arno/trezor-firmware
1
0
Fork 0
mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-22 07:28:10 +00:00
Code Issues Releases Wiki Activity

pb2py: smarter protobuf include handling

Browse Source 
support PROTOC_INCLUDE env variable (fixes #158)
support multiple `-I` arguments
smarter detection of `protoc` presence and its include dirs
This commit is contained in:
matejcik 2018-07-03 15:30:17 +02:00
parent d522f211fd
commit 6575418de9
1 changed files with 18 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
protob/pb2py
View File

@ -33,14 +33,25 @@ FIELD_TYPES = {
}
# fmt: on
PROTOC = shutil.which("protoc")
if not PROTOC:
print("protoc command not found")
sys.exit(1)
def protoc(files, additional_include_dirs=()):
PROTOC_PREFIX = os.path.dirname(os.path.dirname(PROTOC))
PROTOC_INCLUDE = os.path.join(PROTOC_PREFIX, "include")
def protoc(files, additional_includes=()):
"""Compile code with protoc and return the data."""
include_dirs = set(additional_include_dirs)
include_dirs = set()
include_dirs.add(PROTOC_INCLUDE)
include_dirs.update(additional_includes)
for file in files:
dirname = os.path.dirname(file) or "."
include_dirs.add(dirname)
protoc_includes = ["-I" + dir for dir in include_dirs]
protoc_includes = ["-I" + dir for dir in include_dirs if dir]
# Note that we could avoid creating temp files if protoc let us write to stdout
# directly. this is currently only possible on Unix, by passing /dev/stdout as
@ -49,7 +60,7 @@ def protoc(files, additional_include_dirs=()):
with tempfile.TemporaryDirectory() as tmpdir:
outfile = os.path.join(tmpdir, "DESCRIPTOR_SET")
subprocess.check_call(
["protoc", "--descriptor_set_out={}".format(outfile)]
[PROTOC, "--descriptor_set_out={}".format(outfile)]
+ protoc_includes
+ files
)
@ -312,11 +323,12 @@ if __name__ == "__main__":
parser.add_argument("-P", "--protobuf-module", default="protobuf", help="Name of protobuf module")
parser.add_argument("-l", "--no-init-py", action="store_true", help="Do not generate __init__.py with list of modules")
parser.add_argument("--message-type", default="MessageType", help="Name of enum with message IDs")
parser.add_argument("--protobuf-default-include", default="/usr/include", help="Location of protobuf's default .proto files.")
parser.add_argument("-I", "--protoc-include", action="append", help="protoc include path")
# fmt: on
args = parser.parse_args()
descriptor_proto = protoc(args.proto, (args.protobuf_default_include,))
protoc_includes = args.protoc_include or (os.environ.get("PROTOC_INCLUDE"),)
descriptor_proto = protoc(args.proto, protoc_includes)
descriptor = Descriptor(descriptor_proto, args.message_type, args.protobuf_module)
with tempfile.TemporaryDirectory() as tmpdir: