invalidate cache on (serialized) client config change

R/botor.R

@@ -89,7 +89,13 @@ botor_client <- function(service, type = c('client', 'resource'), cache = TRUE,
         get(service, envir = clients, inherits = FALSE),
         error = function(e) NULL)
 
-    if (cache == TRUE && !is.null(client) && attr(client, 'uuid') == botor_session_uuid()) {
+    client_params <- list(...)
+    if (cache == TRUE && !is.null(client) &&
+            attr(client, 'uuid') == botor_session_uuid() &&
+            ## compare custom client/resource parameters
+            all.equal(client_params, attr(client, 'botor_client_params')) &&
+            ## compare serialized configs
+            all.equal(client_params$config$`__dict__`, attr(client, 'botor_client_params')$config$`__dict__`)) {
         return(client)
     }
 
@@ -98,6 +104,7 @@ botor_client <- function(service, type = c('client', 'resource'), cache = TRUE,
     } else {
         client <- botor()$resource(service, ...)
     }
+    attr(client, 'botor_client_params') <- client_params
 
     if (cache == FALSE) {
         return(client)

R/s3.R

@@ -5,13 +5,10 @@
 #' @importFrom logger log_trace log_debug log_info log_warn log_error
 #' @param disable_signing boolean if requests should be signed. Set to \code{FALSE} when interacting with public S3 buckets requiring unauthenticated access.
 s3 <- function(disable_signing = getOption('botor-s3-disable-signing')) {
-    client <- botor_client('s3', type = 'resource', cache = FALSE)
-    if (isTRUE(disable_signing)) {
-        client$meta$client$meta$events$register(
-            'choose-signer.s3.*',
-            require_python_module('botocore')$handlers$disable_signing)
-    }
-    client
+    botocore <- require_python_module('botocore')
+    botor_client('s3', type = 'resource', config = botocore$config$Config(
+        signature_version = if (isTRUE(disable_signing)) botocore$UNSIGNED else 's3v4'
+    ))
 }