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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
import argparse
import sys
from .. import commandline, handlers, reader
def get_parser(add_help=True):
parser = argparse.ArgumentParser(
"format", description="Format a structured log stream", add_help=add_help
)
parser.add_argument(
"--input",
action="store",
default=None,
help="Filename to read from, defaults to stdin",
)
parser.add_argument(
"--output",
action="store",
default=None,
help="Filename to write to, defaults to stdout",
)
parser.add_argument(
"format", choices=list(commandline.log_formatters.keys()), help="Format to use"
)
return parser
def main(**kwargs):
if kwargs["input"] is None:
input_file = sys.stdin
else:
input_file = open(kwargs["input"])
if kwargs["output"] is None:
output_file = sys.stdout
else:
output_file = open(kwargs["output"], "w")
formatter = commandline.log_formatters[kwargs["format"]][0]()
handler = handlers.StreamHandler(stream=output_file, formatter=formatter)
for data in reader.read(input_file):
handler(data)
if __name__ == "__main__":
parser = get_parser()
args = parser.parse_args()
kwargs = vars(args)
main(**kwargs)