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Browse files- .gitignore +13 -0
- README.md +13 -0
- app.py +231 -0
- apt.txt +1 -0
- extractor.py +699 -0
- requirements.txt +9 -0
.gitignore
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__pycache__/
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*.py[cod]
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*$py.class
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.env
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.venv
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env/
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venv/
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ENV/
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env.bak/
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venv.bak/
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.gradio/
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flagged/
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data/
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README.md
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---
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title: Passport Extractor 2
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emoji: 🛂
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colorFrom: blue
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colorTo: green
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sdk: gradio
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python_version: '3.10'
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app_file: app.py
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pinned: false
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sdk_version: 6.20.0
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---
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# Passport OCR Tool
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A robust tool to extract data from passport images (PNG, JPG) and PDFs using OCR. It extracts MRZ (Machine Readable Zone) data and exports it to Excel or CSV formats.
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app.py
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import os
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import sys
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import tempfile
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from pathlib import Path
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import pandas as pd
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# Keep Gradio on client-side rendering. In hosted Gradio 6 runs, SSR starts a
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# Node proxy that can emit noisy asyncio cleanup tracebacks at startup/shutdown.
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os.environ.setdefault("GRADIO_SSR_MODE", "false")
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import gradio as gr
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import time
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# Ensure project root is in python path
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sys.path.append(os.path.dirname(os.path.abspath(__file__)))
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try:
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import spaces
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except ImportError:
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spaces = None
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from extractor import (
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PassportExtractor,
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format_fly_baghdad,
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format_fly_dubai,
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format_iraqi,
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)
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def gpu_task(duration=120):
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if spaces is None:
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return lambda fn: fn
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return spaces.GPU(duration=duration)
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# Initialize Extractor
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print("Initializing Passport Extractor...")
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EXTRACTOR = PassportExtractor(use_gpu=True)
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print("Extractor initialized.")
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MAX_FILE_SIZE_MB = 100
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ALLOWED_FILE_TYPES = [
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".png",
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".jpg",
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".jpeg",
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".pdf",
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".avif",
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".webp",
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".bmp",
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".tiff",
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]
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def _format_data(good_results, airline):
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if airline == "Fly Dubai":
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return format_fly_dubai(good_results)
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if airline == "Iraqi":
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return format_iraqi(good_results)
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if airline == "Fly Baghdad":
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return format_fly_baghdad(good_results)
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# Default view
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df = pd.DataFrame(good_results)
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if not df.empty:
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from extractor import format_date
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if "date_of_birth" in df.columns:
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df["date_of_birth"] = df["date_of_birth"].apply(lambda x: format_date(x, "%d/%m/%Y", is_dob=True))
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if "expiration_date" in df.columns:
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df["expiration_date"] = df["expiration_date"].apply(lambda x: format_date(x, "%d/%m/%Y", is_dob=False))
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return df
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@gpu_task(duration=300)
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def process_files(files, airline, export_all_files, progress=gr.Progress()):
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if not files:
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return None, "No files uploaded.", None, None
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start_time = time.time()
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all_results, problematic_files = [], []
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total_files = len(files)
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from concurrent.futures import ThreadPoolExecutor, as_completed
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def _uploaded_path(file_obj):
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if isinstance(file_obj, (str, os.PathLike)):
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return os.fspath(file_obj)
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if hasattr(file_obj, "name"):
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return file_obj.name
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if isinstance(file_obj, dict):
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return file_obj.get("path") or file_obj.get("name")
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return None
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def process_single_file(file_obj):
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file_path = _uploaded_path(file_obj)
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if not file_path:
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return [], {
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"file_name": "unknown",
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"reason": f"Unsupported upload object: {type(file_obj).__name__}",
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}
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file_name = Path(file_path).name
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ext = os.path.splitext(file_name)[1].lower()
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file_results, file_problem = [], None
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if os.path.getsize(file_path) > MAX_FILE_SIZE_MB * 1024 * 1024:
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return [], {
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"file_name": file_name,
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"reason": f"File too large. Max {MAX_FILE_SIZE_MB} MB allowed.",
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}
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try:
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if ext == ".pdf":
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def pdf_progress(p):
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progress(
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completed_files / total_files + (p * (1 / total_files)),
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desc=f"Processing {file_name}...",
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)
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file_results = (
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EXTRACTOR.process_pdf(
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file_path,
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progress_callback=pdf_progress,
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airline=(airline or "Default").lower(),
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)
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or []
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)
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else:
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result = EXTRACTOR.get_data(
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file_path, airline=(airline or "Default").lower()
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)
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if result:
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file_results = [result]
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except Exception as e:
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file_problem = {"file_name": file_name, "reason": f"Error: {e}"}
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mrz_found = False
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for res in file_results:
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res["source_file"] = file_name
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if res.get("mrz_found"):
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mrz_found = True
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if not file_problem:
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if not file_results:
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file_problem = {
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"file_name": file_name,
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"reason": "No passport data detected",
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}
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elif not mrz_found:
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file_problem = {"file_name": file_name, "reason": "MRZ data not found"}
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return file_results, file_problem
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completed_files = 0
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with ThreadPoolExecutor(max_workers=4) as executor:
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future_to_file = {executor.submit(process_single_file, f): f for f in files}
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for future in as_completed(future_to_file):
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completed_files += 1
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try:
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file_results, file_problem = future.result()
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except Exception as e:
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original_path = _uploaded_path(future_to_file[future]) or "unknown"
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file_results = []
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file_problem = {
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"file_name": Path(original_path).name,
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"reason": f"Error: {e}",
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}
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all_results.extend(file_results)
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if file_problem:
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problematic_files.append(file_problem)
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good_results = [r for r in all_results if r.get("mrz_found")]
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end_time = time.time()
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duration = round(end_time - start_time, 2)
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if not good_results:
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status_msg = f"⚠️ No data could be extracted. (Time: {duration}s)"
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if problematic_files:
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status_msg += "\n\nProblems:\n" + "\n".join(
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[f"- {p['file_name']}: {p['reason']}" for p in problematic_files]
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)
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return None, status_msg, None, None
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df = _format_data(good_results, airline)
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status_msg = f"Extracted {len(good_results)} passport(s) from {total_files} file(s) in {duration} seconds."
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if problematic_files:
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status_msg += "\n\nProblems:\n" + "\n".join(
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[f"- {p['file_name']}: {p['reason']}" for p in problematic_files]
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)
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csv_path = tempfile.mktemp(suffix=".csv")
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df.to_csv(csv_path, index=False)
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excel_path = tempfile.mktemp(suffix=".xlsx")
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df.to_excel(excel_path, index=False)
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return df, status_msg, csv_path, excel_path
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def create_demo():
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with gr.Blocks(title="Passport OCR Extractor") as demo:
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gr.Markdown("# Passport OCR Extractor")
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with gr.Row():
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with gr.Column(scale=1):
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airline = gr.Dropdown(
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choices=["Default", "Fly Dubai", "Iraqi", "Fly Baghdad"],
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value="Default",
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label="Airline Format",
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)
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file_input = gr.File(
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file_count="multiple",
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label="Upload Passports",
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file_types=ALLOWED_FILE_TYPES,
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)
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extract_btn = gr.Button("Extract Data", variant="primary")
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with gr.Column(scale=2):
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status_output = gr.Markdown()
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table_output = gr.Dataframe(label="Extracted Data")
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with gr.Row():
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csv_download = gr.File(label="Download CSV")
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excel_download = gr.File(label="Download Excel")
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extract_btn.click(
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fn=process_files,
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inputs=[file_input, airline, gr.State(False)],
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outputs=[table_output, status_output, csv_download, excel_download],
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)
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return demo
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demo = create_demo()
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def main():
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port = int(os.environ.get("PORT", "7860"))
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demo.launch(server_name="0.0.0.0", server_port=port, show_error=True, ssr_mode=False)
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if __name__ == "__main__":
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main()
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apt.txt
ADDED
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tesseract-ocr
|
extractor.py
ADDED
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|
| 1 |
+
import os
|
| 2 |
+
import cv2
|
| 3 |
+
import numpy as np
|
| 4 |
+
|
| 5 |
+
# On Hugging Face GPU Spaces, the `spaces` package must be imported before
|
| 6 |
+
# EasyOCR/Torch touches CUDA, otherwise Gradio's Spaces watcher can crash.
|
| 7 |
+
try:
|
| 8 |
+
import spaces # noqa: F401
|
| 9 |
+
except ImportError:
|
| 10 |
+
pass
|
| 11 |
+
|
| 12 |
+
import easyocr
|
| 13 |
+
import ssl
|
| 14 |
+
import re
|
| 15 |
+
import string as st
|
| 16 |
+
import logging
|
| 17 |
+
import pandas as pd
|
| 18 |
+
import tempfile
|
| 19 |
+
import fitz # PyMuPDF
|
| 20 |
+
import shutil
|
| 21 |
+
import pycountry
|
| 22 |
+
from datetime import datetime, date
|
| 23 |
+
from passporteye import read_mrz
|
| 24 |
+
|
| 25 |
+
# ---------------------------------------------------
|
| 26 |
+
# CONFIGURATION & SETTINGS
|
| 27 |
+
# ---------------------------------------------------
|
| 28 |
+
OCR_LANGUAGES = ["en"]
|
| 29 |
+
USE_GPU = True
|
| 30 |
+
|
| 31 |
+
# ---------------------------------------------------
|
| 32 |
+
# LOGGING & UTILS
|
| 33 |
+
# ---------------------------------------------------
|
| 34 |
+
logging.basicConfig(
|
| 35 |
+
level=logging.INFO, format="%(asctime)s - %(levelname)s - %(message)s"
|
| 36 |
+
)
|
| 37 |
+
logger = logging.getLogger(__name__)
|
| 38 |
+
|
| 39 |
+
|
| 40 |
+
def clean_string(text):
|
| 41 |
+
if not text:
|
| 42 |
+
return ""
|
| 43 |
+
return "".join(i for i in str(text) if i.isalnum()).upper()
|
| 44 |
+
|
| 45 |
+
|
| 46 |
+
def clean_name_field(text):
|
| 47 |
+
if not text:
|
| 48 |
+
return ""
|
| 49 |
+
text = str(text).upper()
|
| 50 |
+
text = re.sub(r"([<KG]){6,}$", "", text)
|
| 51 |
+
text = text.replace("<", " ")
|
| 52 |
+
text = "".join(c for c in text if not c.isdigit())
|
| 53 |
+
tokens = [token for token in text.split() if token]
|
| 54 |
+
while tokens and (
|
| 55 |
+
re.fullmatch(r"([A-Z])\1{2,}", tokens[-1])
|
| 56 |
+
or re.fullmatch(r"[KG]{2,}", tokens[-1])
|
| 57 |
+
):
|
| 58 |
+
tokens.pop()
|
| 59 |
+
return " ".join(tokens).strip()
|
| 60 |
+
|
| 61 |
+
|
| 62 |
+
def parse_mrz_line1(line1):
|
| 63 |
+
if not line1:
|
| 64 |
+
return "", "", ""
|
| 65 |
+
line1 = clean_mrz_line(line1)
|
| 66 |
+
issuing_country = normalize_country_code(line1[2:5])
|
| 67 |
+
|
| 68 |
+
name_field = line1[5:44] if len(line1) >= 6 else line1
|
| 69 |
+
name_field = re.sub(r"([<KG]){6,}$", "", name_field)
|
| 70 |
+
parts = name_field.split("<<", 1)
|
| 71 |
+
surname = clean_name_field(parts[0])
|
| 72 |
+
given = clean_name_field(parts[1] if len(parts) > 1 else "")
|
| 73 |
+
return issuing_country, surname, given
|
| 74 |
+
|
| 75 |
+
|
| 76 |
+
def clean_mrz_line(line):
|
| 77 |
+
if not line:
|
| 78 |
+
return ""
|
| 79 |
+
line = line.upper().replace(" ", "")
|
| 80 |
+
allowed = set(st.ascii_uppercase + st.digits + "<")
|
| 81 |
+
line = "".join([c for c in line if c in allowed])
|
| 82 |
+
p_start = line.find("P<")
|
| 83 |
+
if 0 <= p_start <= 3:
|
| 84 |
+
line = line[p_start:]
|
| 85 |
+
elif len(line) > 44:
|
| 86 |
+
line = line[-44:]
|
| 87 |
+
if len(line) < 44:
|
| 88 |
+
line += "<" * (44 - len(line))
|
| 89 |
+
return line[:44]
|
| 90 |
+
|
| 91 |
+
|
| 92 |
+
def mrz_check_digit(value):
|
| 93 |
+
weights = [7, 3, 1]
|
| 94 |
+
total = 0
|
| 95 |
+
for i, char in enumerate(value):
|
| 96 |
+
if char.isdigit():
|
| 97 |
+
number = int(char)
|
| 98 |
+
elif "A" <= char <= "Z":
|
| 99 |
+
number = ord(char) - ord("A") + 10
|
| 100 |
+
elif char == "<":
|
| 101 |
+
number = 0
|
| 102 |
+
else:
|
| 103 |
+
number = 0
|
| 104 |
+
total += number * weights[i % 3]
|
| 105 |
+
return str(total % 10)
|
| 106 |
+
|
| 107 |
+
|
| 108 |
+
def normalize_mrz_digits(text):
|
| 109 |
+
table = str.maketrans(
|
| 110 |
+
{"O": "0", "Q": "0", "D": "0", "I": "1", "L": "1", "S": "5", "B": "8"}
|
| 111 |
+
)
|
| 112 |
+
return (text or "").upper().translate(table)
|
| 113 |
+
|
| 114 |
+
|
| 115 |
+
def valid_yymmdd(text):
|
| 116 |
+
text = normalize_mrz_digits(text)
|
| 117 |
+
if len(text) != 6 or not text.isdigit():
|
| 118 |
+
return False
|
| 119 |
+
try:
|
| 120 |
+
month = int(text[2:4])
|
| 121 |
+
day = int(text[4:6])
|
| 122 |
+
return 1 <= month <= 12 and 1 <= day <= 31
|
| 123 |
+
except:
|
| 124 |
+
return False
|
| 125 |
+
|
| 126 |
+
|
| 127 |
+
def normalize_country_code(code):
|
| 128 |
+
if not code:
|
| 129 |
+
return ""
|
| 130 |
+
code = code.upper().translate(
|
| 131 |
+
str.maketrans({"0": "O", "1": "I", "2": "Z", "4": "A", "5": "S", "8": "B"})
|
| 132 |
+
)
|
| 133 |
+
code = "".join(c for c in code if c.isalpha())
|
| 134 |
+
if len(code) != 3:
|
| 135 |
+
return ""
|
| 136 |
+
if pycountry.countries.get(alpha_3=code):
|
| 137 |
+
return code
|
| 138 |
+
return ""
|
| 139 |
+
|
| 140 |
+
|
| 141 |
+
def clean_mrz_line2(line):
|
| 142 |
+
if not line:
|
| 143 |
+
return ""
|
| 144 |
+
line = line.upper().replace(" ", "")
|
| 145 |
+
allowed = set(st.ascii_uppercase + st.digits + "<")
|
| 146 |
+
line = "".join([c for c in line if c in allowed])
|
| 147 |
+
if len(line) <= 44:
|
| 148 |
+
return (line + "<" * (44 - len(line)))[:44]
|
| 149 |
+
|
| 150 |
+
def score(candidate):
|
| 151 |
+
doc = candidate[0:9]
|
| 152 |
+
doc_check = candidate[9]
|
| 153 |
+
nationality = normalize_country_code(candidate[10:13])
|
| 154 |
+
dob = normalize_mrz_digits(candidate[13:19])
|
| 155 |
+
dob_check = candidate[19]
|
| 156 |
+
expiry = normalize_mrz_digits(candidate[21:27])
|
| 157 |
+
expiry_check = candidate[27]
|
| 158 |
+
value = 0
|
| 159 |
+
value += 12 if doc_check.isdigit() and mrz_check_digit(doc) == doc_check else 0
|
| 160 |
+
value += 10 if nationality else 0
|
| 161 |
+
value += 14 if valid_yymmdd(dob) else 0
|
| 162 |
+
value += 18 if dob_check.isdigit() and mrz_check_digit(dob) == dob_check else 0
|
| 163 |
+
|
| 164 |
+
# Sex field score with OCR error tolerance
|
| 165 |
+
sex_char = candidate[20]
|
| 166 |
+
if sex_char in "MFX<":
|
| 167 |
+
value += 8
|
| 168 |
+
elif sex_char in "HN04KW0": # Likely M
|
| 169 |
+
value += 6
|
| 170 |
+
elif sex_char in "EP735S": # Likely F
|
| 171 |
+
value += 6
|
| 172 |
+
|
| 173 |
+
value += 14 if valid_yymmdd(expiry) else 0
|
| 174 |
+
value += 18 if expiry_check.isdigit() and mrz_check_digit(expiry) == expiry_check else 0
|
| 175 |
+
value += sum(1 for c in candidate[13:19] + candidate[21:27] if c in st.digits + "OQDISBL")
|
| 176 |
+
value -= sum(1 for c in candidate[:9] if c == "<")
|
| 177 |
+
return value
|
| 178 |
+
|
| 179 |
+
windows = [line[i : i + 44] for i in range(0, len(line) - 43)]
|
| 180 |
+
return max(windows, key=score)
|
| 181 |
+
|
| 182 |
+
|
| 183 |
+
def clean_mrz_date(text):
|
| 184 |
+
return normalize_mrz_digits(text)
|
| 185 |
+
|
| 186 |
+
|
| 187 |
+
def parse_mrz_line2(line):
|
| 188 |
+
line = clean_mrz_line2(line)
|
| 189 |
+
if not line:
|
| 190 |
+
return {}
|
| 191 |
+
|
| 192 |
+
passport_number = clean_string(line[0:9]).replace("O", "0")
|
| 193 |
+
nationality = normalize_country_code(line[10:13])
|
| 194 |
+
dob = normalize_mrz_digits(line[13:19])
|
| 195 |
+
sex = get_sex(line[20])
|
| 196 |
+
expiry = normalize_mrz_digits(line[21:27])
|
| 197 |
+
|
| 198 |
+
dob_ok = valid_yymmdd(dob) and line[19].isdigit() and mrz_check_digit(dob) == line[19]
|
| 199 |
+
expiry_ok = valid_yymmdd(expiry) and line[27].isdigit() and mrz_check_digit(expiry) == line[27]
|
| 200 |
+
|
| 201 |
+
return {
|
| 202 |
+
"passport_number": passport_number,
|
| 203 |
+
"nationality": nationality,
|
| 204 |
+
"date_of_birth": dob if dob_ok else "",
|
| 205 |
+
"sex": sex,
|
| 206 |
+
"expiration_date": expiry if expiry_ok else "",
|
| 207 |
+
}
|
| 208 |
+
|
| 209 |
+
|
| 210 |
+
def get_country_name(code):
|
| 211 |
+
code = normalize_country_code(str(code))
|
| 212 |
+
country = pycountry.countries.get(alpha_3=code) if code else None
|
| 213 |
+
return country.name.upper() if country else code
|
| 214 |
+
|
| 215 |
+
|
| 216 |
+
def get_sex(code):
|
| 217 |
+
if not code:
|
| 218 |
+
return ""
|
| 219 |
+
code = str(code).upper().strip()
|
| 220 |
+
|
| 221 |
+
# Standard values
|
| 222 |
+
if code in ["M", "F"]:
|
| 223 |
+
return code
|
| 224 |
+
|
| 225 |
+
# Common OCR misreadings for Male (M)
|
| 226 |
+
if code in ["H", "N", "0", "4", "K", "W"]:
|
| 227 |
+
return "M"
|
| 228 |
+
|
| 229 |
+
# Common OCR misreadings for Female (F)
|
| 230 |
+
if code in ["E", "P", "7", "3", "5", "S"]:
|
| 231 |
+
return "F"
|
| 232 |
+
|
| 233 |
+
return ""
|
| 234 |
+
|
| 235 |
+
|
| 236 |
+
# ---------------------------------------------------
|
| 237 |
+
# FORMATTING
|
| 238 |
+
# ---------------------------------------------------
|
| 239 |
+
def parse_any_date(date_val, is_dob=True):
|
| 240 |
+
"""
|
| 241 |
+
Robustly parses a date from various formats and types.
|
| 242 |
+
Handles century correction for Date of Birth.
|
| 243 |
+
"""
|
| 244 |
+
if not date_val:
|
| 245 |
+
return None
|
| 246 |
+
if isinstance(date_val, (date, datetime)):
|
| 247 |
+
if isinstance(date_val, datetime):
|
| 248 |
+
date_val = date_val.date()
|
| 249 |
+
# Still apply century correction if it's a DOB and in the future
|
| 250 |
+
if is_dob and date_val > date.today():
|
| 251 |
+
date_val = date_val.replace(year=date_val.year - 100)
|
| 252 |
+
return date_val
|
| 253 |
+
|
| 254 |
+
date_str = str(date_val).strip()
|
| 255 |
+
if not date_str or "•" in date_str:
|
| 256 |
+
return None
|
| 257 |
+
|
| 258 |
+
# Remove common OCR noise but keep alphanumeric and basic separators
|
| 259 |
+
clean_str = re.sub(r"[^0-9A-Z/\-\s]", "", date_str.upper())
|
| 260 |
+
|
| 261 |
+
# Try parsing with various formats
|
| 262 |
+
parsed_date = None
|
| 263 |
+
|
| 264 |
+
# 1. Try MRZ format (YYMMDD) if it's 6 digits
|
| 265 |
+
digits_only = "".join(c for c in clean_str if c.isdigit())
|
| 266 |
+
if len(digits_only) == 6:
|
| 267 |
+
try:
|
| 268 |
+
parsed_date = datetime.strptime(digits_only, "%y%m%d").date()
|
| 269 |
+
# For 2-digit years, strptime uses a 69-99 -> 19xx, 00-68 -> 20xx rule.
|
| 270 |
+
# We override this for DOB to ensure it's not in the future.
|
| 271 |
+
if is_dob and parsed_date > date.today():
|
| 272 |
+
parsed_date = parsed_date.replace(year=parsed_date.year - 100)
|
| 273 |
+
return parsed_date
|
| 274 |
+
except:
|
| 275 |
+
pass
|
| 276 |
+
|
| 277 |
+
# 2. Try common human-readable formats
|
| 278 |
+
for fmt in ("%d/%m/%Y", "%d/%m/%y", "%d-%m-%Y", "%d-%m-%y", "%d%b%y", "%Y%m%d", "%d %b %Y"):
|
| 279 |
+
try:
|
| 280 |
+
parsed_date = datetime.strptime(date_str, fmt).date()
|
| 281 |
+
# If we used a 2-digit year format, apply century correction
|
| 282 |
+
if "%y" in fmt and is_dob and parsed_date > date.today():
|
| 283 |
+
parsed_date = parsed_date.replace(year=parsed_date.year - 100)
|
| 284 |
+
return parsed_date
|
| 285 |
+
except:
|
| 286 |
+
continue
|
| 287 |
+
|
| 288 |
+
return None
|
| 289 |
+
|
| 290 |
+
|
| 291 |
+
def calculate_passenger_type(dob):
|
| 292 |
+
"""
|
| 293 |
+
Calculates the Passenger Type Code (PTC) based on the date of birth.
|
| 294 |
+
- Infant (INF): Age < 2 years
|
| 295 |
+
- Child (CHD): 2 <= Age < 12 years
|
| 296 |
+
- Adult (ADT): Age >= 12 years
|
| 297 |
+
"""
|
| 298 |
+
parsed_dob = parse_any_date(dob, is_dob=True)
|
| 299 |
+
if not parsed_dob:
|
| 300 |
+
return "Adult", "ADT"
|
| 301 |
+
|
| 302 |
+
try:
|
| 303 |
+
today = date.today()
|
| 304 |
+
age = today.year - parsed_dob.year - ((today.month, today.day) < (parsed_dob.month, parsed_dob.day))
|
| 305 |
+
|
| 306 |
+
if age < 0:
|
| 307 |
+
return "Adult", "ADT"
|
| 308 |
+
if age < 2:
|
| 309 |
+
return "Infant", "INF"
|
| 310 |
+
if age < 12:
|
| 311 |
+
return "Child", "CHD"
|
| 312 |
+
return "Adult", "ADT"
|
| 313 |
+
except:
|
| 314 |
+
return "Adult", "ADT"
|
| 315 |
+
|
| 316 |
+
|
| 317 |
+
def calculate_title(sex, ptc):
|
| 318 |
+
"""
|
| 319 |
+
Calculates the Title based on gender and passenger type (PTC).
|
| 320 |
+
- MR: Adult Male
|
| 321 |
+
- MRS: Adult Female
|
| 322 |
+
- MS: Child/Infant Female
|
| 323 |
+
- MSTR: Child/Infant Male (Master)
|
| 324 |
+
"""
|
| 325 |
+
sex = str(sex).upper().strip()
|
| 326 |
+
ptc = str(ptc).upper().strip()
|
| 327 |
+
|
| 328 |
+
if sex == "M":
|
| 329 |
+
if ptc == "ADT":
|
| 330 |
+
return "MR"
|
| 331 |
+
return "MSTR"
|
| 332 |
+
elif sex == "F":
|
| 333 |
+
if ptc == "ADT":
|
| 334 |
+
return "MRS"
|
| 335 |
+
return "MS"
|
| 336 |
+
|
| 337 |
+
return "MR" # Default fallback
|
| 338 |
+
|
| 339 |
+
|
| 340 |
+
def format_date(raw_date, fmt="%d/%m/%Y", is_dob=True):
|
| 341 |
+
parsed = parse_any_date(raw_date, is_dob=is_dob)
|
| 342 |
+
if not parsed:
|
| 343 |
+
return str(raw_date) if raw_date else ""
|
| 344 |
+
return parsed.strftime(fmt).upper()
|
| 345 |
+
|
| 346 |
+
|
| 347 |
+
def format_fly_dubai(results):
|
| 348 |
+
rows = []
|
| 349 |
+
for res in results:
|
| 350 |
+
sex = res.get("sex", "").upper()
|
| 351 |
+
raw_dob = res.get("date_of_birth", "")
|
| 352 |
+
raw_exp = res.get("expiration_date", "")
|
| 353 |
+
|
| 354 |
+
dob_formatted = format_date(raw_dob, "%d%b%y", is_dob=True)
|
| 355 |
+
exp_formatted = format_date(raw_exp, "%d%b%y", is_dob=False)
|
| 356 |
+
|
| 357 |
+
_, ptc = calculate_passenger_type(raw_dob)
|
| 358 |
+
title = calculate_title(sex, ptc)
|
| 359 |
+
rows.append(
|
| 360 |
+
{
|
| 361 |
+
"Last Name": res.get("surname", ""),
|
| 362 |
+
"First Name and Middle Name": res.get("name", ""),
|
| 363 |
+
"Title": title,
|
| 364 |
+
"PTC": ptc,
|
| 365 |
+
"Gender": sex,
|
| 366 |
+
"Date of Birth": dob_formatted,
|
| 367 |
+
"Passport Number": res.get("passport_number", ""),
|
| 368 |
+
"Passport Nationality": (res.get("nationality") or "")[:3],
|
| 369 |
+
"Passport Issue Country": (res.get("nationality") or "")[:3],
|
| 370 |
+
"Passport Expiry Date": exp_formatted,
|
| 371 |
+
}
|
| 372 |
+
)
|
| 373 |
+
return pd.DataFrame(rows)
|
| 374 |
+
|
| 375 |
+
|
| 376 |
+
def format_iraqi(results):
|
| 377 |
+
rows = []
|
| 378 |
+
for res in results:
|
| 379 |
+
sex = res.get("sex", "").upper()
|
| 380 |
+
raw_dob = res.get("date_of_birth", "")
|
| 381 |
+
raw_exp = res.get("expiration_date", "")
|
| 382 |
+
|
| 383 |
+
dob_formatted = format_date(raw_dob, "%d/%m/%y", is_dob=True)
|
| 384 |
+
exp_formatted = format_date(raw_exp, "%d/%m/%y", is_dob=False)
|
| 385 |
+
|
| 386 |
+
ptype, ptc = calculate_passenger_type(raw_dob)
|
| 387 |
+
title = calculate_title(sex, ptc)
|
| 388 |
+
nat = (res.get("nationality") or "")[:3]
|
| 389 |
+
rows.append(
|
| 390 |
+
{
|
| 391 |
+
"TYPE": ptype,
|
| 392 |
+
"TITLE": title,
|
| 393 |
+
"FIRST NAME": res.get("name", ""),
|
| 394 |
+
"LAST NAME": res.get("surname", ""),
|
| 395 |
+
"DOB (DD/MM/YYYY)": dob_formatted,
|
| 396 |
+
"GENDER": "Male" if sex == "M" else "Female"
|
| 397 |
+
}
|
| 398 |
+
)
|
| 399 |
+
return pd.DataFrame(rows)
|
| 400 |
+
|
| 401 |
+
|
| 402 |
+
def format_fly_baghdad(results):
|
| 403 |
+
rows = []
|
| 404 |
+
for i, res in enumerate(results):
|
| 405 |
+
sex = res.get("sex", "").upper()
|
| 406 |
+
raw_dob = res.get("date_of_birth", "")
|
| 407 |
+
raw_exp = res.get("expiration_date", "")
|
| 408 |
+
|
| 409 |
+
dob_formatted = format_date(raw_dob, "%d/%m/%Y", is_dob=True)
|
| 410 |
+
exp_formatted = format_date(raw_exp, "%d/%m/%Y", is_dob=False)
|
| 411 |
+
|
| 412 |
+
_, ptc = calculate_passenger_type(raw_dob)
|
| 413 |
+
title = calculate_title(sex, ptc)
|
| 414 |
+
nat = (res.get("nationality") or "")[:3]
|
| 415 |
+
issuing = (res.get("issuing_country") or "")[:3]
|
| 416 |
+
rows.append(
|
| 417 |
+
{
|
| 418 |
+
"Sequence": i + 1,
|
| 419 |
+
"Pax Type": ptc,
|
| 420 |
+
"Title": title,
|
| 421 |
+
"First Name": res.get("name", ""),
|
| 422 |
+
"Last Name": res.get("surname", ""),
|
| 423 |
+
"Gender": "MALE" if sex == "M" else "FEMALE",
|
| 424 |
+
"DOB (dd/mm/yyyy)": dob_formatted,
|
| 425 |
+
"Nationality": get_country_name(nat),
|
| 426 |
+
"Passport Number": res.get("passport_number", ""),
|
| 427 |
+
"Passport Expiry (dd/mm/yyyy)": exp_formatted,
|
| 428 |
+
"Passport Issued Country": get_country_name(issuing)
|
| 429 |
+
|
| 430 |
+
}
|
| 431 |
+
)
|
| 432 |
+
return pd.DataFrame(rows)
|
| 433 |
+
|
| 434 |
+
|
| 435 |
+
# ---------------------------------------------------
|
| 436 |
+
# CORE EXTRACTOR
|
| 437 |
+
# ---------------------------------------------------
|
| 438 |
+
class PassportExtractor:
|
| 439 |
+
def __init__(self, use_gpu=USE_GPU):
|
| 440 |
+
# Fix SSL for model downloads
|
| 441 |
+
try:
|
| 442 |
+
ssl._create_default_https_context = ssl._create_unverified_context
|
| 443 |
+
except:
|
| 444 |
+
pass
|
| 445 |
+
|
| 446 |
+
# Initialize EasyOCR with default system paths
|
| 447 |
+
self.reader = easyocr.Reader(OCR_LANGUAGES, gpu=use_gpu, verbose=False)
|
| 448 |
+
self.has_tesseract = shutil.which("tesseract") is not None
|
| 449 |
+
if not self.has_tesseract:
|
| 450 |
+
logger.info("Tesseract not found. Skipping PassportEye and using EasyOCR.")
|
| 451 |
+
|
| 452 |
+
def crop_mrz_section(self, img_path, top_crop_ratio=0.62):
|
| 453 |
+
img = cv2.imread(img_path)
|
| 454 |
+
if img is None:
|
| 455 |
+
return img_path, False
|
| 456 |
+
|
| 457 |
+
height = img.shape[0]
|
| 458 |
+
crop_start = int(height * top_crop_ratio)
|
| 459 |
+
crop_start = min(max(crop_start, 0), height - 1)
|
| 460 |
+
mrz_img = img[crop_start:height, :]
|
| 461 |
+
|
| 462 |
+
with tempfile.NamedTemporaryFile(suffix=".jpg", delete=False) as tmp:
|
| 463 |
+
cropped_path = tmp.name
|
| 464 |
+
|
| 465 |
+
cv2.imwrite(cropped_path, mrz_img)
|
| 466 |
+
return cropped_path, True
|
| 467 |
+
|
| 468 |
+
def preprocess_for_ocr(self, img_path):
|
| 469 |
+
img = cv2.imread(img_path)
|
| 470 |
+
if img is None:
|
| 471 |
+
return []
|
| 472 |
+
|
| 473 |
+
variants = [img]
|
| 474 |
+
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
|
| 475 |
+
clahe = cv2.createCLAHE(clipLimit=2.0, tileGridSize=(8, 8))
|
| 476 |
+
enhanced = clahe.apply(gray)
|
| 477 |
+
variants.append(enhanced)
|
| 478 |
+
|
| 479 |
+
sharp = cv2.GaussianBlur(enhanced, (0, 0), 1.0)
|
| 480 |
+
sharp = cv2.addWeighted(enhanced, 1.6, sharp, -0.6, 0)
|
| 481 |
+
variants.append(sharp)
|
| 482 |
+
return variants
|
| 483 |
+
|
| 484 |
+
def _find_mrz_lines(self, candidates):
|
| 485 |
+
for i, c in enumerate(candidates):
|
| 486 |
+
p_start = c.find("P<")
|
| 487 |
+
if 0 <= p_start <= 3:
|
| 488 |
+
c = c[p_start:]
|
| 489 |
+
for next_line in candidates[i + 1 : i + 4]:
|
| 490 |
+
if len(next_line) >= 35:
|
| 491 |
+
return c, next_line
|
| 492 |
+
for i in range(len(candidates) - 1):
|
| 493 |
+
first, second = candidates[i], candidates[i + 1]
|
| 494 |
+
if len(first) >= 35 and len(second) >= 35:
|
| 495 |
+
return first, second
|
| 496 |
+
return None, None
|
| 497 |
+
|
| 498 |
+
def _mrz_line_boxes(self, image):
|
| 499 |
+
if len(image.shape) == 3:
|
| 500 |
+
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
|
| 501 |
+
else:
|
| 502 |
+
gray = image
|
| 503 |
+
|
| 504 |
+
_, bw = cv2.threshold(gray, 0, 255, cv2.THRESH_BINARY_INV + cv2.THRESH_OTSU)
|
| 505 |
+
kernel = cv2.getStructuringElement(cv2.MORPH_RECT, (35, 5))
|
| 506 |
+
dilated = cv2.dilate(bw, kernel, iterations=2)
|
| 507 |
+
contours, _ = cv2.findContours(
|
| 508 |
+
dilated, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE
|
| 509 |
+
)
|
| 510 |
+
|
| 511 |
+
h, w = gray.shape
|
| 512 |
+
boxes = []
|
| 513 |
+
for contour in contours:
|
| 514 |
+
x, y, box_w, box_h = cv2.boundingRect(contour)
|
| 515 |
+
if box_w > w * 0.25 and box_h > 8:
|
| 516 |
+
pad = 8
|
| 517 |
+
boxes.append(
|
| 518 |
+
[
|
| 519 |
+
max(0, x - pad),
|
| 520 |
+
min(w, x + box_w + pad),
|
| 521 |
+
max(0, y - pad),
|
| 522 |
+
min(h, y + box_h + pad),
|
| 523 |
+
]
|
| 524 |
+
)
|
| 525 |
+
|
| 526 |
+
boxes = sorted(boxes, key=lambda box: box[2])[-2:]
|
| 527 |
+
if len(boxes) == 2:
|
| 528 |
+
return sorted(boxes, key=lambda box: box[2])
|
| 529 |
+
return []
|
| 530 |
+
|
| 531 |
+
def extract_mrz_easyocr(self, img_path):
|
| 532 |
+
allow = st.ascii_uppercase + st.digits + "<"
|
| 533 |
+
l1, l2 = None, None
|
| 534 |
+
for image in self.preprocess_for_ocr(img_path):
|
| 535 |
+
boxes = self._mrz_line_boxes(image)
|
| 536 |
+
if not boxes:
|
| 537 |
+
continue
|
| 538 |
+
|
| 539 |
+
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY) if len(image.shape) == 3 else image
|
| 540 |
+
results = self.reader.recognize(
|
| 541 |
+
gray,
|
| 542 |
+
horizontal_list=boxes,
|
| 543 |
+
free_list=[],
|
| 544 |
+
detail=0,
|
| 545 |
+
allowlist=allow,
|
| 546 |
+
batch_size=2,
|
| 547 |
+
)
|
| 548 |
+
candidates = [
|
| 549 |
+
"".join([c for c in r.upper().replace(" ", "") if c in allow])
|
| 550 |
+
for r in results
|
| 551 |
+
if len(r) >= 25
|
| 552 |
+
]
|
| 553 |
+
l1, l2 = self._find_mrz_lines(candidates)
|
| 554 |
+
if l1 and l2:
|
| 555 |
+
return l1, l2
|
| 556 |
+
return l1, l2
|
| 557 |
+
|
| 558 |
+
def extract_mrz_easyocr_slow(self, img_path):
|
| 559 |
+
allow = st.ascii_uppercase + st.digits + "<"
|
| 560 |
+
best = (None, None)
|
| 561 |
+
for image in self.preprocess_for_ocr(img_path):
|
| 562 |
+
results = self.reader.readtext(
|
| 563 |
+
image,
|
| 564 |
+
detail=0,
|
| 565 |
+
allowlist=allow,
|
| 566 |
+
paragraph=False,
|
| 567 |
+
width_ths=0.9,
|
| 568 |
+
ycenter_ths=0.7,
|
| 569 |
+
contrast_ths=0.05,
|
| 570 |
+
adjust_contrast=0.7,
|
| 571 |
+
)
|
| 572 |
+
candidates = [
|
| 573 |
+
"".join([c for c in r.upper().replace(" ", "") if c in allow])
|
| 574 |
+
for r in results
|
| 575 |
+
if len(r) >= 20
|
| 576 |
+
]
|
| 577 |
+
l1, l2 = self._find_mrz_lines(candidates)
|
| 578 |
+
if l1 and l2:
|
| 579 |
+
return l1, l2
|
| 580 |
+
if candidates:
|
| 581 |
+
best = self._find_mrz_lines(
|
| 582 |
+
[c for c in candidates if len(c) >= 30]
|
| 583 |
+
)
|
| 584 |
+
return best
|
| 585 |
+
|
| 586 |
+
def get_data(self, img_path, airline="iraqi"):
|
| 587 |
+
ocr_path, should_cleanup = self.crop_mrz_section(img_path)
|
| 588 |
+
|
| 589 |
+
# 1. Try PassportEye (Tesseract)
|
| 590 |
+
mrz_data = None
|
| 591 |
+
if self.has_tesseract:
|
| 592 |
+
try:
|
| 593 |
+
mrz = read_mrz(ocr_path)
|
| 594 |
+
if mrz and getattr(mrz, "valid_score", 0) > 20:
|
| 595 |
+
mrz_data = {
|
| 596 |
+
"surname": clean_name_field(getattr(mrz, "surname", "")),
|
| 597 |
+
"name": clean_name_field(getattr(mrz, "names", "")),
|
| 598 |
+
"passport_number": clean_string(getattr(mrz, "number", "")),
|
| 599 |
+
"nationality": clean_string(getattr(mrz, "nationality", "")),
|
| 600 |
+
"issuing_country": clean_string(getattr(mrz, "issuing_state", "")),
|
| 601 |
+
"date_of_birth": clean_string(
|
| 602 |
+
getattr(mrz, "date_of_birth", "")
|
| 603 |
+
),
|
| 604 |
+
"sex": get_sex(getattr(mrz, "sex", "")),
|
| 605 |
+
"expiration_date": clean_string(
|
| 606 |
+
getattr(mrz, "expiration_date", "")
|
| 607 |
+
),
|
| 608 |
+
"mrz_found": True,
|
| 609 |
+
}
|
| 610 |
+
except Exception as e:
|
| 611 |
+
logger.info(f"PassportEye failed, using EasyOCR fallback: {e}")
|
| 612 |
+
|
| 613 |
+
# 2. Try EasyOCR direct search if Tesseract failed
|
| 614 |
+
if not mrz_data:
|
| 615 |
+
l1, l2 = self.extract_mrz_easyocr(ocr_path)
|
| 616 |
+
if not (l1 and l2):
|
| 617 |
+
l1, l2 = self.extract_mrz_easyocr_slow(ocr_path)
|
| 618 |
+
if not (l1 and l2) and should_cleanup:
|
| 619 |
+
l1, l2 = self.extract_mrz_easyocr_slow(img_path)
|
| 620 |
+
if l1 and l2:
|
| 621 |
+
try:
|
| 622 |
+
l1, l2 = clean_mrz_line(l1), clean_mrz_line2(l2)
|
| 623 |
+
issuing_country, surname, given_names = parse_mrz_line1(l1)
|
| 624 |
+
line2_data = parse_mrz_line2(l2)
|
| 625 |
+
mrz_data = {
|
| 626 |
+
"surname": surname,
|
| 627 |
+
"name": given_names,
|
| 628 |
+
"issuing_country": issuing_country,
|
| 629 |
+
"passport_number": line2_data.get("passport_number", ""),
|
| 630 |
+
"nationality": line2_data.get("nationality", ""),
|
| 631 |
+
"date_of_birth": line2_data.get("date_of_birth", ""),
|
| 632 |
+
"sex": line2_data.get("sex", ""),
|
| 633 |
+
"expiration_date": line2_data.get("expiration_date", ""),
|
| 634 |
+
"mrz_found": True,
|
| 635 |
+
}
|
| 636 |
+
except:
|
| 637 |
+
pass
|
| 638 |
+
|
| 639 |
+
try:
|
| 640 |
+
if mrz_data:
|
| 641 |
+
# Final fallback for sex if still missing
|
| 642 |
+
if not mrz_data.get("sex"):
|
| 643 |
+
try:
|
| 644 |
+
# Quick check for gender keywords in the whole image
|
| 645 |
+
results = self.reader.readtext(img_path, detail=0)
|
| 646 |
+
text_blob = " ".join(results).upper()
|
| 647 |
+
if "FEMALE" in text_blob:
|
| 648 |
+
mrz_data["sex"] = "F"
|
| 649 |
+
elif "MALE" in text_blob:
|
| 650 |
+
mrz_data["sex"] = "M"
|
| 651 |
+
except:
|
| 652 |
+
pass
|
| 653 |
+
|
| 654 |
+
mrz_data["country"] = get_country_name(mrz_data["nationality"])
|
| 655 |
+
return mrz_data
|
| 656 |
+
return None
|
| 657 |
+
finally:
|
| 658 |
+
if should_cleanup and os.path.exists(ocr_path):
|
| 659 |
+
try:
|
| 660 |
+
os.remove(ocr_path)
|
| 661 |
+
except Exception as delete_error:
|
| 662 |
+
logger.warning(
|
| 663 |
+
f"Could not remove temp cropped file {ocr_path}: {delete_error}"
|
| 664 |
+
)
|
| 665 |
+
|
| 666 |
+
def process_pdf(self, pdf_path, progress_callback=None, airline="iraqi"):
|
| 667 |
+
results = []
|
| 668 |
+
try:
|
| 669 |
+
doc = fitz.open(pdf_path)
|
| 670 |
+
total_pages = len(doc)
|
| 671 |
+
for i in range(total_pages):
|
| 672 |
+
if progress_callback:
|
| 673 |
+
progress_callback((i + 1) / total_pages)
|
| 674 |
+
page = doc.load_page(i)
|
| 675 |
+
pix = page.get_pixmap(
|
| 676 |
+
matrix=fitz.Matrix(2, 2)
|
| 677 |
+
) # Better resolution for OCR
|
| 678 |
+
|
| 679 |
+
with tempfile.NamedTemporaryFile(suffix=".jpg", delete=False) as tmp:
|
| 680 |
+
tmp_path = tmp.name
|
| 681 |
+
|
| 682 |
+
try:
|
| 683 |
+
pix.save(tmp_path)
|
| 684 |
+
res = self.get_data(tmp_path, airline=airline)
|
| 685 |
+
if res:
|
| 686 |
+
results.append(res)
|
| 687 |
+
finally:
|
| 688 |
+
if os.path.exists(tmp_path):
|
| 689 |
+
try:
|
| 690 |
+
os.remove(tmp_path)
|
| 691 |
+
except Exception as delete_error:
|
| 692 |
+
logger.warning(
|
| 693 |
+
f"Could not remove temp file {tmp_path}: {delete_error}"
|
| 694 |
+
)
|
| 695 |
+
doc.close()
|
| 696 |
+
except Exception as e:
|
| 697 |
+
logger.error(f"PDF processing error: {e}")
|
| 698 |
+
raise e
|
| 699 |
+
return results
|
requirements.txt
ADDED
|
@@ -0,0 +1,9 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
pandas
|
| 2 |
+
gradio
|
| 3 |
+
opencv-python
|
| 4 |
+
numpy
|
| 5 |
+
easyocr
|
| 6 |
+
PyMuPDF
|
| 7 |
+
pycountry
|
| 8 |
+
passporteye
|
| 9 |
+
openpyxl
|