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Revert "Requiring python during build time in case is not available on the build image" #1337

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Merged
merged 2 commits into from
Oct 17, 2025
Merged

Revert "Requiring python during build time in case is not available on the build image" #1337

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4a5deeb
Revert "Requiring python during build time in case is not available o…
pacostas Oct 16, 2025
09b266b
Update integration.json
pacostas Oct 16, 2025
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5 changes: 2 additions & 3 deletions constants.go
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Original file line number Diff line number Diff line change
@@ -1,9 +1,8 @@
package nodeengine

const (
Node = "node"
Npm = "npm"
Cpython = "cpython"
Node = "node"
Npm = "npm"

DepKey = "dependency-sha"
BuildKey = "build"
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17 changes: 0 additions & 17 deletions detect.go
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Expand Up @@ -2,7 +2,6 @@ package nodeengine

import (
"os"
"os/exec"
"path/filepath"

"github.com/paketo-buildpacks/packit/v2"
Expand All @@ -17,8 +16,6 @@ type VersionParser interface {
type BuildPlanMetadata struct {
Version string `toml:"version"`
VersionSource string `toml:"version-source"`
Build bool `toml:"build"`
Launch bool `toml:"launch"`
}

func Detect(nvmrcParser, nodeVersionParser VersionParser) packit.DetectFunc {
Expand Down Expand Up @@ -83,20 +80,6 @@ func Detect(nvmrcParser, nodeVersionParser VersionParser) packit.DetectFunc {
})
}

targetOs := os.Getenv("CNB_TARGET_DISTRO_NAME")
_, pythonNotFound := exec.LookPath("python")

installPython := (targetOs != "rhel" && pythonNotFound != nil)
if installPython {
requirements = append(requirements, packit.BuildPlanRequirement{
Name: Cpython,
Metadata: BuildPlanMetadata{
Build: true,
Launch: false,
},
})
}

return packit.DetectResult{
Plan: packit.BuildPlan{
Provides: []packit.BuildPlanProvision{
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3 changes: 1 addition & 2 deletions integration.json
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Expand Up @@ -3,6 +3,5 @@
"builders": [
"index.docker.io/paketobuildpacks/builder-jammy-buildpackless-base:latest",
"index.docker.io/paketobuildpacks/ubuntu-noble-builder-buildpackless:latest"
],
"cpython": "github.com/paketo-buildpacks/cpython"
]
}
14 changes: 0 additions & 14 deletions integration/init_test.go
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Expand Up @@ -29,10 +29,6 @@ var settings struct {
Processes struct {
Online string
}
Cpython struct {
Online string
Offline string
}
}

Buildpack struct {
Expand All @@ -42,7 +38,6 @@ var settings struct {

Config struct {
BuildPlan string `json:"build-plan"`
Cpython string `json:"cpython"`
}
}

Expand Down Expand Up @@ -78,15 +73,6 @@ func TestIntegration(t *testing.T) {
Execute(root)
Expect(err).NotTo(HaveOccurred())

settings.Buildpacks.Cpython.Online, err = buildpackStore.Get.
Execute(settings.Config.Cpython)
Expect(err).ToNot(HaveOccurred())

settings.Buildpacks.Cpython.Offline, err = buildpackStore.Get.
WithOfflineDependencies().
Execute(settings.Config.Cpython)
Expect(err).ToNot(HaveOccurred())

tmpBuildpackDir, err := os.MkdirTemp("", "node-engine-outdated-deps")
Expect(err).NotTo(HaveOccurred())

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1 change: 0 additions & 1 deletion integration/inspector_test.go
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Expand Up @@ -52,7 +52,6 @@ func testInspector(t *testing.T, context spec.G, it spec.S) {
image, logs, err = pack.WithNoColor().Build.
WithPullPolicy("never").
WithBuildpacks(
settings.Buildpacks.Cpython.Online,
settings.Buildpacks.NodeEngine.Online,
settings.Buildpacks.Processes.Online,
).
Expand Down
1 change: 0 additions & 1 deletion integration/offline_test.go
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Expand Up @@ -56,7 +56,6 @@ func testOffline(t *testing.T, context spec.G, it spec.S) {
image, logs, err = pack.WithNoColor().Build.
WithPullPolicy("never").
WithBuildpacks(
settings.Buildpacks.Cpython.Offline,
settings.Buildpacks.NodeEngine.Offline,
settings.Buildpacks.BuildPlan.Online,
).
Expand Down
2 changes: 0 additions & 2 deletions integration/openssl_test.go
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Expand Up @@ -67,7 +67,6 @@ func testOpenSSL(t *testing.T, context spec.G, it spec.S) {

image, logs, err = pack.WithNoColor().Build.
WithBuildpacks(
settings.Buildpacks.Cpython.Online,
settings.Buildpacks.NodeEngine.Online,
settings.Buildpacks.BuildPlan.Online,
).
Expand Down Expand Up @@ -107,7 +106,6 @@ func testOpenSSL(t *testing.T, context spec.G, it spec.S) {

image, logs, err = pack.WithNoColor().Build.
WithBuildpacks(
settings.Buildpacks.Cpython.Online,
settings.Buildpacks.NodeEngine.Online,
settings.Buildpacks.BuildPlan.Online,
).
Expand Down
1 change: 0 additions & 1 deletion integration/optimize_memory_test.go
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Expand Up @@ -53,7 +53,6 @@ func testOptimizeMemory(t *testing.T, context spec.G, it spec.S) {
image, logs, err = pack.WithNoColor().Build.
WithPullPolicy("never").
WithBuildpacks(
settings.Buildpacks.Cpython.Online,
settings.Buildpacks.NodeEngine.Online,
settings.Buildpacks.Processes.Online,
).
Expand Down
1 change: 0 additions & 1 deletion integration/project_path_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -60,7 +60,6 @@ func testProjectPath(t *testing.T, context spec.G, it spec.S) {
image, logs, err = pack.WithNoColor().Build.
WithPullPolicy("never").
WithBuildpacks(
settings.Buildpacks.Cpython.Online,
settings.Buildpacks.NodeEngine.Online,
settings.Buildpacks.BuildPlan.Online,
).
Expand Down
1 change: 0 additions & 1 deletion integration/provides_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -55,7 +55,6 @@ func testProvides(t *testing.T, context spec.G, it spec.S) {
image, logs, err = pack.WithNoColor().Build.
WithPullPolicy("never").
WithBuildpacks(
settings.Buildpacks.Cpython.Online,
settings.Buildpacks.NodeEngine.Online,
settings.Buildpacks.BuildPlan.Online,
).
Expand Down
34 changes: 14 additions & 20 deletions integration/reuse_layer_rebuild_test.go
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Expand Up @@ -72,7 +72,6 @@ func testReusingLayerRebuild(t *testing.T, context spec.G, it spec.S) {
firstImage, logs, err = pack.WithNoColor().Build.
WithPullPolicy("never").
WithBuildpacks(
settings.Buildpacks.Cpython.Online,
settings.Buildpacks.NodeEngine.Online,
settings.Buildpacks.BuildPlan.Online,
).
Expand All @@ -81,10 +80,9 @@ func testReusingLayerRebuild(t *testing.T, context spec.G, it spec.S) {

imageIDs[firstImage.ID] = struct{}{}


Expect(firstImage.Buildpacks).To(HaveLen(3))
Expect(firstImage.Buildpacks[1].Key).To(Equal(settings.Buildpack.ID))
Expect(firstImage.Buildpacks[1].Layers).To(HaveKey("node"))
Expect(firstImage.Buildpacks).To(HaveLen(2))
Expect(firstImage.Buildpacks[0].Key).To(Equal(settings.Buildpack.ID))
Expect(firstImage.Buildpacks[0].Layers).To(HaveKey("node"))

Expect(logs).To(ContainLines(
fmt.Sprintf("%s 1.2.3", settings.Buildpack.Name),
Expand Down Expand Up @@ -139,7 +137,6 @@ func testReusingLayerRebuild(t *testing.T, context spec.G, it spec.S) {
secondImage, logs, err = pack.WithNoColor().Build.
WithPullPolicy("never").
WithBuildpacks(
settings.Buildpacks.Cpython.Online,
settings.Buildpacks.NodeEngine.Online,
settings.Buildpacks.BuildPlan.Online,
).
Expand All @@ -148,9 +145,9 @@ func testReusingLayerRebuild(t *testing.T, context spec.G, it spec.S) {

imageIDs[secondImage.ID] = struct{}{}

Expect(secondImage.Buildpacks).To(HaveLen(3))
Expect(secondImage.Buildpacks[1].Key).To(Equal(settings.Buildpack.ID))
Expect(secondImage.Buildpacks[1].Layers).To(HaveKey("node"))
Expect(secondImage.Buildpacks).To(HaveLen(2))
Expect(secondImage.Buildpacks[0].Key).To(Equal(settings.Buildpack.ID))
Expect(secondImage.Buildpacks[0].Layers).To(HaveKey("node"))

Expect(logs).To(ContainLines(
fmt.Sprintf("%s 1.2.3", settings.Buildpack.Name),
Expand Down Expand Up @@ -184,8 +181,7 @@ func testReusingLayerRebuild(t *testing.T, context spec.G, it spec.S) {
Expect(err).NotTo(HaveOccurred())
Expect(content).To(ContainSubstring("hello world"))

Expect(secondImage.Buildpacks[0].Layers["cpython"].SHA).To(Equal(firstImage.Buildpacks[0].Layers["cpython"].SHA))
Expect(secondImage.Buildpacks[1].Layers["node"].SHA).To(Equal(firstImage.Buildpacks[1].Layers["node"].SHA))
Expect(secondImage.Buildpacks[0].Layers["node"].SHA).To(Equal(firstImage.Buildpacks[0].Layers["node"].SHA))
})
})

Expand All @@ -207,7 +203,6 @@ func testReusingLayerRebuild(t *testing.T, context spec.G, it spec.S) {
firstImage, logs, err = pack.WithNoColor().Build.
WithPullPolicy("never").
WithBuildpacks(
settings.Buildpacks.Cpython.Online,
settings.Buildpacks.NodeEngine.Online,
settings.Buildpacks.BuildPlan.Online,
).
Expand All @@ -217,9 +212,9 @@ func testReusingLayerRebuild(t *testing.T, context spec.G, it spec.S) {

imageIDs[firstImage.ID] = struct{}{}

Expect(firstImage.Buildpacks).To(HaveLen(3))
Expect(firstImage.Buildpacks[1].Key).To(Equal(settings.Buildpack.ID))
Expect(firstImage.Buildpacks[1].Layers).To(HaveKey("node"))
Expect(firstImage.Buildpacks).To(HaveLen(2))
Expect(firstImage.Buildpacks[0].Key).To(Equal(settings.Buildpack.ID))
Expect(firstImage.Buildpacks[0].Layers).To(HaveKey("node"))

Expect(logs).To(ContainLines(
fmt.Sprintf("%s 1.2.3", settings.Buildpack.Name),
Expand Down Expand Up @@ -275,7 +270,6 @@ func testReusingLayerRebuild(t *testing.T, context spec.G, it spec.S) {
secondImage, logs, err = pack.WithNoColor().Build.
WithPullPolicy("never").
WithBuildpacks(
settings.Buildpacks.Cpython.Online,
settings.Buildpacks.NodeEngine.Online,
settings.Buildpacks.BuildPlan.Online,
).
Expand All @@ -285,9 +279,9 @@ func testReusingLayerRebuild(t *testing.T, context spec.G, it spec.S) {

imageIDs[secondImage.ID] = struct{}{}

Expect(secondImage.Buildpacks).To(HaveLen(3))
Expect(secondImage.Buildpacks[1].Key).To(Equal(settings.Buildpack.ID))
Expect(secondImage.Buildpacks[1].Layers).To(HaveKey("node"))
Expect(secondImage.Buildpacks).To(HaveLen(2))
Expect(secondImage.Buildpacks[0].Key).To(Equal(settings.Buildpack.ID))
Expect(secondImage.Buildpacks[0].Layers).To(HaveKey("node"))

Expect(logs).To(ContainLines(
fmt.Sprintf("%s 1.2.3", settings.Buildpack.Name),
Expand Down Expand Up @@ -347,7 +341,7 @@ func testReusingLayerRebuild(t *testing.T, context spec.G, it spec.S) {
Expect(err).NotTo(HaveOccurred())
Expect(content).To(ContainSubstring("hello world"))

Expect(secondImage.Buildpacks[1].Layers["node"].SHA).NotTo(Equal(firstImage.Buildpacks[1].Layers["node"].SHA))
Expect(secondImage.Buildpacks[0].Layers["node"].SHA).NotTo(Equal(firstImage.Buildpacks[0].Layers["node"].SHA))
})
})
}
6 changes: 0 additions & 6 deletions integration/simple_app_test.go
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Expand Up @@ -71,7 +71,6 @@ func testSimple(t *testing.T, context spec.G, it spec.S) {
image, logs, err = pack.WithNoColor().Build.
WithPullPolicy("never").
WithBuildpacks(
settings.Buildpacks.Cpython.Online,
settings.Buildpacks.NodeEngine.Online,
settings.Buildpacks.BuildPlan.Online,
).
Expand Down Expand Up @@ -184,7 +183,6 @@ func testSimple(t *testing.T, context spec.G, it spec.S) {
WithPullPolicy("never").
WithEnv(map[string]string{"NODE_ENV": "development", "NODE_VERBOSE": "true"}).
WithBuildpacks(
settings.Buildpacks.Cpython.Online,
settings.Buildpacks.NodeEngine.Online,
settings.Buildpacks.BuildPlan.Online,
).
Expand Down Expand Up @@ -250,7 +248,6 @@ func testSimple(t *testing.T, context spec.G, it spec.S) {
image, logs, err = pack.WithNoColor().Build.
WithPullPolicy("never").
WithBuildpacks(
settings.Buildpacks.Cpython.Online,
settings.Buildpacks.NodeEngine.Online,
settings.Buildpacks.BuildPlan.Online,
).
Expand Down Expand Up @@ -337,7 +334,6 @@ func testSimple(t *testing.T, context spec.G, it spec.S) {
image, logs, err = pack.WithNoColor().Build.
WithPullPolicy("never").
WithBuildpacks(
settings.Buildpacks.Cpython.Online,
settings.Buildpacks.NodeEngine.Online,
settings.Buildpacks.BuildPlan.Online,
).
Expand Down Expand Up @@ -419,7 +415,6 @@ func testSimple(t *testing.T, context spec.G, it spec.S) {
image, logs, err = pack.WithNoColor().Build.
WithPullPolicy("never").
WithBuildpacks(
settings.Buildpacks.Cpython.Online,
settings.Buildpacks.NodeEngine.Deprecated,
settings.Buildpacks.BuildPlan.Online,
).
Expand Down Expand Up @@ -448,7 +443,6 @@ func testSimple(t *testing.T, context spec.G, it spec.S) {
image, logs, err = pack.WithNoColor().Build.
WithPullPolicy("never").
WithBuildpacks(
settings.Buildpacks.Cpython.Online,
settings.Buildpacks.NodeEngine.Online,
settings.Buildpacks.BuildPlan.Online,
).
Expand Down
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