Re: easy install
Robert Kern wrote:
> On 2009-10-09 19:08 PM, David Robinow wrote:
>> On Fri, Oct 9, 2009 at 5:02 PM, Ethan Furman<firstname.lastname@example.org> wrote:
>>> A puzzlement:
>>> I used easy_install the other day to get xlutils on my system. It
>>> automatically installed xlrd and xlwt as well. This is cool. What's
>>> not so
>>> cool are my tracebacks. E.g.
>>> Python 2.5.4 (r254:67916, Dec 23 2008, 15:10:54) [MSC v.1310 32 bit
>>> on win32
>>> Type "help", "copyright", "credits" or "license" for more information.
>>> --> import xlwt
>>> --> xlwt.__name__
>>> --> xlwt.__file__
>>> --> xlwt.Workbook().save('non-file')
>>> Traceback (most recent call last):
>>> File "<stdin>", line 1, in<module>
>>> line 634, in save
>>> line 615, in get_biff_data
>>> IndexError: list index out of range
>>> Anyone know why that is?
>> You can't save a workbook with no worksheets.
>> W = xlwt.Workbook()
> I think he's asking why the exception message does not have the source
> lines in the traceback, like exceptions inside regularly installed
> The answer is that once files are zipped, like the egg that you have
> installed, the traceback printing function in C does not know how to get
> at the source files any more. The traceback printing function in the
> pure Python traceback module does, though. Try this:
> >>> import sys
> >>> import traceback
> >>> sys.excepthook = traceback.print_exception
Good to know, thank you.
Besides missing the source lines, I was also wondering why the path in
the traceback is showing incorrectly; I have the egg in
c:\python25\Lib\site-packages, not where the trackback says I have it.
In an effort to get it looking right, as well as to get the missing
source lines, I broke the egg and copied the xlwt folder out of it and
directly into site-packages -- everything (except the trackbacks, grrr)
still worked, leaving me as mystified as ever.
Any light to shed on that strangeness?
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