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Update app.py
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app.py
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import gradio as gr
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from transformers import AutoTokenizer, AutoModelForSeq2SeqLM
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from datasets import load_dataset
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# Load the WikiSQL dataset
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wikisql_dataset = load_dataset("wikisql", split='train[:100]') # Load a subset of the dataset
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# Extract schema information from the dataset
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table_names = set()
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column_names = set()
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for item in wikisql_dataset:
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table_names.add(item['table']['name'])
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for column in item['table']['header']:
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column_names.add(column)
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# Load tokenizer and model
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tokenizer = AutoTokenizer.from_pretrained("mrm8488/t5-base-finetuned-wikiSQL")
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model = AutoModelForSeq2SeqLM.from_pretrained("mrm8488/t5-base-finetuned-wikiSQL")
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def post_process_sql_query(sql_query):
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# Modify the SQL query to match the dataset's schema
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# This is just an example and might need to be adapted based on the dataset and model output
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for table_name in table_names:
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if "TABLE" in sql_query:
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sql_query = sql_query.replace("TABLE", table_name)
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break # Assuming only one table is referenced in the query
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for column_name in column_names:
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if "COLUMN" in sql_query:
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sql_query = sql_query.replace("COLUMN", column_name, 1)
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return sql_query
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def generate_sql_from_user_input(query):
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# Generate SQL for the user's query
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input_text = "translate English to SQL: " + query
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inputs = tokenizer(input_text, return_tensors="pt", padding=True)
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outputs = model.generate(**inputs, max_length=512)
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sql_query = tokenizer.decode(outputs[0], skip_special_tokens=True)
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# Post-process the SQL query to match the dataset's schema
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sql_query = post_process_sql_query(sql_query)
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return sql_query
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# Create a Gradio interface
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interface = gr.Interface(
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fn=generate_sql_from_user_input,
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inputs=gr.Textbox(label="Enter your natural language query"),
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outputs=gr.Textbox(label="Generated SQL Query"),
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title="NL to SQL with T5 using WikiSQL Dataset",
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description="This model generates an SQL query for your natural language input based on the WikiSQL dataset."
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)
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# Launch the app
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if __name__ == "__main__":
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interface.launch()
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