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main.py
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#-*- coding: utf-8 -*-
import MySQLdb
from bs4 import BeautifulSoup
class Spider(object):
def cut(self,content):# 去掉字段中多余的空格和回车
content = content.strip(' ').strip('\n').strip(' ').strip('\t').strip('\r')
return content
def manager(self,url):
# 链接数据库
f = open('password.txt', 'r')
password = f.read()
f.close()
conn = MySQLdb.connect(
host='127.0.0.1',
user='root',
passwd='%s' % password,
port=3306,
db='NICCS',
charset='utf8'
)
cursor = conn.cursor()
ca_id = 0
sp_id = 0
job_id = 0
task_id = 0
ksa_id = 0
course_id = 0
method_id = 0
f_category = open('category.txt','r')
category_content = f_category.read()
f_category.close()
ca_soup = BeautifulSoup(category_content, "lxml")
categories = ca_soup.find_all('div', class_="category-item clearfix clearfix")
for category in categories:
ca_id = ca_id + 1
category_url_half = category.find_all('a')[1]['href'] # category页面里的前往specialty areas的url
category_url = url + category_url_half
category_name = str(category.find_all('a')[1].get_text())
category_des = str(category.find('div', class_ = "field-content").find('p').get_text()).replace("'","''")#将描述里面的单引号变成两个单引号，否则存入过程将会出错
print u'正将category(%s)条目的信息存入数据库...' % category_name
sql = "INSERT INTO tb_categories(id, name, url, des) VALUES('%d', '%s', '%s', '%s')" % (ca_id, category_name, category_url, category_des)
try:
cursor.execute(sql)
conn.commit()
print u'存储成功：category(%s)条目的信息存入数据库...' % category_name
except Exception as e:
print u'category(%s)条目的信息存储失败：%s,接下来回滚' % (category_name,e)
conn.rollback()
f_sp = open('sp_content(%s).txt'%category_name,'r')
sp_content = f_sp.read()
f_sp.close()
sp_soup = BeautifulSoup(sp_content, "lxml")
sps = sp_soup.find_all('div',
class_="specialty-item clearfix clearfix") # 从sp_content的页面里取出的是specialty area的条目
for sp in sps:
sp_id = sp_id + 1
sp_url_half = sp.find('a')['href'] # specialty areas页面的里的前往related jobs页面的url
sp_url = url + sp_url_half
sp_name = sp.find('a').get_text()
sp_des = sp.find('div', class_ = "field-content").find('p').get_text().replace("'","''")
# sp_des = sp_des.replace('\n','')
# sp_des = sp_des.replace(' ','')
sp_des = self.cut(sp_des)
print u'正将category.sp(%s.%s)条目的信息存入数据库...' % (category_name,sp_name)
sql = "INSERT INTO tb_sp(id, ca_id, name, url, des) VALUES('%d', '%d', '%s', '%s', '%s')"%(sp_id, ca_id, sp_name, sp_url, sp_des)
try:
cursor.execute(sql)
conn.commit()
print u'存储成功：category.sp(%s.%s)条目的信息存入数据库...' % (category_name,sp_name)
except Exception as e:
print u'存储失败category.sp(%s.%s)条目的信息：%s,接下来回滚' % (category_name,sp_name, e)
conn.rollback()
f_job = open('job_content(%s).txt' % sp_name, 'r')
job_content = f_job.read()
f_job.close()
job_soup = BeautifulSoup(job_content, "lxml")
#Related Jobs Titles
if job_soup.find_all('div', class_="item-list"):# 存在没有工作名称的情况
jobs = job_soup.find_all('div', class_="item-list")[1].find('ul').find_all('li')
for job in jobs:
job_id = job_id +1
job_name = job.get_text().replace("'","''")
print u'正将category.sp.job(%s.%s.%s)条目的信息存入数据库...' % (category_name, sp_name, job_name)
sql = "INSERT INTO tb_jobs(id, sp_id, job) VALUES('%d', '%d', '%s')"%(job_id, sp_id, job_name)
try:
cursor.execute(sql)
conn.commit()
print u'存储成功：category.sp.job(%s.%s.%s)条目的信息存入数据库...' % (category_name, sp_name, job_name)
except Exception as e:
print u'存储失败:category.sp.job(%s.%s.%s)条目的信息：%s,接下来回滚' % (category_name, sp_name,job_name, e)
conn.rollback()
#Tasks
tasks = job_soup.find_all('div', class_="item-list")[2].find('ul').find_all('li')
# tasks = soup.find('div', class_ = "view view-explore-the-framework view-id-explore_the_framework view-display-id-sa_detail_task view-dom-id-7312af63c50d6f22fac5c092198f5f0c").find('div', class_ = "view-content").find('div', class_ = "item-list").find('ul').find_all('li')
for task in tasks:
task_id = task_id + 1
task_name = task.get_text().replace("'","''")
task_name = self.cut(task_name)
# task_name = task_name.strip('\n')
# task_name = task_name.strip(' ')
# task_name = task_name.strip('\t')
print u'正将category.sp.task(%s.%s.%s)条目的信息存入数据库...' % (category_name, sp_name, task_name)
sql = "INSERT INTO tb_tasks(id, sp_id, task) VALUES('%d', '%d', '%s')" % (task_id, sp_id, task_name)
try:
cursor.execute(sql)
conn.commit()
print u'存储成功：category.sp.task(%s.%s.%s)条目的信息存入数据库...' % (category_name, sp_name, task_name)
except Exception as e:
print u'存储失败:category.sp.task(%s.%s.%s)条目的信息：%s,接下来回滚' % (category_name, sp_name, task_name, e)
conn.rollback()
#KSAs
ksas = job_soup.find_all('div', class_="item-list")[3].find('ul').find_all('li')
for ksa in ksas:
ksa_id = ksa_id + 1
ksa_content = ksa.get_text().replace("'","''")
ksa_content = self.cut(ksa_content)
# ksa_content = ksa_content.strip('\n')
# ksa_content = ksa_content.strip(' ')
# ksa_content = ksa_content.strip('\t')
print u'正将category.sp.ksa(%s.%s.%s)条目的信息存入数据库...' % (category_name, sp_name, ksa_content)
sql = "INSERT INTO tb_ksas(id, sp_id, ksa) VALUES('%d', '%d', '%s')" % (ksa_id, sp_id, ksa_content)
try:
cursor.execute(sql)
conn.commit()
print u'存储成功：category.sp.ksa(%s.%s.%s)条目的信息存入数据库...' % (category_name, sp_name, ksa_content)
except Exception as e:
print u'存储失败:category.sp.ksa(%s.%s.%s)条目的信息：%s,接下来回滚' % (category_name, sp_name, ksa_content, e)
conn.rollback()
############
f_course = open('course_content(%s).txt' % sp_name, 'r')
course_content = f_course.read()
f_course.close()
course_soup = BeautifulSoup(course_content, "lxml")
tbodies = course_soup.find_all('tbody')
for tbody in tbodies:
trs = tbody.find_all('tr')
for tr in trs:
course_id = course_id +1
course_name = tr.find('td', class_ = "views-field views-field-title").find('a').get_text()
name_url = url + tr.find('td', class_ = "views-field views-field-title").find('a')['href']
course_provider = tr.find('td', class_ = "views-field views-field-field-tc-provider-name").find('a').get_text()
provider_url = url + tr.find('td', class_ = "views-field views-field-field-tc-provider-name").find('a')['href']
location = tr.find('td', class_ = "views-field views-field-field-tc-locations").get_text()
# location = location.strip(' ')
# location = location.strip('\n')
# location = location.strip('\t')
location = self.cut(location)
print u'正将category.sp.course(%s.%s.%s)条目的信息存入数据库...' % (category_name, sp_name, course_name)
sql = "INSERT INTO tb_courses(id, sp_id, name, name_url, provider, provider_url, location) VALUES('%d', '%d', '%s', '%s', '%s', '%s', '%s')"%(course_id, sp_id, course_name, name_url, course_provider, provider_url, location)
try:
cursor.execute(sql)
conn.commit()
print u'存储成功：category.sp.course(%s.%s.%s)条目的信息存入数据库...' % (category_name, sp_name, course_name)
except Exception as e:
print u'存储失败:category.sp.course(%s.%s.%s)条目的信息：%s,接下来回滚' % (
category_name, sp_name, course_name, e)
conn.rollback()
methods = tr.find('td', class_ = "views-field views-field-field-tc-delivery-method").get_text()# 取出的是带逗号的str类型
methods = methods.replace(' ','')# 去掉字符串中的空格
# methods = methods.strip('\n')
# methods = methods.strip('\t')
methods = methods.split(',')#将str类型转化为list类型
new_methods = []# 去重
for method in methods:
if method not in new_methods:
new_methods.append(method)
for method in new_methods:#实现了分词
method_id = method_id + 1
method = self.cut(method)
print u'正将category.sp.course.method(%s.%s.%s.%s)条目的信息存入数据库...' % (category_name, sp_name, course_name, method)
sql = "INSERT INTO tb_course_dm(id, course_id, method) VALUES('%d', '%d', '%s')" % (method_id, course_id, method)
try:
cursor.execute(sql)
conn.commit()
print u'存储成功：category.sp.course.method(%s.%s.%s.%s)条目的信息存入数据库...' % (
category_name, sp_name, course_name, method)
except Exception as e:
print u'存储失败:category.sp.course.method(%s.%s.%s.%s)条目的信息：%s,接下来回滚' % (
category_name, sp_name, course_name, method, e)
conn.rollback()
cursor.close()
conn.close()
if __name__ == '__main__':
url = 'https://niccs.us-cert.gov'
ob_main = Spider()
ob_main.manager(url)