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