tbnl-devel

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865 discussions

AW: [tbnl-devel] Upload of text files
by Jaroslaw.Tomczak＠sanofi-aventis.com 05 Jul '05

05 Jul '05

Hi Edi, yes it seems to work for me. Thank you! Jaroslaw > -----Ursprüngliche Nachricht----- > Von: Edi Weitz [mailto:edi@agharta.de] > Gesendet: Dienstag, 5. Juli 2005 13:08 > An: Tomczak, Jaroslaw PH/DE > Cc: tbnl-devel(a)common-lisp.net > Betreff: Re: [tbnl-devel] Upload of text files > > > Hi! > > On Mon, 4 Jul 2005 13:24:54 +0200, > <Jaroslaw.Tomczak(a)sanofi-aventis.com> wrote: > > > I have noticed a minor problem when uploading text files with TBNL > > (version 0.5.5 + Apache 2.0.54 + mod_lisp2 + LispWorks 4.4.5, all on > > Windows 2000) -- DOS/Windows text files (CR/LF) have one empty line > > appended at the end when uploaded. Unix text files, however, are > > transferred correctly. > > Thanks for the report, I wasn't aware of this. > > > Any ideas? > > I sniffed around a bit and it looks like the problem is in the RFC > 2388 library TBNL uses. As a workaround try to replace the part of > rfc2388.lisp which looks like > > (3 ;; first dash in dash-boundary > (cond ((char= char #\-) > (enqueue-char) > (setq state 4)) > (t > (write-queued-chars) > (write-char char result) > (setq state 1)))) > > with this one: > > (3 ;; first dash in dash-boundary > (cond ((char= char #\-) > (enqueue-char) > (setq state 4)) > ((char= char #\return) > (write-queued-chars) > (enqueue-char) > (setq state 2)) > (t > (write-queued-chars) > (write-char char result) > (setq state 1)))) > > I haven't really tested if this breaks anything else but at least it > seems to get rid of your problem. Let me know if it works for you. > > I'll send a bug report to Janis. > > > P.S. Edi, thanks for your great libraries! > > You're welcome. > > Cheers, > Edi. >

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[tbnl-devel] file upload from windows, pathname?
by Keith Irwin 28 Jun '05

28 Jun '05

Folks (or, anyway, Edi)-- When I upload a file, I get a structure something like: ("file" #P"/tmp/tbnl/tbnl-10" "Water Lillies.jpg" "image/jpeg") which is just fine. Documented, after all. And this works using firefox on both linux and windows. BUT, when I use IE on windows (where else), I get: ("file" #P"/tmp/tbnl/tbnl-10" "C:\\\\Documents and Settings\\\\All Users\\\\Documents\\\\Sample Pictures\\\Water lilies.jpg" "image/pjpeg") As you can imagine, this causes a slight bit of weirdness when I try to move the file from /tmp to my asset store. Amazingly, the pictures is copied. The name is a bit long. But in IE, at least, I can't "view" the picture as it translates to images/C:/Documents.... FWIW: images are served by apache, not TBNL. Easily fixable? Or should I just try for a regex to remove everything up to the last \ or /? --K {} ps. Interestingly, firefox on windows properly escapes the slashes so the image does get rendered.

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Re: [tbnl-devel] sbcl and file upload
by Edi Weitz 27 Jun '05

27 Jun '05

On Sun, 26 Jun 2005 14:06:43 -0700, Keith Irwin <keith.irwin(a)gmail.com> wrote: > BTW, does CMUCL suffer from this same problem? Nope, because in CMUCL all characters are 8-bit.

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[tbnl-devel] sbcl and file upload
by Keith Irwin 26 Jun '05

26 Jun '05

Folks-- I'm using tbnl 0.5.5, sbcl 0.9.1 with mod_lisp2 (for apache2) and can't seem to get file upload working because of: [error] [TBNL] While parsing multipart/form-data parameters: decoding error on stream [error] [TBNL] #<SB-SYS:FD-STREAM for "a constant string" {A20C1C9}> [error] [TBNL] (:EXTERNAL-FORMAT :UTF-8): [error] [TBNL] the octet sequence (137) cannot [error] [TBNL] be decoded. The files I want to upload are images. Uploading text works just fine. I'm guessing this has something to do with SBCL not allowing bivalent streams (or whatever, it's been awhile). Is there any option with SBCL? Any chance that a CVS version solves this? TBNL using SBCL's simple streams? I already serve images via straight apache. Any recommendations? -- K {}

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[tbnl-devel] Re: Concerning TBNL and HTML-TEMPLATE
by Edi Weitz 09 Jun '05

09 Jun '05

Hi Dan! Please use the mailing lists for future questions like these - see Cc and the links on the websites. Thanks. On Wed, 08 Jun 2005 19:47:00 -0400, Dan Larkin <dl9534(a)albany.edu> wrote: > First of all let me thank you for your terrific software. The > availability of your software (and others too) has really helped > my picking up lisp. You're welcome... :) > For the past few days I've been reading c.l.l (but not posting, > because I don't know nearly enough to participate in any of the > current discussions). My background with lisp began this winter > when I started a course at my University in scheme. Since then > I've been trying to get going with common lisp and web > programming (since that is what I do during the summer at my > job). Good luck! I'm sure you'll have fun with CL. > But anyway, on to my question: How can I get a template parsed > with html-template to come up with as a tbnl page? I'm working > off the tbnl-test example so I have just created a new function > add-artist' and added it to dispatch table, but I can't figure out > how to get it to output the results of parsing a template. Something like (defun add-artist () (with-output-to-string (*default-template-output*) (fill-and-print-template template/printer values))) should do it. Note that FILL-AND-PRINT-TEMPLATE prints its output to the stream *DEFAULT-TEMPLATE-OUTPUT* and TBNL wants a string returned by the handler, so the code above makes sure everything printed to this stream ends up in a string which is returned by the function. This assumes that ADD-ARTIST is a handler, not a dispatcher. > Also another issue I am having is get-parameters, get-parameter, > post-parameters and post-parameter all don't seem to work. Even > with something like > (defun add-artist () > (with-html > (:html > (get-parameters)))) > does not work (the way I'd expect it to at least, it produces only > the prologue and <html></html> even when passed parameters). WITH-HTML is the macro which uses CL-WHO from the test suite, right? If that's the case you must wrap the form (GET-PARAMETERS) with something that asks CL-WHO to include it in the output, otherwise it'll only be evaluated for its side effects. One of (str (get-parameters)) (esc (get-parameters)) (fmt "~S" (get-parameters)) should do it. Does that help? Cheers, Edi.

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[tbnl-devel] Problem while starting TBNL
by Peter BARABAS 22 May '05

22 May '05

Greetings, I've upgraded TBNL and SBCL and have faced a problem. This is how I load TBNL: (asdf:operate 'asdf:load-op 'tbnl) (asdf:oos 'asdf:load-op :tbnl-test) (tbnl:start-tbnl) Error while trying to start listener on port 3000 Can't create a new thread I don't even get dropped in the debugger. I'm using SBCL 0.9.0.19 under Linux 2.4.27. *FEATURES*: (:ASDF :SB-FUTEX :SB-THREAD :ANSI-CL :COMMON-LISP :SBCL :UNIX :SB-DOC :SB-TEST :SB-PACKAGE-LOCKS :SB-UNICODE :IEEE-FLOATING-POINT :X86 :ELF :LINUX :GENCGC :STACK-GROWS-DOWNWARD-NOT-UPWARD :C-STACK-IS-CONTROL-STACK :STACK-ALLOCATABLE-CLOSURES :LINKAGE-TABLE :OS-PROVIDES-DLOPEN :OS-PROVIDES-DLADDR) May that be the problem that SBCL doesn't support threading under 2.4.x, however *FEATURES* does contain :SB-THREAD? Thanks for you help. -- '(Yours parenthetically), peter barabas. ((call/cc call/cc) (call/cc call/cc))

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[tbnl-devel] TBNL stream
by Peter BARABAS 06 May '05

06 May '05

Hello, TBNL expects a string to be returned from the dispatch functions, which it will send to the HTTP client. Is there a stream that I can output my HTML to, to avoid consing? Thank you in advance. -- '(Yours parenthetically), peter barabas. ((call/cc call/cc) (call/cc call/cc))

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[tbnl-devel] *apache-port* changed to *tbnl-port*
by Lukas Trejtnar 27 Apr '05

27 Apr '05

Hi I upgraded to a new version of Lispworks and consequently to a new version of TBNL and discovered that my application didn't work anymore. I found after a while that the variable *apache-port* was renamed to *tbnl-port*. How can I track these significant (for me) changes? I think I didn't find this change in an archive of this mailing list. Thanks Lukas

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[tbnl-devel] New version 0.5.5
by Edi Weitz 18 Apr '05

18 Apr '05

ChangeLog: Version 0.5.5 2005-04-18 Make RFC 2388 code an external dependency (thanks to Janis Dzerins) Download: <http://weitz.de/files/tbnl.tar.gz> Cheers, Edi.

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Re: [tbnl-devel] tbnl / sbcl 0.8.21
by Edi Weitz 06 Apr '05

06 Apr '05

On Wed, 6 Apr 2005 15:43:52 -0700, Keith Irwin <keith.irwin(a)gmail.com> wrote: > en_US.UTF-8 If you currently don't need full Unicode support then maybe (where are the SBCL experts?) it suffices to change this to "en_US.ISO-8859-1" (or whatever it's called) before starting SBCL. > Yeah. Okay. > > I changed stuff in rfc2238 and araneida to use unsigned-byte 8 in a > few with-open-files and that solves the compilation problem. > Serving images is a different story, and I imagine if I use unicode > chars in my content I'd get a similar prob. > > My current option is to serve the images using apache (an Alias in > the config), but I tend to like to have apps that require a minimum > of os-level config (until they're big enough to warrant that sort of > thing). > > I might play with it tomorrow a bit more. I basically agree with you that it's nice to have everything served by the Lisp image. However, this is almost impossible unless you have bivalent streams. (It is my understanding that SBCL will have them sooner or later because the need is obvious.) Also, note that Apache is pretty good at serving static content. As far as serving full Unicode content is concerned you'll actually want more than bivalent streams - you want to have (socket) streams that can change their character encoding on the fly. AFAIK only CLISP (not supported by TBNL) and AllegroCL can do that at the moment. But look at the Unicode example in test.lisp for an example on how this can be done in LW with implementation-specific features. Cheers, Edi.

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