diff options
| author | Guido van Rossum <guido@python.org> | 1992-04-05 14:24:32 (GMT) |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 1992-04-05 14:24:32 (GMT) |
| commit | 8dd79cf788d23bb2abdd5a6fd8557431e80cfe43 (patch) | |
| tree | 20cf339b599e59b0aa1a7280c0406bd538b2d384 /Objects/classobject.c | |
| parent | 5113f5fd346c32c98ac46d374e0b5c3dced289a6 (diff) | |
| download | cpython-8dd79cf788d23bb2abdd5a6fd8557431e80cfe43.zip cpython-8dd79cf788d23bb2abdd5a6fd8557431e80cfe43.tar.gz cpython-8dd79cf788d23bb2abdd5a6fd8557431e80cfe43.tar.bz2 | |
Don't allow assignment to attributes named __*__
Diffstat (limited to 'Objects/classobject.c')
| -rw-r--r-- | Objects/classobject.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/Objects/classobject.c b/Objects/classobject.c index a4270e0..ed0e6f4 100644 --- a/Objects/classobject.c +++ b/Objects/classobject.c @@ -1,5 +1,5 @@ /*********************************************************** -Copyright 1991 by Stichting Mathematisch Centrum, Amsterdam, The +Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The Netherlands. All Rights Reserved @@ -106,7 +106,7 @@ class_getattr(op, name) int i; for (i = 0; i < n; i++) { v = class_getattr((classobject *) - gettupleitem(op->cl_bases, i), name); + gettupleitem(op->cl_bases, i), name); if (v != NULL) return v; err_clear(); @@ -122,6 +122,13 @@ class_setattr(op, name, v) char *name; object *v; { + if (name[0] == '_' && name[1] == '_') { + int n = strlen(name); + if (name[n-1] == '_' && name[n-2] == '_') { + err_setstr(TypeError, "read-only special attribute"); + return -1; + } + } if (v == NULL) return dictremove(op->cl_methods, name); else @@ -226,6 +233,13 @@ instance_setattr(inst, name, v) char *name; object *v; { + if (name[0] == '_' && name[1] == '_') { + int n = strlen(name); + if (name[n-1] == '_' && name[n-2] == '_') { + err_setstr(TypeError, "read-only special attribute"); + return -1; + } + } if (v == NULL) return dictremove(inst->in_attr, name); else |