问题描述
从GitHub上下载了几个scrapy的项目,放到自己的目录下执行,居然报错了。
我看到好像是少叫一个misc的模块,所以想用pip 装一下 ,但是却报错!
不知道这个是怎么回事,怎么安装这玩意。
上图是出错的位置。
额,头疼。。。
问题出现的环境背景及自己尝试过哪些方法
window7
Python3.7
scrapy 1.5.1
目录结构
相关代码
// 请把代码文本粘贴到下方(请勿用图片代替代码)
settings.py
# Scrapy settings for douyu project
#
# For simplicity, this file contains only the most important settings by
# default. All the other settings are documented here:
#
# http://doc.scrapy.org/en/latest/topics/settings.html
#
import sys
import os
from os.path import dirname
path = dirname(dirname(os.path.abspath(os.path.dirname(__file__))))
sys.path.append(path)
from misc.log import *
BOT_NAME = 'douyu'
SPIDER_MODULES = ['douyu.spiders']
NEWSPIDER_MODULE = 'douyu.spiders'
# Crawl responsibly by identifying yourself (and your website) on the user-agent
#USER_AGENT = 'douyu (+http://www.yourdomain.com)'
DOWNLOADER_MIDDLEWARES = {
# 'misc.middleware.CustomHttpProxyMiddleware': 400,
'misc.middleware.CustomUserAgentMiddleware': 401,
}
ITEM_PIPELINES = {
'douyu.pipelines.JsonWithEncodingPipeline': 300,
#'douyu.pipelines.RedisPipeline': 301,
}
LOG_LEVEL = 'INFO'
DOWNLOAD_DELAY = 1
spider.py
import re
import json
from urlparse import urlparse
import urllib
import pdb
from scrapy.selector import Selector
try:
from scrapy.spiders import Spider
except:
from scrapy.spiders import BaseSpider as Spider
from scrapy.utils.response import get_base_url
from scrapy.spiders import CrawlSpider, Rule
from scrapy.linkextractors import LinkExtractor as sle
from douyu.items import *
from misc.log import *
from misc.spider import CommonSpider
class douyuSpider(CommonSpider):
name = "douyu"
allowed_domains = ["douyu.com"]
start_urls = [
"http://www.douyu.com/directory/all"
]
rules = [
Rule(sle(allow=("http://www.douyu.com/directory/all")), callback='parse_1', follow=True),
]
list_css_rules = {
'#live-list-contentbox li': {
'url': 'a::attr(href)',
'room_name': 'a::attr(title)',
'tag': 'span.tag.ellipsis::text',
'people_count': '.dy-num.fr::text'
}
}
list_css_rules_for_item = {
'#live-list-contentbox li': {
'__use': '1',
'__list': '1',
'url': 'a::attr(href)',
'room_name': 'a::attr(title)',
'tag': 'span.tag.ellipsis::text',
'people_count': '.dy-num.fr::text'
}
}
def parse_1(self, response):
info('Parse '+response.url)
#x = self.parse_with_rules(response, self.list_css_rules, dict)
x = self.parse_with_rules(response, self.list_css_rules_for_item, douyuItem)
print(len(x))
# print(json.dumps(x, ensure_ascii=False, indent=2))
# pp.pprint(x)
# return self.parse_with_rules(response, self.list_css_rules, douyuItem)
return x
pipelines.py
# Define your item pipelines here
#
# Don't forget to add your pipeline to the ITEM_PIPELINES setting
# See: http://doc.scrapy.org/en/latest/topics/item-pipeline.html
import redis
from scrapy import signals
import json
import codecs
from collections import OrderedDict
class JsonWithEncodingPipeline(object):
def __init__(self):
self.file = codecs.open('data_utf8.json', 'w', encoding='utf-8')
def process_item(self, item, spider):
line = json.dumps(OrderedDict(item), ensure_ascii=False, sort_keys=False) + "\n"
self.file.write(line)
return item
def close_spider(self, spider):
self.file.close()
class RedisPipeline(object):
def __init__(self):
self.r = redis.StrictRedis(host='localhost', port=6379)
def process_item(self, item, spider):
if not item['id']:
print 'no id item!!'
str_recorded_item = self.r.get(item['id'])
final_item = None
if str_recorded_item is None:
final_item = item
else:
ritem = eval(self.r.get(item['id']))
final_item = dict(item.items() + ritem.items())
self.r.set(item['id'], final_item)
def close_spider(self, spider):
return
items.py
# Define here the models for your scraped items
#
# See documentation in:
# http://doc.scrapy.org/en/latest/topics/items.html
from scrapy.item import Item, Field
class douyuItem(Item):
# define the fields for your item here like:
url = Field()
room_name = Field()
people_count = Field()
tag = Field()
你期待的结果是什么?实际看到的错误信息又是什么?
希望可以给一个必有特否的回答。
https://stackoverflow.com/que...