def _create_compressed_file_object(source):
"""
Create a file like object as ``/EmbeddedFile`` compressing it with deflate.
:return:
the object representing the compressed file stream object
"""
md5 = hashlib.md5()
compress = zlib.compressobj()
pdf_file_object = PdfDict(Type=PdfName('EmbeddedFile'),
Filter=PdfName('FlateDecode'))
# pdfrw needs Latin-1-decoded unicode strings in object.stream
pdf_file_object.stream = ''
size = 0
for data in iter(lambda: source.read(4096), b''):
size += len(data)
md5.update(data)
pdf_file_object.stream += compress.compress(data).decode('latin-1')
pdf_file_object.stream += compress.flush(zlib.Z_FINISH).decode('latin-1')
pdf_file_object.Params = PdfDict(CheckSum=PdfString('<{}>'.format(
md5.hexdigest())),
Size=size)
return pdf_file_object
def write_fillable_pdf(input_pdf_path, output_pdf_path, data_dict,
camposCheckBox):
template_pdf = PdfReader(input_pdf_path)
#Necesario para que se vean cambios
template_pdf.Root.AcroForm.update(
PdfDict(NeedAppearances=PdfObject('true')))
#Por cada pagina del PDF
for page in template_pdf.pages:
annotations = page[ANNOT_KEY]
#Para cada anotacion de la pagina
for annotation in annotations:
if annotation[SUBTYPE_KEY] == WIDGET_SUBTYPE_KEY:
if annotation[ANNOT_FIELD_KEY]:
key = annotation[ANNOT_FIELD_KEY][1:-1]
if key in data_dict.keys():
#HACK PARA LOS CHECK. Si es true, se marcan, sino no
if key in camposCheckBox:
if (data_dict[key] == 'true'):
annotation.update(
PdfDict(V='{}'.format(data_dict[key]),
AS=PdfName('Yes')))
#Si no se pone nada, por defecto no se marcan
continue
#Objeto necesario para que al rellenar se vean los campos
rct = annotation.Rect
hight = round(float(rct[3]) - float(rct[1]), 2)
width = (round(float(rct[2]) - float(rct[0]), 2))
xobj = PdfDict(
BBox=[0, 0, width, hight],
FormType=1,
Resources=PdfDict(
ProcSet=[PdfName.PDF, PdfName.Text]),
Subtype=PdfName.Form,
Type=PdfName.XObject)
#assign a stream to it
xobj.stream = '''/Tx BMC
BT
/Helvetica 8.0 Tf
1.0 5.0 Td
0 g
(''' + data_dict[key] + ''') Tj
ET EMC'''
#Actualizamos la anotacion en el PDF
annotation.update(
PdfDict(AP=PdfDict(N=xobj),
V='{}'.format(data_dict[key])))
#Escribimos el PDF ya anotado al PATH de salida
PdfWriter().write(output_pdf_path, template_pdf)
def write_fillable_pdf(input_pdf_path, output_pdf_path, data_dict):
template_pdf = PdfReader(input_pdf_path)
# Para que se vean los campos rellenados
template_pdf.Root.AcroForm.update(
PdfDict(NeedAppearances=PdfObject('true')))
for page in template_pdf.pages:
annotations = page[ANNOT_KEY]
for annotation in annotations:
if annotation[SUBTYPE_KEY] == WIDGET_SUBTYPE_KEY:
if annotation[ANNOT_FIELD_KEY]:
key = annotation[ANNOT_FIELD_KEY][1:-1]
if key in data_dict.keys():
#HACK PARA LOS CHECK - Guardar documento a mano con los checks que sean. Y aquí si es un check, evitarlo y no cambiar
if key == "untitled6" or key == "untitled21" or key == "untitled22" or key == "untitled23" or key == "untitled24" or key == "untitled25":
continue
#this depends on page orientation
rct = annotation.Rect
hight = round(float(rct[3]) - float(rct[1]), 2)
width = (round(float(rct[2]) - float(rct[0]), 2))
xobj = PdfDict(
BBox=[0, 0, width, hight],
FormType=1,
Resources=PdfDict(
ProcSet=[PdfName.PDF, PdfName.Text]),
Subtype=PdfName.Form,
Type=PdfName.XObject)
#assign a stream to it
xobj.stream = '''/Tx BMC
BT
/Helvetica 8.0 Tf
1.0 5.0 Td
0 g
(''' + data_dict[key] + ''') Tj
ET EMC'''
annotation.update(
PdfDict(AP=PdfDict(N=xobj),
V='{}'.format(data_dict[key])))
#annotation.update(pdfrw.PdfDict(V='{}'.format(data_dict[key]),AP='{}'.format(data_dict[key])))
PdfWriter().write(output_pdf_path, template_pdf)
