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113 lines
3.7 KiB
Python
Executable File
113 lines
3.7 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2014 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Creates a simple script to run a java "binary".
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This creates a script that sets up the java command line for running a java
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jar. This includes correctly setting the classpath and the main class.
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"""
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import optparse
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import os
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import sys
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from util import build_utils
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# The java command must be executed in the current directory because there may
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# be user-supplied paths in the args. The script receives the classpath relative
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# to the directory that the script is written in and then, when run, must
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# recalculate the paths relative to the current directory.
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script_template = """\
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#!/usr/bin/env python
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#
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# This file was generated by build/android/gyp/create_java_binary_script.py
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import argparse
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import os
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import sys
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self_dir = os.path.dirname(__file__)
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classpath = [{classpath}]
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bootclasspath = [{bootclasspath}]
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extra_program_args = {extra_program_args}
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if os.getcwd() != self_dir:
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offset = os.path.relpath(self_dir, os.getcwd())
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classpath = [os.path.join(offset, p) for p in classpath]
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bootclasspath = [os.path.join(offset, p) for p in bootclasspath]
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java_cmd = ["java"]
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# This is a simple argparser for jvm and jar arguments.
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parser = argparse.ArgumentParser()
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parser.add_argument('--jar-args')
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parser.add_argument('--jvm-args')
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known_args, unknown_args = parser.parse_known_args(sys.argv[1:])
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if known_args.jvm_args:
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jvm_arguments = known_args.jvm_args.strip('"').split()
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java_cmd.extend(jvm_arguments)
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if known_args.jar_args:
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jar_arguments = known_args.jar_args.strip('"').split()
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if unknown_args:
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raise Exception('There are unknown arguments')
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else:
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jar_arguments = unknown_args
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{noverify_flag}
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if bootclasspath:
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java_cmd.append("-Xbootclasspath/p:" + ":".join(bootclasspath))
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java_cmd.extend(
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["-classpath", ":".join(classpath), "-enableassertions", \"{main_class}\"])
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java_cmd.extend(extra_program_args)
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java_cmd.extend(jar_arguments)
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os.execvp("java", java_cmd)
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"""
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def main(argv):
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argv = build_utils.ExpandFileArgs(argv)
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parser = optparse.OptionParser()
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parser.add_option('--output', help='Output path for executable script.')
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parser.add_option('--main-class',
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help='Name of the java class with the "main" entry point.')
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parser.add_option('--classpath', action='append', default=[],
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help='Classpath for running the jar.')
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parser.add_option('--bootclasspath', action='append', default=[],
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help='zip/jar files to add to bootclasspath for java cmd.')
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parser.add_option('--noverify', action='store_true',
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help='JVM flag: noverify.')
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options, extra_program_args = parser.parse_args(argv)
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if (options.noverify):
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noverify_flag = 'java_cmd.append("-noverify")'
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else:
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noverify_flag = ''
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classpath = []
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for cp_arg in options.classpath:
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classpath += build_utils.ParseGnList(cp_arg)
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bootclasspath = []
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for bootcp_arg in options.bootclasspath:
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bootclasspath += build_utils.ParseGnList(bootcp_arg)
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run_dir = os.path.dirname(options.output)
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bootclasspath = [os.path.relpath(p, run_dir) for p in bootclasspath]
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classpath = [os.path.relpath(p, run_dir) for p in classpath]
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with build_utils.AtomicOutput(options.output) as script:
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script.write(script_template.format(
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classpath=('"%s"' % '", "'.join(classpath)),
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bootclasspath=('"%s"' % '", "'.join(bootclasspath)
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if bootclasspath else ''),
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main_class=options.main_class,
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extra_program_args=repr(extra_program_args),
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noverify_flag=noverify_flag))
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os.chmod(options.output, 0750)
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if __name__ == '__main__':
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sys.exit(main(sys.argv[1:]))
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