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#!/usr/bin/env python3
import argparse
import os
import subprocess
import sys
def collect_wasm_env(local_env=os.environ, prefix='WASM_RUN_CHILD_'):
return dict((key[len(prefix):], value)
for key, value in local_env.items() if key.startswith(prefix))
class WasmtimeRunner(object):
def __init__(self):
pass
def run(self, args):
command = self.invocation(args)
if args.verbose:
print(' '.join(command), file=sys.stderr)
if not args.dry_run:
subprocess.check_call(command)
def invocation(self, args):
command = ["wasmkit-cli", "run"]
envs = collect_wasm_env()
for key in envs:
command.append("--env")
command.append(f"{key}={envs[key]}")
command.append("--")
command.extend(args.command)
return command
def main():
parser = argparse.ArgumentParser()
parser.add_argument('-v', '--verbose', action='store_true', dest='verbose',
help='print commands as they are run')
parser.add_argument('-n', '--dry-run', action='store_true', dest='dry_run',
help="print the commands that would have been run, but"
" don't actually run them")
parser.add_argument('command', nargs=argparse.REMAINDER,
help='the command to run', metavar='command...')
args = parser.parse_args()
runner = WasmtimeRunner()
runner.run(args)
if __name__ == "__main__":
main()
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