# -*- coding: utf-8 -*-

 # Define here the models for your scraped items

 #

 # See documentation in:

 # https://docs.scrapy.org/en/latest/topics/items.html

 import scrapy

 class ScrapydemoItem(scrapy.Item):

     # define the fields for your item here like:

     # name = scrapy.Field()

     pass

 # -*- coding: utf-8 -*-

 # Define here the models for your spider middleware

 #

 # See documentation in:

 # https://docs.scrapy.org/en/latest/topics/spider-middleware.html

 from scrapy import signals

 class ScrapydemoSpiderMiddleware(object):

     # Not all methods need to be defined. If a method is not defined,

     # scrapy acts as if the spider middleware does not modify the

     # passed objects.

     @classmethod

     def from_crawler(cls, crawler):

         # This method is used by Scrapy to create your spiders.

         s = cls()

         crawler.signals.connect(s.spider_opened, signal=signals.spider_opened)

         return s

     def process_spider_input(self, response, spider):

         # Called for each response that goes through the spider

         # middleware and into the spider.

         # Should return None or raise an exception.

         return None

     def process_spider_output(self, response, result, spider):

         # Called with the results returned from the Spider, after

         # it has processed the response.

         # Must return an iterable of Request, dict or Item objects.

         for i in result:

             yield i

     def process_spider_exception(self, response, exception, spider):

         # Called when a spider or process_spider_input() method

         # (from other spider middleware) raises an exception.

         # Should return either None or an iterable of Request, dict

         # or Item objects.

         pass

     def process_start_requests(self, start_requests, spider):

         # Called with the start requests of the spider, and works

         # similarly to the process_spider_output() method, except

         # that it doesn’t have a response associated.

         # Must return only requests (not items).

         for r in start_requests:

             yield r

     def spider_opened(self, spider):

         spider.logger.info('Spider opened: %s' % spider.name)

 class ScrapydemoDownloaderMiddleware(object):

     # Not all methods need to be defined. If a method is not defined,

     # scrapy acts as if the downloader middleware does not modify the

     # passed objects.

     @classmethod

     def from_crawler(cls, crawler):

         # This method is used by Scrapy to create your spiders.

         s = cls()

         crawler.signals.connect(s.spider_opened, signal=signals.spider_opened)

         return s

     def process_request(self, request, spider):

         # Called for each request that goes through the downloader

         # middleware.

         # Must either:

         # - return None: continue processing this request

         # - or return a Response object

         # - or return a Request object

         # - or raise IgnoreRequest: process_exception() methods of

         #   installed downloader middleware will be called

         return None

     def process_response(self, request, response, spider):

         # Called with the response returned from the downloader.

         # Must either;

         # - return a Response object

         # - return a Request object

         # - or raise IgnoreRequest

         return response

     def process_exception(self, request, exception, spider):

         # Called when a download handler or a process_request()

         # (from other downloader middleware) raises an exception.

         # Must either:

         # - return None: continue processing this exception

         # - return a Response object: stops process_exception() chain

         # - return a Request object: stops process_exception() chain

         pass

     def spider_opened(self, spider):

         spider.logger.info('Spider opened: %s' % spider.name)

 # -*- coding: utf-8 -*-

 # Define your item pipelines here

 #

 # Don't forget to add your pipeline to the ITEM_PIPELINES setting

 # See: https://docs.scrapy.org/en/latest/topics/item-pipeline.html

 class ScrapydemoPipeline(object):

     def process_item(self, item, spider):

         return item

 # -*- coding: utf-8 -*-

 # Scrapy settings for scrapyDemo project

 #

 # For simplicity, this file contains only settings considered important or

 # commonly used. You can find more settings consulting the documentation:

 #

 #     https://docs.scrapy.org/en/latest/topics/settings.html

 #     https://docs.scrapy.org/en/latest/topics/downloader-middleware.html

 #     https://docs.scrapy.org/en/latest/topics/spider-middleware.html

 BOT_NAME = 'scrapyDemo'

 SPIDER_MODULES = ['scrapyDemo.spiders']

 NEWSPIDER_MODULE = 'scrapyDemo.spiders'

 # Crawl responsibly by identifying yourself (and your website) on the user-agent

 #USER_AGENT = 'scrapyDemo (+http://www.yourdomain.com)'

 # Obey robots.txt rules

 ROBOTSTXT_OBEY = True

 # Configure maximum concurrent requests performed by Scrapy (default: 16)

 #CONCURRENT_REQUESTS = 32

 # Configure a delay for requests for the same website (default: 0)

 # See https://docs.scrapy.org/en/latest/topics/settings.html#download-delay

 # See also autothrottle settings and docs

 #DOWNLOAD_DELAY = 3

 # The download delay setting will honor only one of:

 #CONCURRENT_REQUESTS_PER_DOMAIN = 16

 #CONCURRENT_REQUESTS_PER_IP = 16

 # Disable cookies (enabled by default)

 #COOKIES_ENABLED = False

 # Disable Telnet Console (enabled by default)

 #TELNETCONSOLE_ENABLED = False

 # Override the default request headers:

 #DEFAULT_REQUEST_HEADERS = {

 #   'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',

 #   'Accept-Language': 'en',

 #}

 # Enable or disable spider middlewares

 # See https://docs.scrapy.org/en/latest/topics/spider-middleware.html

 #SPIDER_MIDDLEWARES = {

 #    'scrapyDemo.middlewares.ScrapydemoSpiderMiddleware': 543,

 #}

 # Enable or disable downloader middlewares

 # See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html

 #DOWNLOADER_MIDDLEWARES = {

 #    'scrapyDemo.middlewares.ScrapydemoDownloaderMiddleware': 543,

 #}

 # Enable or disable extensions

 # See https://docs.scrapy.org/en/latest/topics/extensions.html

 #EXTENSIONS = {

 #    'scrapy.extensions.telnet.TelnetConsole': None,

 #}

 # Configure item pipelines

 # See https://docs.scrapy.org/en/latest/topics/item-pipeline.html

 #ITEM_PIPELINES = {

 #    'scrapyDemo.pipelines.ScrapydemoPipeline': 300,

 #}

 # Enable and configure the AutoThrottle extension (disabled by default)

 # See https://docs.scrapy.org/en/latest/topics/autothrottle.html

 #AUTOTHROTTLE_ENABLED = True

 # The initial download delay

 #AUTOTHROTTLE_START_DELAY = 5

 # The maximum download delay to be set in case of high latencies

 #AUTOTHROTTLE_MAX_DELAY = 60

 # The average number of requests Scrapy should be sending in parallel to

 # each remote server

 #AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0

 # Enable showing throttling stats for every response received:

 #AUTOTHROTTLE_DEBUG = False

 # Enable and configure HTTP caching (disabled by default)

 # See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings

 #HTTPCACHE_ENABLED = True

 #HTTPCACHE_EXPIRATION_SECS = 0

 #HTTPCACHE_DIR = 'httpcache'

 #HTTPCACHE_IGNORE_HTTP_CODES = []

 #HTTPCACHE_STORAGE = 'scrapy.extensions.httpcache.FilesystemCacheStorage'