2025-08-13 18:13:09 +08:00
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import json
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from jsonschema import validate, Draft7Validator, FormatChecker
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class ConfigValidator:
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"""配置文件验证器"""
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SCHEMA = {
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"type": "object",
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"properties": {
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"plcs": {
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"type": "array",
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"minItems": 1,
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"items": {
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"type": "object",
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"properties": {
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"name": {"type": "string", "minLength": 1},
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"ip": {"type": "string", "format": "ipv4"},
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"rack": {"type": "integer", "minimum": 0},
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"slot": {"type": "integer", "minimum": 0},
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2025-08-14 15:04:11 +08:00
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"refresh_interval": {
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"type": "number",
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"minimum": 0.01,
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"default": 0.5
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},
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2025-08-13 18:13:09 +08:00
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"areas": {
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"type": "array",
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"minItems": 1,
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"items": {
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"type": "object",
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"properties": {
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"name": {"type": "string", "minLength": 1},
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"type": {"type": "string", "enum": ["read", "write", "read_write"]},
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"db_number": {"type": "integer", "minimum": 1},
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"offset": {"type": "integer", "minimum": 0},
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"size": {"type": "integer", "minimum": 1},
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"structure": {
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"type": "array",
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"items": {
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"type": "object",
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"properties": {
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"name": {"type": "string"},
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"type": {"type": "string", "enum": ["bool", "byte", "int", "dint", "real", "word", "dword"]},
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"offset": {"type": "integer", "minimum": 0},
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"bit": {"type": "integer", "minimum": 0, "maximum": 7} # 修复了这里
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},
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"required": ["name", "type", "offset"]
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}
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}
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},
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"required": ["name", "type", "db_number", "offset", "size"]
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}
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}
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},
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"required": ["name", "ip", "rack", "slot", "areas"]
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}
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}
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},
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"required": ["plcs"]
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}
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2025-08-14 15:04:11 +08:00
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"""
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@staticmethod:静态方法装饰器，使validate_config不依赖于类的实例，可以通过类直接调用
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如ConfigValidator.validate_config(config)
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"""
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2025-08-13 18:13:09 +08:00
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@staticmethod
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def validate_config(config):
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2025-08-14 15:04:11 +08:00
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"""使用JSONSchema验证配置是否符合规范"""
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2025-08-13 18:13:09 +08:00
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try:
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# 添加IPv4格式验证
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validator = Draft7Validator(
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ConfigValidator.SCHEMA,
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format_checker=FormatChecker(["ipv4"])
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)
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validator.validate(config)
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return True, None
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except Exception as e:
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return False, str(e)
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@staticmethod
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def is_valid_ip(ip):
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"""验证IP地址格式"""
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parts = ip.split('.')
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if len(parts) != 4:
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return False
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for part in parts:
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if not part.isdigit():
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return False
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num = int(part)
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if num < 0 or num > 255:
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return False
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return True
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