mobile/android/gradle.py

   1 # This Source Code Form is subject to the terms of the Mozilla Public
   2 # License, v. 2.0. If a copy of the MPL was not distributed with this
   3 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   4
   5 from __future__ import absolute_import, print_function
   6
   7 from contextlib import contextmanager
   8 import os
   9 import subprocess
  10 import sys
  11
  12 from mozbuild.util import (
  13     ensureParentDir,
  14     lock_file,
  15 )
  16 import mozpack.path as mozpath
  17
  18
  19 @contextmanager
  20 def gradle_lock(topobjdir, max_wait_seconds=600):
  21     # Building the same Gradle root project with multiple concurrent processes
  22     # is not well supported, so we use a simple lock file to serialize build
  23     # steps.
  24     lock_path = "{}/gradle/mach_android.lockfile".format(topobjdir)
  25     ensureParentDir(lock_path)
  26     lock_instance = lock_file(lock_path, max_wait=max_wait_seconds)
  27
  28     try:
  29         yield
  30     finally:
  31         del lock_instance
  32
  33
  34 def android(verb, *args):
  35     import buildconfig
  36
  37     with gradle_lock(buildconfig.topobjdir):
  38         cmd = [
  39             sys.executable,
  40             mozpath.join(buildconfig.topsrcdir, "mach"),
  41             "android",
  42             verb,
  43         ]
  44         cmd.extend(args)
  45         env = dict(os.environ)
  46         # Confusingly, `MACH` is set only within `mach build`.
  47         if env.get("MACH"):
  48             env["GRADLE_INVOKED_WITHIN_MACH_BUILD"] = "1"
  49         if env.get("LD_LIBRARY_PATH"):
  50             del env["LD_LIBRARY_PATH"]
  51         subprocess.check_call(cmd, env=env)
  52
  53         return 0
  54
  55
  56 def assemble_app(dummy_output_file, *inputs):
  57     return android("assemble-app")
  58
  59
  60 def generate_sdk_bindings(dummy_output_file, *args):
  61     return android("generate-sdk-bindings", *args)
  62
  63
  64 def generate_generated_jni_wrappers(dummy_output_file, *args):
  65     return android("generate-generated-jni-wrappers", *args)