import re
from scrapy import Spider
from scrapy.selector import Selector

from stack.items import StackItem


class StackSpider(Spider):
name = "stack"
allowed_domains = ["pokepedia.fr"]
start_urls = [
    "http://www.pokepedia.fr/Pikachu",
]

def unicodize(seg):
    if re.match(r'\u[0-9a-f]{4}', seg):
        return seg.decode('unicode-escape')

    return seg.decode('utf-8')

def parse(self, response):
    pokemon = Selector(response).xpath('//*[@id="mw-content-text"]/table[2]')

    for question in pokemon:
        item = StackItem()
        item['title'] = question.xpath(
            '//*[@id="mw-content-text"]/table[2]/tbody/tr[1]/th[2]/text()').extract()[0]
        yield item

scrapy crawl stack -o items.json -t json

[