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# Automatically created by: scrapy startproject | ||
# | ||
# For more information about the [deploy] section see: | ||
# https://scrapyd.readthedocs.io/en/latest/deploy.html | ||
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[settings] | ||
default = scrapy_qczj_038.settings | ||
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[deploy] | ||
#url = http://localhost:6800/ | ||
project = scrapy_qczj_038 |
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# Define here the models for your scraped items | ||
# | ||
# See documentation in: | ||
# https://docs.scrapy.org/en/latest/topics/items.html | ||
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import scrapy | ||
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class ScrapyQczj038Item(scrapy.Item): | ||
# define the fields for your item here like: | ||
# name = scrapy.Field() | ||
pass |
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# Define here the models for your spider middleware | ||
# | ||
# See documentation in: | ||
# https://docs.scrapy.org/en/latest/topics/spider-middleware.html | ||
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from scrapy import signals | ||
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# useful for handling different item types with a single interface | ||
from itemadapter import is_item, ItemAdapter | ||
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class ScrapyQczj038SpiderMiddleware: | ||
# 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. | ||
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@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 | ||
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def process_spider_input(self, response, spider): | ||
# Called for each response that goes through the spider | ||
# middleware and into the spider. | ||
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# Should return None or raise an exception. | ||
return None | ||
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def process_spider_output(self, response, result, spider): | ||
# Called with the results returned from the Spider, after | ||
# it has processed the response. | ||
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# Must return an iterable of Request, or item objects. | ||
for i in result: | ||
yield i | ||
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def process_spider_exception(self, response, exception, spider): | ||
# Called when a spider or process_spider_input() method | ||
# (from other spider middleware) raises an exception. | ||
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# Should return either None or an iterable of Request or item objects. | ||
pass | ||
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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. | ||
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# Must return only requests (not items). | ||
for r in start_requests: | ||
yield r | ||
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def spider_opened(self, spider): | ||
spider.logger.info('Spider opened: %s' % spider.name) | ||
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class ScrapyQczj038DownloaderMiddleware: | ||
# 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. | ||
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@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 | ||
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def process_request(self, request, spider): | ||
# Called for each request that goes through the downloader | ||
# middleware. | ||
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# 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 | ||
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def process_response(self, request, response, spider): | ||
# Called with the response returned from the downloader. | ||
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# Must either; | ||
# - return a Response object | ||
# - return a Request object | ||
# - or raise IgnoreRequest | ||
return response | ||
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def process_exception(self, request, exception, spider): | ||
# Called when a download handler or a process_request() | ||
# (from other downloader middleware) raises an exception. | ||
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# 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 | ||
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def spider_opened(self, spider): | ||
spider.logger.info('Spider opened: %s' % spider.name) |
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# 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 | ||
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# useful for handling different item types with a single interface | ||
from itemadapter import ItemAdapter | ||
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class ScrapyQczj038Pipeline: | ||
def process_item(self, item, spider): | ||
return item |
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# Scrapy settings for scrapy_qczj_038 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 | ||
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BOT_NAME = 'scrapy_qczj_038' | ||
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SPIDER_MODULES = ['scrapy_qczj_038.spiders'] | ||
NEWSPIDER_MODULE = 'scrapy_qczj_038.spiders' | ||
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# Crawl responsibly by identifying yourself (and your website) on the user-agent | ||
#USER_AGENT = 'scrapy_qczj_038 (+http://www.yourdomain.com)' | ||
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# Obey robots.txt rules | ||
# ROBOTSTXT_OBEY = True | ||
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# Configure maximum concurrent requests performed by Scrapy (default: 16) | ||
#CONCURRENT_REQUESTS = 32 | ||
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# 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 | ||
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# Disable cookies (enabled by default) | ||
#COOKIES_ENABLED = False | ||
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# Disable Telnet Console (enabled by default) | ||
#TELNETCONSOLE_ENABLED = False | ||
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# 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', | ||
# } | ||
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# Enable or disable spider middlewares | ||
# See https://docs.scrapy.org/en/latest/topics/spider-middleware.html | ||
# SPIDER_MIDDLEWARES = { | ||
# 'scrapy_qczj_038.middlewares.ScrapyQczj038SpiderMiddleware': 543, | ||
# } | ||
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# Enable or disable downloader middlewares | ||
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html | ||
# DOWNLOADER_MIDDLEWARES = { | ||
# 'scrapy_qczj_038.middlewares.ScrapyQczj038DownloaderMiddleware': 543, | ||
# } | ||
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# Enable or disable extensions | ||
# See https://docs.scrapy.org/en/latest/topics/extensions.html | ||
# EXTENSIONS = { | ||
# 'scrapy.extensions.telnet.TelnetConsole': None, | ||
# } | ||
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# Configure item pipelines | ||
# See https://docs.scrapy.org/en/latest/topics/item-pipeline.html | ||
# ITEM_PIPELINES = { | ||
# 'scrapy_qczj_038.pipelines.ScrapyQczj038Pipeline': 300, | ||
# } | ||
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# 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 | ||
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# 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' |
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# This package will contain the spiders of your Scrapy project | ||
# | ||
# Please refer to the documentation for information on how to create and manage | ||
# your spiders. |
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import scrapy | ||
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class CarSpider(scrapy.Spider): | ||
name = 'car' | ||
allowed_domains = ['https://car.autohome.com.cn/price/brand-15.html'] | ||
# 注意如果请求接口后缀为html时候,不需要加/,加/报错 | ||
start_urls = ['https://car.autohome.com.cn/price/brand-15.html'] | ||
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def parse(self, response): | ||
# print('我来汽车之家爬爬爬了') | ||
name_list = response.xpath('//div[@class="main-title"]/a/text()') | ||
# print(name_list) | ||
price_list = response.xpath( | ||
'//div[@class="main-lever"]//span/span/text()') | ||
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for i in range(len(name_list)): | ||
# extract()提取data数据 | ||
name = name_list[i].extract() | ||
price = price_list[i].extract() | ||
print(name, price) | ||
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# pass |