Allow npm-install and yarn-install to request python to build depende…

…ncies

README.md

@@ -27,6 +27,7 @@ Usage examples can be found in the
 - [Paketo Base Builder](https://github.com/paketo-buildpacks/base-builder) (for apps which do not leverage common C libraries)
 
 This buildpack also includes the following utility buildpacks:
+- [cPython CNB](https://github.com/paketo-buildpacks/cpython)
 - [Procfile CNB](https://github.com/paketo-buildpacks/procfile)
 - [Environment Variables CNB](https://github.com/paketo-buildpacks/environment-variables)
 - [Image Labels CNB](https://github.com/paketo-buildpacks/image-labels)

buildpack.toml

@@ -28,6 +28,11 @@ api = "0.7"
     id = "paketo-buildpacks/node-engine"
     version = "4.1.11"
 
+  [[order.group]]
+    id = "paketo-buildpacks/cpython"
+    optional = true
+    version = "1.13.7"
+
   [[order.group]]
     id = "paketo-buildpacks/yarn"
     version = "1.3.15"
@@ -82,6 +87,11 @@ api = "0.7"
     id = "paketo-buildpacks/node-engine"
     version = "4.1.11"
 
+  [[order.group]]
+    id = "paketo-buildpacks/cpython"
+    optional = true
+    version = "1.13.7"
+
   [[order.group]]
     id = "paketo-buildpacks/npm-install"
     version = "1.4.11"

package.toml

@@ -23,6 +23,9 @@
 [[dependencies]]
   uri = "urn:cnb:registry:paketo-buildpacks/[email protected]"
 
+[[dependencies]]
+  uri = "urn:cnb:registry:paketo-buildpacks/[email protected]"
+
 [[dependencies]]
   uri = "urn:cnb:registry:paketo-buildpacks/[email protected]"
 
@@ -39,4 +42,4 @@
   uri = "urn:cnb:registry:paketo-buildpacks/[email protected]"
 
 [[dependencies]]
-  uri = "urn:cnb:registry:paketo-buildpacks/[email protected]"
+  uri = "urn:cnb:registry:paketo-buildpacks/[email protected]"