Python: Using the SendMessage Function [Example from the Google Developers Page]

Question

I'm trying to understand and use the example on the Google Developers page for using the Gmail API. The function takes an argument "service", but I am unsure what it expects here.

def SendMessage(service, user_id, message):

Everything else seems self explanatory but I need help on what to provide for the service variable?

The comment given within the example defines "service" as "service: Authorized Gmail API service instance." Which unfortunately still doesn't help me.

I'm not new to Python, but I am new to using APIs.

You can check the main method of the Python Quickstart. A service is created there. — Tholle
– Tholle, Commented Mar 1, 2016 at 21:00

Duppie · Accepted Answer · 2016-08-15 18:14:20Z

4

The argument "service" does get created in the python quickstart example

service = discovery.build('gmail', 'v1', http=http)

That service value can be used in the example you listed in your original question.

answered Aug 15, 2016 at 18:14

Duppie

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mugabits · Accepted Answer · 2016-03-01 21:35:00Z

2

The docstring of the function gives us a better idea. Found here

 def SendMessage(service, user_id, message):
   """Send an email message.

  Args:
    service: Authorized Gmail API service instance.
    user_id: User's email address. The special value "me"
    can be used to indicate the authenticated user.
    message: Message to be sent.

  Returns:
    Sent Message.
  """

If you do not know how get an authorized Gmail API service instance, you can find a pythong quickstart here.

In short, you have to make a call to the API, and you will receive a client.json file, which contains your authentication that you can use in your project.

edited Mar 1, 2016 at 21:35

answered Mar 1, 2016 at 21:10

mugabits

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2 Comments

Jason Smith Over a year ago

Thanks for the information. I made the call, and I have the client.json file. Unfortunately, I am new to using the API calls so I'm not entirely sure what to do with the file. In the meantime, I have this working using smtplib. But to do this I had to enable less secure connections, which is why I'd like to explore and get the API call working.

mugabits Over a year ago

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