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import json | |
import os | |
import streamlit as st | |
import pickle | |
from transformers import AutoTokenizer, BertForSequenceClassification, pipeline | |
from sklearn.feature_extraction.text import TfidfVectorizer | |
def load_models(): | |
st.session_state.loaded = True | |
with open('models/tfidf_vectorizer_untrue_inform_detection_tfidf_bg_0.96_F1_score_3Y_N_Q1_082023.pkl', 'rb') as f: | |
st.session_state.tfidf_vectorizer_untrue_inf = pickle.load(f) | |
with open('models/SVM_model_untrue_inform_detection_tfidf_bg_0.96_F1_score_3Y_N_Q1_082023.pkl', 'rb') as f: | |
st.session_state.untrue_detector = pickle.load(f) | |
st.session_state.bert_disinfo = pipeline(task="text-classification", | |
model=BertForSequenceClassification.from_pretrained("usmiva/bert-desinform-bg", num_labels=2), | |
tokenizer=AutoTokenizer.from_pretrained("usmiva/bert-desinform-bg")) | |
st.session_state.bert_gpt = pipeline(task="text-classification", | |
model=BertForSequenceClassification.from_pretrained("usmiva/bert-deepfake-bg", num_labels=2), | |
tokenizer=AutoTokenizer.from_pretrained("usmiva/bert-deepfake-bg")) | |
st.session_state.emotions = pipeline(task="text-classification", | |
model=BertForSequenceClassification.from_pretrained("TRACES/emotions", use_auth_token=os.environ['ACCESS_TOKEN2'], num_labels=11), | |
tokenizer=AutoTokenizer.from_pretrained("usmiva/bert-web-bg")) | |
def load_content(): | |
with open('resource/page_content.json', encoding='utf8') as json_file: | |
return json.load(json_file) | |
def switch_lang(lang): | |
if 'lang' in st.session_state: | |
if lang == 'bg': | |
st.session_state.lang = 'bg' | |
else: | |
st.session_state.lang = 'en' | |
if 'lang' not in st.session_state: | |
st.session_state.lang = 'bg' | |
if all([ | |
'bert_gpt_result' not in st.session_state, | |
'untrue_detector_result' not in st.session_state, | |
'bert_disinfo_result' not in st.session_state, | |
'emotions_result' not in st.session_state | |
]): | |
st.session_state.bert_gpt_result = [{'label': '', 'score': 1}] | |
st.session_state.untrue_detector_result = '' | |
st.session_state.untrue_detector_probability = 1 | |
st.session_state.bert_disinfo_result = [{'label': '', 'score': 1}] | |
st.session_state.emotions_result = [{'label': '', 'score': 1}] | |
content = load_content() | |
if 'loaded' not in st.session_state: | |
load_models() | |
####################################################################################################################### | |
st.title(content['title'][st.session_state.lang]) | |
col1, col2, col3 = st.columns([1, 1, 10]) | |
with col1: | |
st.button( | |
label='EN', | |
key='en', | |
on_click=switch_lang, | |
args=['en'] | |
) | |
with col2: | |
st.button( | |
label='BG', | |
key='bg', | |
on_click=switch_lang, | |
args=['bg'] | |
) | |
if 'agree' not in st.session_state: | |
st.session_state.agree = False | |
if st.session_state.agree: | |
tab_tool, tab_terms = st.tabs([content['tab_tool'][st.session_state.lang], content['tab_terms'][st.session_state.lang]]) | |
with tab_tool: | |
user_input = st.text_area(content['textbox_title'][st.session_state.lang], | |
content['text_placeholder'][st.session_state.lang]).strip('\n') | |
if st.button(content['analyze_button'][st.session_state.lang]): | |
st.session_state.bert_gpt_result = st.session_state.bert_gpt(user_input) | |
user_tfidf_untrue_inf = st.session_state.tfidf_vectorizer_untrue_inf.transform([user_input]) | |
st.session_state.untrue_detector_result = st.session_state.untrue_detector.predict(user_tfidf_untrue_inf)[0] | |
st.session_state.untrue_detector_probability = st.session_state.untrue_detector.predict_proba(user_tfidf_untrue_inf)[0] | |
st.session_state.untrue_detector_probability = max(st.session_state.untrue_detector_probability[0], st.session_state.untrue_detector_probability[1]) | |
st.session_state.bert_disinfo_result = st.session_state.bert_disinfo(user_input) | |
st.session_state.emotions_result = st.session_state.emotions(user_input) | |
if st.session_state.bert_gpt_result[0]['label'] == 'LABEL_1': | |
st.warning(content['bert_gpt'][st.session_state.lang] + | |
str(round(st.session_state.bert_gpt_result[0]['score'] * 100, 2)) + | |
content['bert_gpt_prob'][st.session_state.lang], icon = "⚠️") | |
else: | |
st.success(content['bert_human'][st.session_state.lang] + | |
str(round(st.session_state.bert_gpt_result[0]['score'] * 100, 2)) + | |
content['bert_human_prob'][st.session_state.lang], icon="✅") | |
if st.session_state.untrue_detector_result == 0: | |
st.warning(content['untrue_getect_yes'][st.session_state.lang] + | |
str(round(st.session_state.untrue_detector_probability * 100, 2)) + | |
content['untrue_yes_proba'][st.session_state.lang], icon="⚠️") | |
else: | |
st.success(content['untrue_getect_no'][st.session_state.lang] + | |
str(round(st.session_state.untrue_detector_probability * 100, 2)) + | |
content['untrue_no_proba'][st.session_state.lang], icon="✅") | |
if st.session_state.bert_disinfo_result[0]['label'] == 'LABEL_1': | |
st.warning(content['bert_yes_1'][st.session_state.lang] + | |
str(round(st.session_state.bert_disinfo_result[0]['score'] * 100, 2)) + | |
content['bert_yes_2'][st.session_state.lang], icon = "⚠️") | |
else: | |
st.success(content['bert_no_1'][st.session_state.lang] + | |
str(round(st.session_state.bert_disinfo_result[0]['score'] * 100, 2)) + | |
content['bert_no_2'][st.session_state.lang], icon="✅") | |
if st.session_state.emotions_result[0]['score'] < 0.97: | |
st.warning(content['emotions_label_1'][st.session_state.lang] + | |
str(st.session_state.emotions_result[0]['label']) + | |
content['emotions_label_2'][st.session_state.lang] + | |
str(round(st.session_state.emotions_result[0]['score'] * 100, 2)) + | |
content['emotions_label_3'][st.session_state.lang] + | |
content['emotions_label_4'][st.session_state.lang], icon = "⚠️") | |
else: | |
st.info(content['emotions_label_1'][st.session_state.lang] + | |
str(st.session_state.emotions_result[0]['label']) + | |
content['emotions_label_2'][st.session_state.lang] + | |
str(round(st.session_state.emotions_result[0]['score'] * 100, 2)) + | |
content['emotions_label_3'][st.session_state.lang]) | |
st.info(content['disinformation_definition'][st.session_state.lang], icon="ℹ️") | |
with tab_terms: | |
st.write(content['disclaimer'][st.session_state.lang]) | |
else: | |
st.write(content['disclaimer_title'][st.session_state.lang]) | |
st.write(content['disclaimer'][st.session_state.lang]) | |
if st.button(content['disclaimer_agree_text'][st.session_state.lang]): | |
st.session_state.agree = True | |
st.experimental_rerun() | |