mirror of
https://github.com/grpc/grpc-node.git
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120 lines
3.9 KiB
JavaScript
120 lines
3.9 KiB
JavaScript
/*
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*
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* Copyright 2015, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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'use strict';
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var fs = require('fs');
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var path = require('path');
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var _ = require('underscore');
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var async = require('async');
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var pbjs = require('protobufjs/cli/pbjs');
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var parseArgs = require('minimist');
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var Mustache = require('mustache');
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var package_json = require('../package.json');
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var template_path = path.resolve(__dirname, 'service_packager');
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var package_tpl_path = path.join(template_path, 'package.json.template');
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var arg_format = {
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string: ['include', 'out', 'name', 'version'],
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alias: {
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include: 'i',
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out: 'o',
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name: 'n',
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version: 'v'
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}
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};
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// TODO(mlumish): autogenerate README.md from proto file
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function generatePackage(params, callback) {
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fs.readFile(package_tpl_path, {encoding: 'utf-8'}, function(err, template) {
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if (err) {
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callback(err);
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} else {
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var rendered = Mustache.render(template, params);
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callback(null, rendered);
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}
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});
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}
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function copyFile(src_path, dest_path) {
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fs.createReadStream(src_path).pipe(fs.createWriteStream(dest_path));
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}
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function main(argv) {
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var args = parseArgs(argv, arg_format);
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var out_path = path.resolve(args.out);
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var include_dirs = _.map(_.flatten([args.include]), function(p) {
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return path.resolve(p);
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});
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args.grpc_version = package_json.version;
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generatePackage(args, function(err, rendered) {
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if (err) throw err;
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fs.writeFile(path.join(out_path, 'package.json'), rendered, function(err) {
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if (err) throw err;
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});
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});
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copyFile(path.join(template_path, 'index.js'),
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path.join(out_path, 'index.js'));
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copyFile(path.join(__dirname, '..', 'LICENSE'),
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path.join(out_path, 'LICENSE'));
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var service_stream = fs.createWriteStream(path.join(out_path,
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'service.json'));
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var pbjs_args = _.flatten(['node', 'pbjs',
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args._[0],
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'-legacy',
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_.map(include_dirs, function(dir) {
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return "-path=" + dir;
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})]);
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var old_stdout = process.stdout;
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process.__defineGetter__('stdout', function() {
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return service_stream;
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});
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var pbjs_status = pbjs.main(pbjs_args);
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process.__defineGetter__('stdout', function() {
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return old_stdout;
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});
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if (pbjs_status !== pbjs.STATUS_OK) {
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throw new Error('pbjs failed with status code ' + pbjs_status);
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}
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}
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exports.main = main;
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