Refactoring to assemble docs

pdelfin/beakerpipeline.py

@@ -18,6 +18,8 @@ from tqdm import tqdm
 from io import BytesIO
 from PIL import Image
 from pypdf import PdfReader
+from dataclasses import dataclass
+from typing import Optional
 
 from pdelfin.s3_utils import expand_s3_glob, get_s3_bytes, parse_s3_path, download_zstd_csv, upload_zstd_csv, download_directory
 from pdelfin.data.renderpdf import render_pdf_to_base64png
@@ -39,6 +41,12 @@ pdf_s3 = boto3.client('s3')
 
 MAX_TOKENS = 3000
 
+@dataclass(frozen=True)
+class PageResult:
+    s3_path: str
+    page_num: int
+    response: PageResponse
+
 
 async def build_page_query(local_pdf_path: str, page: int, target_longest_image_dim: int, target_anchor_text_len: int, image_rotation: int=0) -> dict:
     assert image_rotation in [0, 90, 180, 270], "Invalid image rotation provided in build_page_query"
@@ -188,7 +196,7 @@ async def load_pdf_work_queue(args) -> asyncio.Queue:
     return queue
 
 
-async def process_page(session, pdf_path, page_num, args) -> PageResponse:
+async def process_page(args, session: aiohttp.ClientSession, pdf_s3_path: str, pdf_local_path: str, page_num: int) -> PageResult:
     COMPLETION_URL = "http://localhost:30000/v1/chat/completions"
     
     query = await build_page_query(
@@ -206,16 +214,21 @@ async def process_page(session, pdf_path, page_num, args) -> PageResponse:
                 
             try:
                 base_response_data = await response.json()
-                model_response_json = json.loads(base_response_data["outputs"][0]["text"])
+
+                model_response_json = json.loads(base_response_data["choices"][0]["message"]["content"])
                 page_response = PageResponse(**model_response_json)
+
+                return PageResult(pdf_s3_path, page_num, page_response)
             except Exception as e:
-                logger.warning(f"Could not parse response for {pdf_path}-{page_num}")
+                logger.warning(f"Could not parse response for {pdf_path}-{page_num}, reason: {e}")
+            
+            raise ValueError("Could not process page")
     except Exception as e:
         logger.error(f"Exception while processing page {page_num}: {e}")
-        return None
+        raise
 
 
-async def process_pdf(args, pdf_s3_path):
+async def process_pdf(args, pdf_s3_path: str):
     with tempfile.NamedTemporaryFile("wb+", suffix=".pdf") as tf:
         # TODO Switch to aioboto3 or something
         data = await asyncio.to_thread(lambda: get_s3_bytes(pdf_s3, pdf_s3_path))
@@ -231,29 +244,27 @@ async def process_pdf(args, pdf_s3_path):
         async with aiohttp.ClientSession() as session:
             for page_num in range(1, num_pages + 1):
                 # Create a task for each page
-                task = asyncio.create_task(process_page(session, tf.name, page_num, args))
+                task = asyncio.create_task(process_page(args, session, pdf_s3_path, tf.name, page_num))
                 page_tasks.append(task)
 
             # Gather results from all page processing tasks
-            page_results = await asyncio.gather(*page_tasks)
-
-        # If we failed to build a page, then this document is toast
-        # TODO Abort earlier, if a page returns a None, then we can stop processing the whole pdf
-        if any(page is None for page in page_results):
-            logger.warning(f"PDF {pdf_s3_path} was not able to complete, not able to process a page")
+            try:
+                page_results: list[PageResult] = await asyncio.gather(*page_tasks)
+            except:
+                logger.warning(f"Could not load page for {pdf_s3_path}, aborting document")
                 return None
 
+ 
         # Build the document text and page spans
         document_text = ''
         pdf_page_spans = []
         current_char_pos = 0
 
-        for page_num, result in page_data:
-            try:
-                content = result['choices'][0]['message']['content']
-            except (KeyError, IndexError) as e:
-                logger.error(f"Failed to extract content for page {page_num}: {e}")
-                continue
+        for index, page_result in enumerate(page_results):
+            if page_result.response.natural_text is not None:
+                content = page_result.response.natural_text + ("\n" if index == len(page_results) - 1 else "")
+            else:
+                content = ""
 
             start_pos = current_char_pos
             document_text += content
@@ -298,6 +309,8 @@ async def worker(args, queue):
         
         # Take all the not None completed_pdfs and write them as a jsonl to the workspace output location
         # under the proper work_hash location
+        for dolma_doc in completed_pdfs:
+            logger.info("Done!", dolma_doc)
         
         queue.task_done()
 
@@ -330,8 +343,6 @@ async def sglang_server_task(args):
     # Make really sure we kill this subprocess on exit
     def _kill_proc():
         proc.terminate()
-        time.sleep(3)
-        proc.kill()
 
     atexit.register(_kill_proc)
 
@@ -390,6 +401,7 @@ async def main():
         pdf_s3 = pdf_session.client("s3")
 
     check_poppler_version()
+    logger.info(f"Starting pipeline with PID {os.getpid()}")
 
     if args.pdfs:
         await populate_pdf_work_queue(args)

pdelfin/prompts/prompts.py

@@ -15,7 +15,7 @@ def build_openai_silver_data_prompt(base_text: str) -> str:
         f"RAW_TEXT_START\n{base_text}\nRAW_TEXT_END"
     )
 
-@dataclass
+@dataclass(frozen=True)
 class PageResponse:
     primary_language: Optional[str]
     is_rotation_valid: bool