On Fri, Aug 29, 2008 at 12:48 AM, Alexis Boutillier <[EMAIL PROTECTED]> wrote: > Timothy Grant a écrit : >> >> On Thu, Aug 28, 2008 at 1:40 AM, Alexis Boutillier >> <[EMAIL PROTECTED]> wrote: >>> >>> Timothy Grant a écrit : >>>> >>>> On Wed, Aug 27, 2008 at 2:49 AM, Alexis Boutillier >>>> <[EMAIL PROTECTED]> wrote: >>>>> >>>>> Hi, >>>>> >>>>> I have a strange behaviour of python with pdb and import statement. >>>>> Here is the example code : >>>>> >>>>> file my1.py: >>>>> import my2 >>>>> >>>>> file my2.py: >>>>> a=5 >>>>> toto >>>>> >>>>> I intentionnaly put a syntax error in file my2.py. >>>>> >>>>> If I run "python -i my2.py" and run pdb I got : >>>>> NameError: name 'toto' is not defined >>>>>>>> >>>>>>>> import pdb >>>>>>>> pdb.pm() >>>>> >>>>> -> toto >>>>>>>> >>>>>>>> print a >>>>> >>>>> 5 >>>>> >>>>> If I run "python -i my1.py" and run pdb I got : >>>>> NameError: name 'toto' is not defined >>>>>>>> >>>>>>>> import pdb >>>>>>>> pdb.pm() >>>>> >>>>> -> toto >>>>>>>> >>>>>>>> print a >>>>> >>>>> None >>>>> >>>>> Why can't I get access to variable a in pdb when the process generating >>>>> the >>>>> error came from an import statement ? >>>>> >>>>> With python 2.3.5, it works fine and in the two cases I get the correct >>>>> value of 5 for variable "a". >>>>> with python 2.43,2.5.1,2.5.2, it doesn't work and I get "None" value >>>>> for >>>>> variable a. >>>>> >>>>> Somebody can explain me this behaviour ? >>>>> >>>>> >>>>> Thanks. >>>>> -- >>>>> Boutillier Alexis >>>>> Methodology engineer >>>>> >>>>> Arteris SA >>>>> The Network-on-Chip Company TM >>>>> www.arteris.net >>>>> >>>>> 6 par Ariane Immeuble Mercure >>>>> 78284 Guyancourt Cedex >>>>> France >>>>> Office: (+33) 1 61 37 38 71 >>>>> Fax: (+33) 1 61 37 38 41 >>>>> [EMAIL PROTECTED] >>>>> -- >>>>> http://mail.python.org/mailman/listinfo/python-list >>>>> >>>> >>>> Because of the syntax error the module wasn't loaded. >>>> >>>> What kind of behaviour would you expect on code that has been flagged >>>> as not executable? >>>> >>> I got the same behaviour with : >>> file my2.py: >>> a=5 >>> raise SystemError,"" >>> >>> In pdb, I can't have the value of attribute a. >>> So this is not linked to the fact that it is a SyntaxError or a >>> SystemError. >>> >>> I expect to be able to have the value of all attributes that have been >>> used >>> before the error occured. >>> This is problematic because in a more complicated code, you can't have >>> the >>> value of the attribute that was used before the error occured. >>> Python know that this attribute exist, it only don't have its value. >>> other >>> attribute affected are : __name__,__doc__,__file__. >>> >>> -- >>> Boutillier Alexis >>> Methodology engineer >>> >>> Arteris SA >>> The Network-on-Chip Company TM >>> www.arteris.net >>> >>> 6 par Ariane Immeuble Mercure >>> 78284 Guyancourt Cedex >>> France >>> Office: (+33) 1 61 37 38 71 >>> Fax: (+33) 1 61 37 38 41 >>> [EMAIL PROTECTED] >>> -- >>> http://mail.python.org/mailman/listinfo/python-list >>> >> >> So if you were writing C code and the file failed to compile you would >> still expect to have a working executable that just worked up until >> the point of the syntax error? >> >> I'm not sure why you just don't fix the syntax error and move on. >> >> > > As you can see in my last response, this problem is not linked to the type > of error, If I "raise" a SystemError instead of creating a SyntaxError I > still can't access variable defined before the error. > > > -- > Boutillier Alexis > Methodology engineer > > Arteris SA > The Network-on-Chip Company TM > www.arteris.net > > 6 par Ariane Immeuble Mercure > 78284 Guyancourt Cedex > France > Office: (+33) 1 61 37 38 71 > Fax: (+33) 1 61 37 38 41 > [EMAIL PROTECTED] > -- > http://mail.python.org/mailman/listinfo/python-list >
http://docs.python.org/ref/import.html -- Stand Fast, tjg. [Timothy Grant] -- http://mail.python.org/mailman/listinfo/python-list
