雑感: micropython and python gmail

https://randomnerdtutorials.com/raspberry-pi-pico-w-send-email-micropython/

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umail.py::

# Complete project details: https://RandomNerdTutorials.com/raspberry-pi-pico-w-send-email-micropython/

import usocket

DEFAULT_TIMEOUT = 10 # sec

LOCAL_DOMAIN = '127.0.0.1'

CMD_EHLO = 'EHLO'

CMD_STARTTLS = 'STARTTLS'

CMD_AUTH = 'AUTH'

CMD_MAIL = 'MAIL'

AUTH_PLAIN = 'PLAIN'

AUTH_LOGIN = 'LOGIN'

class SMTP:

def cmd(self, cmd_str):

sock = self._sock;

sock.write('%s\r\n' % cmd_str)

resp = []

next = True

while next:

code = sock.read(3)

next = sock.read(1) == b'-'

resp.append(sock.readline().strip().decode())

return int(code), resp

def __init__(self, host, port, ssl=False, username=None, password=None):

import ssl

self.username = username

addr = usocket.getaddrinfo(host, port)[0][-1]

sock = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM)

sock.settimeout(DEFAULT_TIMEOUT)

sock.connect(addr)

if ssl:

sock = ssl.wrap_socket(sock)

code = int(sock.read(3))

sock.readline()

assert code==220, 'cant connect to server %d, %s' % (code, resp)

self._sock = sock

code, resp = self.cmd(CMD_EHLO + ' ' + LOCAL_DOMAIN)

assert code==250, '%d' % code

if not ssl and CMD_STARTTLS in resp:

code, resp = self.cmd(CMD_STARTTLS)

assert code==220, 'start tls failed %d, %s' % (code, resp)

self._sock = ssl.wrap_socket(sock)

if username and password:

self.login(username, password)

def login(self, username, password):

self.username = username

code, resp = self.cmd(CMD_EHLO + ' ' + LOCAL_DOMAIN)

assert code==250, '%d, %s' % (code, resp)

auths = None

for feature in resp:

if feature[:4].upper() == CMD_AUTH:

auths = feature[4:].strip('=').upper().split()

assert auths!=None, "no auth method"

from ubinascii import b2a_base64 as b64

if AUTH_PLAIN in auths:

cren = b64("\0%s\0%s" % (username, password))[:-1].decode()

code, resp = self.cmd('%s %s %s' % (CMD_AUTH, AUTH_PLAIN, cren))

elif AUTH_LOGIN in auths:

code, resp = self.cmd("%s %s %s" % (CMD_AUTH, AUTH_LOGIN, b64(username)[:-1].decode()))

assert code==334, 'wrong username %d, %s' % (code, resp)

code, resp = self.cmd(b64(password)[:-1].decode())

else:

raise Exception("auth(%s) not supported " % ', '.join(auths))

assert code==235 or code==503, 'auth error %d, %s' % (code, resp)

return code, resp

def to(self, addrs, mail_from=None):

mail_from = self.username if mail_from==None else mail_from

code, resp = self.cmd(CMD_EHLO + ' ' + LOCAL_DOMAIN)

assert code==250, '%d' % code

code, resp = self.cmd('MAIL FROM: <%s>' % mail_from)

assert code==250, 'sender refused %d, %s' % (code, resp)

if isinstance(addrs, str):

addrs = [addrs]

count = 0

for addr in addrs:

code, resp = self.cmd('RCPT TO: <%s>' % addr)

if code!=250 and code!=251:

print('%s refused, %s' % (addr, resp))

count += 1

assert count!=len(addrs), 'recipient refused, %d, %s' % (code, resp)

code, resp = self.cmd('DATA')

assert code==354, 'data refused, %d, %s' % (code, resp)

return code, resp

def write(self, content):

self._sock.write(content)

def send(self, content=''):

if content:

self.write(content)

self._sock.write('\r\n.\r\n') # the five letter sequence marked for ending

line = self._sock.readline()

return (int(line[:3]), line[4:].strip().decode())

def quit(self):

self.cmd("QUIT")

self._sock.close()

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# Rui Santos & Sara Santos - Random Nerd Tutorials

# Complete project details at https://RandomNerdTutorials.com/raspberry-pi-pico-w-send-email-micropython/

# Micropython lib to send emails: https://github.com/shawwwn/uMail

import umail

import network

import time

ssid = 'Buffalo-2G-8340'

password = ''

# Email details

sender_email = 'fseigojp@gmail.com'

sender_name = 'Raspberry Pi Pico'

sender_app_password = ''

recipient_email ='fseigojp@gmail.com'

email_subject ='Hello from RPi Pico W'

# Init Wi-Fi Interface

def init_wifi(ssid, password):

# Connect to WLAN

wlan = network.WLAN(network.STA_IF)

wlan.active(True)

wlan.connect(ssid, password)

# Wait for Wi-Fi connection

connection_timeout = 10

while connection_timeout > 0:

if wlan.status() >= 3:

break

connection_timeout -= 1

print('Waiting for Wi-Fi connection...')

time.sleep(1)

# Check if connection is successful

if wlan.status() != 3:

raise RuntimeError('Failed to establish a network connection')

else:

print('Connection successful!')

network_info = wlan.ifconfig()

print('IP address:', network_info[0])

# Connect to your network

init_wifi(ssid, password)

# Send the email

smtp = umail.SMTP('smtp.gmail.com', 465, ssl=True) # Gmail's SSL port

try:

smtp.login(sender_email, sender_app_password)

smtp.to(recipient_email)

smtp.write("From:" + sender_name + "<"+ sender_email+">\n")

smtp.write("Subject:" + email_subject + "\n")

smtp.write("Hello from the Raspberry Pi Pico. Testing.")

smtp.send()

print("Email Sent Successfully")

except Exception as e:

print("Failed to send email:", e)

finally:

smtp.quit()

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https://note.com/noa813/n/nde0116fcb03f ::

import smtplib, ssl

from email.mime.text import MIMEText

#上で作成したpyファイルから、account情報を読み込みます

import my_gmail_account as gmail

# 送信先のアドレスを登録します

send_address = "fseigojp@gmail.com"

# メインの関数になります

def send_test_email():

msg = make_mime_text(

mail_to = send_address,

subject = "テスト送信",

body = "Pythonでのメール送信です"

)

send_gmail(msg)

# 件名、送信先アドレス、本文を渡す関数です

def make_mime_text(mail_to, subject, body):

msg = MIMEText(body, "html")

msg["Subject"] = subject

msg["To"] = mail_to

msg["From"] = gmail.account

return msg

# smtp経由でメール送信する関数です

def send_gmail(msg):

server = smtplib.SMTP_SSL(

"smtp.gmail.com", 465,

context = ssl.create_default_context())

server.set_debuglevel(0)

server.login(gmail.account, gmail.password)

server.send_message(msg)

#　うまくいったら”OK”と表示させます

if __name__ == "__main__":

send_test_email()

print("ok")

雑感

2025年5月5日月曜日

micropython and python gmail

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