added jd spider

This commit is contained in:
Marvin Zhang
2019-05-10 21:25:17 +08:00
parent 433b945eeb
commit 73e3bc2dec
13 changed files with 285 additions and 4 deletions

View File

@@ -56,10 +56,17 @@ class SiteApi(BaseApi):
sort_direction=ASCENDING
)
sites = []
for site in items:
# get spider count
site['spider_count'] = db_manager.count('spiders', {'site': site['_id']})
sites.append(site)
return {
'status': 'ok',
'total_count': db_manager.count(self.col_name, filter_),
'page_num': page_num,
'page_size': page_size,
'items': jsonify(items)
'items': jsonify(sites)
}

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@@ -128,6 +128,12 @@ class SpiderApi(BaseApi):
if last_task is not None:
spider['task_ts'] = last_task['create_ts']
# get site
if spider.get('site') is not None:
site = db_manager.get('sites', spider['site'])
if site is not None:
spider['site_name'] = site['name']
# file stats
stats = get_file_suffix_stats(dir_path)

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@@ -138,6 +138,7 @@ export default {
'Category': '类别',
'Select': '请选择',
'Select Category': '请选择类别',
'Spider Count': '爬虫数',
// 文件
'Choose Folder': '选择文件',

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@@ -41,6 +41,17 @@
</el-select>
</template>
</el-table-column>
<el-table-column v-else-if="col.name === 'domain'"
:key="col.name"
:label="$t(col.label)"
:width="col.width"
:align="col.align">
<template slot-scope="scope">
<a class="domain" :href="'http://' + scope.row[col.name]" target="_blank">
{{scope.row[col.name]}}
</a>
</template>
</el-table-column>
<el-table-column v-else
:key="col.name"
:property="col.name"
@@ -102,7 +113,8 @@ export default {
{ name: 'name', label: 'Name', align: 'left', width: '120' },
{ name: 'domain', label: 'Domain', align: 'left', width: '150' },
{ name: 'description', label: 'Description', align: 'left' },
{ name: 'category', label: 'Category', align: 'center', width: '180' }
{ name: 'category', label: 'Category', align: 'center', width: '180' },
{ name: 'spider_count', label: 'Spider Count', align: 'center', width: '60' }
]
}
},
@@ -186,4 +198,8 @@ export default {
.table >>> .el-select .el-select__caret {
line-height: 32px;
}
.table >>> .domain {
text-decoration: underline;
}
</style>

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@@ -160,8 +160,9 @@ export default {
// tableData,
columns: [
{ name: 'name', label: 'Name', width: 'auto' },
{ name: 'type', label: 'Spider Type', width: '160', sortable: true },
{ name: 'lang', label: 'Language', width: '160', sortable: true },
{ name: 'site_name', label: 'Site', width: '120' },
{ name: 'type', label: 'Spider Type', width: '120', sortable: true },
{ name: 'lang', label: 'Language', width: '120', sortable: true },
{ name: 'task_ts', label: 'Last Run', width: '160' },
{ name: 'last_7d_tasks', label: 'Last 7-Day Tasks', width: '80' },
{ name: 'last_5_errors', label: 'Last 5-Run Errors', width: '80' }

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14
spiders/jd/jd/items.py Normal file
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@@ -0,0 +1,14 @@
# -*- coding: utf-8 -*-
# Define here the models for your scraped items
#
# See documentation in:
# https://doc.scrapy.org/en/latest/topics/items.html
import scrapy
class JdItem(scrapy.Item):
# define the fields for your item here like:
name = scrapy.Field()
price = scrapy.Field()

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@@ -0,0 +1,103 @@
# -*- coding: utf-8 -*-
# Define here the models for your spider middleware
#
# See documentation in:
# https://doc.scrapy.org/en/latest/topics/spider-middleware.html
from scrapy import signals
class JdSpiderMiddleware(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 Response, 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 doesnt 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 JdDownloaderMiddleware(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)

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@@ -0,0 +1,17 @@
# -*- coding: utf-8 -*-
# Define your item pipelines here
#
# Don't forget to add your pipeline to the ITEM_PIPELINES setting
# See: https://doc.scrapy.org/en/latest/topics/item-pipeline.html
from pymongo import MongoClient
class JdPipeline(object):
mongo = MongoClient(host=MONGO_HOST, port=MONGO_PORT)
db = mongo[MONGO_DB]
col_name = os.environ.get('CRAWLAB_COLLECTION') or 'jd_products'
col = db[col_name]
def process_item(self, item, spider):
return item

90
spiders/jd/jd/settings.py Normal file
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@@ -0,0 +1,90 @@
# -*- coding: utf-8 -*-
# Scrapy settings for jd project
#
# For simplicity, this file contains only settings considered important or
# commonly used. You can find more settings consulting the documentation:
#
# https://doc.scrapy.org/en/latest/topics/settings.html
# https://doc.scrapy.org/en/latest/topics/downloader-middleware.html
# https://doc.scrapy.org/en/latest/topics/spider-middleware.html
BOT_NAME = 'jd'
SPIDER_MODULES = ['jd.spiders']
NEWSPIDER_MODULE = 'jd.spiders'
# Crawl responsibly by identifying yourself (and your website) on the user-agent
#USER_AGENT = 'jd (+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://doc.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://doc.scrapy.org/en/latest/topics/spider-middleware.html
#SPIDER_MIDDLEWARES = {
# 'jd.middlewares.JdSpiderMiddleware': 543,
#}
# Enable or disable downloader middlewares
# See https://doc.scrapy.org/en/latest/topics/downloader-middleware.html
#DOWNLOADER_MIDDLEWARES = {
# 'jd.middlewares.JdDownloaderMiddleware': 543,
#}
# Enable or disable extensions
# See https://doc.scrapy.org/en/latest/topics/extensions.html
#EXTENSIONS = {
# 'scrapy.extensions.telnet.TelnetConsole': None,
#}
# Configure item pipelines
# See https://doc.scrapy.org/en/latest/topics/item-pipeline.html
ITEM_PIPELINES = {
'jd.pipelines.JdPipeline': 300,
}
# Enable and configure the AutoThrottle extension (disabled by default)
# See https://doc.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://doc.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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@@ -0,0 +1,4 @@
# 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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@@ -0,0 +1,11 @@
# -*- coding: utf-8 -*-
import scrapy
class JdSpiderSpider(scrapy.Spider):
name = 'jd_spider'
allowed_domains = ['jd.com']
start_urls = ['http://jd.com/']
def parse(self, response):
pass

11
spiders/jd/scrapy.cfg Normal file
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@@ -0,0 +1,11 @@
# Automatically created by: scrapy startproject
#
# For more information about the [deploy] section see:
# https://scrapyd.readthedocs.io/en/latest/deploy.html
[settings]
default = jd.settings
[deploy]
#url = http://localhost:6800/
project = jd