| """A more or less complete user-defined wrapper around dictionary objects.""" |
| |
| import riscos |
| |
| class _Environ: |
| def __init__(self, initial = None): |
| pass |
| def __repr__(self): |
| return repr(riscos.getenvdict()) |
| def __cmp__(self, dict): |
| if isinstance(dict, UserDict): |
| return cmp(riscos.getenvdict(), dict) |
| def __len__(self): |
| return len(riscos.getenvdict()) |
| def __getitem__(self, key): |
| ret = riscos.getenv(key) |
| if ret<>None: |
| return ret |
| else: |
| raise KeyError |
| def __setitem__(self, key, item): |
| riscos.setenv(key, item) |
| def __delitem__(self, key): |
| riscos.delenv(key) |
| def clear(self): |
| # too dangerous on RISC OS |
| pass |
| def copy(self): |
| return riscos.getenvdict() |
| def keys(self): return riscos.getenvdict().keys() |
| def items(self): return riscos.getenvdict().items() |
| def values(self): return riscos.getenvdict().values() |
| def has_key(self, key): |
| value = riscos.getenv(key) |
| return value<>None |
| def update(self, dict): |
| for k, v in dict.items(): |
| riscos.putenv(k, v) |
| def get(self, key, failobj=None): |
| value = riscos.getenv(key) |
| if value<>None: |
| return value |
| else: |
| return failobj |
| |