def test_page_operations(pdf_path, password):
"""
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.
"""
if pdf_path.startswith("http"):
pdf_path = BytesIO(get_pdf_from_url(pdf_path, pdf_path.split("/")[-1]))
else:
pdf_path = os.path.join(RESOURCE_ROOT, pdf_path)
reader = PdfReader(pdf_path)
if password:
reader.decrypt(password)
page: PageObject = reader.pages[0]
transformation = Transformation().rotate(90).scale(1).translate(1, 1)
page.add_transformation(transformation, expand=True)
page.add_transformation((1, 0, 0, 0, 0, 0))
page.scale(2, 2)
page.scale_by(0.5)
page.scale_to(100, 100)
page.compress_content_streams()
page.extract_text()
page.scale_by(0.5)
page.scale_to(100, 100)
page.extract_text()
def test_text_extraction_encrypted():
inputfile = os.path.join(RESOURCE_ROOT, "libreoffice-writer-password.pdf")
reader = PdfReader(inputfile)
assert reader.is_encrypted is True
reader.decrypt("openpassword")
assert (reader.pages[0].extract_text().replace(
"\n", "").strip().startswith("Lorem ipsum dolor sit amet"))
def page_ops(pdf_path, password):
pdf_path = os.path.join(RESOURCE_ROOT, pdf_path)
reader = PdfReader(pdf_path)
if password:
reader.decrypt(password)
page = reader.pages[0]
op = Transformation().rotate(90).scale(1.2)
page.add_transformation(op)
page.merge_page(page)
op = Transformation().scale(1).translate(tx=1, ty=1)
page.add_transformation(op)
page.merge_page(page)
op = Transformation().rotate(90).scale(1).translate(tx=1, ty=1)
page.add_transformation(op)
page.merge_page(page)
page.add_transformation((1, 0, 0, 0, 0, 0))
page.scale(2, 2)
page.scale_by(0.5)
page.scale_to(100, 100)
page.compress_content_streams()
page.extract_text()
def test_decrypt_when_no_id():
"""
Decrypt an encrypted file that's missing the 'ID' value in its
trailer.
https://github.com/mstamy2/PyPDF2/issues/608
"""
with open(os.path.join(RESOURCE_ROOT, "encrypted_doc_no_id.pdf"),
"rb") as inputfile:
ipdf = PdfReader(inputfile)
ipdf.decrypt("")
assert ipdf.metadata == {"/Producer": "European Patent Office"}
def test_decrypt():
with open(os.path.join(RESOURCE_ROOT, "libreoffice-writer-password.pdf"),
"rb") as inputfile:
reader = PdfReader(inputfile)
assert reader.is_encrypted is True
reader.decrypt("openpassword")
assert len(reader.pages) == 1
assert reader.is_encrypted is True
metadict = reader.metadata
assert dict(metadict) == {
"/CreationDate": "D:20220403203552+02'00'",
"/Creator": "Writer",
"/Producer": "LibreOffice 6.4",
}
def test_compress_content_streams(pdf_path, password):
reader = PdfReader(pdf_path)
if password:
reader.decrypt(password)
for page in reader.pages:
page.compress_content_streams()
