Improve error message if only Python>=3.12 installed

rstudio · Jan 31, 2024 · 9889142 · 9889142
1 parent 203271a
commit 9889142
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/R/install.R b/R/install.R
@@ -204,8 +204,15 @@ function(method = c("auto", "virtualenv", "conda"),
 
     available <- reticulate::virtualenv_starter(version = ">=3.9", all = TRUE)
     # pick the smallest minor version, ignoring patchlevel
-    if(nrow(available))
+    if(nrow(available)) {
       python_version <- min(available$version[, 1:2])
+      if(python_version >= "3.12" && isTRUE(grepl("default", version)))
+        stop(
+          "The current release version of TensorFlow requires a Python version between 3.8 and 3.11. ",
+          "Python versions >=3.12 are not supported. Please use ",
+          "`reticulate::install_python('3.10:latest')` or manually install an older version of Python from www.python.org/downloads"
+          )
+    }
   }
 
   if (isTRUE(new_env)) {