Merge changes from topic "java-proto-include-dir" into main

* changes:
  Handle proto.include_dirs for java
  Translate python_libray.pkg_path to proto.import_prefix

android/proto.go

@@ -281,6 +281,13 @@ func Bp2buildProtoProperties(ctx Bp2buildMutatorContext, m *ModuleBase, srcs baz
 				}
 			}
 
+			if p, ok := m.module.(PkgPathInterface); ok && p.PkgPath(ctx) != nil {
+				// python_library with pkg_path
+				// proto_library for this module should have the pkg_path as the import_prefix
+				attrs.Import_prefix = p.PkgPath(ctx)
+				attrs.Strip_import_prefix = proptools.StringPtr("")
+			}
+
 			tags := ApexAvailableTagsWithoutTestApexes(ctx.(TopDownMutatorContext), ctx.Module())
 
 			moduleDir := ctx.ModuleDir()
@@ -333,6 +340,11 @@ func Bp2buildProtoProperties(ctx Bp2buildMutatorContext, m *ModuleBase, srcs baz
 	return info, true
 }
 
+// PkgPathInterface is used as a type assertion in bp2build to get pkg_path property of python_library_host
+type PkgPathInterface interface {
+	PkgPath(ctx BazelConversionContext) *string
+}
+
 var (
 	protoIncludeDirGeneratedSuffix = ".include_dir_bp2build_generated_proto"
 	protoIncludeDirsBp2buildKey    = NewOnceKey("protoIncludeDirsBp2build")

bp2build/python_library_conversion_test.go

@@ -348,3 +348,43 @@ func TestPythonLibraryWithProtobufs(t *testing.T) {
 		},
 	})
 }
+
+func TestPythonLibraryWithProtobufsAndPkgPath(t *testing.T) {
+	t.Parallel()
+	runBp2BuildTestCaseWithPythonLibraries(t, Bp2buildTestCase{
+		Description: "test python_library protobuf with pkg_path",
+		Filesystem: map[string]string{
+			"dir/foo.proto": "",
+			"dir/bar.proto": "", // bar contains "import dir/foo.proto"
+			"dir/Android.bp": `
+python_library {
+  name: "foo",
+  pkg_path: "dir",
+  srcs: [
+    "foo.proto",
+    "bar.proto",
+  ],
+  bazel_module: {bp2build_available: true},
+}`,
+		},
+		Dir: "dir",
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("proto_library", "foo_proto", AttrNameToString{
+				"import_prefix":       `"dir"`,
+				"strip_import_prefix": `""`,
+				"srcs": `[
+        "foo.proto",
+        "bar.proto",
+    ]`,
+			}),
+			MakeBazelTarget("py_proto_library", "foo_py_proto", AttrNameToString{
+				"deps": `[":foo_proto"]`,
+			}),
+			MakeBazelTarget("py_library", "foo", AttrNameToString{
+				"srcs_version": `"PY3"`,
+				"imports":      `[".."]`,
+				"deps":         `[":foo_py_proto"]`,
+			}),
+		},
+	})
+}

java/proto.go

@@ -143,7 +143,14 @@ func protoFlags(ctx android.ModuleContext, j *CommonProperties, p *android.Proto
 }
 
 type protoAttributes struct {
-	Deps         bazel.LabelListAttribute
+	Deps bazel.LabelListAttribute
+
+	// A list of proto_library targets that the proto_library in `deps` depends on
+	// This list is overestimation.
+	// Overestimation is necessary since Soong includes other protos via proto.include_dirs and not
+	// a specific .proto file module explicitly.
+	Transitive_deps bazel.LabelListAttribute
+
 	Sdk_version  bazel.StringAttribute
 	Java_version bazel.StringAttribute
 }
@@ -176,11 +183,11 @@ func bp2buildProto(ctx android.Bp2buildMutatorContext, m *Module, protoSrcs baze
 		ctx.PropertyErrorf("proto.type", "cannot handle conversion at this time: %q", typ)
 	}
 
-	protoLabel := bazel.Label{Label: ":" + m.Name() + "_proto"}
 	protoAttrs := &protoAttributes{
-		Deps:         bazel.MakeSingleLabelListAttribute(protoLabel),
+		Deps:            bazel.MakeLabelListAttribute(protoInfo.Proto_libs),
-		Java_version: bazel.StringAttribute{Value: m.properties.Java_version},
+		Transitive_deps: bazel.MakeLabelListAttribute(protoInfo.Transitive_proto_libs),
-		Sdk_version:  bazel.StringAttribute{Value: m.deviceProperties.Sdk_version},
+		Java_version:    bazel.StringAttribute{Value: m.properties.Java_version},
+		Sdk_version:     bazel.StringAttribute{Value: m.deviceProperties.Sdk_version},
 	}
 
 	name := m.Name() + suffix

python/python.go

@@ -197,6 +197,14 @@ func (p *PythonLibraryModule) getPkgPath() string {
 	return String(p.properties.Pkg_path)
 }
 
+// PkgPath is the "public" version of `getPkgPath` that is only available during bp2build
+func (p *PythonLibraryModule) PkgPath(ctx android.BazelConversionContext) *string {
+	if ctx.Config().BuildMode != android.Bp2build {
+		ctx.ModuleErrorf("PkgPath is only supported in bp2build mode")
+	}
+	return p.properties.Pkg_path
+}
+
 func (p *PythonLibraryModule) getBaseProperties() *BaseProperties {
 	return &p.properties
 }