On Thu, Oct 30, 2008 at 12:02 PM, Minh Nguyen <[EMAIL PROTECTED]> wrote: > > Hi kcrisman, > > On Fri, Oct 31, 2008 at 12:22 AM, kcrisman <[EMAIL PROTECTED]> wrote: >> >>> >>> Yes. Could you please post the said link. I really want to know what >>> caused the problem you're describing. >> >> http://math.uchicago.edu/~crisman/Weird_Notebook_Behavior.sws >> >> I would try it out sagenb.org, but... :) However, I did try it on our >> departmental server (which is 3.0.4, I think) and it also blew up. >> >> Sample function which causes problems: >> >> sage: def plot_or_not(): >> ....: ''' >> ....: What's up with this? x^3 >> ....: ''' >> ....: f(x)=x^3 >> ------------------------------------------------------------ >> File "<ipython console>", line 5 >> SyntaxError: can't assign to function call (<ipython console>, line 5) >> >> Experimentation reveals that the apostrophe is causing the trouble. >> As you can see, I now have had time to try this in the console, as >> well as the other problems on the linked worksheet, so I'm baffled. >> >> I hope it's not my architecture - PPC OSX.4. > > OK, here's my experimentation from within the console sage-3.1.4, x86 > machine, Debian 5.0 Lenny (testing): > > Yep, I received a similar error as you described: > > sage: def foo(): > ....: ''' > ....: What's up with this? x^3 > ....: ''' > ....: f(x) = x^3 > ------------------------------------------------------------ > File "<ipython console>", line 5 > SyntaxError: can't assign to function call (<ipython console>, line 5) > > John's suggestion about replacing the ''' with r''' results in the same error: > > sage: def foo(): > ....: r''' > ....: What's up with this? x^3 > ....: ''' > ....: f(x) = x^3 > ------------------------------------------------------------ > File "<ipython console>", line 5 > SyntaxError: can't assign to function call (<ipython console>, line 5) > > As Simon has said, the error seems to go away when I used triple " > (double quotation mark, not single quotation mark), which I normally > do anyway whenever I write docstring. But using triple ''' with or > without the leading r, and with or without the question mark, resulted > in a siimilar error: > > sage: def foo(): > ....: ''' > ....: What's up with this? x^3 > ....: ''' > ....: f(x) = x^3 > ------------------------------------------------------------ > File "<ipython console>", line 5 > SyntaxError: can't assign to function call (<ipython console>, line 5) > > sage: def foo(): > ....: r''' > ....: What's up here x^3 > ....: ''' > ....: f(x) = x^3 > ------------------------------------------------------------ > File "<ipython console>", line 5 > SyntaxError: can't assign to function call (<ipython console>, line 5) > > -- > Regards > Minh Van Nguyen
Can you make a trac ticket with the above info? It should be enough to make it "easy" for somebody to fix the problem, which is surely a bug in the Sage preparser (and is surely my fault). -- William --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
