feat: add support for file upload and return as file in async endpoints (#152)

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

docling_serve/engines/async_local/orchestrator.py

@@ -3,8 +3,9 @@ import logging
 import uuid
 from typing import Optional
 
-from docling_serve.datamodel.requests import ConvertDocumentsRequest
-from docling_serve.datamodel.task import Task
+from docling_serve.datamodel.convert import ConvertDocumentsOptions
+from docling_serve.datamodel.task import Task, TaskSource
+from docling_serve.docling_conversion import get_converter, get_pdf_pipeline_opts
 from docling_serve.engines.async_local.worker import AsyncLocalWorker
 from docling_serve.engines.async_orchestrator import BaseAsyncOrchestrator
 from docling_serve.settings import docling_serve_settings
@@ -18,9 +19,11 @@ class AsyncLocalOrchestrator(BaseAsyncOrchestrator):
         self.task_queue = asyncio.Queue()
         self.queue_list: list[str] = []
 
-    async def enqueue(self, request: ConvertDocumentsRequest) -> Task:
+    async def enqueue(
+        self, sources: list[TaskSource], options: ConvertDocumentsOptions
+    ) -> Task:
         task_id = str(uuid.uuid4())
-        task = Task(task_id=task_id, request=request)
+        task = Task(task_id=task_id, sources=sources, options=options)
         await self.init_task_tracking(task)
 
         self.queue_list.append(task_id)
@@ -47,3 +50,8 @@ class AsyncLocalOrchestrator(BaseAsyncOrchestrator):
         # Wait for all workers to complete (they won't, as they run indefinitely)
         await asyncio.gather(*workers)
         _log.debug("All workers completed.")
+
+    async def warm_up_caches(self):
+        # Converter with default options
+        pdf_format_option = get_pdf_pipeline_opts(ConvertDocumentsOptions())
+        get_converter(pdf_format_option)