mirror of
https://github.com/esphome/esphome.git
synced 2024-11-22 15:08:10 +01:00
690 lines
22 KiB
Python
690 lines
22 KiB
Python
# coding=utf-8
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"""Helpers for config validation using voluptuous."""
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from __future__ import print_function
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import logging
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import os
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import re
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import uuid as uuid_
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import voluptuous as vol
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from esphomeyaml import core, helpers
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from esphomeyaml.const import CONF_AVAILABILITY, CONF_COMMAND_TOPIC, CONF_DISCOVERY, CONF_ID, \
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CONF_NAME, CONF_PAYLOAD_AVAILABLE, \
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CONF_PAYLOAD_NOT_AVAILABLE, CONF_PLATFORM, CONF_RETAIN, CONF_STATE_TOPIC, CONF_TOPIC, \
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ESP_PLATFORM_ESP32, ESP_PLATFORM_ESP8266, CONF_INTERNAL
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from esphomeyaml.core import HexInt, IPAddress, Lambda, TimePeriod, TimePeriodMicroseconds, \
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TimePeriodMilliseconds, TimePeriodSeconds
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_LOGGER = logging.getLogger(__name__)
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# pylint: disable=invalid-name
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port = vol.All(vol.Coerce(int), vol.Range(min=1, max=65535))
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positive_float = vol.All(vol.Coerce(float), vol.Range(min=0))
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zero_to_one_float = vol.All(vol.Coerce(float), vol.Range(min=0, max=1))
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positive_int = vol.All(vol.Coerce(int), vol.Range(min=0))
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positive_not_null_int = vol.All(vol.Coerce(int), vol.Range(min=0, min_included=False))
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ALLOWED_NAME_CHARS = u'abcdefghijklmnopqrstuvwxyz0123456789_'
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RESERVED_IDS = [
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# C++ keywords http://en.cppreference.com/w/cpp/keyword
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'alignas', 'alignof', 'and', 'and_eq', 'asm', 'auto', 'bitand', 'bitor', 'bool', 'break',
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'case', 'catch', 'char', 'char16_t', 'char32_t', 'class', 'compl', 'concept', 'const',
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'constexpr', 'const_cast', 'continue', 'decltype', 'default', 'delete', 'do', 'double',
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'dynamic_cast', 'else', 'enum', 'explicit', 'export', 'export', 'extern', 'false', 'float',
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'for', 'friend', 'goto', 'if', 'inline', 'int', 'long', 'mutable', 'namespace', 'new',
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'noexcept', 'not', 'not_eq', 'nullptr', 'operator', 'or', 'or_eq', 'private', 'protected',
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'public', 'register', 'reinterpret_cast', 'requires', 'return', 'short', 'signed', 'sizeof',
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'static', 'static_assert', 'static_cast', 'struct', 'switch', 'template', 'this',
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'thread_local', 'throw', 'true', 'try', 'typedef', 'typeid', 'typename', 'union', 'unsigned',
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'using', 'virtual', 'void', 'volatile', 'wchar_t', 'while', 'xor', 'xor_eq',
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'App', 'pinMode', 'delay', 'delayMicroseconds', 'digitalRead', 'digitalWrite', 'INPUT',
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'OUTPUT',
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]
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def alphanumeric(value):
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if value is None:
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raise vol.Invalid("string value is None")
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value = unicode(value)
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if not value.isalnum():
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raise vol.Invalid("string value is not alphanumeric")
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return value
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def valid_name(value):
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value = string_strict(value)
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for c in value:
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if c not in ALLOWED_NAME_CHARS:
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raise vol.Invalid(u"'{}' is an invalid character for names. Valid characters are: {}"
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u"".format(c, ALLOWED_NAME_CHARS))
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return value
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def string(value):
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if isinstance(value, (dict, list)):
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raise vol.Invalid("string value cannot be dictionary or list.")
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if value is not None:
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return unicode(value)
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raise vol.Invalid("string value is None")
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def string_strict(value):
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"""Strictly only allow strings."""
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if isinstance(value, (str, unicode)):
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return value
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raise vol.Invalid("Must be string, did you forget putting quotes "
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"around the value?")
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def icon(value):
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"""Validate icon."""
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value = string_strict(value)
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if value.startswith('mdi:'):
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return value
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raise vol.Invalid('Icons should start with prefix "mdi:"')
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def boolean(value):
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"""Validate and coerce a boolean value."""
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if isinstance(value, str):
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value = value.lower()
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if value in ('1', 'true', 'yes', 'on', 'enable'):
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return True
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if value in ('0', 'false', 'no', 'off', 'disable'):
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return False
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raise vol.Invalid('invalid boolean value {}'.format(value))
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return bool(value)
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def ensure_list(value):
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"""Wrap value in list if it is not one."""
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if value is None or (isinstance(value, dict) and not value):
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return []
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if isinstance(value, list):
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return value
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return [value]
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def ensure_list_not_empty(value):
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if isinstance(value, list):
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return value
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return [value]
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def ensure_dict(value):
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if value is None:
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return {}
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if not isinstance(value, dict):
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raise vol.Invalid("Expected a dictionary")
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return value
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def hex_int_(value):
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if isinstance(value, (int, long)):
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return HexInt(value)
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value = string_strict(value).lower()
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if value.startswith('0x'):
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return HexInt(int(value, 16))
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return HexInt(int(value))
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def int_(value):
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if isinstance(value, (int, long)):
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return value
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value = string_strict(value).lower()
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if value.startswith('0x'):
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return int(value, 16)
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return int(value)
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hex_int = vol.Coerce(hex_int_)
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def variable_id_str_(value):
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value = string(value)
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if not value:
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raise vol.Invalid("ID must not be empty")
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if value[0].isdigit():
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raise vol.Invalid("First character in ID cannot be a digit.")
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if '-' in value:
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raise vol.Invalid("Dashes are not supported in IDs, please use underscores instead.")
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for char in value:
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if char != '_' and not char.isalnum():
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raise vol.Invalid(u"IDs must only consist of upper/lowercase characters and numbers."
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u"The character '{}' cannot be used".format(char))
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if value in RESERVED_IDS:
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raise vol.Invalid(u"ID {} is reserved internally and cannot be used".format(value))
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return value
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def use_variable_id(type):
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def validator(value):
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if value is None:
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return core.ID(None, is_declaration=False, type=type)
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return core.ID(variable_id_str_(value), is_declaration=False, type=type)
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return validator
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def declare_variable_id(type):
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def validator(value):
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if value is None:
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return core.ID(None, is_declaration=True, type=type)
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return core.ID(variable_id_str_(value), is_declaration=True, type=type)
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return validator
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def templatable(other_validators):
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def validator(value):
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if isinstance(value, Lambda):
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return value
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if isinstance(other_validators, dict):
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return vol.Schema(other_validators)(value)
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return other_validators(value)
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return validator
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def only_on(platforms):
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if not isinstance(platforms, list):
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platforms = [platforms]
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def validator_(obj):
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if core.ESP_PLATFORM not in platforms:
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raise vol.Invalid(u"This feature is only available on {}".format(platforms))
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return obj
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return validator_
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only_on_esp32 = only_on(ESP_PLATFORM_ESP32)
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only_on_esp8266 = only_on(ESP_PLATFORM_ESP8266)
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# Adapted from:
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# https://github.com/alecthomas/voluptuous/issues/115#issuecomment-144464666
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def has_at_least_one_key(*keys):
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"""Validate that at least one key exists."""
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def validate(obj):
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"""Test keys exist in dict."""
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if not isinstance(obj, dict):
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raise vol.Invalid('expected dictionary')
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if not any(k in keys for k in obj):
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raise vol.Invalid('Must contain at least one of {}.'.format(', '.join(keys)))
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return obj
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return validate
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def has_exactly_one_key(*keys):
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def validate(obj):
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if not isinstance(obj, dict):
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raise vol.Invalid('expected dictionary')
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number = sum(k in keys for k in obj)
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if number > 1:
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raise vol.Invalid("Cannot specify more than one of {}.".format(', '.join(keys)))
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if number < 1:
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raise vol.Invalid('Must contain exactly one of {}.'.format(', '.join(keys)))
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return obj
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return validate
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def has_at_most_one_key(*keys):
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def validate(obj):
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if not isinstance(obj, dict):
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raise vol.Invalid('expected dictionary')
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number = sum(k in keys for k in obj)
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if number > 1:
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raise vol.Invalid("Cannot specify more than one of {}.".format(', '.join(keys)))
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return obj
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return validate
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TIME_PERIOD_ERROR = "Time period {} should be format number + unit, for example 5ms, 5s, 5min, 5h"
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time_period_dict = vol.All(
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dict, vol.Schema({
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'days': vol.Coerce(float),
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'hours': vol.Coerce(float),
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'minutes': vol.Coerce(float),
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'seconds': vol.Coerce(float),
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'milliseconds': vol.Coerce(float),
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'microseconds': vol.Coerce(float),
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}),
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has_at_least_one_key('days', 'hours', 'minutes',
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'seconds', 'milliseconds', 'microseconds'),
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lambda value: TimePeriod(**value))
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def time_period_str_colon(value):
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"""Validate and transform time offset with format HH:MM[:SS]."""
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if isinstance(value, int):
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raise vol.Invalid('Make sure you wrap time values in quotes')
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elif not isinstance(value, str):
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raise vol.Invalid(TIME_PERIOD_ERROR.format(value))
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try:
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parsed = [int(x) for x in value.split(':')]
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except ValueError:
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raise vol.Invalid(TIME_PERIOD_ERROR.format(value))
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if len(parsed) == 2:
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hour, minute = parsed
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second = 0
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elif len(parsed) == 3:
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hour, minute, second = parsed
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else:
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raise vol.Invalid(TIME_PERIOD_ERROR.format(value))
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return TimePeriod(hours=hour, minutes=minute, seconds=second)
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def time_period_str_unit(value):
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"""Validate and transform time period with time unit and integer value."""
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if isinstance(value, int):
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raise vol.Invalid("Don't know what '{}' means as it has no time *unit*! Did you mean "
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"'{}s'?".format(value, value))
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elif not isinstance(value, (str, unicode)):
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raise vol.Invalid("Expected string for time period with unit.")
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unit_to_kwarg = {
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'us': 'microseconds',
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'microseconds': 'microseconds',
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'ms': 'milliseconds',
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'milliseconds': 'milliseconds',
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's': 'seconds',
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'sec': 'seconds',
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'seconds': 'seconds',
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'min': 'minutes',
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'minutes': 'minutes',
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'h': 'hours',
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'hours': 'hours',
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'd': 'days',
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'days': 'days',
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}
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match = re.match(r"^([-+]?[0-9]*\.?[0-9]*)\s*(\w*)$", value)
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if match is None or match.group(2) not in unit_to_kwarg:
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raise vol.Invalid(u"Expected time period with unit, "
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u"got {}".format(value))
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kwarg = unit_to_kwarg[match.group(2)]
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return TimePeriod(**{kwarg: float(match.group(1))})
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def time_period_in_milliseconds_(value):
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if value.microseconds is not None and value.microseconds != 0:
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raise vol.Invalid("Maximum precision is milliseconds")
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return TimePeriodMilliseconds(**value.as_dict())
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def time_period_in_microseconds_(value):
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return TimePeriodMicroseconds(**value.as_dict())
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def time_period_in_seconds_(value):
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if value.microseconds is not None and value.microseconds != 0:
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raise vol.Invalid("Maximum precision is seconds")
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if value.milliseconds is not None and value.milliseconds != 0:
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raise vol.Invalid("Maximum precision is seconds")
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return TimePeriodSeconds(**value.as_dict())
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def update_interval(value):
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if value == 'never':
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return 4294967295 # uint32_t max
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return positive_time_period_milliseconds(value)
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time_period = vol.Any(time_period_str_unit, time_period_str_colon, time_period_dict)
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positive_time_period = vol.All(time_period, vol.Range(min=TimePeriod()))
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positive_time_period_milliseconds = vol.All(positive_time_period, time_period_in_milliseconds_)
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positive_time_period_seconds = vol.All(positive_time_period, time_period_in_seconds_)
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time_period_microseconds = vol.All(time_period, time_period_in_microseconds_)
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positive_time_period_microseconds = vol.All(positive_time_period, time_period_in_microseconds_)
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positive_not_null_time_period = vol.All(time_period,
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vol.Range(min=TimePeriod(), min_included=False))
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def mac_address(value):
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value = string_strict(value)
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parts = value.split(':')
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if len(parts) != 6:
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raise vol.Invalid("MAC Address must consist of 6 : (colon) separated parts")
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parts_int = []
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if any(len(part) != 2 for part in parts):
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raise vol.Invalid("MAC Address must be format XX:XX:XX:XX:XX:XX")
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for part in parts:
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try:
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parts_int.append(int(part, 16))
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except ValueError:
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raise vol.Invalid("MAC Address parts must be hexadecimal values from 00 to FF")
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return core.MACAddress(*parts_int)
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def uuid(value):
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return vol.Coerce(uuid_.UUID)(value)
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METRIC_SUFFIXES = {
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'E': 1e18, 'P': 1e15, 'T': 1e12, 'G': 1e9, 'M': 1e6, 'k': 1e3, 'da': 10, 'd': 1e-1,
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'c': 1e-2, 'm': 0.001, u'µ': 1e-6, 'u': 1e-6, 'n': 1e-9, 'p': 1e-12, 'f': 1e-15, 'a': 1e-18,
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'': 1
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}
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def float_with_unit(quantity, regex_suffix):
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pattern = re.compile(r"^([-+]?[0-9]*\.?[0-9]*)\s*(\w*?)" + regex_suffix + "$")
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def validator(value):
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match = pattern.match(string(value))
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if match is None:
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raise vol.Invalid(u"Expected {} with unit, got {}".format(quantity, value))
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mantissa = float(match.group(1))
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if match.group(2) not in METRIC_SUFFIXES:
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raise vol.Invalid(u"Invalid {} suffix {}".format(quantity, match.group(2)))
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multiplier = METRIC_SUFFIXES[match.group(2)]
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return mantissa * multiplier
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return validator
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frequency = float_with_unit("frequency", r"(Hz|HZ|hz)?")
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resistance = float_with_unit("resistance", r"(Ω|Ω|ohm|Ohm|OHM)?")
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current = float_with_unit("current", r"(a|A|amp|Amp|amps|Amps|ampere|Ampere)?")
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voltage = float_with_unit("voltage", r"(v|V|volt|Volts)?")
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def validate_bytes(value):
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value = string(value)
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match = re.match(r"^([0-9]+)\s*(\w*?)(?:byte|B|b)?s?$", value)
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if match is None:
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raise vol.Invalid(u"Expected number of bytes with unit, got {}".format(value))
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mantissa = int(match.group(1))
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if match.group(2) not in METRIC_SUFFIXES:
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raise vol.Invalid(u"Invalid metric suffix {}".format(match.group(2)))
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multiplier = METRIC_SUFFIXES[match.group(2)]
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if multiplier < 1:
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raise vol.Invalid(u"Only suffixes with positive exponents are supported. "
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u"Got {}".format(match.group(2)))
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return int(mantissa * multiplier)
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def hostname(value):
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value = string(value)
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if len(value) > 63:
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raise vol.Invalid("Hostnames can only be 63 characters long")
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for c in value:
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if not (c.isalnum() or c in '_-'):
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raise vol.Invalid("Hostname can only have alphanumeric characters and _ or -")
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return value
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def domain_name(value):
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value = string(value)
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if not value.startswith('.'):
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raise vol.Invalid("Domain name must start with .")
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if value.startswith('..'):
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raise vol.Invalid("Domain name must start with single .")
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for c in value:
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if not (c.isalnum() or c in '._-'):
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raise vol.Invalid("Domain name can only have alphanumeric characters and _ or -")
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return value
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def ssid(value):
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if value is None:
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raise vol.Invalid("SSID can not be None")
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if not isinstance(value, str):
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raise vol.Invalid("SSID must be a string. Did you wrap it in quotes?")
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if not value:
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raise vol.Invalid("SSID can't be empty.")
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if len(value) > 31:
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raise vol.Invalid("SSID can't be longer than 31 characters")
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return value
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def ipv4(value):
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if isinstance(value, list):
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parts = value
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elif isinstance(value, str):
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parts = value.split('.')
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else:
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raise vol.Invalid("IPv4 address must consist of either string or "
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"integer list")
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if len(parts) != 4:
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raise vol.Invalid("IPv4 address must consist of four point-separated "
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"integers")
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parts_ = list(map(int, parts))
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if not all(0 <= x < 256 for x in parts_):
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raise vol.Invalid("IPv4 address parts must be in range from 0 to 255")
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return IPAddress(*parts_)
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def _valid_topic(value):
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"""Validate that this is a valid topic name/filter."""
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if isinstance(value, dict):
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raise vol.Invalid("Can't use dictionary with topic")
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value = string(value)
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try:
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raw_value = value.encode('utf-8')
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except UnicodeError:
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raise vol.Invalid("MQTT topic name/filter must be valid UTF-8 string.")
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if not raw_value:
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raise vol.Invalid("MQTT topic name/filter must not be empty.")
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if len(raw_value) > 65535:
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raise vol.Invalid("MQTT topic name/filter must not be longer than "
|
|
"65535 encoded bytes.")
|
|
if '\0' in value:
|
|
raise vol.Invalid("MQTT topic name/filter must not contain null "
|
|
"character.")
|
|
return value
|
|
|
|
|
|
def subscribe_topic(value):
|
|
"""Validate that we can subscribe using this MQTT topic."""
|
|
value = _valid_topic(value)
|
|
for i in (i for i, c in enumerate(value) if c == '+'):
|
|
if (i > 0 and value[i - 1] != '/') or \
|
|
(i < len(value) - 1 and value[i + 1] != '/'):
|
|
raise vol.Invalid("Single-level wildcard must occupy an entire "
|
|
"level of the filter")
|
|
|
|
index = value.find('#')
|
|
if index != -1:
|
|
if index != len(value) - 1:
|
|
# If there are multiple wildcards, this will also trigger
|
|
raise vol.Invalid("Multi-level wildcard must be the last "
|
|
"character in the topic filter.")
|
|
if len(value) > 1 and value[index - 1] != '/':
|
|
raise vol.Invalid("Multi-level wildcard must be after a topic "
|
|
"level separator.")
|
|
|
|
return value
|
|
|
|
|
|
def publish_topic(value):
|
|
"""Validate that we can publish using this MQTT topic."""
|
|
value = _valid_topic(value)
|
|
if '+' in value or '#' in value:
|
|
raise vol.Invalid("Wildcards can not be used in topic names")
|
|
return value
|
|
|
|
|
|
def mqtt_payload(value):
|
|
if value is None:
|
|
return ''
|
|
return string(value)
|
|
|
|
|
|
def mqtt_qos(value):
|
|
try:
|
|
value = int(value)
|
|
except (TypeError, ValueError):
|
|
raise vol.Invalid(u"MQTT Quality of Service must be integer, got {}".format(value))
|
|
return one_of(0, 1, 2)(value)
|
|
|
|
|
|
uint8_t = vol.All(int_, vol.Range(min=0, max=255))
|
|
uint16_t = vol.All(int_, vol.Range(min=0, max=65535))
|
|
uint32_t = vol.All(int_, vol.Range(min=0, max=4294967295))
|
|
hex_uint8_t = vol.All(hex_int, vol.Range(min=0, max=255))
|
|
hex_uint16_t = vol.All(hex_int, vol.Range(min=0, max=65535))
|
|
hex_uint32_t = vol.All(hex_int, vol.Range(min=0, max=4294967295))
|
|
i2c_address = hex_uint8_t
|
|
|
|
|
|
def percentage(value):
|
|
has_percent_sign = isinstance(value, (str, unicode)) and value.endswith('%')
|
|
if has_percent_sign:
|
|
value = float(value[:-1].rstrip()) / 100.0
|
|
if value > 1:
|
|
msg = "Percentage must not be higher than 100%."
|
|
if not has_percent_sign:
|
|
msg += " Please don't put to put a percent sign after the number!"
|
|
raise vol.Invalid(msg)
|
|
return zero_to_one_float(value)
|
|
|
|
|
|
def percentage_int(value):
|
|
if isinstance(value, (str, unicode)) and value.endswith('%'):
|
|
value = int(value[:-1].rstrip())
|
|
return value
|
|
|
|
|
|
def invalid(message):
|
|
def validator(value):
|
|
raise vol.Invalid(message)
|
|
|
|
return validator
|
|
|
|
|
|
def valid(value):
|
|
return value
|
|
|
|
|
|
def one_of(*values):
|
|
options = u', '.join(u"'{}'".format(x) for x in values)
|
|
|
|
def validator(value):
|
|
if value not in values:
|
|
raise vol.Invalid(u"Unknown value '{}', must be one of {}".format(value, options))
|
|
return value
|
|
|
|
return validator
|
|
|
|
|
|
def lambda_(value):
|
|
if isinstance(value, Lambda):
|
|
return value
|
|
return Lambda(string_strict(value))
|
|
|
|
|
|
def dimensions(value):
|
|
if isinstance(value, list):
|
|
if len(value) != 2:
|
|
raise vol.Invalid(u"Dimensions must have a length of two, not {}".format(len(value)))
|
|
try:
|
|
width, height = int(value[0]), int(value[1])
|
|
except ValueError:
|
|
raise vol.Invalid(u"Width and height dimensions must be integers")
|
|
if width <= 0 or height <= 0:
|
|
raise vol.Invalid(u"Width and height must at least be 1")
|
|
return [width, height]
|
|
value = string(value)
|
|
match = re.match(r"\s*([0-9]+)\s*[xX]\s*([0-9]+)\s*", value)
|
|
if not match:
|
|
raise vol.Invalid(u"Invalid value '{}' for dimensions. Only WIDTHxHEIGHT is allowed.")
|
|
return dimensions([match.group(1), match.group(2)])
|
|
|
|
|
|
def directory(value):
|
|
value = string(value)
|
|
path = helpers.relative_path(value)
|
|
if not os.path.exists(path):
|
|
raise vol.Invalid(u"Could not find directory '{}'. Please make sure it exists.".format(
|
|
path))
|
|
if not os.path.isdir(path):
|
|
raise vol.Invalid(u"Path '{}' is not a directory.".format(path))
|
|
return value
|
|
|
|
|
|
def file_(value):
|
|
value = string(value)
|
|
path = helpers.relative_path(value)
|
|
if not os.path.exists(path):
|
|
raise vol.Invalid(u"Could not find file '{}'. Please make sure it exists.".format(
|
|
path))
|
|
if not os.path.isfile(path):
|
|
raise vol.Invalid(u"Path '{}' is not a file.".format(path))
|
|
return value
|
|
|
|
|
|
REGISTERED_IDS = set()
|
|
|
|
|
|
class GenerateID(vol.Optional):
|
|
def __init__(self, key=CONF_ID):
|
|
super(GenerateID, self).__init__(key, default=lambda: None)
|
|
|
|
|
|
def nameable(*schemas):
|
|
def validator(config):
|
|
config = vol.All(*schemas)(config)
|
|
if CONF_NAME not in config and CONF_ID not in config:
|
|
raise vol.Invalid("At least one of 'id:' or 'name:' is required!")
|
|
if CONF_NAME not in config:
|
|
id = config[CONF_ID]
|
|
if not id.is_manual:
|
|
raise vol.Invalid("At least one of 'id:' or 'name:' is required!")
|
|
config[CONF_NAME] = id.id
|
|
config[CONF_INTERNAL] = True
|
|
return config
|
|
return config
|
|
|
|
return validator
|
|
|
|
|
|
PLATFORM_SCHEMA = vol.Schema({
|
|
vol.Required(CONF_PLATFORM): valid,
|
|
})
|
|
|
|
MQTT_COMPONENT_AVAILABILITY_SCHEMA = vol.Schema({
|
|
vol.Required(CONF_TOPIC): subscribe_topic,
|
|
vol.Optional(CONF_PAYLOAD_AVAILABLE, default='online'): mqtt_payload,
|
|
vol.Optional(CONF_PAYLOAD_NOT_AVAILABLE, default='offline'): mqtt_payload,
|
|
})
|
|
|
|
MQTT_COMPONENT_SCHEMA = vol.Schema({
|
|
vol.Optional(CONF_NAME): string,
|
|
vol.Optional(CONF_RETAIN): boolean,
|
|
vol.Optional(CONF_DISCOVERY): boolean,
|
|
vol.Optional(CONF_STATE_TOPIC): publish_topic,
|
|
vol.Optional(CONF_AVAILABILITY): vol.Any(None, MQTT_COMPONENT_AVAILABILITY_SCHEMA),
|
|
vol.Optional(CONF_INTERNAL): boolean,
|
|
})
|
|
|
|
MQTT_COMMAND_COMPONENT_SCHEMA = MQTT_COMPONENT_SCHEMA.extend({
|
|
vol.Optional(CONF_COMMAND_TOPIC): subscribe_topic,
|
|
})
|