|
| 1 | +"""A more or less complete user-defined wrapper around dictionary objects.""" |
| 2 | + |
| 3 | +import riscos |
| 4 | + |
| 5 | +class _Environ: |
| 6 | + def __init__(self): |
| 7 | + pass |
| 8 | + def __repr__(self): |
| 9 | + return repr(riscos.getenvdict()) |
| 10 | + def __cmp__(self, dict): |
| 11 | + if isinstance(dict, UserDict): |
| 12 | + return cmp(riscos.getenvdict(), dict) |
| 13 | + def __len__(self): |
| 14 | + return len(riscos.getenvdict()) |
| 15 | + def __getitem__(self, key): |
| 16 | + ret = riscos.getenv(key) |
| 17 | + if ret<>None: |
| 18 | + return ret |
| 19 | + else: |
| 20 | + raise KeyError |
| 21 | + def __setitem__(self, key, item): |
| 22 | + riscos.setenv(key, item) |
| 23 | + def __delitem__(self, key): |
| 24 | + riscos.delenv(key) |
| 25 | + def clear(self): |
| 26 | + # too dangerous on RISC OS |
| 27 | + pass |
| 28 | + def copy(self): |
| 29 | + return riscos.getenvdict() |
| 30 | + def keys(self): return riscos.getenvdict().keys() |
| 31 | + def items(self): return riscos.getenvdict().items() |
| 32 | + def values(self): return riscos.getenvdict().values() |
| 33 | + def has_key(self, key): |
| 34 | + value = riscos.getenv(key) |
| 35 | + return value<>None |
| 36 | + def update(self, dict): |
| 37 | + for k, v in dict.items(): |
| 38 | + riscos.putenv(k, v) |
| 39 | + def get(self, key, failobj=None): |
| 40 | + value = riscos.getenv(key) |
| 41 | + if value<>None: |
| 42 | + return value |
| 43 | + else: |
| 44 | + return failobj |
| 45 | + |
| 46 | +environ = _Environ() |
0 commit comments