62 lines
1.9 KiB
Python
62 lines
1.9 KiB
Python
import os
|
|
|
|
from django.views.generic import View
|
|
from django.http import HttpResponse
|
|
from django.utils import simplejson
|
|
import poppler
|
|
|
|
|
|
class PDFFormFillerEditor(View):
|
|
def get(self, request, pdf=""):
|
|
|
|
doc = poppler.document_new_from_file('file:///home/mark/Bedraga.pdf', password=None)
|
|
json = simplejson.dumps(list(self.get_fields(doc, 0)), indent=4)
|
|
|
|
return HttpResponse("<pre>" + json)
|
|
|
|
|
|
def load_poppler_doc(self, filename):
|
|
from django.conf import settings
|
|
|
|
pdf_path = os.path.abspath(os.path.join(settings.STATIC_FORMS_ROOT, filename))
|
|
if os.path.isfile(pdf_path):
|
|
return poppler.document_new_from_file('file://' + pdf_path, password=None)
|
|
|
|
|
|
def generate_page_pngs(self, poppler_doc, pages=[]):
|
|
import cairo
|
|
import StringIO
|
|
|
|
page = poppler_doc.get_page(pages[0] if pages else 0)
|
|
width, height = page.get_size()
|
|
surface = cairo.ImageSurface(cairo.FORMAT_RGB24, int(width*2), int(height*2))
|
|
context = cairo.Context(surface)
|
|
|
|
for page_num in pages or xrange(poppler_doc.num_pages()):
|
|
page = poppler_doc.get_page(page_num)
|
|
page.render(context)
|
|
fd = StringIO.StringIO()
|
|
surface.write(fd)
|
|
fd.seek(0)
|
|
yield fd
|
|
|
|
|
|
def get_fields(self, poppler_doc, page):
|
|
fields = poppler_doc.get_page(page).get_form_field_mapping()
|
|
|
|
for field in fields:
|
|
field_area = field.area
|
|
field_data = field.field
|
|
|
|
yield {
|
|
'name': field_data.get_name(),
|
|
'value': field_data.text_get_text(),
|
|
'area': {
|
|
'posx': field_area.x1,
|
|
'posy': field_area.y1,
|
|
'sizew': field_area.x2 - field_area.x1,
|
|
'sizeh': field_area.y2 - field_area.y1,
|
|
}
|
|
}
|
|
|
|
|