detection
pipeline_en = pipeline(task="text-classification", model="Hello-SimpleAI/chatgpt-detector-roberta")
# Function to predict the label and score for English text (AI Detection)
def predict_en(text):
res = pipeline_en(text)[0]
return res['label'], res['score']
# Ensure necessary NLTK data is downloaded for Humanifier
nltk.download('wordnet')
nltk.download('omw-1.4')
# Ensure the SpaCy model is installed for Humanifier
try:
nlp = spacy.load("en_core_web_sm")
except OSError:
subprocess.run(["python", "-m", "spacy", "download", "en_core_web_sm"])
nlp = spacy.load("en_core_web_sm")
# Function to get synonyms using NLTK WordNet (Humanifier)
def get_synonyms_nltk(word, pos):
synsets = wordnet.synsets(word, pos=pos)
if synsets:
lemmas = synsets[0].lemmas()
return [lemma.name() for lemma in lemmas]
return []
# Function to capitalize the first letter of sentences and proper nouns (Humanifier)
def capitalize_sentences_and_nouns(text):
doc = nlp(text)
corrected_text = []
for sent in doc.sents:
sentence = []
for token in sent:
if token.i == sent.start: # First word of the sentence
sentence.append(token.text.capitalize())
elif token.pos_ == "PROPN": # Proper noun
sentence.append(token.text.capitalize())
else:
sentence.append(token.text)
corrected_text.append(' '.join(sentence))
return ' '.join(corrected_text)
# Function to correct tense errors in a sentence (Tense Correction)
def correct_tense_errors(text):
doc = nlp(text)
corrected_text = []
for token in doc:
# Check for tense correction based on modal verbs
if token.pos_ == "VERB" and token.dep_ in {"aux", "auxpass"}:
# Replace with appropriate verb form
lemma = wordnet.morphy(token.text, wordnet.VERB) or token.text
corrected_text.append(lemma)
else:
corrected_text.append(token.text)
return ' '.join(corrected_text)
# Function to correct singular/plural errors (Singular/Plural Correction)
def correct_singular_plural_errors(text):
doc = nlp(text)
corrected_text = []
for token in doc:
if token.pos_ == "NOUN":
# Check if the noun is singular or plural
if token.tag_ == "NN": # Singular noun
# Look for determiners like "many", "several", "few" to correct to plural
if any(child.text.lower() in ['many', 'several', 'few'] for child in token.head.children):
corrected_text.append(token.lemma_ + 's')
else:
corrected_text.append(token.text)
elif token.tag_ == "NNS": # Plural noun
# Look for determiners like "a", "one" to correct to singular
if any(child.text.lower() in ['a', 'one'] for child in token.head.children):
corrected_text.append(token.lemma_)
else:
corrected_text.append(token.text)
else:
corrected_text.append(token.text)
return ' '.join(corrected_text)
# Function to check and correct article errors
def correct_article_errors(text):
doc = nlp(text)
corrected_text = []
for token in doc:
if token.text in ['a', 'an']:
next_token = token.nbor(1)
if token.text == "a" and next_token.text[0].lower() in "aeiou":
corrected_text.append("an")
elif token.text == "an" and next_token.text[0].lower() not in "aeiou":
corrected_text.append("a")
else:
corrected_text.append(token.text)
else:
corrected_text.append(token.text)
return ' '.join(corrected_text)
# Function to get the correct synonym while maintaining verb form
def replace_with_synonym(token):
pos = None
if token.pos_ == "VERB":
pos = wordnet.VERB
elif token.pos_ == "NOUN":
pos = wordnet.NOUN
elif token.pos_ == "ADJ":
pos = wordnet.ADJ
elif token.pos_ == "ADV":
pos = wordnet.ADV
synonyms = get_synonyms_nltk(token.lemma_, pos)
if synonyms:
synonym = synonyms[0]
# Ensure the correct grammatical form is maintained
if token.tag_ == "VBG": # Present participle (e.g., running)
synonym = synonym + 'ing'
elif token.tag_ == "VBD" or token.tag_ == "VBN": # Past tense or past participle
synonym = synonym + 'ed'
elif token.tag_ == "VBZ": # Third-person singular present
synonym = synonym + 's'
return synonym
return token.text
# Function to check for and avoid double negatives
def correct_double_negatives(text):
doc = nlp(text)
corrected_text = []
for token in doc:
if token.text.lower() == "not" and any(child.text.lower() == "never" for child in token.head.children):
# Replace the double negative with a positive statement
corrected_text.append("always")
else:
corrected_text.append(token.text)
return ' '.join(corrected_text)
# Function to ensure subject-verb agreement
def ensure_subject_verb_agreement(text):
doc = nlp(text)
corrected_text = []
for token in doc:
if token.dep_ == "nsubj" and token.head.pos_ == "VERB":
# Check if the verb agrees with the subject in number
if token.tag_ == "NN" and token.head.tag_ != "VBZ": # Singular noun, should use singular verb
corrected_text.append(token.head.lemma_ + "s")
elif token.tag_ == "NNS" and token.head.tag_ == "VBZ": # Plural noun, should not use singular verb
corrected_text.append(token.head.lemma_)
corrected_text.append(token.text)
return ' '.join(corrected_text)
# Function to paraphrase and correct grammar
def paraphrase_and_correct(text):
# Capitalize first to ensure proper noun capitalization
paraphrased_text = capitalize_sentences_and_nouns(text)
# Apply grammatical corrections
paraphrased_text = correct_article_errors(paraphrased_text)
paraphrased_text = correct_singular_plural_errors(paraphrased_text)
paraphrased_text = correct_tense_errors(paraphrased_text)
paraphrased_text = correct_double_negatives(paraphrased_text)
paraphrased_text = ensure_subject_verb_agreement(paraphrased_text)
# Replace words with synonyms while maintaining verb form
doc = nlp(paraphrased_text)
final_text = []
for token in doc:
if token.pos_ in {"VERB", "NOUN", "ADJ", "ADV"}:
final_text.append(replace_with_synonym(token))
else:
final_text.append(token.text)
return ' '.join(final_text)
# Gradio app setup with two tabs
with gr.Blocks() as demo:
with gr.Tab("AI Detection"):
t1 = gr.Textbox(lines=5, label='Text')
button1 = gr.Button("🤖 Predict!")
label1 = gr.Textbox(lines=1, label='Predicted Label 🎃')
score1 = gr.Textbox(lines=1, label='Prob')
# Connect the prediction function to the button
button1.click(predict_en, inputs=[t1], outputs=[label1, score1], api_name='predict_en')
with gr.Tab("Humanifier"):
text_input = gr.Textbox(lines=5, label="Input Text")
paraphrase_button = gr.Button("Paraphrase & Correct")
output_text = gr.Textbox(label="Paraphrased Text")
# Connect the paraphrasing function to the button
paraphrase_button.click(paraphrase_and_correct, inputs=text_input, outputs=output_text)
# Launch the app with the remaining functionalities
demo.launch()