#shelve模塊
建網(wǎng)站原本是網(wǎng)站策劃師、網(wǎng)絡(luò)程序員、網(wǎng)頁設(shè)計(jì)師等,應(yīng)用各種網(wǎng)絡(luò)程序開發(fā)技術(shù)和網(wǎng)頁設(shè)計(jì)技術(shù)配合操作的協(xié)同工作。創(chuàng)新互聯(lián)公司專業(yè)提供成都網(wǎng)站設(shè)計(jì)、成都做網(wǎng)站,網(wǎng)頁設(shè)計(jì),網(wǎng)站制作(企業(yè)站、成都響應(yīng)式網(wǎng)站建設(shè)公司、電商門戶網(wǎng)站)等服務(wù),從網(wǎng)站深度策劃、搜索引擎友好度優(yōu)化到用戶體驗(yàn)的提升,我們力求做到極致!
importshelve
d=shelve.open('shelve_test')
t = Tes(123)
t2 = Tes(123334)
name = ["alex","rain","test"]
d["test"] = name # 持久化列表
d["t1"] = t # 持久化類
d["t2"] = t2
d.close()
#寫
importshelve,datetime
d = shelve.open('shelve_test')
info = {'age':22,'job':'it'}
name = ['alex','rain','test']
d['name']=name
d['info']=info
d['date']=datetime.datetime.now()
d.close()
#讀
importshelve
d = shelve.open('shelve_test')
print(d.get('name'))
print(d.get('info'))
print(d.get('date'))
#xml模塊
xmltes.xml
importxml.etree.ElementTreeasET
tree = ET.parse("xmltes.xml")
root=tree.getroot()
#print(root) #文檔內(nèi)存地址
#print(root.tag) #根的名 標(biāo)簽名
#遍歷 xml文檔
for childinroot:
print(child.tag,child.attrib)
foriinchild:
print(i.tag,i.text,i.attrib#attrib屬性 text內(nèi)容
#只遍歷year節(jié)點(diǎn)
fornodeinroot.iter('year'):
print(node.tag,node.text)
#修改xml文檔
fornodeinroot.iter('year'):
new_year =int(node.text) +1
node.text=str(new_year)
node.set("updated","yes")#修改屬性
tree.write("xmltes.xml")#寫回原文件
#刪除node
forcountryinroot.findall('country'):
rank=int(country.find('rank').text)
ifrank >50:
root.remove(country)
tree.write('output.xml')
#創(chuàng)建xml
new_xml=ET.Element("personinfolist")
personinfo=ET.SubElement(new_xml,'personinfo',attrib={"enrolled":"yes"})
name=ET.SubElement(personinfo,"name")
name.text="alex"
age=ET.SubElement(personinfo,'age',attrib={"checked":"no"})
sex=ET.SubElement(personinfo,"sex")
age.text="88"
personinfo2=ET.SubElement(new_xml,'personinfo',attrib={"enrolled":"no"})
name=ET.SubElement(personinfo2,"name")
name.text="haha"
age=ET.SubElement(personinfo2,"age")
age.text='19'
et=ET.ElementTree(new_xml)#生成文檔對象
et.write("tes.xml",encoding="utf-8",xml_declaration=True)
ET.dump(new_xml)#打印生成的格式
Configparser模塊
#用于生成和修改常見配置文檔
importconfigparser
#生成配置文件
config=configparser.ConfigParser()
config["DEFAULT"]={'ServerAliveInterval':'45',
'Compression':'yes',
'CompressionLevel':'9'}
config['bitbucket.org'] = {}
config['bitbucket.org']['User'] ='hg'
config['topsecret.server.com'] = {}
topsecret = config['topsecret.server.com']
topsecret['Host Port'] ='50022' # mutates the parser
topsecret['ForwardX11'] ='no' # same here
config['DEFAULT']['ForwardX11'] ='yes'
withopen('example','w')asconfigfile:
config.write(configfile)
#讀配置文件
conf=configparser.ConfigParser()
conf.read("example")
print(conf.defaults())
print(conf['bitbucket.org']['user']) #section部分
#刪除section
conf.read("example")
sec = conf.remove_section('bitbucket.org')#section部分 刪除bitbucket.org部分
conf.write(open('example.cfg','w'))#寫入 可修改原文件
#判斷section部分
conf.read("example")
print(conf.has_section("topsecret.server.com"))#存在則為true
#添加section
conf.read("example")
sec2=conf.add_section("HOST")
conf.write(open('example.cfg','w'))
#修改section下的key value
conf.read("example.cfg")
conf.set('HOST','hostname_ip','192.168.0.1') #conf.set(section,'key','value')
conf.write(open('example.cfg','w'))
#hashlib模塊
importhashlib
#用于加密相關(guān)的操作
m = hashlib.md5()
m.update(b'hello')#update疊加 獲取hello的md5值
print(m.hexdigest())#十六進(jìn)制 輸出并打印hello的md5值
m.update(b"It's me")
print(m.hexdigest())
m.update(b"It's been a long time since last time we ...")
print(m.hexdigest())
print('----------------------------------------')
m2=hashlib.md5()
m2.update(b"helloIt's me") #拼起來
print(m2.hexdigest())
s2=hashlib.sha256()
s2.update(b"helloIt's me")
print(s2.hexdigest())
importhmac
#對我們創(chuàng)建 key 和 內(nèi)容 再進(jìn)行處理然后再加密 用于消息加密
h = hmac.new('天王蓋地虎'.encode(encoding="utf-8"),'寶塔鎮(zhèn)河妖'.encode(encoding='utf-8'))
print(h.digest())#十進(jìn)制
print(h.hexdigest())