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from __future__ import annotations
import sys
import typing
import logging
import argparse
import jsonschema
import coloredlogs
import zigpy_znp.types as t
import zigpy_znp.logger as log
LOG_LEVELS = [logging.INFO, logging.DEBUG, log._TRACE]
OPEN_COORDINATOR_BACKUP_SCHEMA = {
"$schema": "http://json-schema.org/draft-07/schema#",
"$id": "https://github.com/zigpy/open-coordinator-backup/schema.json",
"type": "object",
"properties": {
"metadata": {
"type": "object",
"properties": {
"format": {
"type": "string",
"pattern": "^zigpy/open-coordinator-backup$",
},
"version": {"type": "integer", "minimum": 1, "maximum": 1},
"source": {"type": "string", "pattern": "^(.*?)+@(.*?)$"},
"internal": {"type": "object"},
},
"required": ["version", "source"],
},
"stack_specific": {
"type": "object",
"properties": {
"zstack": {
"type": "object",
"properties": {
"tclk_seed": {"type": "string", "pattern": "[a-fA-F0-9]{32}"},
},
}
},
},
"coordinator_ieee": {"type": "string", "pattern": "[a-fA-F0-9]{16}"},
"pan_id": {"type": "string", "pattern": "[a-fA-F0-9]{4}"},
"extended_pan_id": {"type": "string", "pattern": "[a-fA-F0-9]{16}"},
"nwk_update_id": {"type": "integer", "minimum": 0, "maximum": 255},
"security_level": {"type": "integer", "minimum": 0, "maximum": 7},
"channel": {"type": "integer", "minimum": 11, "maximum": 26},
"channel_mask": {
"type": "array",
"items": {"type": "integer", "minimum": 11, "maximum": 26},
},
"network_key": {
"type": "object",
"properties": {
"key": {"type": "string", "pattern": "[a-fA-F0-9]{32}"},
"sequence_number": {"type": "integer", "minimum": 0, "maximum": 255},
"frame_counter": {
"type": "integer",
"minimum": 0,
"maximum": 4294967295,
},
},
"required": ["key", "sequence_number", "frame_counter"],
},
"devices": {
"type": "array",
"items": {
"type": "object",
"properties": {
"nwk_address": {
"type": ["string", "null"],
"pattern": "[a-fA-F0-9]{4}",
},
"ieee_address": {"type": "string", "pattern": "[a-fA-F0-9]{16}"},
"is_child": {"type": "boolean"},
"link_key": {
"type": "object",
"properties": {
"key": {"type": "string", "pattern": "[a-fA-F0-9]{16}"},
"tx_counter": {
"type": "integer",
"minimum": 0,
"maximum": 4294967295,
},
"rx_counter": {
"type": "integer",
"minimum": 0,
"maximum": 4294967295,
},
},
"required": ["key", "tx_counter", "rx_counter"],
},
},
"required": ["nwk_address", "ieee_address"],
},
},
},
"required": [
"metadata",
"coordinator_ieee",
"pan_id",
"extended_pan_id",
"nwk_update_id",
"security_level",
"channel",
"channel_mask",
"network_key",
"devices",
],
}
def validate_backup_json(backup: t.JSONType) -> None:
jsonschema.validate(backup, schema=OPEN_COORDINATOR_BACKUP_SCHEMA)
class CustomArgumentParser(argparse.ArgumentParser):
def parse_args(self, args: typing.Sequence[str] | None = None, namespace=None):
args = super().parse_args(args, namespace)
# Since we're running as a CLI tool, install our own log level and color logger
log.TRACE = log._TRACE
logging.addLevelName(log.TRACE, "TRACE")
# But still allow the user to configure verbosity
verbosity = args.verbosity
log_level = LOG_LEVELS[min(max(0, verbosity), len(LOG_LEVELS) - 1)]
# coloredlogs uses "spam" for level 5, not "trace"
level_styles = coloredlogs.DEFAULT_LEVEL_STYLES.copy()
level_styles["trace"] = level_styles["spam"]
logging.getLogger().setLevel(log_level)
coloredlogs.install(
fmt=(
"%(asctime)s.%(msecs)03d"
" %(hostname)s"
" %(name)s"
" %(levelname)s %(message)s"
),
level=log_level,
level_styles=level_styles,
)
return args
class UnclosableFile:
"""
Wraps a file object so that every operation but "close" is proxied.
"""
def __init__(self, f):
self.f = f
def close(self):
return
def __enter__(self):
return self
def __exit__(self, exc_type, exc_value, traceback):
return
def __getattr__(self, name):
return getattr(self.f, name)
class ClosableFileType(argparse.FileType):
"""
Allows `FileType` to always be closed properly, even with stdout and stdin.
"""
def __call__(self, string):
f = super().__call__(string)
if f not in (sys.stdin, sys.stdout, sys.stdin.buffer, sys.stdout.buffer):
return f
return UnclosableFile(f)
def setup_parser(description: str) -> argparse.ArgumentParser:
"""
Creates an ArgumentParser that sets up a logger with a configurable verbosity
and a positional serial port argument.
"""
parser = CustomArgumentParser(
description=description,
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
)
parser.add_argument(
"-v",
"--verbose",
dest="verbosity",
action="count",
default=0,
help="increases verbosity",
)
parser.add_argument("serial", type=str, help="Serial port path")
return parser
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