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