@ocr_with_retry(max_retries=3) def robust_ocr(input_path): # Your OCR implementation pass | Limitation | Alternative | |------------|-------------| | Windows-only (COM method) | Use CLI or Server API | | License required | Tesseract (free), Google Cloud Vision | | Slow for large batches | Use FineReader Server (distributed) | | Complex layout handling | Adobe Extract API | 11. Complete Working Example # full_pipeline.py import os from pathlib import Path import json from datetime import datetime def main(): # Setup input_folder = "./input_scans" output_folder = "./ocr_results" os.makedirs(output_folder, exist_ok=True)
cmd = [ fine_cmd, input_path, f"/out:output_path", f"/fmt:output_format", "/lang:English", # Use multiple: "/lang:English,French,German" "/recognize", "/auto", # Automatic document analysis "/close" ]
def download_result(self, task_id, output_path): """Download OCR result.""" response = self.session.get(f"self.base_url/api/v1/tasks/task_id/result") with open(output_path, 'wb') as f: f.write(response.content) return output_path abbyy finereader python
return result.returncode fine_read_cli("scan.jpg", "output/result", "docx") Batch Processing with CLI from concurrent.futures import ThreadPoolExecutor from tqdm import tqdm def batch_ocr_cli(input_folder, output_folder, max_workers=4): """Process all images in a folder.""" input_folder = Path(input_folder) output_folder = Path(output_folder) output_folder.mkdir(exist_ok=True)
if cache_file.exists(): with open(cache_file, 'rb') as f: return pickle.load(f) exist_ok=True) cmd = [ fine_cmd
def wait_and_download(self, file_path, output_path, poll_interval=2): """Submit and wait for completion.""" task_id = self.submit_ocr_task(file_path) while True: status = self.get_task_status(task_id) if status['state'] == 'completed': return self.download_result(task_id, output_path) elif status['state'] == 'failed': raise Exception(f"OCR failed: status.get('error', 'Unknown error')") time.sleep(poll_interval) client = FineReaderServerClient( base_url="http://localhost:8080", username="admin", password="secret" )
def get_task_status(self, task_id): """Check task status.""" response = self.session.get(f"self.base_url/api/v1/tasks/task_id") return response.json() # Use multiple: "/lang:English
def ocr_document(self, input_path, output_path, output_format="docx", language="English"): """OCR a single document with full control.""" # Create document object doc = self.app.CreateDocument() # Add image page page = doc.AddImageFile(input_path, 0) # 0 = auto orientation # Analyze layout doc.AnalyzeLayout() # Recognize with specific language doc.Recognize(language) # Export if output_format == "docx": doc.Export(output_path, "DOCX") elif output_format == "txt": doc.Export(output_path, "TEXT") elif output_format == "pdf": doc.Export(output_path, "PDF") # Cleanup doc.Close() return output_path