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About

The Justice Department in Peru (Poder Judicial, PJ) has released thousands of veredicts from the Supreme Court. All are in PDF format (images, not text). The only way to download is by using their website and download one by one, which is far from efficient. They don't offer downloads of documents in batches of more than 5.

This project aims to be an efficient way to download the documents from the PJ website by scrapping their website using scrapy.

This software executes the steps 1 to 5:

  1. Go here http://jurisprudencia.pj.gob.pe/jurisprudenciaweb/faces/page/resolucion-busqueda-general.xhtml
  2. POST to No Expediente: '000001-2013'
  3. GET results. Get idt and uuid values for each result (from button "Ver Resolución").
  4. For each result, replace the idt and uuid in their javascript function to get the PDF:
  5. mojarra.jsfcljs(document.getElementById('formBusqueda'),{'formBusqueda:repeat:0:j_idt158':'formBusqueda:repeat:0:j_idt158','uuid':'47cd6b37-8c7b-4cd0-b46a-adb4755bb161'},'');
  6. OCR PDF
  7. add to database

Install Scrapy

Assuming that you have Python 2.7+ isntalled in your computer:

pip install scrapy

Usage of Scrapy

  • Cookie handler.
  • Proxy middleware.
  • User agent middleware.

Clone this repository

git clone https://github.com/aniversarioperu/scrapy_pj.git

Run the software

Replace the "expediente" number for the one(s) that your wish to download:

scrapy crawl search_pj -a expediente=00001-2013 -t json -o output.json

Expected output is a bunch of PDF files downloaded to current folder:

Resolucion_000001-2013-1390676516593.pdf
Resolucion_000001-2013-1390773912770.pdf
Resolucion_000001-2013-20140225102936000838852.pdf
Resolucion_000001-2013-20140227102906000571555.pdf
Resolucion_000001-2013-20140228170931000865573.pdf
Resolucion_000001-2013-20140304171117000584898.pdf
Resolucion_000001-2013-20140310115239000895619.pdf
Resolucion_000001-2013-20140311151759000566176.pdf

Set up Tor

[Optional] If using Ubuntu, add this line to /etc/apt/sources.list:

deb http://deb.torproject.org/torproject.org saucy main

Then do:

gpg --keyserver keys.gnupg.net --recv 886DDD89
gpg --export A3C4F0F979CAA22CDBA8F512EE8CBC9E886DDD89 | sudo apt-key add -
apt-get update
apt-get install deb.torproject.org-keyring
apt-get install tor

More info here https://www.torproject.org/docs/tor-doc-unix.html.en#using

Install polipo, more info here.