blob: b0944f23c53bc7ef58867147e943b8f919720cb5 [file] [log] [blame]
#!/usr/bin/env python3
# Copyright 2016 The Dart project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Usage: --deps <DEPS file> --output <jiri manifest>
# This script parses the DEPS file, extracts dependencies that live under
# third_party/pkg, and writes them to a file suitable for consumption as a
# jiri manifest for Fuchsia. It is assumed that the Dart tree is under
# //dart in the Fuchsia world, and so the dependencies extracted by this script
# will go under //dart/third_party/pkg.
import argparse
import os
import sys
import utils
SCRIPT_DIR = os.path.dirname(sys.argv[0])
DART_ROOT = os.path.realpath(os.path.join(SCRIPT_DIR, '..'))
# Used in parsing the DEPS file.
class VarImpl(object):
_env_vars = {
"host_cpu": "x64",
"host_os": "linux",
def __init__(self, local_scope):
self._local_scope = local_scope
def Lookup(self, var_name):
"""Implements the Var syntax."""
if var_name in self._local_scope.get("vars", {}):
return self._local_scope["vars"][var_name]
# Inject default values for env variables
if var_name in self._env_vars:
return self._env_vars[var_name]
raise Exception("Var is not defined: %s" % var_name)
def ParseDepsFile(deps_file):
local_scope = {}
var = VarImpl(local_scope)
global_scope = {
'Var': var.Lookup,
'deps_os': {},
# Read the content.
with open(deps_file, 'r') as fp:
deps_content =
# Eval the content.
exec (deps_content, global_scope, local_scope)
# Extract the deps and filter.
deps = local_scope.get('deps', {})
filtered_deps = {}
for k, v in deps.items():
if 'sdk/third_party/pkg' in k:
new_key = k.replace('sdk', 'third_party/dart', 1)
filtered_deps[new_key] = v
return filtered_deps
def WriteManifest(deps, manifest_file):
project_template = """
<project name="%s"
warning = (
'<!-- This file is generated by '
'//third_party/dart/tools/ DO NOT EDIT -->\n')
with open(manifest_file, 'w') as manifest:
manifest.write('<?xml version="1.0" encoding="UTF-8"?>\n')
manifest.write(' <projects>\n')
for path, remote in sorted(deps.items()):
remote_components = remote.split('@')
remote_url = remote_components[0]
remote_version = remote_components[1]
project_template % (path, path, remote_url, remote_version))
manifest.write(' </projects>\n')
def ParseArgs(args):
args = args[1:]
parser = argparse.ArgumentParser(
description='A script to generate a jiri manifest for third_party/pkg.')
help='Input DEPS file.',
default=os.path.join(DART_ROOT, 'DEPS'))
help='Output jiri manifest.',
default=os.path.join(DART_ROOT, 'dart_third_party_pkg.manifest'))
return parser.parse_args(args)
def Main(argv):
args = ParseArgs(argv)
deps = ParseDepsFile(args.deps)
WriteManifest(deps, args.output)
return 0
if __name__ == '__main__':