Add parallel execution for generate_projects

tools/buildgen/generate_projects.py

@@ -0,0 +1,75 @@
+#!/usr/bin/env python2.7
+
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import glob
+import os
+import sys
+import tempfile
+sys.path.append(os.path.join(os.path.dirname(sys.argv[0]), '..', 'run_tests'))
+
+assert sys.argv[1:], 'run generate_projects.sh instead of this directly'
+
+import jobset
+
+os.chdir(os.path.join(os.path.dirname(sys.argv[0]), '..', '..'))
+json = sys.argv[1:]
+
+test = {} if 'TEST' in os.environ else None
+
+plugins = sorted(glob.glob('tools/buildgen/plugins/*.py'))
+
+jobs = []
+for root, dirs, files in os.walk('templates'):
+	for f in files:
+		if os.path.splitext(f)[1] == '.template':
+			out = '.' + root[len('templates'):] + '/' + os.path.splitext(f)[0]
+			cmd = ['tools/buildgen/mako_renderer.py']
+			for plugin in plugins:
+				cmd.append('-p')
+				cmd.append(plugin)
+			for js in json:
+				cmd.append('-d')
+				cmd.append(js)
+			cmd.append('-o')
+			if test is None:
+				cmd.append(out)
+			else:
+				test[out] = tempfile.mkstemp()
+				cmd.append(test[out])
+			cmd.append(root + '/' + f)
+			jobs.append(jobset.JobSpec(cmd, shortname=out))
+
+jobset.run(jobs)
+
+if test is not None:
+	for s, g in test.iteritems():
+		assert(0 == os.system('diff %s %s' % (s, g)))
+		os.unlink(g)

tools/buildgen/generate_projects.sh

@@ -45,6 +45,12 @@ fi
 
 . tools/buildgen/generate_build_additions.sh
 
+tools/buildgen/generate_projects.py build.json $gen_build_files
+
+rm $gen_build_files
+
+exit
+
 global_plugins=`find ./tools/buildgen/plugins -name '*.py' |
   sort | grep -v __init__ | awk ' { printf "-p %s ", $0 } '`