丝路通：分布式爬虫任务分配

任务切割

敦煌网

import time

task_header ='../../task/dh_task/dh_task_' #header
def assign_task():
    task_content = ""  # 创建类别网址列表
    fp = open('dh_sub_category.csv', "rt")  # 打开csv文件
    
    count= 0
    num =0
    #类别名  类目级别  父类目级别

    s =set()#储存已有的类别
    for line in fp:  # 文件对象可以直接迭代
        count +=1
        task_content +=line
        
        if count%100 ==0:
            num += 1
            fw = open(task_header+str(num)+".csv","w",encoding="utf-8")
            fw.write(task_content)
            fw.close()
            task_content =""
        
    
    fw = open(task_header+str(num)+".csv","a",encoding="utf-8")
    fw.write(task_content)
    fw.close()
    task_content =""    
    fp.close()
    

if __name__ == '__main__':
    assign_task()

阿里巴巴

import time

task_header ='../../task/ali_task/ali_task_' #header
def assign_task():
    task_content = ""  # 创建类别网址列表
    fp = open('alibaba_categary.csv', "rt")  # 打开csv文件
    
    count= 0
    num =0
    #类别名  类目级别  父类目级别

    
    for line in fp:  # 文件对象可以直接迭代
        count +=1
        task_content +=line
        
        if count%100 == 0:
            num += 1
            fw = open(task_header+str(num)+".csv","w",encoding="utf-8")
            fw.write(task_content)
            fw.close()
            task_content =""
        
    if num <= 50:
        fw = open(task_header+str(num)+".csv","a",encoding="utf-8")
    else:
        fw = open(task_header+str(num+1)+".csv","a",encoding="utf-8")
        
    fw.write(task_content)
    fw.close()    
    task_content =""    
    fp.close()
    

if __name__ == '__main__':
    assign_task()
    

中国制造网

import time

task_header ='../../task/mc_task/mc_task_' #header
def assign_task():
    task_content = ""  # 创建类别网址列表
    fp = open('made_in_china_sub_cat.csv', "rt")  # 打开csv文件
    
    count= 0
    num =0
 
    for line in fp:  # 文件对象可以直接迭代
        count +=1
        task_content +=line
        
        if count%200 ==0:
            num += 1
            fw = open(task_header+str(num)+".csv","w",encoding="utf-8")
            fw.write(task_content)
            fw.close()
            task_content =""
        
    if num <= 100:
        fw = open(task_header+str(num)+".csv","a",encoding="utf-8")
    else:
        fw = open(task_header+str(num+1)+".csv","a",encoding="utf-8")
    
    fw.write(task_content)
    fw.close()
    task_content =""    
    fp.close()
    

if __name__ == '__main__':
    assign_task()