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I am using simple-salesforce 0.74.2 for connecting to Salesforce by using below code,

from simple_salesforce import Salesforce,SalesforceLogin
sf = Salesforce(instance_url='https://xxxxx-xxx.my.salesforce.com', username='xxx@xxx.com.xxx', password='xxx@12345')

Getting below error:

You must provide login information or an instance and token' TypeError: You must provide login information or an instance and token

Note: We are using Single sign on so we do not have Token available in Salesforce due to that I can't use token, I want a way where I can login using Authorization may be header but not sure how to pass it.

any help is really appreciated

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simple_salesforce does not provide support for Oauth authentication. It handles authentication via the SOAP API.

Your options are:

  • Authenticate with simple_salesforce using username, password, and Organization Id. This works if you have IP whitelisting in use and obviates the need for a security token. (I am not familiar with any SSO implications here, however).

    sf = Salesforce(instance_url='https://xxxxx-xxx.my.salesforce.com', username='xxx@xxx.com.xxx', password='xxx@12345', organizationId='MY_ORG_ID')
    
  • Authenticate with username, password, and security token. It sounds like you would need to make changes to your organization's configuration to do that.

  • Authenticate out-of-band, using some other tool or manually authenticating and extracting your session Id, and provide simple_salesforce with a valid Session Id and Instance URL.

    sf = Salesforce(instance_url='https://my.instance.salesforce.com', session_id='XXXXXXX')
    

    There's a discussion of this approach (although without a lot more detail) on the simple_salesforce GitHub. I've implemented JWT Oauth authentication outside of simple_salesforce and provided the session Id this way, and it works fine.

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