Import of the watch repository from Pebble

third_party/nanopb/generator/proto/__init__.py

@@ -0,0 +1,50 @@
+'''This file automatically rebuilds the proto definitions for Python.'''
+from __future__ import absolute_import
+
+import os.path
+import sys
+
+import pkg_resources
+
+from ._utils import has_grpcio_protoc, invoke_protoc, print_versions
+
+dirname = os.path.dirname(__file__)
+protosrc = os.path.join(dirname, "nanopb.proto")
+protodst = os.path.join(dirname, "nanopb_pb2.py")
+rebuild = False
+
+if os.path.isfile(protosrc):
+    src_date = os.path.getmtime(protosrc)
+    if not os.path.isfile(protodst) or os.path.getmtime(protodst) < src_date:
+        rebuild = True
+
+if not rebuild:
+    try:
+        from . import nanopb_pb2
+    except AttributeError as e:
+        rebuild = True
+        sys.stderr.write("Failed to import nanopb_pb2.py: " + str(e) + "\n"
+                         "Will automatically attempt to rebuild this.\n"
+                         "Verify that python-protobuf and protoc versions match.\n")
+        print_versions()
+
+if rebuild:
+    cmd = [
+        "protoc",
+        "--python_out={}".format(dirname),
+        protosrc,
+        "-I={}".format(dirname),
+    ]
+
+    if has_grpcio_protoc():
+        # grpcio-tools has an extra CLI argument
+        # from grpc.tools.protoc __main__ invocation.
+        _builtin_proto_include = pkg_resources.resource_filename('grpc_tools', '_proto')
+
+        cmd.append("-I={}".format(_builtin_proto_include))
+    try:
+        invoke_protoc(argv=cmd)
+    except:
+        sys.stderr.write("Failed to build nanopb_pb2.py: " + ' '.join(cmd) + "\n")
+        raise
+