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