Gist description…

GetUmbracoServices.cs

    	protected static ServiceContext CreateServiceContext(string basePath, string connectionString, string providerName)
		{
			var serviceContextManagerType = OptimisticType.GetType("Umbraco.Core.Standalone.ServiceContextManager, Umbraco.Core");
			if (serviceContextManagerType == null)
				throw new Exception("Couldn't get Umbraco.Core.Standalone.ServiceContextManager type");
			var serviceContextManager = Activator.CreateInstance(serviceContextManagerType,
				connectionString,
				providerName,
				basePath
				);

			var serviceContext = (ServiceContext) serviceContextManagerType.GetProperty("Services").GetValue(serviceContextManager);
			return serviceContext;
		}