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-rw-r--r--module/lib/SafeEval.py47
1 files changed, 0 insertions, 47 deletions
diff --git a/module/lib/SafeEval.py b/module/lib/SafeEval.py
deleted file mode 100644
index 8fc57f261..000000000
--- a/module/lib/SafeEval.py
+++ /dev/null
@@ -1,47 +0,0 @@
-## {{{ http://code.activestate.com/recipes/286134/ (r3) (modified)
-import dis
-
-_const_codes = map(dis.opmap.__getitem__, [
- 'POP_TOP','ROT_TWO','ROT_THREE','ROT_FOUR','DUP_TOP',
- 'BUILD_LIST','BUILD_MAP','BUILD_TUPLE',
- 'LOAD_CONST','RETURN_VALUE','STORE_SUBSCR'
- ])
-
-
-_load_names = ['False', 'True', 'null', 'true', 'false']
-
-_locals = {'null': None, 'true': True, 'false': False}
-
-def _get_opcodes(codeobj):
- i = 0
- opcodes = []
- s = codeobj.co_code
- names = codeobj.co_names
- while i < len(s):
- code = ord(s[i])
- opcodes.append(code)
- if code >= dis.HAVE_ARGUMENT:
- i += 3
- else:
- i += 1
- return opcodes, names
-
-def test_expr(expr, allowed_codes):
- try:
- c = compile(expr, "", "eval")
- except:
- raise ValueError, "%s is not a valid expression" % expr
- codes, names = _get_opcodes(c)
- for code in codes:
- if code not in allowed_codes:
- for n in names:
- if n not in _load_names:
- raise ValueError, "opcode %s not allowed" % dis.opname[code]
- return c
-
-
-def const_eval(expr):
- c = test_expr(expr, _const_codes)
- return eval(c, None, _locals)
-
-## end of http://code.activestate.com/recipes/286134/ }}}