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导入hbase

This commit is contained in:
guange 2019-01-14 22:34:53 +08:00
parent 1a2e31cd14
commit e38ba68191
4 changed files with 123 additions and 60 deletions
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144
chapter1/.idea/workspace.xml
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@ -1,7 +1,12 @@
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@ -18,17 +23,8 @@
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@ -36,8 +32,8 @@
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@ -69,23 +83,11 @@
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@ -93,10 +95,10 @@
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@ -115,7 +117,7 @@
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@ -157,8 +159,8 @@
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<option value="$PROJECT_DIR$/crawler/taobao/spiders/category.py" />
<option value="$PROJECT_DIR$/crawler/taobao/settings.py" />
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<option value="$PROJECT_DIR$/crawler/taobao/pipelines.py" />
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@ -187,6 +189,19 @@
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</path>
<path>
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<item name="chapter1" type="462c0819:PsiDirectoryNode" />
<item name="crawler" type="462c0819:PsiDirectoryNode" />
<item name="taobao" type="462c0819:PsiDirectoryNode" />
</path>
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@ -336,7 +351,6 @@
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@ -349,7 +363,7 @@
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@ -544,24 +558,48 @@
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29
chapter1/crawler/taobao/pipelines.py
View File

@ -8,6 +8,8 @@ import json
import pdb
import re
import happybase
from scrapy.conf import settings
from scrapy.pipelines.images import ImagesPipeline
@ -23,20 +25,25 @@ class ZhihuPipeline(object):
class JsonWithEncodingCnblogsPipeline(object):
def open_spider(self, spider):
self.file = open('../../datas/%s.json' % spider.keyword, 'w', encoding='utf-8')
def process_item(self, item, spider):
line = json.dumps(dict(item), ensure_ascii=False) + "\n"
self.file.write(line)
return item
def spider_closed(self, spider):
self.file.close()
class JsonWithEncodingCommentsPipeline(object):
def open_spider(self, spider):
self.file = open('../../datas/comments/%s.json' % spider.product_id, 'w', encoding='utf-8')
def process_item(self, item, spider):
line = json.dumps(dict(item), ensure_ascii=False) + "\n"
self.file.write(line)
return item
def spider_closed(self, spider):
self.file.close()
@ -45,9 +52,10 @@ class JDCleanDataPipeline(object):
"""
京东数据清先
"""
def process_item(self, item, spider):
if isinstance(item["name"], str):
item["name"] = item["name"].strip().replace('\n','').split()
item["name"] = item["name"].strip().replace('\n', '')
m = re.match(r'.+\/(\d+)\.html', item['url'])
if m:
@ -58,8 +66,25 @@ class JDCleanDataPipeline(object):
return item
class JDHbasePipeline(object):
"""
数据存到hbase中
"""
pass
def __init__(self):
host = settings['HBASE_HOST']
table_name = settings['HBASE_TABLE']
connection = happybase.Connection(host, port=settings["HBASE_PORT"])
table = connection.table(table_name)
self.table = table
def process_item(self, item, spider):
self.table.put(item["id"],
{"product:name": item["name"],
"product:price": item["price"],
"product:url": item["url"],
"product:img": item["img"],
"product:shop": item["shop"],
"product:comment_num": item["comment_num"]})
return item

6
chapter1/crawler/taobao/settings.py
View File

@ -112,3 +112,9 @@ IMAGES_STORE = '/tmp/taobao'
#HTTPCACHE_STORAGE = 'scrapy.extensions.httpcache.FilesystemCacheStorage'
FEED_EXPORT_ENCODING='utf-8'
HBASE_HOST = '106.75.85.84'
HBASE_PORT = 40009
HBASE_TABLE = 'jd'

4
chapter1/crawler/taobao/spiders/jd.py
View File

@ -1,4 +1,6 @@
#coding=utf-8
import time
import scrapy
from scrapy_splash import SplashRequest
import pdb
@ -65,6 +67,8 @@ class JdSpider(scrapy.Spider):
page = m.group(1)
print("开始抓取:{0}页".format(page))
time.sleep(10)
yield SplashRequest(
url= 'https://list.jd.com'+next_page
)