Skip to content


Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

91 lines (75 sloc) 3.108 kb
from distutils.spawn import find_executable
from import build
from distutils.command.clean import clean
from distutils.cmd import Command
from distutils import log
import sys
import os
class clean_proto(clean):
def run(self):
for package in self.distribution.packages:
for root, dirs, files in os.walk(package):
for filename in files:
path = os.path.join(root, filename)
if self.is_pb2_file(filename):"removing generated file '%s'" % path)
def is_pb2_file(self, filename):
base, u, rest = filename.rpartition('_')
return rest == ''
class build_proto(Command):
description = "build .proto files into Python modules"
user_options = [
('protoc=', None, 'location of the protoc compiler'),
('indir=', 'i', 'where to find the *.proto files to compile'),
('outdir=', 'o', 'where to output the generated Python code'),
('force', 'f', 'forcibly build everything (ignore file timestamps)')]
boolean_options = ['force']
def initialize_options(self):
self.indir = None
self.outdir = None
self.protoc = None
self.force = None
def finalize_options(self):
self.set_undefined_options('build', ('force', 'force'))
if self.indir is None:
self.indir = os.path.join('.', 'src')
if self.outdir is None:
self.outdir = os.path.join('.', self.distribution.packages[0])
if self.protoc is None:
self.protoc = find_executable('protoc')
if self.protoc is None:
raise RuntimeError("No protoc compiler was found!")
def run(self):
for protofile in self.get_proto_files():
outputfile = self.pb2_filename(protofile)
outputdir = os.path.dirname(outputfile)
self.make_file(protofile, outputfile, self.generate_proto, [protofile, outputdir])
def get_proto_files(self):
protos = []
for root, dirs, files in os.walk(self.indir):
for filename in files:
if self.is_proto_file(filename):
self.debug_print("Found protobuffs definition: %s" % filename)
protos.append(os.path.join(root, filename))
return protos
def is_proto_file(self, filename):
base, dot, ext = filename.rpartition(".")
return (ext == "proto")
def pb2_filename(self, source):
return source.replace(".proto", "").replace(self.indir, self.outdir)
# Lifted and modified from the google project
def generate_proto(self, source, outputdir):
"""Invokes the Protocol Compiler to generate a from the given
.proto file.."""
protoc_command = [ self.protoc,
"-I%s" % self.indir,
"--python_out=%s" % outputdir,
source ]
result = self.spawn(protoc_command, 0)
if result is not None and result[1] is not 0:
raise SystemError("protoc command failed: '%s'" % protoc_command.join(' '))
# Inject our .proto compiler into the front of the build commands
build.sub_commands.insert(0, ('build_proto', None))
Jump to Line
Something went wrong with that request. Please try again.