create-budget-and-assign-it-to-campaign-adwords-API.py

def create_and_assign_budget():
    adwords_client = connect_to_adwords_api()
    
    # This bit here creates the budget
    
    budget_service = adwords_client.GetService('BudgetService', version='v201809')
    budget = {
        'name': {an appropriate name},  # Doesn't need to be unique. Budget Id is what matters for uniqueness
        'amount': {
            'microAmount': int(round({budget_amount} * 1000000))
        },
        'isExplicitlyShared': 'false',
        'deliveryMethod': 'STANDARD'
    }
    budget_operations = [{
        'operator': 'ADD',
        'operand': budget
    }]
    budget_id = budget_service.mutate(budget_operations)['value'][0]['budgetId']
    # And this 2nd part of the function assigns it to your campaign
    campaign_service = adwords_client.GetService('CampaignService', version='v201809')
    campaign = {
        'id': {campaign_id},
        'budget': {
            'budgetId': budget_id
        },
    }
    campaign_service.mutate([{
        'operator': 'SET',
        'operand': campaign
    }])
    return None