Danielchris145/TruthCheck-AI
0
1�
2 �c/h � � � d dl mZmZmZmZ d dlZd dlZd dlZd dlm Z d dl3m Z d dl m
Z
d dlmZ d dlmZ d dlmZ e � � Z e � � Z e
� � Z e� � Z G d � d4� � Z e� � Zd � ZdS ) � )�Flask�render_template�request�jsonifyN)�ClaimExtractor)�KeywordExtractor)�EvidenceRetriever)�
NLIClassifier)�calculate_similarity)�Configc � � e Zd Zd� Zd� ZdS )�TruthCheckSystemc �f � t | _ t | _ t | _ t | _ d S )N)�claim_extractor�keyword_extractor�evidence_retriever�nli_classifier)�selfs �E:\TruthCheck\app.py�__init__zTruthCheckSystem.__init__ s( � � .�� �!2�� �"4�� � ,����� c �� � | j � |� � }|sdS |d }| j � |� � }| j � |� � }|sdS g }|D ]=}t
||d � � }|t j k r|� |� � �>|sdS |�5 d� d�� � |d } | j � || d � � }6d } |7d8 } | �
d d � � }
| d
z |
dz z }t t |d� � d� � }|9d dk rd} n!|10d dk rd} nd } t |d� � }| d }t! |� � dk r
|dd� dz }d| d � d|
d �d �}| ||� d |� �fS # t" $ r2}t% d |� �� � d dd!t' |� � � d"�fcY d}~S d}~ww xY w)#z�11 Main function to verify a factual claim.12 Processes the claim through extraction, evidence retrieval, and NLI.13 )zNo valid claims found� z)Please provide a clear factual statement.r )�Low Confidence�333333�?z9Not enough reliable evidence found from external sources.�content)r g�������?z?No semantically relevant evidence found after similarity check.c �. � | � dd� � S )N�credibility_scorer )�get)�xs r �<lambda>z/TruthCheckSystem.verify_claim.<locals>.<lambda>? s � ����7J�C�1P�1P� r T)�key�reverser �14confidencer g �?gffffff�?r r g �?�label�15ENTAILMENT�True�
CONTRADICTION�False�� Nz...zSource: �sourcez (Credibility: z.2f�)z16 17z-An error occurred during claim verification: �Errorz An internal error occurred: z. Please try again.)r �extract_claimsr �extract_keywordsr � get_evidencer r �SIMILARITY_THRESHOLD�append�sortr �classifyr �min�max�len� Exception�print�str)r �text�claims�claim�keywords�evidence_items�relevant_evidence�item�18similarity�primary_evidence�19nli_resultr% �nli_confidence�source_credibility_weight�final_confidence�evidence_snippetr+ �es r � verify_claimz TruthCheckSystem.verify_claim s� � �20C \��)�8�8��>�>�F��
a�`�`��1�I�E� �-�>�>�u�E�E�H� "� 4� A� A�(� K� K�N�!�
j�i�i� !#� �&�
3�
3�� 1�%��i� � I� I�21� �� ;�;�;�%�,�,�T�2�2�2��$�
p�o�o�
� "� "�'P�'P�Z^� "� _� _� _� 0�� 3� � �,�5�5�e�=M�i�=X�Y�Y�J� %�E� '� � 5�N� )9�(<�(<�=P�RU�(V�(V� %� .�� 4�9R�UX�9X� Y� � "�3�'7��#=�#=�s� C� C� � �'�"�l�2�2� ����G�$��7�7� ���(��#&�'7��#=�#=� � 0� � :� ��#�$�$�s�*�*�#3�D�S�D�#9�E�#A� �k� 0�� :�k�k�Kd�k�k�k�k�F��*�/?�,M�,M�V�,M�,M�M� M��� \� \� \� �E�!�E�E� F� F� F��C�![��A���![�![�![�[� [� [� [� [� [� [����� \���s0 � F" �>F" � AF" �&C;F" �"22G �,'G�G �G N)�__name__�23__module__� __qualname__r rJ � r r r r s< � � � � � �-� -� -� H\� H\� H\� H\� H\r r c �z � t t dd�� � } t j � dt24 j � � | j d< t25 j | j d< | � d� � d� � � }| � dd g�26� � d � � � }| � d � � d
� � � }| S )N�static� templates)�
static_folder�template_folder�27SECRET_KEY�DEBUG�/c � � t d� � S )Nz28index.html)r rN r r �indexzcreate_app.<locals>.indexo s � � �|�,�,�,r z /api/verify�POST)�methodsc � � t j � � } | � dd� � }|st ddi� � dfS t � |� � \ }}}|t
|d� � ||d�}t |� � S # t $ r?}t d|� �� � t dd t |� � � �i� � d29fcY d }~S d }~ww xY w) Nr= � �errorzNo claim providedi� � )r% r$ �evidencer= z API error: z!An error occurred on the server: r* )30r �get_jsonr r �truthcheck_system_instancerJ �roundr8 r9 r: )�data�31claim_textr% r$ r_ �resultrI s r �verify_claim_apiz$create_app.<locals>.verify_claim_apis s � � Y��#�%�%�D� ���'�2�.�.�J� �
D� ��)<� =�>�>��C�C�*D�*Q�*Q�R\�*]�*]� '�E�:�x� � #�J�� 2� 2� $�#� � �F� �6�?�?� "��� Y� Y� Y� �#��#�#� $� $� $��G�%Q��Q���%Q�%Q�R�S�S�UX�X� X� X� X� X� X� X����� Y���s$ �=B � AB �32C � 4C� C �C z/healthc �& � t ddd�� � S )N�healthyz TruthCheck backend is running.)�status�message)r rN r r � health_checkz create_app.<locals>.health_check� s � ��)�8X�Y�Y�Z�Z�Zr )33r rK �os�environr r rT �configrU �route)�apprX rf rk s r �34create_apprq j s� � �35���+�36N�37N�38N�C� !�z�~�~�l�F�<M� N� N�C�J�|� � �,�C�J�w���Y�Y�s�^�^�-� -� �^�-� �Y�Y�}�v�h�Y�/�/�Y� Y� 0�/�Y�. �Y�Y�y���[� [� ��[� �Jr )�flaskr r r r rl � threading�time�models.claim_extractorr �models.keyword_extractorr �models.evidence_retrieverr �models.nli_classifierr39 �utils.similarityr � utils.configr r r r r r ra rq rN r r �<module>r{ sR �� ;� :� :� :� :� :� :� :� :� :� :� :� � � � � � � � � � � � � 2� 1� 1� 1� 1� 1� 5� 5� 5� 5� 5� 5� 7� 7� 7� 7� 7� 7� /� /� /� /� /� /� 1� 1� 1� 1� 1� 1� � � � � � � !�.�"�"��$�$�&�&� �&�&�(�(� � � � � ��O\� O\� O\� O\� O\� O\� O\� O\�d .� -� /� /� �%� %� %� %� %r