Automating Pydrive Verification Process

Automating pydrive verification process

First, you're misunderstanding one very important bit of how this works:

when I try to use the above script while I am logged into another
account. It doesn't upload the eng.txt into my gdrive that generated
the secret_client.json but the account that was logged in when I
authorize the authentication

This is exactly how it's supposed to work. You, as the developer, distribute client_secret.json with your application, and that file is used by PyDrive to authenticate the application with Google. Google wants to know how many API requests are being made by each application out there for all sorts of reasons (metrics, charge the account, revoke access, etc.), so it requires the application to authenticate itself.

Now, when your application runs LocalWebserverAuth, it's authenticating the client with Google. The client, of course, is the person actually using your application. In this case, the developer and client are the same person (you), but imagine your want to distribute your application to a million different people. They need to be able to authenticate themselves and upload files to their own Drive account, rather that having them all end up in yours (the developer), who provided client_secret.json.

That said, it's really just a very minor change to make it so your app doesn't have to ask the client to authenticate every time you run the app. You just need to use LoadCredentialsFile and SaveCredentialsFile.

from pydrive.auth import GoogleAuth
from pydrive.drive import GoogleDrive

gauth = GoogleAuth()
# Try to load saved client credentials
gauth.LoadCredentialsFile("mycreds.txt")
if gauth.credentials is None:
# Authenticate if they're not there
gauth.LocalWebserverAuth()
elif gauth.access_token_expired:
# Refresh them if expired
gauth.Refresh()
else:
# Initialize the saved creds
gauth.Authorize()
# Save the current credentials to a file
gauth.SaveCredentialsFile("mycreds.txt")

drive = GoogleDrive(gauth)

textfile = drive.CreateFile()
textfile.SetContentFile('eng.txt')
textfile.Upload()
print textfile

drive.CreateFile({'id':textfile['id']}).GetContentFile('eng-dl.txt')

Service Account and PyDrive

After some more research it seems like I needed to install pycrypto to fix the import error described above. I don't know why as it is not specified in the error message.

Fail to authenticate with pydrive to google drive

I made changes according to this Solution by Dano. The save and load of mycreds.txt helped to solve this issue.



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