예제 #1
0
def test_remove_text(input_path, ignore_byte_string_object):
    pdf_path = os.path.join(RESOURCE_ROOT, input_path)

    reader = PdfReader(pdf_path)
    writer = PdfWriter()

    page = reader.pages[0]
    writer.insert_page(page, 0)
    writer.remove_text(ignore_byte_string_object=ignore_byte_string_object)

    # finally, write "output" to PyPDF2-output.pdf
    tmp_filename = "dont_commit_writer_removed_text.pdf"
    with open(tmp_filename, "wb") as output_stream:
        writer.write(output_stream)

    # Cleanup
    os.remove(tmp_filename)
예제 #2
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def test_remove_images(input_path, ignore_byte_string_object):
    pdf_path = os.path.join(RESOURCE_ROOT, input_path)

    reader = PdfReader(pdf_path)
    writer = PdfWriter()

    page = reader.pages[0]
    writer.insert_page(page, 0)
    writer.remove_images(ignore_byte_string_object=ignore_byte_string_object)

    # finally, write "output" to PyPDF2-output.pdf
    tmp_filename = "dont_commit_writer_removed_image.pdf"
    with open(tmp_filename, "wb") as output_stream:
        writer.write(output_stream)

    with open(tmp_filename, "rb") as input_stream:
        reader = PdfReader(input_stream)
        if input_path == "side-by-side-subfig.pdf":
            extracted_text = reader.pages[0].extract_text()
            assert "Lorem ipsum dolor sit amet" in extracted_text

    # Cleanup
    os.remove(tmp_filename)
예제 #3
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def test_writer_operations():
    """
    This test just checks if the operation throws an exception.

    This should be done way more thoroughly: It should be checked if the
    output is as expected.
    """
    pdf_path = os.path.join(RESOURCE_ROOT, "crazyones.pdf")
    pdf_outline_path = os.path.join(RESOURCE_ROOT, "pdflatex-outline.pdf")

    reader = PdfReader(pdf_path)
    reader_outline = PdfReader(pdf_outline_path)

    writer = PdfWriter()
    page = reader.pages[0]
    with pytest.raises(PageSizeNotDefinedError) as exc:
        writer.add_blank_page()
    assert exc.value.args == ()
    writer.insert_page(page, 1)
    writer.insert_page(reader_outline.pages[0], 0)
    writer.add_bookmark_destination(page)
    writer.remove_links()
    writer.add_bookmark_destination(page)
    bm = writer.add_bookmark("A bookmark", 0, None, (255, 0, 15), True, True,
                             "/FitBV", 10)
    writer.add_bookmark("The XYZ fit", 0, bm, (255, 0, 15), True, True, "/XYZ",
                        10, 20, 3)
    writer.add_bookmark("The FitH fit", 0, bm, (255, 0, 15), True, True,
                        "/FitH", 10)
    writer.add_bookmark("The FitV fit", 0, bm, (255, 0, 15), True, True,
                        "/FitV", 10)
    writer.add_bookmark("The FitR fit", 0, bm, (255, 0, 15), True, True,
                        "/FitR", 10, 20, 30, 40)
    writer.add_bookmark("The FitB fit", 0, bm, (255, 0, 15), True, True,
                        "/FitB")
    writer.add_bookmark("The FitBH fit", 0, bm, (255, 0, 15), True, True,
                        "/FitBH", 10)
    writer.add_bookmark("The FitBV fit", 0, bm, (255, 0, 15), True, True,
                        "/FitBV", 10)
    writer.add_blank_page()
    writer.add_uri(2, "https://example.com", RectangleObject([0, 0, 100, 100]))
    writer.add_link(2, 1, RectangleObject([0, 0, 100, 100]))
    assert writer._get_page_layout() is None
    writer._set_page_layout("/SinglePage")
    assert writer._get_page_layout() == "/SinglePage"
    assert writer._get_page_mode() is None
    writer.set_page_mode("/UseNone")
    assert writer._get_page_mode() == "/UseNone"
    writer.insert_blank_page(width=100, height=100)
    writer.insert_blank_page()  # without parameters

    # TODO: This gives "KeyError: '/Contents'" - is that a bug?
    # writer.removeImages()

    writer.add_metadata({"author": "Martin Thoma"})

    writer.add_attachment("foobar.gif", b"foobarcontent")

    # finally, write "output" to PyPDF2-output.pdf
    tmp_path = "dont_commit_writer.pdf"
    with open(tmp_path, "wb") as output_stream:
        writer.write(output_stream)

    # cleanup
    os.remove(tmp_path)
예제 #4
0
def test_remove_text_all_operators(ignore_byte_string_object):
    stream = (b"BT "
              b"/F0 36 Tf "
              b"50 706 Td "
              b"36 TL "
              b"(The Tj operator) Tj "
              b'1 2 (The double quote operator) " '
              b"(The single quote operator) ' "
              b"ET")
    pdf_data = (
        b"%%PDF-1.7\n"
        b"1 0 obj << /Count 1 /Kids [5 0 R] /Type /Pages >> endobj\n"
        b"2 0 obj << >> endobj\n"
        b"3 0 obj << >> endobj\n"
        b"4 0 obj << /Length %d >>\n"
        b"stream\n" + (b"%s\n" % stream) + b"endstream\n"
        b"endobj\n"
        b"5 0 obj << /Contents 4 0 R /CropBox [0.0 0.0 2550.0 3508.0]\n"
        b" /MediaBox [0.0 0.0 2550.0 3508.0] /Parent 1 0 R"
        b" /Resources << /Font << >> >>"
        b" /Rotate 0 /Type /Page >> endobj\n"
        b"6 0 obj << /Pages 1 0 R /Type /Catalog >> endobj\n"
        b"xref 1 6\n"
        b"%010d 00000 n\n"
        b"%010d 00000 n\n"
        b"%010d 00000 n\n"
        b"%010d 00000 n\n"
        b"%010d 00000 n\n"
        b"%010d 00000 n\n"
        b"trailer << /Root 6 0 R /Size 6 >>\n"
        b"startxref\n%d\n"
        b"%%%%EOF")
    startx_correction = -1
    pdf_data = pdf_data % (
        len(stream),
        pdf_data.find(b"1 0 obj") + startx_correction,
        pdf_data.find(b"2 0 obj") + startx_correction,
        pdf_data.find(b"3 0 obj") + startx_correction,
        pdf_data.find(b"4 0 obj") + startx_correction,
        pdf_data.find(b"5 0 obj") + startx_correction,
        pdf_data.find(b"6 0 obj") + startx_correction,
        # startx_correction should be -1 due to double % at the beginning indiducing an error on startxref computation
        pdf_data.find(b"xref"),
    )
    print(pdf_data.decode())
    pdf_stream = BytesIO(pdf_data)

    reader = PdfReader(pdf_stream, strict=False)
    writer = PdfWriter()

    page = reader.pages[0]
    writer.insert_page(page, 0)
    writer.remove_text(ignore_byte_string_object=ignore_byte_string_object)

    # finally, write "output" to PyPDF2-output.pdf
    tmp_filename = "dont_commit_writer_removed_text.pdf"
    with open(tmp_filename, "wb") as output_stream:
        writer.write(output_stream)

    # Cleanup
    os.remove(tmp_filename)