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) # Improved Function to correct tense errors in a sentence (Tense Correction) def correct_tense_errors(text): doc = nlp(text) corrected_text = [] for token in doc: if token.pos_ == "VERB": lemma = wordnet.morphy(token.text, wordnet.VERB) or token.text if token.tag_ in {"VB", "VBP"}: # Present tense verb correction corrected_text.append(lemma) elif token.tag_ in {"VBD", "VBN"}: # Past tense correction corrected_text.append(lemma + "ed") else: corrected_text.append(token.text) else: corrected_text.append(token.text) return ' '.join(corrected_text) # Improved 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": if token.tag_ == "NN" and token.head.pos_ == "VERB" and token.head.tag_ == "VBZ": # Singular noun with singular verb corrected_text.append(token.text + 's') # Make plural elif token.tag_ == "NNS" and token.head.pos_ == "VERB" and token.head.tag_ == "VBP": # Plural noun with plural verb corrected_text.append(token.lemma_) # Correct to singular else: corrected_text.append(token.text) else: corrected_text.append(token.text) return ' '.join(corrected_text) # Improved Function to check and correct article errors def correct_article_errors(text): doc = nlp(text) corrected_text = [] vowels = "aeiou" for i, token in enumerate(doc): if token.text.lower() in ['a', 'an']: next_token = token.nbor(1) next_word_lemma = next_token.lemma_ if next_token.lemma_ else next_token.text if token.text == "a" and next_word_lemma[0].lower() in vowels: corrected_text.append("an") elif token.text == "an" and next_word_lemma[0].lower() not in vowels: corrected_text.append("a") else: corrected_text.append(token.text) else: corrected_text.append(token.text) return ' '.join(corrected_text) # Enhanced Paraphrasing function using SpaCy and NLTK (Humanifier) def paraphrase_with_spacy_nltk(text): doc = nlp(text) paraphrased_words = [] for token in doc: pos = None if token.pos_ in {"NOUN"}: pos = wordnet.NOUN elif token.pos_ in {"VERB"}: pos = wordnet.VERB elif token.pos_ in {"ADJ"}: pos = wordnet.ADJ elif token.pos_ in {"ADV"}: pos = wordnet.ADV synonyms = get_synonyms_nltk(token.text.lower(), pos) if pos else [] # Replace with a synonym only if it makes sense contextually if synonyms and token.pos_ in {"NOUN", "VERB", "ADJ", "ADV"} and synonyms[0] != token.text.lower(): paraphrased_words.append(synonyms[0]) else: paraphrased_words.append(token.text) paraphrased_sentence = ' '.join(paraphrased_words) return paraphrased_sentence # Combined function: Paraphrase -> Grammar Correction -> Capitalization (Humanifier) def paraphrase_and_correct(text): # Step 1: Paraphrase the text paraphrased_text = paraphrase_with_spacy_nltk(text) # Step 2: Apply grammatical corrections on the paraphrased text corrected_text = correct_article_errors(paraphrased_text) corrected_text = capitalize_sentences_and_nouns(corrected_text) corrected_text = correct_singular_plural_errors(corrected_text) # Step 3: Capitalize sentences and proper nouns (final correction step) final_text = correct_tense_errors(corrected_text) return 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()