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import gradio as gr
import requests
import os
import dwani
import logging
# Set up logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
# Configure dwani API settings
dwani.api_key = os.getenv("DWANI_API_KEY")
dwani.api_base = os.getenv("DWANI_API_BASE_URL")
# Log API configuration for debugging
logger.debug("DWANI_API_KEY: %s", "Set" if dwani.api_key else "Not set")
logger.debug("DWANI_API_BASE_URL: %s", dwani.api_base)
# Language options as simple array
language_options = ["english", "kannada", "hindi"]
def process_pdf(pdf_file, page_number, prompt, src_lang, tgt_lang):
logger.debug("Received inputs - PDF: %s, Page: %s, Prompt: %s, Source Lang: %s, Target Lang: %s",
pdf_file, page_number, prompt, src_lang, tgt_lang)
# Validate inputs
if not pdf_file:
logger.error("No PDF file provided")
return {"error": "Please upload a PDF file"}
if not prompt.strip():
logger.error("Prompt is empty")
return {"error": "Please provide a non-empty prompt"}
try:
page_number = int(page_number)
if page_number < 1:
raise ValueError("Page number must be at least 1")
except (ValueError, TypeError):
logger.error("Invalid page number: %s", page_number)
return {"error": "Page number must be a positive integer"}
# Validate language codes
if src_lang not in language_options or tgt_lang not in language_options:
logger.error("Invalid language selection - Source: %s, Target: %s", src_lang, tgt_lang)
return {"error": "Invalid source or target language selection"}
# Get file path from Gradio File object
file_path = pdf_file.name if hasattr(pdf_file, 'name') else pdf_file
logger.debug("Calling API with file: %s, page: %d, prompt: %s, src_lang: %s, tgt_lang: %s",
file_path, page_number, prompt, src_lang, tgt_lang)
# Call the API
try:
result = dwani.Documents.run_doc_query(
file_path=file_path,
prompt=prompt,
page_number=page_number,
src_lang=src_lang,
tgt_lang=tgt_lang
)
logger.debug("API response: %s", result)
return {
"Original Text": result.get("original_text", "N/A"),
"Response": result.get("response", "N/A"),
"Processed Page": result.get("processed_page", "N/A"),
"Translated Response": result.get("translated_response", "N/A")
}
except dwani.exceptions.DhwaniAPIError as e:
logger.error("Dhwani API error: %s", str(e))
return {"error": f"API error: {str(e)}"}
except Exception as e:
logger.error("Unexpected error: %s", str(e))
return {"error": f"Unexpected error: {str(e)}"}
# Define Gradio interface
with gr.Blocks(title="PDF Custom Prompt Processor") as demo:
gr.Markdown("# PDF Custom Prompt Processor")
gr.Markdown("Upload a PDF, specify a page number, enter a prompt, and select source and target languages.")
with gr.Row():
with gr.Column():
pdf_input = gr.File(label="Upload PDF", file_types=[".pdf"])
page_number = gr.Number(label="Page Number", value=1, minimum=1, precision=0)
prompt = gr.Textbox(
label="Custom Prompt",
placeholder="e.g., List the key points",
value="List the key points",
lines=3
)
src_lang_input = gr.Dropdown(
label="Source Language",
choices=language_options,
value="english"
)
tgt_lang_input = gr.Dropdown(
label="Target Language",
choices=language_options,
value="kannada"
)
submit_btn = gr.Button("Process")
with gr.Column():
output = gr.JSON(label="Response")
submit_btn.click(
fn=process_pdf,
inputs=[pdf_input, page_number, prompt, src_lang_input, tgt_lang_input],
outputs=output
)
# Launch the interface
if __name__ == "__main__":
# Test API configuration
if not dwani.api_key or not dwani.api_base:
logger.error("API key or base URL not set. Please set DWANI_API_KEY and DWANI_API_BASE_URL environment variables.")
print("Error: Please set DWANI_API_KEY and DWANI_API_BASE_URL environment variables.")
else:
logger.debug("Starting Gradio interface...")
demo.launch() |