Add python_test_host module.

bug: 31676493
Test: created py_test modules in real folder. and ran 'mma'.
Change-Id: I22aa2fad74b11e4a31ea7a4c4a4f0ea64cd3fc94

python/androidmk.go

@@ -0,0 +1,74 @@
+// Copyright 2017 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package python
+
+import (
+	"android/soong/android"
+	"fmt"
+	"io"
+	"path/filepath"
+	"strings"
+)
+
+type subAndroidMkProvider interface {
+	AndroidMk(*pythonBaseModule, *android.AndroidMkData)
+}
+
+func (p *pythonBaseModule) subAndroidMk(data *android.AndroidMkData, obj interface{}) {
+	if p.subAndroidMkOnce == nil {
+		p.subAndroidMkOnce = make(map[subAndroidMkProvider]bool)
+	}
+	if androidmk, ok := obj.(subAndroidMkProvider); ok {
+		if !p.subAndroidMkOnce[androidmk] {
+			p.subAndroidMkOnce[androidmk] = true
+			androidmk.AndroidMk(p, data)
+		}
+	}
+}
+
+func (p *pythonBaseModule) AndroidMk() (ret android.AndroidMkData, err error) {
+	p.subAndroidMk(&ret, p.installer)
+
+	return ret, nil
+}
+
+func (p *pythonBinaryHostDecorator) AndroidMk(base *pythonBaseModule, ret *android.AndroidMkData) {
+	ret.Class = "EXECUTABLES"
+	base.subAndroidMk(ret, p.pythonDecorator.baseInstaller)
+}
+
+func (p *pythonTestHostDecorator) AndroidMk(base *pythonBaseModule, ret *android.AndroidMkData) {
+	ret.Class = "NATIVE_TESTS"
+	base.subAndroidMk(ret, p.pythonDecorator.baseInstaller)
+}
+
+func (installer *pythonInstaller) AndroidMk(base *pythonBaseModule, ret *android.AndroidMkData) {
+	// Soong installation is only supported for host modules. Have Make
+	// installation trigger Soong installation.
+	if base.Target().Os.Class == android.Host {
+		ret.OutputFile = android.OptionalPathForPath(installer.path)
+	}
+
+	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
+		path := installer.path.RelPathString()
+		dir, file := filepath.Split(path)
+		stem := strings.TrimSuffix(file, filepath.Ext(file))
+
+		fmt.Fprintln(w, "LOCAL_MODULE_SUFFIX := "+filepath.Ext(file))
+		fmt.Fprintln(w, "LOCAL_MODULE_PATH := $(OUT_DIR)/"+filepath.Clean(dir))
+		fmt.Fprintln(w, "LOCAL_MODULE_STEM := "+stem)
+		return nil
+	})
+}