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import gradio as gr | |
from transformers import AutoTokenizer, AutoModelForSeq2SeqLM | |
from datasets import load_dataset | |
# Load the Spider dataset | |
spider_dataset = load_dataset("spider", split='train') # Load a subset of the dataset | |
# Load tokenizer and model | |
tokenizer = AutoTokenizer.from_pretrained("mrm8488/t5-base-finetuned-wikiSQL") | |
model = AutoModelForSeq2SeqLM.from_pretrained("mrm8488/t5-base-finetuned-wikiSQL") | |
def post_process_sql_query(sql_query, db_schema): | |
# Modify the SQL query to match the dataset's schema | |
# This is just an example and might need to be adapted based on the dataset and model output | |
for table_name in db_schema['table_names']: | |
if "TABLE" in sql_query: | |
sql_query = sql_query.replace("TABLE", table_name) | |
break # Assuming only one table is referenced in the query | |
for column_name in db_schema['column_names']: | |
if "COLUMN" in sql_query: | |
sql_query = sql_query.replace("COLUMN", column_name[1], 1) | |
return sql_query | |
def generate_sql_from_user_input(query, db_id): | |
# Find the corresponding database schema | |
db_schema = None | |
for item in spider_dataset: | |
if item['db_id'] == db_id: | |
db_schema = item | |
break | |
if db_schema is None: | |
return "Database schema not found for the given DB ID." | |
# Generate SQL for the user's query | |
input_text = "translate English to SQL: " + query | |
inputs = tokenizer(input_text, return_tensors="pt", padding=True) | |
outputs = model.generate(**inputs, max_length=512) | |
sql_query = tokenizer.decode(outputs[0], skip_special_tokens=True) | |
# Post-process the SQL query to match the dataset's schema | |
sql_query = post_process_sql_query(sql_query, db_schema) | |
return sql_query | |
# Create a Gradio interface | |
interface = gr.Interface( | |
fn=generate_sql_from_user_input, | |
inputs=[gr.Textbox(label="Enter your natural language query"), gr.Textbox(label="Enter DB ID")], | |
outputs=gr.Textbox(label="Generated SQL Query"), | |
title="NL to SQL with T5 using Spider Dataset", | |
description="This model generates an SQL query for your natural language input based on the Spider dataset." | |
) | |
# Launch the app | |
if __name__ == "__main__": | |
interface.launch() | |