| 104 | |
| 105 | |
| 106 | class KeyValueLookup(BaseKeyValueLookup): |
| 107 | |
| 108 | scope = SYSTEM_SCOPE |
| 109 | |
| 110 | def __init__( |
| 111 | self, |
| 112 | prefix=None, |
| 113 | key_prefix=None, |
| 114 | cache=None, |
| 115 | scope=FULL_SYSTEM_SCOPE, |
| 116 | context=None, |
| 117 | ): |
| 118 | if not scope: |
| 119 | scope = FULL_SYSTEM_SCOPE |
| 120 | |
| 121 | if scope == SYSTEM_SCOPE: |
| 122 | scope = FULL_SYSTEM_SCOPE |
| 123 | |
| 124 | self._prefix = prefix |
| 125 | self._key_prefix = key_prefix or "" |
| 126 | self._value_cache = cache or {} |
| 127 | self._scope = scope |
| 128 | |
| 129 | self._context = context if context else dict() |
| 130 | self._user = ( |
| 131 | context["user"] |
| 132 | if context and "user" in context and context["user"] |
| 133 | else cfg.CONF.system_user.user |
| 134 | ) |
| 135 | self._user = ( |
| 136 | context["api_user"] |
| 137 | if context and "api_user" in context and context["api_user"] |
| 138 | else self._user |
| 139 | ) |
| 140 | |
| 141 | def __str__(self): |
| 142 | return self._value_cache[self._key_prefix] |
| 143 | |
| 144 | def __int__(self): |
| 145 | return int(float(self)) |
| 146 | |
| 147 | def __float__(self): |
| 148 | return float(str(self)) |
| 149 | |
| 150 | def __getitem__(self, key): |
| 151 | return self._get(key) |
| 152 | |
| 153 | def __getattr__(self, name): |
| 154 | return self._get(name) |
| 155 | |
| 156 | def _get(self, name): |
| 157 | # get the value for this key and save in value_cache |
| 158 | if self._key_prefix: |
| 159 | key = "%s.%s" % (self._key_prefix, name) |
| 160 | else: |
| 161 | key = name |
| 162 | |
| 163 | if self._prefix: |
no outgoing calls