[Michael Hudson]
> I've just submitted http://python.org/sf/1180995 which adds format
> codes for binary marshalling of floats if version > 1, but it doesn't
> quite have the effect I expected (see below):
> >>> inf = 1e308*1e308
> >>> nan = inf/inf
> >>> marshal.dumps(nan, 2)
> Traceback (most re
I've just submitted http://python.org/sf/1180995 which adds format
codes for binary marshalling of floats if version > 1, but it doesn't
quite have the effect I expected (see below):
>>> inf = 1e308*1e308
>>> nan = inf/inf
>>> marshal.dumps(nan, 2)
Traceback (most recent call last):
File "", lin
Fredrik Lundh wrote:
> I was under the impression that the marshal format has been stable for
> quite a long time (people are using it for various RPC protocols, among
> other things). I might be wrong.
Python 2.4 introduced support for string sharing in marshal files, with
an option to suppress
Hi Greg,
On Fri, Apr 08, 2005 at 05:03:42PM +1200, Greg Ewing wrote:
> If the left and right operands are of the same class,
> and the class implements a right operand method but
> not a left operand method, the right operand method
> is not called. Instead, two attempts are made to call
> the lef
...
[mwh]
> OK, so the worst that could happen here is that moving marshal data
> from one box to another could turn one sort of NaN into another?
Right. Assuming source and destination boxes both use 754 format, and
the implementation adjusts endianess if necessary.
Heh. I have a vague half-m
Hi,
When I need to make sense of a python exception, I often need to parse the
string exception in order to retrieve the data.
Example:
try:
print foo
except NameError, e:
print e.args
symbol = e.args[0][17:-16]
==> ("NameError: name 'foo' is not defined", )
or
try:
(4).foo
except Nam
Tim Peters <[EMAIL PROTECTED]> writes:
> [Tim]
>>> The 754 standard doesn't say anything about how the difference between
>>> signaling and quiet NaNs is represented. So it's possible that a qNaN
>>> on one box would "look like" an sNaN on a different box, and vice
>>> versa. But since most peop
[Tim]
>> The 754 standard doesn't say anything about how the difference between
>> signaling and quiet NaNs is represented. So it's possible that a qNaN
>> on one box would "look like" an sNaN on a different box, and vice
>> versa. But since most people run with all FPU traps disabled, and
>> Pyt
Tim Peters <[EMAIL PROTECTED]> writes:
> The 754 standard doesn't say anything about how the difference between
> signaling and quiet NaNs is represented. So it's possible that a qNaN
> on one box would "look like" an sNaN on a different box, and vice
> versa. But since most people run with all
On Apr 11, 2005, at 12:33 AM, Fredrik Lundh wrote:
Tim Peters wrote:
[Fredrik Lundh]
is changing the marshal format really the right thing to do at this
point?
I don't see anything special about "this point" -- it's just sometime
between 2.4.1 and 2.5a0. What do you have in mind?
I was under the i
Tim Peters wrote:
> [Fredrik Lundh]
>> is changing the marshal format really the right thing to do at this
>> point?
>
> I don't see anything special about "this point" -- it's just sometime
> between 2.4.1 and 2.5a0. What do you have in mind?
I was under the impression that the marshal format ha
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