SkMojo: generate on Darwin/x86_64

experimental/mojo/generate.py

 #!/usr/bin/python
 
 # Copyright 2016 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import hashlib
 import os
+import platform
+import stat
 import subprocess
+import sys
 import urllib2
-import stat
 
 THIS_DIR = os.path.abspath(os.path.dirname(__file__))
 MOJO_DIR = os.path.abspath(os.path.join(THIS_DIR, '../../third_party/externals/mojo'))
 
 def GetFile(filename, bucket_directory):
     def sha1hash(path):
         hasher = hashlib.sha1()
         if os.path.isfile(path):
             with open(path, 'r') as f:
                 hasher.update(f.read())
         return hasher.hexdigest()
     sha_path = filename + '.sha1'
     assert os.path.isfile(sha_path)
     with open(sha_path, 'r') as f:
         sha = f.read(40)
     if sha1hash(filename) == sha:
         return
     url = 'https://storage.googleapis.com/%s/%s' % (bucket_directory, sha)
     with open(filename, 'w') as o:
         o.write(urllib2.urlopen(url).read())
     os.chmod(filename, stat.S_IRUSR | stat.S_IRGRP | stat.S_IROTH |
                        stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH)
     assert sha1hash(filename) == sha
 
 def GenerateBindings(path, cdir=None):
-    GetFile(os.path.join(MOJO_DIR,
-                         'public/tools/bindings/mojom_parser/bin/linux64/mojom_parser'),
-            'mojo/mojom_parser/linux64')
+    system = (platform.machine(), platform.system())
+    if ('x86_64', 'Darwin') == system:
+        parser = 'public/tools/bindings/mojom_parser/bin/mac64/mojom_parser'
+        bucket_directory = 'mojo/mojom_parser/mac64'
+    elif ('x86_64', 'Linux') == system:
+        parser = 'public/tools/bindings/mojom_parser/bin/linux64/mojom_parser'
+        bucket_directory = 'mojo/mojom_parser/linux64'
+    else:
+        assert False
+    GetFile(os.path.join(MOJO_DIR, parser), bucket_directory)
     assert os.path.isfile(path)
     path = os.path.abspath(path)
     exe = os.path.join(
         MOJO_DIR, 'public/tools/bindings/mojom_bindings_generator.py')
     assert os.path.isfile(exe)
     if cdir is None:
         cdir = os.path.dirname(path)
     assert os.path.isdir(cdir)
     cwd = os.getcwd()
     os.chdir(cdir)
     subprocess.check_call([exe, os.path.relpath(path, cdir)])
     os.chdir(cwd)
 
-for f in [
-    'public/interfaces/bindings/interface_control_messages.mojom',
-    'public/interfaces/application/service_provider.mojom',
-    'public/interfaces/bindings/tests/ping_service.mojom',
-    'public/interfaces/application/application.mojom',
-    ]:
-    GenerateBindings(os.path.join(MOJO_DIR, f), os.path.join(MOJO_DIR, os.pardir))
-
-GenerateBindings(os.path.join(THIS_DIR, 'SkMojo.mojom'))
+if __name__ == '__main__':
+    if 1 == len(sys.argv):
+        for f in [
+            'public/interfaces/bindings/interface_control_messages.mojom',
+            'public/interfaces/application/service_provider.mojom',
+            'public/interfaces/bindings/tests/ping_service.mojom',
+            'public/interfaces/application/application.mojom',
+            ]:
+            GenerateBindings(os.path.join(MOJO_DIR, f), os.path.join(MOJO_DIR, os.pardir))
+    else:
+        for arg in sys.argv[1:]:
+            GenerateBindings(arg)