涉及点
- python执行命令行
- python画统计图
- 将图片插入邮件正文
- 将图片插入邮件附件
- python发送邮件
代码简介
- execShell方法用来执行命令（有返回）<涉及点 1>
- create_image方法生成统计图.<涉及点 2>
- create_email方法生成邮件（有返回）<涉及点 3、4>
- send_email方法发送邮件<涉及点 5>
代码
- 只需修改这几个变量（my_annex_path、my_sender、my_password、my_receiver）就可以直接运行。
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from email.header import Header
import smtplib
from email.mime.image import MIMEImage
import matplotlib.pyplot as plt
import json
import os
# 输入发件人昵称、收件人昵称、主题，正文，附件地址,附件名称生成一封邮件
def create_email(email_from, email_to, email_Subject, email_text, annex_path, annex_name):
#生成一个空的带附件的邮件实例
message = MIMEMultipart('related')
#生成发件人名称（这个跟发送的邮件没有关系）
message['From'] = Header(email_from, 'utf-8')
#生成收件人名称（这个跟接收的邮件也没有关系）
message['To'] = Header(email_to, 'utf-8')
#生成邮件主题
message['Subject'] = Header(email_Subject, 'utf-8')
#读取附件的内容
att1 = MIMEText(open(annex_path, 'rb').read(), 'base64', 'utf-8')
att1["Content-Type"] = 'application/octet-stream'
#生成附件的名称(给中文不起效果，不过不影响使用)
att1["Content-Disposition"] = 'attachment; filename=' + annex_name
# 插入图片 参考 https://zhuanlan.zhihu.com/p/20800785
# 直接用python的MIMEText是无法直接支持图片格式的
# 但MIMEText支持html格式，通过python发送html格式数据并在html中嵌入图片，这样就在邮件正文中插入图片了。
fp = open(annex_path, 'rb')
img = MIMEImage(fp.read())
fp.close()
img.add_header('Content-ID', '<image1>')
message.attach(img)
html = """
<html>
<head> </head>
<body>
<p>图表展示：<br>
<br><img src="cid:image1"><br>
</p>
</body>
</html>
"""
htm = MIMEText(email_text + "\n" + html, 'html', 'utf-8')
message.attach(htm)
message.attach(att1)
return message
# 一个输入邮箱、密码、收件人、邮件内容发送邮件的函数
def send_email(sender, password, receiver, msg):
try:
server = smtplib.SMTP_SSL("smtp.qq.com", 465) # 发件人邮箱中的SMTP服务器
server.ehlo()
#登录你的账号
server.login(sender, password)# 括号中对应的是发件人邮箱账号、密码->qq邮箱是授权码
server.sendmail(sender, receiver, msg.as_string()) # 括号中对应的是发件人邮箱账号、收件人邮箱账号（是一个列表）、邮件内容
print("邮件发送成功")
server.quit()
except Exception:
print("邮件发送失败")
# 这是个人逻辑，根据自身的数据而定
def create_image(datas, my_annex_path):
collect = {}
# 下面是三个列表用来放置处理后的数据（用来生成统计图）
types = []
capacitys = []
changes = []
# 解析json字符串
jsonStr = json.loads(datas)
# 解析汇总json数据
for obj in jsonStr:
# {'category': 'a', 'path': '/zzyTest/test04', 'space': '0.0498', 'changeSpace': '+0.0498'}
category = obj["category"]
space = obj["space"]
changeSpace = obj["changeSpace"]
if category in collect.keys():
value = collect.get(category)
values = value.split(",")
v = str(float(space) + float(values[0])) + "," + str(float(changeSpace) + float(values[1]))
collect[category] = v
elif category not in collect.keys():
collect[category] = space + "," + changeSpace
# 把展示数据放入数组
for k in collect.keys():
changeNum = ""
values = collect.get(k).split(",")
types.append(k)
capacitys.append(round(float(values[0]), 2))
cn = round(float(values[1]), 2)
if cn > 0:
changeNum = "+" + str(cn) + "TB"
else:
changeNum = "-" + str((-1 * cn)) + "TB"
changes.append(changeNum)
# 绘制
plt.figure(figsize=(11, 7)) # 图的长宽大小
plt.bar(types, capacitys, width=0.5)
plt.title('图标注')
plt.xlabel('type')
plt.ylabel('space（TB）')
# 字体配置（显示中文）
plt.rcParams['font.sans-serif'] = ['SimHei']
plt.rcParams['axes.unicode_minus'] = False
# 额外在图上添加标签
for x, y, z in zip(types, capacitys, changes):
# 绿 #008000 红 #FF0000 可以参考这里 https://www.cnblogs.com/zoe-chang/p/11269780.html
if z[0] == "+":
plt.text(x, y + 0.06, " " + str(z), ha='center', va='bottom', fontsize=10.5, color='#FF0000')
else:
plt.text(x, y + 0.06, " " + str(z), ha='center', va='bottom', fontsize=10.5, color='#008000')
plt.text(x, y * 0.5, str(y), ha='center', va='bottom', fontsize=10.5)
# 保存图片 dpi：像素；bbox_inches：inches意思是英寸 ；注意相同命名的会替换
plt.savefig(my_annex_path, dpi=400, bbox_inches='tight')
# 执行一些命令（curl、hdfs、……）并返回响应数据
def execShell(cmd):
r = os.popen(cmd)
text = r.read()
r.close()
return text
if __name__ == '__main__':
my_email_from = '发件人'
my_email_to = '收件人'
my_email_Subject = '邮件标题'
my_email_text = "邮件正文"
my_annex_path = 'C:\Visio\est.png'# 指定行生成的图片路径
my_annex_name = 'accessory_name'
my_sender = 'xxxxxx@qq.com' # 发件人邮箱账号
my_password = 'htxobydgienqbbca' # qq邮箱授权码
my_receiver = ['yyyyy@qq.com'] # 收件人邮箱账号
cmd = "curl -X GET --header 'Accept: application/json' 'http://127.0.0.1:7790/restful/hdfsSpace' 2>/dev/null"
# 生产制图数据
# datas = execShell(cmd)
# 这里直接用样例数据，想用上面注释的那个方法的话就自行修改一下
datas = """[
{
"category": "a",
"path": "/zzyTest/test04",
"space": "0.0498",
"changeSpace": "+0.0498"
},
{
"category": "b",
"path": "/wsbTest/test04",
"space": "0.0217",
"changeSpace": "+0.0217"
},
{
"category": "b",
"path": "/wsbTest/test05",
"space": "0.0510",
"changeSpace": "+0.051"
},
{
"category": "a",
"path": "/wsbTest/test01",
"space": "0.1135",
"changeSpace": "+0.1135"
},
{
"category": "a",
"path": "/zzyTest/test01",
"space": "0.1876",
"changeSpace": "+0.1876"
},
{
"category": "a",
"path": "/zzyTest/test02",
"space": "0.0653",
"changeSpace": "+0.0653"
},
{
"category": "a",
"path": "/zzyTest/test03",
"space": "0.0716",
"changeSpace": "+0.0716"
},
{
"category": "b",
"path": "/wsbTest/test02",
"space": "0.1000",
"changeSpace": "+0.1"
},
{
"category": "b",
"path": "/wsbTest/test03",
"space": "0.0231",
"changeSpace": "+0.0231"
},
{
"category": "d",
"path": "/wsbTest/test03",
"space": "0.031",
"changeSpace": "+0.0231"
},
{
"category": "d",
"path": "/wsbTest/test03",
"space": "0.31",
"changeSpace": "-0.1"
},
{
"category": "d",
"path": "/wsbTest/test03",
"space": "0.331",
"changeSpace": "-0.41"
},
{
"category": "e",
"path": "/wsbTest/test03",
"space": "0.31",
"changeSpace": "-0.1"
},
{
"category": "e",
"path": "/wsbTest/test03",
"space": "0.341",
"changeSpace": "-0.331"
},
{
"category": "e",
"path": "/wsbTest/test03",
"space": "0.931",
"changeSpace": "-0.31"
},
{
"category": "f",
"path": "/wsbTest/test03",
"space": "0.631",
"changeSpace": "+0.31"
},
{
"category": "f",
"path": "/wsbTest/test03",
"space": "1.31",
"changeSpace": "+0.1"
},
{
"category": "f",
"path": "/wsbTest/test03",
"space": "0.631",
"changeSpace": "-0.31"
},
{
"category": "g",
"path": "/wsbTest/test03",
"space": "0.41",
"changeSpace": "-0.21"
},
{
"category": "g",
"path": "/wsbTest/test03",
"space": "0.31",
"changeSpace": "-0.21"
},
{
"category": "g",
"path": "/wsbTest/test03",
"space": "0.61",
"changeSpace": "-0.1"
},
{
"category": "h",
"path": "/wsbTest/test03",
"space": "0",
"changeSpace": "-0.0441"
},
{
"category": "h",
"path": "/wsbTest/test03",
"space": "3.5",
"changeSpace": "+0.011"
},
{
"category": "h",
"path": "/wsbTest/test03",
"space": "0",
"changeSpace": "-0.1"
}
]"""
# 生成统计图
create_image(datas, my_annex_path)
# 生成邮件
my_msg = create_email(my_email_from, my_email_to, my_email_Subject,
my_email_text, my_annex_path, my_annex_name)
# 发送邮件
send_email(my_sender, my_password, my_receiver, my_msg)
参考
https://blog.youkuaiyun.com/weixin_42107474/article/details/89055356
https://zhuanlan.zhihu.com/p/20800785
https://blog.youkuaiyun.com/BF02jgtRS00XKtCx/article/details/82393284
https://www.cnblogs.com/lovealways/p/6701662.html
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