backup-tool/app/__main__.py

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import argparse
import sys
from specs import parse_specs_file
# This just displays the error type and message, not the stack trace
def except_hook(ext_type, value, traceback):
sys.stderr.write("{}: {}\n".format(ext_type.__name__, value))
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sys.excepthook = except_hook
# Define parser
parser = argparse.ArgumentParser(
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description="Backup directories and Docker volumes."
)
parser.add_argument(
"-f",
"--file",
action="append",
dest="file",
help="File containing spec definitions.",
)
parser.add_argument(
"-j",
"--json",
action="store_const",
const=True,
default=False,
help="Print out the parsed specs as JSON " "and exit",
)
parser.add_argument(
"spec", nargs="*", help="The specs to process. Defaults to all."
)
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# Parse arguments
args = parser.parse_args()
specs = sum([parse_specs_file(path) for path in args.file], [])
# Filter specs if needed
if args.spec:
specs = filter(lambda s: s.name in args.spec, specs)
# Dump parsed data as json
if args.json:
import json
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print(json.dumps([spec.to_dict() for spec in specs], indent=4))
else:
pass
# Run the backups
# for spec in specs:
# spec.backup()