Instructions for creating a doc and inserting some text

create_and_insert.py

from __future__ import print_function
import pickle
import os.path
from googleapiclient.discovery import build
from google_auth_oauthlib.flow import InstalledAppFlow
from google.auth.transport.requests import Request

# If modifying these scopes, delete the file token.pickle.
SCOPES = ['https://www.googleapis.com/auth/drive.file']

def main():
    """Shows basic usage of the Docs API.
    Prints the title of a sample document.
    """
    creds = None
    # The file token.pickle stores the user's access and refresh tokens, and is
    # created automatically when the authorization flow completes for the first
    # time.
    if os.path.exists('token.pickle'):
        with open('token.pickle', 'rb') as token:
            creds = pickle.load(token)
    # If there are no (valid) credentials available, let the user log in.
    if not creds or not creds.valid:
        if creds and creds.expired and creds.refresh_token:
            creds.refresh(Request())
        else:
            flow = InstalledAppFlow.from_client_secrets_file(
                './credentials.json', SCOPES)
            creds = flow.run_local_server()
        # Save the credentials for the next run
        with open('token.pickle', 'wb') as token:
            pickle.dump(creds, token)

    service = build('docs', 'v1', credentials=creds)

    title = 'My Document'
    body = {
        'title': title
    }
    doc = service.documents().create(body=body).execute()
    title = doc.get('title')
    _id = doc.get('documentId')
    print(f'Created document with title: {title}, id: {_id}')

    # Text insertion
    text = "Some sample text. VERY HUGE CHARACTERS. CamelCaseSentence."
    requests = [
         {
            'insertText': {
                'location': {
                    'index': 1,
                },
                'text': text
            }
        }
    ]
    result = service.documents().batchUpdate(documentId=_id, body={'requests': requests}).execute()



if __name__ == '__main__':
    main()

create_insert_change_permissions.py

from __future__ import print_function
import pickle
import os.path
from googleapiclient.discovery import build
from google_auth_oauthlib.flow import InstalledAppFlow
from google.auth.transport.requests import Request

# If modifying these scopes, delete the file token.pickle.
SCOPES = ['https://www.googleapis.com/auth/drive.file']

def main():
    """Shows basic usage of the Docs API.
    Prints the title of a sample document.
    """
    creds = None
    # The file token.pickle stores the user's access and refresh tokens, and is
    # created automatically when the authorization flow completes for the first
    # time.
    if os.path.exists('token.pickle'):
        with open('token.pickle', 'rb') as token:
            creds = pickle.load(token)
    # If there are no (valid) credentials available, let the user log in.
    if not creds or not creds.valid:
        if creds and creds.expired and creds.refresh_token:
            creds.refresh(Request())
        else:
            flow = InstalledAppFlow.from_client_secrets_file(
                './credentials.json', SCOPES)
            creds = flow.run_local_server()
        # Save the credentials for the next run
        with open('token.pickle', 'wb') as token:
            pickle.dump(creds, token)

    docs_service = build('docs', 'v1', credentials=creds)
    drive_service = build('drive', 'v3', credentials=creds)

    doc_meta = create_document(title='SampleDocument', service=docs_service)
    grant_permissions_to_file(file_id=doc_meta['documentId'], service=drive_service, role='writer')


def create_document(title, service):
    body = {
        'title': title
    }

    doc = service.documents().create(body=body).execute()
    title = doc.get('title')
    _id = doc.get('documentId')
    print(f'Created document with title: {title}, id: {_id}')

    # Text insertion
    text = "Some sample text. VERY HUGE CHARACTERS. CamelCaseSentence."
    requests = [
         {
            'insertText': {
                'location': {
                    'index': 1,
                },
                'text': text
            }
        }
    ]
    result = service.documents().batchUpdate(documentId=_id, body={'requests': requests}).execute()
    return {'documentId' : _id, 'title' : title}


def grant_permissions_to_file(file_id, service, role):
    def callback(request_id, response, exception):
        if exception:
            # Handle error
            print(exception)
        else:
            print("Permission Id: %s" % response.get('id'))

    batch = service.new_batch_http_request(callback=callback)
    user_permission = {
        'type': 'anyone',
        'role': role,
    }
    batch.add(service.permissions().create(
            fileId=file_id,
            body=user_permission,
            fields='id',
    ))
    domain_permission = {
       'type': 'domain',
       'role': 'reader',
       'domain': 'example.com'
    }
    batch.add(drive_service.permissions().create(
           fileId=file_id,
           body=domain_permission,
           fields='id',
    ))
    batch.execute()
    print(f"Granted \"{role}\" permission to file {file_id}'n")



if __name__ == '__main__':
    main()

Google Docs API

1. Go to https://developers.google.com/docs/api/quickstart/python and download credentials.json by clicking on "DOWNLOAD CLIENT CONFIGURATION"
2. Put credentials.json in your working directory
3. Do `pip install --upgrade google-api-python-client google-auth-httplib2 google-auth-oauthlib`
4. See the code above.

Useful link on editing, inserting and deleting text: https://developers.google.com/docs/api/how-tos/move-text

Lifesaver. Incredible effort. I'm so blessed to find this. Thank you so much