str().join() isn't working

[Robert Dailey]

Hi all,

Thanks for your response. I figured out the issue. I was using
list.append() to append another list, when I should have been using
expand(). Sorry for the confusion.

On 8/20/07, kyosohma at gmail.com <kyosohma at gmail.com> wrote:
> On Aug 20, 1:16 pm, "Robert Dailey" <rcdai... at gmail.com> wrote:
> > here is a more realized example of the lists I'm trying to join:
> >
> > _user_includes = [
> >         "../src",
> >         "../resource",
> >         "../inc",
> >         "../src",
> >         "../data",
> >         "../gui",
> >         "../script",
> >         "../script/actions",
> >         "../gui/dispatch",
> >         "../gui/factories",
> >         "../gui/frames",
> >         "../gui/getters",
> >         "../gui/localization",
> >         "../gui/player",
> >         "../gui/setters",
> >         "../gui/utilities",
> >         "../sis",
> >         "../player",
> >         "../platform/ngi",
> >         "../../engine",
> >         "../../engine/audio/NGI",
> >         "../../engine/io",
> >         "../../engine/io\NGI",
> >         "../../engine/math",
> >         "../../engine/math/fixed",
> >         "../../engine/path/NGI",
> >         "../../engine/text/NGI",
> >         "../../engine/mem",
> >         "../../engine/text",
> >         "../../engine/observer",
> >         "../../sdk/tiny_xml",
> >         "../../sdk/zlib",
> >         "../../sdk/lpng",
> >         "../../sdk/IFDLib/Source/Precompile",
> >         "../../sdk/IFDLib/Source/CoreLib",
> >         "../../sdk/IFDLib/inc",
> >         "../../sdk/IFDLib/Source/UtilLib",
> >         "../../sdk/IFDLib/Source/GameLib",
> >         "../../sdk/IFDlib/Source/OSLib/_NGI",
> >         "../../sdk/stl-port/NGI",
> >         "../../sdk/mini-boost/NGI",
> >         "../../sdk/mini-boost/COMMON",
> >         ]
> >
> > _system_includes = [
> >         "../../../../../../Symbian/9.1/NGAGE_SDK_1.1/EPOC32/include",
> >         "../../../../../../Symbian/9.1/NGAGE_SDK_1.1/EPOC32/include/osextensions/rga",
> >         "../../../../../../Symbian/9.1/NGAGE_SDK_1.1/EPOC32/include/osextensions/stdapis",
> >         "../../../../../../Symbian/9.1/NGAGE_SDK_1.1/EPOC32/include/osextensions/stdapis/stlport",
> >         "../../../../../../Symbian/9.1/NGAGE_SDK_1.1/epoc32/include/variant"
> >         ]
> >
> > On 8/20/07, Robert Dailey <rcdai... at gmail.com> wrote:
> >
> > > Hi,
> >
> > > First have a look at the following code:
> >
> > > In main.py:
> > > -----------------------------------------------------------------------------------
> > >     space = " "
> >
> > >     includes = space.join ( system._user_includes ) + " " + space.join(
> > > system._system_includes )
> >
> > > In system.py:
> > > -----------------------------------------------------------------------------------
> > > _user_includes = [
> > >     ]
> >
> > > _system_includes = [
> > >     ]
> >
> > > The above does not work. The interpreter states: "TypeError: sequence item
> > > 0: expected string, list found". I'm not sure what this means. Can anyone
> > > help me figure out what I'm doing wrong? Thanks.
> >
> > > PS: I've also tried putting strings in the lists above just to make sure
> > > that them being empty wasn't the problem. I got no different results.
>
> When you use join, you join the items in the list with each other to
> form one long string. In your statement, your script tries to
> concatenate 2 lists to each other before it does the join, which is
> impossible in Python. The "+" operator is only for addition and for
> two or more strings.
>
> See http://www.faqs.org/docs/diveintopython/odbchelper_join.html for
> more information on joins.
>
> Mike
>
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