Gmail api sending email: TypeError: a bytes-like object is required, not 'str'

Hi, I got an error when i try to use code example for sending email with gmail api. Error: TypeError: a bytes-like object is required, not ‘str’

Environment details

• OS type and version:
• Python version: 3.9
• pip version:20.3.3
• google-api-python-client version: 2.13.0

Steps to reproduce

1. Excute example code

Code example

from email.mime.text import MIMEText
import base64
creds = Credentials.from_authorized_user_file('token.json')
service = build('gmail', 'v1', credentials=creds)
msg = MIMEText("test")
msg['Subject'] = "test"
msg['From'] = "my_address"
msg['To'] = "my_address"
e = (service.users().messages().send(userId="me", body={'raw': base64.urlsafe_b64encode(msg.as_string())}).execute())

Stack trace

File "/usr/lib/python3.9/base64.py", line 118, in urlsafe_b64encode
return b64encode(s).translate(_urlsafe_encode_translation)
File "/usr/lib/python3.9/base64.py", line 58, in b64encode
encoded = binascii.b2a_base64(s, newline=False)
TypeError: a bytes-like object is required, not 'str'

Making sure to follow these steps will guarantee the quickest resolution possible.

Thanks!

[busunkim96]

Glad to hear you were able to get that working! And thank you for posting the solution here. 🙏

[tyki6]

Hi, I tried this and it’s worked.

{'raw': base64.urlsafe_b64encode(msg.as_bytes()).decode()}