def test_add_named_destination():
reader = PdfReader(os.path.join(RESOURCE_ROOT, "pdflatex-outline.pdf"))
writer = PdfWriter()
for page in reader.pages:
writer.add_page(page)
from PyPDF2.generic import NameObject
writer.add_named_destination(NameObject("A named dest"), 2)
writer.add_named_destination(NameObject("A named dest2"), 2)
from PyPDF2.generic import IndirectObject
assert writer.get_named_dest_root() == [
"A named dest",
IndirectObject(7, 0, writer),
"A named dest2",
IndirectObject(10, 0, writer),
]
# write "output" to PyPDF2-output.pdf
tmp_filename = "dont_commit_named_destination.pdf"
with open(tmp_filename, "wb") as output_stream:
writer.write(output_stream)
# Cleanup
os.remove(tmp_filename)
def set_need_appearances_writer(writer):
"""
Helper para escribir el pdf
:param writer: el pdf
:return:
"""
# See 12.7.2 and 7.7.2 for more information:
# http://www.adobe.com/content/dam/acom/en/devnet/acrobat/pdfs/PDF32000_2008.pdf
try:
catalog = writer._root_object
# get the AcroForm tree and add "/NeedAppearances attribute
if "/AcroForm" not in catalog:
writer._root_object.update({
NameObject("/AcroForm"):
IndirectObject(len(writer._objects), 0, writer)
})
need_appearances = NameObject("/NeedAppearances")
writer._root_object["/AcroForm"][need_appearances] = BooleanObject(
True)
return writer
except Exception as e:
print('set_need_appearances_writer() catch : ', repr(e))
return writer
def _set_appearances_to_writer(self, writer: PdfFileWriter) -> None:
catalog = writer._root_object
# get the AcroForm tree
if "/AcroForm" not in catalog:
writer._root_object.update({NameObject("/AcroForm"): IndirectObject(len(writer._objects), 0, writer)})
need_appearances = NameObject("/NeedAppearances")
writer._root_object["/AcroForm"][need_appearances] = BooleanObject(True)
def set_need_appearances_writer(writer):
try:
catalog = writer._root_object
# get the AcroForm tree and add "/NeedAppearances attribute
if "/AcroForm" not in catalog:
writer._root_object.update({NameObject("/AcroForm"): IndirectObject(len(writer._objects), 0, writer)})
need_appearances = NameObject("/NeedAppearances")
writer._root_object["/AcroForm"][need_appearances] = BooleanObject(True)
except Exception as e:
print('set_need_appearances_writer() catch : ', repr(e))
return writer
def updateFormProperlyWriter(writer: PdfFileWriter):
try:
catalog = writer._root_object
if "/AcroForm" not in catalog:
writer._root_object.update({
NameObject("/AcroForm"):
IndirectObject(len(writer._objects), 0, writer)
})
need_appearances = NameObject("/NeedAppearances")
writer._root_object["/AcroForm"][need_appearances] = BooleanObject(
True)
return writer
except Exception as e:
print('updateFormProperlyWriter() catch : ', repr(e))
return writer
def _setNeedAppearanceWriter(self):
# See 12.7.2 and 7.7.2 for more information: http://www.adobe.com/content/dam/acom/en/devnet/acrobat/pdfs/PDF32000_2008.pdf
try:
catalog = self._root_object
# get the AcroForm tree
if "/AcroForm" not in catalog:
self._root_object.update({
NameObject("/AcroForm"):
IndirectObject(len(self._objects), 0, self)
})
need_appearances = NameObject("/NeedAppearances")
self._root_object["/AcroForm"][need_appearances] = BooleanObject(
True)
except Exception as e:
print('setNeedAppearanceWriter() catch : ', repr(e))
finally:
return self
def set_need_appearances_writer(writer):
# basically used to ensured there are not
# overlapping form fields, which makes printing hard
try:
catalog = writer._root_object
# get the AcroForm tree and add "/NeedAppearances attribute
if "/AcroForm" not in catalog:
writer._root_object.update({
NameObject("/AcroForm"): IndirectObject(len(writer._objects),
0, writer)})
need_appearances = NameObject("/NeedAppearances")
writer._root_object["/AcroForm"][need_appearances] = BooleanObject(True)
except Exception as e:
print('set_need_appearances_writer() catch : ', repr(e))
return writer
def set_need_appearances_writer(writer: PdfFileWriter):
# See 12.7.2 and 7.7.2 for more information: http://www.adobe.com/content/dam/acom/en/devnet/acrobat/pdfs/PDF32000_2008.pdf
try:
catalog = writer._root_object
# get the AcroForm tree
if "/AcroForm" not in catalog:
writer._root_object.update({
NameObject("/AcroForm"):
IndirectObject(len(writer._objects), 0, writer)
})
need_appearances = NameObject("/NeedAppearances")
writer._root_object["/AcroForm"][need_appearances] = BooleanObject(
True)
# del writer._root_object["/AcroForm"]['NeedAppearances']
return writer
except Exception as e:
print('set_need_appearances_writer() catch : ', repr(e))
return writer
def set_need_appearances_writer(self, writer):
"""
Funzione usata dalla get_export_pdf per generare il report
precompilato dell'AdE liquidazione periodica IVA
"""
try:
catalog = writer._root_object
# get the AcroForm tree
if "/AcroForm" not in catalog:
writer._root_object.update({
NameObject("/AcroForm"):
IndirectObject(len(writer._objects), 0, writer)
})
need_appearances = NameObject("/NeedAppearances")
writer._root_object["/AcroForm"][need_appearances] = BooleanObject(
True)
return writer
except Exception as e:
print('set_need_appearances_writer() catch : ', repr(e))
return writer
def test_indirect_object_premature(value):
stream = BytesIO(value)
with pytest.raises(PdfStreamError) as exc:
IndirectObject.read_from_stream(stream, None)
assert exc.value.args[0] == "Stream has ended unexpectedly"
reader = PdfFileReader(pdf)
for key in reader.getFormTextFields().keys():
print(key)
values = {
'Last, First, Middle': 'Testerson, Testy, S',
'Service Branch': 'Air Force',
'Trusted Agent Name': 'Another Person',
}
writer = PdfFileWriter()
if "/AcroForm" not in writer._root_object:
writer._root_object.update({
NameObject("/AcroForm"):
IndirectObject(len(writer._objects), 0, writer)
})
writer._root_object["/AcroForm"].update(
{NameObject("/NeedAppearances"): BooleanObject(True)})
def update_fields(page):
if '/Annots' in page:
writer.updatePageFormFieldValues(page, values)
writer.appendPagesFromReader(reader, update_fields)
out = open(sys.argv[2], "wb")
writer.write(out)
out.close()
def cloneDocumentFromReader(self, reader: PdfFileReader, *args) -> None:
"""Create a copy (clone) of a document from a PDF file reader.
:param reader: PDF file reader instance from which the clone
should be created.
:callback after_page_append (function): Callback function that is invoked after
each page is appended to the writer. Signature includes a reference to the
appended page (delegates to appendPagesFromReader). Callback signature:
:param writer_pageref (PDF page reference): Reference to the page just
appended to the document.
"""
mustAddTogether = False
newInfoRef = self._info
oldPagesRef = self._pages
oldPages = self.getObject(self._pages)
# If there have already been any number of pages added
if oldPages[NameObject("/Count")] > 0:
# Keep them
mustAddTogether = True
else:
# Through the page object out
if oldPages in self._objects:
newInfoRef = self._pages
self._objects.remove(oldPages)
# Clone the reader's root document
self.cloneReaderDocumentRoot(reader)
if not self._root:
self._root = self._addObject(self._root_object)
# Sweep for all indirect references
externalReferenceMap = {}
self.stack = []
newRootRef = self._sweepIndirectReferences(externalReferenceMap,
self._root)
# Delete the stack to reset
del self.stack
# Clean-Up Time!!!
# Get the new root of the PDF
realRoot = self.getObject(newRootRef)
# Get the new pages tree root and its ID Number
tmpPages = realRoot[NameObject("/Pages")]
newIdNumForPages = 1 + self._objects.index(tmpPages)
# Make an IndirectObject just for the new Pages
self._pages = IndirectObject(newIdNumForPages, 0, self)
# If there are any pages to add back in
if mustAddTogether:
# Set the new page's root's parent to the old
# page's root's reference
tmpPages[NameObject("/Parent")] = oldPagesRef
# Add the reference to the new page's root in
# the old page's kids array
newPagesRef = self._pages
oldPages[NameObject("/Kids")].append(newPagesRef)
# Set all references to the root of the old/new
# page's root
self._pages = oldPagesRef
realRoot[NameObject("/Pages")] = oldPagesRef
# Update the count attribute of the page's root
oldPages[NameObject("/Count")] = \
NumberObject(oldPages[NameObject("/Count")] + tmpPages[NameObject("/Count")])
else:
# Bump up the info's reference b/c the old
# page's tree was bumped off
self._info = newInfoRef
