[英]python 3.6 gmail api ― send email with attachement
This python 3 script is suppose to creates an email, attach a single file (using it's url) to it and send it.这个python 3脚本假设创建一个电子邮件,将一个文件(使用它的url)附加到它并发送它。 It sends the email, but something goes wrong with the
create_message_with_attachment()
它发送电子邮件,但
create_message_with_attachment()
TypeError: Attach is not valid on a message with a non-multipart payload
类型错误:附加对具有非多部分有效负载的消息无效
I did read google documentation.我确实阅读了谷歌文档。 The stack threads talking about it focus on fancy attachment styles while mixing up, on the top of it, the different syntax of python version.
讨论它的堆栈线程专注于花哨的附件样式,同时混合了 Python 版本的不同语法。
The code bellow is a patchwork of several sources.下面的代码是几个来源的拼凑而成。 I struggle to join them together in the
create_message_with_attachment()
.我很难在
create_message_with_attachment()
中将它们连接在一起。
For instance I don't know if I should include this (it's from create_message_without_attachment() which works on this code. Cf at the bottom)例如,我不知道我是否应该包括这个(它来自 create_message_without_attachment() ,它适用于这个代码。参见底部)
raw = base64.urlsafe_b64encode(msg.as_bytes())
raw = raw.decode()
body = {'raw': raw}
return body
The create message with attachment code:带有附件代码的创建消息:
import httplib2
import os
import oauth2client
from oauth2client import client, tools
import base64
from email import encoders
#needed for attachment
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
#needed for gmail service
from apiclient import errors, discovery
#The scope URL for read/write access to the gmail api
SCOPES = 'https://www.googleapis.com/auth/gmail.send'
CLIENT_SECRET_FILE = 'client_secret.json'
APPLICATION_NAME = 'Gmail API Python Send Email'
def get_credentials():
# If needed create folder for credential
home_dir = os.path.expanduser('~') #>> C:\Users\me
credential_dir = os.path.join(home_dir, '.credentials') # >>C:\Users\me\.credentials (it's a folder)
if not os.path.exists(credential_dir):
os.makedirs(credential_dir) #create folder if doesnt exist
credential_path = os.path.join(credential_dir, 'gmail-python-email-send.json')
#Store the credential
store = oauth2client.file.Storage(credential_path)
credentials = store.get()
if not credentials or credentials.invalid:
# Create a flow object. (it assists with OAuth 2.0 steps to get user authorization + credentials)
flow = client.flow_from_clientsecrets(CLIENT_SECRET_FILE, SCOPES)
flow.user_agent = APPLICATION_NAME
credentials = tools.run_flow(flow, store)
print('Storing credentials to ' + credential_path)
return credentials
def SendMessage(sender, to, subject, msgHtml, msgPlain):
credentials = get_credentials()
http = httplib2.Http() # Create an httplib2.Http object to handle our HTTP requests, and authorize it using credentials.authorize()
# http is the authorized httplib2.Http()
http = credentials.authorize(http)
service = discovery.build('gmail', 'v1', http=http)
message_with_attach = create_message_without_attachment(sender, to, subject, msgHtml, msgPlain)
SendMessageInternal(service, "me", message_with_attach)
def SendMessageInternal(service, user_id, message):
try:
message = (service.users().messages().send(userId=user_id, body=message).execute()) ####need to get user_id before
message_ID = message['id']
print(f'Message Id: {message_ID}')
return [message, message_ID] #return value as list
except errors.HttpError as error:
print(f'An error occurred: {error}')
def create_message_with_attachment(sender, to, subject, msgHtml, msgPlain):
# multipart container can contain other MIME parts. (attachment will be independent of the multipart/alternative)
msg = MIMEMultipart('alternative')
msg['To'] = to
msg['From'] = sender
msg['Subject'] = subject
# convert both part to a MIME compatible string
part1 = MIMEText(msgPlain, 'plain')
part2 = MIMEText(msgHtml, 'html')
# create .txt attachment
filePath=r"C:\Users\me\Desktop\test_Attachment.txt"
myFile=open(filePath, "rb")
attachment= MIMEApplication(myFile.read())
msg.set_payload(myFile) #
myFile.close()
msg.set_payload(myFile) #
myFile.close()
#This will add a header that looks like: "Content-Disposition: attachment; filename="test_Attachment.txt" "
attachment.add_header('content-disposition', 'attachment', filename = ('utf-8', '', 'test_Attachment.txt'))
# Attach parts into message container.
msg.attach(attachment)
msg.attach(part1)
msg.attach(part2)
# Encode the payload using Base64.
raw = encoders.encode_base64(msg)
return raw
def main():
to = "youremail@gmail.com"
sender = "myemail@gmail.com"
subject = "subject test1"
msgHtml = r'Hi<br/>Html <b>hello</b>'
msgPlain = "Hi\nPlain Email"
message_text= "this is message text"
SendMessage(sender, to, subject, msgHtml, msgPlain)
if __name__ == '__main__':
main()
This function succeed in this code to send email without attachment:此功能在此代码中成功发送无附件的电子邮件:
def create_message_without_attachment (sender, to, subject, msgHtml, msgPlain):
msg = MIMEMultipart('alternative')
msg['Subject'] = subject
msg['From'] = sender
msg['To'] = to
msg.attach(MIMEText(msgPlain, 'plain'))
msg.attach(MIMEText(msgHtml, 'html'))
raw = base64.urlsafe_b64encode(msg.as_bytes())
raw = raw.decode()
body = {'raw': raw}
return body
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