From d93d52cf1071170c31b21d4343589d6d13ee4a33 Mon Sep 17 00:00:00 2001
From: lixiangcheng1 <lixiangcheng1@wanda.cn>
Date: Tue, 27 Jan 2026 18:30:27 +0800
Subject: [PATCH] [fix]remove aspose-slides

---
 api/app/core/rag/app/presentation.py | 165 ---------------------------
 api/pyproject.toml                   |   1 -
 api/requirements.txt                 |   1 -
 3 files changed, 167 deletions(-)
 delete mode 100644 api/app/core/rag/app/presentation.py

diff --git a/api/app/core/rag/app/presentation.py b/api/app/core/rag/app/presentation.py
deleted file mode 100644
index d62e0096..00000000
--- a/api/app/core/rag/app/presentation.py
+++ /dev/null
@@ -1,165 +0,0 @@
-import copy
-import re
-from io import BytesIO
-from PIL import Image
-
-from app.core.rag.nlp import tokenize, is_english
-from app.core.rag.nlp import rag_tokenizer
-from app.core.rag.deepdoc.parser import PdfParser, PlainParser
-from app.core.rag.deepdoc.parser.ppt_parser import RAGPptParser as PptParser
-from PyPDF2 import PdfReader as pdf2_read
-from app.core.rag.app.naive import by_plaintext, PARSERS
-
-class Ppt(PptParser):
-    def __call__(self, fnm, from_page, to_page, callback=None):
-        txts = super().__call__(fnm, from_page, to_page)
-
-        callback(0.5, "Text extraction finished.")
-        import aspose.slides as slides
-        import aspose.pydrawing as drawing
-        imgs = []
-        with slides.Presentation(BytesIO(fnm)) as presentation:
-            for i, slide in enumerate(presentation.slides[from_page: to_page]):
-                try:
-                    with BytesIO() as buffered:
-                        slide.get_thumbnail(
-                            0.1, 0.1).save(
-                            buffered, drawing.imaging.ImageFormat.jpeg)
-                        buffered.seek(0)
-                        imgs.append(Image.open(buffered).copy())
-                except RuntimeError as e:
-                    raise RuntimeError(f'ppt parse error at page {i+1}, original error: {str(e)}') from e
-        assert len(imgs) == len(
-            txts), "Slides text and image do not match: {} vs. {}".format(len(imgs), len(txts))
-        callback(0.9, "Image extraction finished")
-        self.is_english = is_english(txts)
-        return [(txts[i], imgs[i]) for i in range(len(txts))]
-
-class Pdf(PdfParser):
-    def __init__(self):
-        super().__init__()
-
-    def __garbage(self, txt):
-        txt = txt.lower().strip()
-        if re.match(r"[0-9\.,%/-]+$", txt):
-            return True
-        if len(txt) < 3:
-            return True
-        return False
-
-    def __call__(self, filename, binary=None, from_page=0,
-                 to_page=100000, zoomin=3, callback=None):
-        from timeit import default_timer as timer
-        start = timer()
-        callback(msg="OCR started")
-        self.__images__(filename if not binary else binary,
-                        zoomin, from_page, to_page, callback)
-        callback(msg="Page {}~{}: OCR finished ({:.2f}s)".format(from_page, min(to_page, self.total_page), timer() - start))
-        assert len(self.boxes) == len(self.page_images), "{} vs. {}".format(
-            len(self.boxes), len(self.page_images))
-        res = []
-        for i in range(len(self.boxes)):
-            lines = "\n".join([b["text"] for b in self.boxes[i]
-                              if not self.__garbage(b["text"])])
-            res.append((lines, self.page_images[i]))
-        callback(0.9, "Page {}~{}: Parsing finished".format(
-            from_page, min(to_page, self.total_page)))
-        return res, []
-
-
-class PlainPdf(PlainParser):
-    def __call__(self, filename, binary=None, from_page=0,
-                 to_page=100000, callback=None, **kwargs):
-        self.pdf = pdf2_read(filename if not binary else BytesIO(binary))
-        page_txt = []
-        for page in self.pdf.pages[from_page: to_page]:
-            page_txt.append(page.extract_text())
-        callback(0.9, "Parsing finished")
-        return [(txt, None) for txt in page_txt], []
-
-
-def chunk(filename, binary=None, from_page=0, to_page=100000,
-          lang="Chinese", callback=None, vision_model=None, parser_config=None, **kwargs):
-    """
-    The supported file formats are pdf, pptx.
-    Every page will be treated as a chunk. And the thumbnail of every page will be stored.
-    PPT file will be parsed by using this method automatically, setting-up for every PPT file is not necessary.
-    """
-    if parser_config is None:
-        parser_config = {}
-    eng = lang.lower() == "english"
-    doc = {
-        "docnm_kwd": filename,
-        "title_tks": rag_tokenizer.tokenize(re.sub(r"\.[a-zA-Z]+$", "", filename))
-    }
-    doc["title_sm_tks"] = rag_tokenizer.fine_grained_tokenize(doc["title_tks"])
-    res = []
-    if re.search(r"\.pptx?$", filename, re.IGNORECASE):
-        if not binary:
-            with open(filename, "rb") as f:
-                binary = f.read()
-        ppt_parser = Ppt()
-        for pn, (txt, img) in enumerate(ppt_parser(
-                filename if not binary else binary, from_page, 1000000, callback)):
-            d = copy.deepcopy(doc)
-            pn += from_page
-            d["image"] = img
-            d["doc_type_kwd"] = "image"
-            d["page_num_int"] = [pn + 1]
-            d["top_int"] = [0]
-            d["position_int"] = [(pn + 1, 0, img.size[0], 0, img.size[1])]
-            tokenize(d, txt, eng)
-            res.append(d)
-        return res
-    elif re.search(r"\.pdf$", filename, re.IGNORECASE):
-        layout_recognizer = parser_config.get("layout_recognize", "DeepDOC")
-
-        if isinstance(layout_recognizer, bool):
-            layout_recognizer = "DeepDOC" if layout_recognizer else "Plain Text"
-
-        name = layout_recognizer.strip().lower()
-        parser = PARSERS.get(name, by_plaintext)
-        callback(0.1, "Start to parse.")
-
-        sections, _, _ = parser(
-            filename=filename,
-            binary=binary,
-            from_page=from_page,
-            to_page=to_page,
-            lang=lang,
-            callback=callback,
-            vision_model=vision_model,
-            pdf_cls=Pdf,
-            **kwargs
-        )
-
-        if not sections:
-            return []
-
-        if name in ["tcadp", "docling", "mineru"]:
-            parser_config["chunk_token_num"] = 0
-        
-        callback(0.8, "Finish parsing.")
-
-        for pn, (txt, img) in enumerate(sections):
-            d = copy.deepcopy(doc)
-            pn += from_page
-            if img:
-                d["image"] = img
-            d["page_num_int"] = [pn + 1]
-            d["top_int"] = [0]
-            d["position_int"] = [(pn + 1, 0, img.size[0] if img else 0, 0, img.size[1] if img else 0)]
-            tokenize(d, txt, eng)
-            res.append(d)
-        return res
-
-    raise NotImplementedError(
-        "file type not supported yet(pptx, pdf supported)")
-
-
-if __name__ == "__main__":
-    import sys
-
-    def dummy(a, b):
-        pass
-    chunk(sys.argv[1], callback=dummy)
diff --git a/api/pyproject.toml b/api/pyproject.toml
index 2dcc706d..e14495e2 100644
--- a/api/pyproject.toml
+++ b/api/pyproject.toml
@@ -88,7 +88,6 @@ dependencies = [
     "cachetools==6.2.1",
     "ruamel.yaml==0.18.10",
     "strenum==0.4.15",
-    "aspose-slides==24.12.0",
     "opencv-python==4.10.0.84",
     "numpy>=1.26.0,<2.0.0",
     "huggingface-hub==0.25.2",
diff --git a/api/requirements.txt b/api/requirements.txt
index 99252e09..0fc47979 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -82,7 +82,6 @@ olefile==0.47
 cachetools==6.2.1
 ruamel.yaml==0.18.10
 strenum==0.4.15
-aspose-slides==24.12.0
 opencv-python==4.10.0.84
 numpy>=1.26.0,<2.0.0
 huggingface-hub==0.25.2