mirror of
https://github.com/dart-lang/sdk
synced 2024-09-16 02:17:14 +00:00
c8de060c54
The VM now fully supports all the weird async stuff pub is doing, and all the tests pass with native async/await! Previous CLs were r43484 and r43483. R=rnystrom@google.com Review URL: https://codereview.chromium.org//937243002 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@43897 260f80e4-7a28-3924-810f-c04153c831b5
105 lines
3.5 KiB
Python
Executable file
105 lines
3.5 KiB
Python
Executable file
#!/usr/bin/env python
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# Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
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# for details. All rights reserved. Use of this source code is governed by a
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# BSD-style license that can be found in the LICENSE file.
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"""Used to run pub before the SDK has been built"""
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import argparse
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import os
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import platform
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import subprocess
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import sys
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SCRIPT_DIR = os.path.dirname(sys.argv[0])
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DART_ROOT = os.path.realpath(os.path.join(SCRIPT_DIR, '..'))
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PUB_PATH = os.path.join(DART_ROOT, 'sdk/lib/_internal/pub/bin/pub.dart')
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CANARY_PATH = os.path.join(DART_ROOT, 'tools', 'canary.dart')
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usage = """run_pub.py --package-root=<package root>"""
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def BuildArguments():
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result = argparse.ArgumentParser(usage=usage)
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result.add_argument("--package-root", help="package root", default=None)
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result.add_argument("--dart-executable", help="dart binary", default=None)
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return result
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def ProcessOptions(options, args):
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return ((options.package_root != None) and
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(options.dart_executable != None))
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def GetPrebuiltDartExecutablePath(suffix):
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osdict = {'Darwin':'macos', 'Linux':'linux', 'Windows':'windows'}
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system = platform.system()
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executable_name = 'dart'
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if system == 'Windows':
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executable_name = 'dart.exe'
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try:
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osname = osdict[system]
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except KeyError:
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print >>sys.stderr, ('WARNING: platform "%s" not supported') % (system)
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return None;
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return os.path.join(DART_ROOT,
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'tools',
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'testing',
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'bin',
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osname,
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executable_name + suffix)
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def RunPub(dart, pkg_root, args):
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return subprocess.call([dart, '--package-root=' + pkg_root, PUB_PATH] + args)
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def TryRunningExecutable(dart_executable, pkg_root):
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try:
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return subprocess.call([dart_executable,
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'--package-root=' + pkg_root,
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CANARY_PATH]) == 42
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except:
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return False;
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def DisplayBootstrapWarning():
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print """\
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WARNING: Your system cannot run the prebuilt Dart executable. Using the
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bootstrap Dart executable will make Debug builds long.
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Please see Wiki for instructions on replacing prebuilt Dart executable.
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https://code.google.com/p/dart/wiki/ReplacingPrebuiltDartExecutable
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"""
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def FindDartExecutable(fallback_executable, package_root):
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# If requested, use the bootstrap binary instead of the prebuilt
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# executable.
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if os.getenv('DART_USE_BOOTSTRAP_BIN') != None:
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return fallback_executable
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# Try to find a working prebuilt dart executable.
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dart_executable = GetPrebuiltDartExecutablePath('')
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if TryRunningExecutable(dart_executable, package_root):
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return dart_executable
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dart_executable = GetPrebuiltDartExecutablePath('-arm')
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if TryRunningExecutable(dart_executable, package_root):
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return dart_executable
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dart_executable = GetPrebuiltDartExecutablePath('-mips')
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if TryRunningExecutable(dart_executable, package_root):
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return dart_executable
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# If the system cannot execute a prebuilt dart executable, use the bootstrap
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# executable instead.
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DisplayBootstrapWarning()
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return fallback_executable
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def main():
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# Parse the options.
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parser = BuildArguments()
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(options, args) = parser.parse_known_args()
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if not ProcessOptions(options, args):
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parser.print_help()
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return 1
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dart_executable = FindDartExecutable(options.dart_executable,
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options.package_root)
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return RunPub(dart_executable, options.package_root, args)
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if __name__ == '__main__':
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sys.exit(main())
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