On May 4, 1:17 am, Leo Kislov <[EMAIL PROTECTED]> wrote: > On May 3, 2:54 pm, "Martin v. Löwis" <[EMAIL PROTECTED]> wrote: > > > > > >>> "import site failed" > > >>> OverflowError: signed integer is greater than the maximum. > > >> - what is the value of ival? > > > ival: 4294967295 > > > I see. This is 0xFFFFFFFF, which would be -1 if it were of type > > int. So perhaps some value got cast incorrectly at some point, > > breaking subsequent computations > > > >> - where does that number come from? > > > > It is coming from the call to PyInt_AsLong. In that function there is > > > a call to: > > > PyInt_AS_LONG((PyIntObject*)op) > > > which returns the value of ival. > > > That was not my question, really. I wanted to know where the object > > whose AsLong value was taken came from. And before you say "it's > > in the arg parameter" of convertsimple() - sure it is. However, how > > did it get there? It's in an argument tuple - and where came > > that from? > > Looking at the call stack OP posted, -1 is coming as forth parameter > of > __import__, I *guess* at the first import in site.py or at implicit > "import site". I think it'd be helpful if OP also tried if it works: > python -S -c -v "print -1, type(-1), id(0), id(-1)" > > -- Leo
Here is the output, along with my printf statements that show the call stack: builtin___import__ PyArg_ParseTupleAndKeywords vgetargskeywords: positional arg: 0 convertitem vgetargskeywords: positional arg: 1 convertitem vgetargskeywords: positional arg: 2 convertitem vgetargskeywords: positional arg: 3 convertitem builtin___import__ PyArg_ParseTupleAndKeywords vgetargskeywords: positional arg: 0 convertitem vgetargskeywords: positional arg: 1 convertitem vgetargskeywords: positional arg: 2 convertitem vgetargskeywords: positional arg: 3 convertitem BRAD 20 PyArg_ParseTupleAndKeywords vgetargskeywords: positional arg: 0 convertitem vgetargskeywords: positional arg: 1 convertitem vgetargskeywords: positional arg: 2 convertitem builtin___import__ PyArg_ParseTupleAndKeywords vgetargskeywords: positional arg: 0 convertitem vgetargskeywords: positional arg: 1 convertitem vgetargskeywords: positional arg: 2 convertitem vgetargskeywords: positional arg: 3 convertitem builtin___import__ PyArg_ParseTupleAndKeywords vgetargskeywords: positional arg: 0 convertitem vgetargskeywords: positional arg: 1 convertitem vgetargskeywords: positional arg: 2 convertitem vgetargskeywords: positional arg: 3 convertitem convertitem convertitem convertitem convertitem builtin___import__ PyArg_ParseTupleAndKeywords vgetargskeywords: positional arg: 0 convertitem vgetargskeywords: positional arg: 1 convertitem vgetargskeywords: positional arg: 2 convertitem vgetargskeywords: positional arg: 3 convertitem vgetargskeywords: positional arg: 4 convertitem ival: 4294967295 builtin___import__ PyArg_ParseTupleAndKeywords vgetargskeywords: positional arg: 0 convertitem vgetargskeywords: positional arg: 1 convertitem vgetargskeywords: positional arg: 2 convertitem vgetargskeywords: positional arg: 3 convertitem vgetargskeywords: positional arg: 4 convertitem ival: 4294967295 Traceback (most recent call last): File "<string>", line 1, in <module> NameError: name 'v' is not defined -- http://mail.python.org/mailman/listinfo/python-list
