DocumentVisitor — Aspose.Note FOSS for Python API Reference

def VisitXxxStart(self, node: NodeType) -> None: ...
def VisitXxxEnd(self, node: NodeType) -> None: ...

from aspose.note import Document, DocumentVisitor, Page, Title

class TitleCollector(DocumentVisitor):
    def __init__(self):
        self.titles = []

    def VisitTitleStart(self, title: Title) -> None:
        if title.TitleText:
            self.titles.append(title.TitleText.Text)

doc = Document("MyNotes.one")
visitor = TitleCollector()
doc.Accept(visitor)
print(visitor.titles)

from aspose.note import Document, DocumentVisitor, Page, RichText, Image

class NodeCounter(DocumentVisitor):
    def __init__(self):
        self.pages = 0
        self.rich_texts = 0
        self.images = 0

    def VisitPageStart(self, page: Page) -> None:
        self.pages += 1

    def VisitRichTextStart(self, rich_text: RichText) -> None:
        self.rich_texts += 1

    def VisitImageStart(self, image: Image) -> None:
        self.images += 1

doc = Document("MyNotes.one")
counter = NodeCounter()
doc.Accept(counter)
print(f"Pages: {counter.pages}, RichText: {counter.rich_texts}, Images: {counter.images}")

from aspose.note import Document, DocumentVisitor, Image

class ImageExtractor(DocumentVisitor):
    def __init__(self):
        self.images = []

    def VisitImageStart(self, image: Image) -> None:
        if image.Bytes:
            self.images.append(image)

doc = Document("MyNotes.one")
extractor = ImageExtractor()
doc.Accept(extractor)

for i, img in enumerate(extractor.images):
    filename = img.FileName or f"image_{i}.bin"
    with open(filename, "wb") as f:
        f.write(img.Bytes)
    print(f"Saved: {filename} ({len(img.Bytes)} bytes)")

from aspose.note import (
    Document, DocumentVisitor,
    Page, Outline, OutlineElement, RichText
)

class OutlineReporter(DocumentVisitor):
    def __init__(self):
        self._indent = 0
        self.lines = []

    def VisitPageStart(self, page: Page) -> None:
        title = page.Title.TitleText.Text if page.Title and page.Title.TitleText else "(untitled)"
        self.lines.append(f"PAGE: {title}")
        self._indent = 1

    def VisitOutlineElementStart(self, elem: OutlineElement) -> None:
        self._indent = 2 + elem.IndentLevel

    def VisitRichTextStart(self, rt: RichText) -> None:
        if rt.Text.strip():
            self.lines.append("  " * self._indent + rt.Text.strip())

doc = Document("MyNotes.one")
reporter = OutlineReporter()
doc.Accept(reporter)
print("\n".join(reporter.lines))

from aspose.note import Document, Page, DocumentVisitor, RichText

class TextPrinter(DocumentVisitor):
    def VisitRichTextStart(self, rt: RichText) -> None:
        print(rt.Text)

doc = Document("MyNotes.one")
pages = doc.GetChildNodes(Page)
if pages:
    # Visit only the first page
    pages[0].Accept(TextPrinter())