* Work around a strange bug in CGI::FormBuilder 3.0401 that makes
FORM-SUBMIT unusable on customised formbuilder templates. For now, hardcode the submit buttons in editpage.tmpl instead of using the template variable, which is ok, since the buttons are static.master
joey
parent
54c90b2d41
commit
96eb9bb3fa
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@ -582,6 +582,7 @@ sub cgi_editpage ($$) { #{{{
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$form->title("editing ".pagetitle($page));
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}
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print "Content-Type: text/html\n\n";
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print $form->render(submit => \@buttons);
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}
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else {
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@ -9,8 +9,12 @@ ikiwiki (1.33) UNRELEASED; urgency=low
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* Make sure to check for errors from every eval.
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* Fix img plugin's handling of adding dependencies for images that do not
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yet exist.
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* Work around a strange bug in CGI::FormBuilder 3.0401 that makes
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FORM-SUBMIT unusable on customised formbuilder templates. For now,
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hardcode the submit buttons in editpage.tmpl instead of using the
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template variable, which is ok, since the buttons are static.
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-- Joey Hess <joeyh@debian.org> Thu, 9 Nov 2006 15:57:52 -0500
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-- Joey Hess <joeyh@debian.org> Fri, 10 Nov 2006 02:34:49 -0500
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ikiwiki (1.32) unstable; urgency=low
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@ -1,44 +1,6 @@
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I'd like to run ikiwiki under cygwin. I'm new to ikiwiki and have tried to follow the setup tutorial as best I could. I got all the way up to step 7, but I can't get the CGI to run successfully (step 8).
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After editing ikiwiki.setup, and running "ikiwiki --setup", the CGI script is successfully created. However, if I then click on "Edit Page" link, I see nothing in the browser and the following in the logs:
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<pre>
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==> /var/log/apache2/access_log <==
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192.168.0.125 - - [06/Oct/2006:15:12:05 -0500] "GET /cgi-bin/ikiwiki.cgi?page=index&do=edit HTTP/1.1" 500 666
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==> /var/log/apache2/error_log <==
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[Fri Oct 06 15:12:07 2006] [error] [client 192.168.0.125] HTML::Template::param() : attempt to set parameter 'form-submit' with an array ref - parameter is not a TMPL_LOOP! at /usr/lib/perl5/site_perl/5.8/CGI/FormBuilder.pm line 1415, referer: http://imrisws36/wiki/
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[Fri Oct 06 15:12:07 2006] [error] [client 192.168.0.125] Premature end of script headers: ikiwiki.cgi, referer: http://imrisws36/wiki/
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</pre>
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Can anyone decipher this for me? I spent some time with cpan earlier today downloading the latest version I could find of prerequisite modules such as HTML::Template and CGI::FormBuilder.
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> It would help to know what version of CGI::FormBuilder you have. Mine
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> (3.03.01) does not seem to contain this error message. --[[Joey]]
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I have version 3.0401 of CGI::FormBuilder -- the latest from CPAN. If you are wondering about any other modules, the answer
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is likely the same: the latest from CPAN. And you're right: the error string in question does not appear in CGI::FormBuilder. I found it in HTML::Template (version 2.8).
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-----
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OK, so downgrading CGI::FormBuilder to 3.0302 makes the problem go away. I'll leave it to you to figure out whether the bug is in CGI::FormBuilder or in IkiWiki. --Steve
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Maybee this bug should be renamed as "doesn't work with CGI::FormBuilder (3.04)." I get same error on FreeBSD.
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HTML::Template::param() : attempt to set parameter 'form-submit' with an array
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ref - parameter is not a TMPL_LOOP!
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at /usr/local/lib/perl5/site_perl/5.8.7/CGI/FormBuilder.pm line 1415
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version info:
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root@freedom# pkg_info | grep p5-CGI
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p5-CGI-FastTemplate-1.09 Perl module for manage templates and parses templates
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p5-CGI-FormBuilder-3.0401 FormBuilder for CGI
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p5-CGI-Session-4.14 Perl extension for persistent session management
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--Mark
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> Seems likely.. So far I've been lazy and stuck with the FormBuilder in Debian, so haven't got a system I can debug this on (sorry). --[[Joey]]
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> Moved the formbuilder bug to [[formbuilder_3.0401_broken]] --[[Joey]]
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-----
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@ -52,4 +14,4 @@ A different problem has reared its ugly head. When I click on "RecentChanges",
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Indeed there is no such routine IkiWiki::XMLin(). I don't understand how this can possibly work -- as it manifestly does on linux.
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> XMLin is supposed to be exported by XML::Simple. My guess is that, due to a missing error check, XML::Simple is failing to load, and it's not aborting then. You probably need to install that module; in the meantime, I've fixed the missing error check in svn. --[[Joey]]
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> XMLin is supposed to be exported by XML::Simple. My guess is that, due to a missing error check, XML::Simple is failing to load, and it's not aborting then. You probably need to install that module; in the meantime, I've fixed the missing error check in svn. --[[Joey]]
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@ -0,0 +1,69 @@
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After editing ikiwiki.setup, and running "ikiwiki --setup", the CGI script is successfully created. However, if I then click on "Edit Page" link, I see nothing in the browser and the following in the logs:
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<pre>
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==> /var/log/apache2/access_log <==
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192.168.0.125 - - [06/Oct/2006:15:12:05 -0500] "GET /cgi-bin/ikiwiki.cgi?page=index&do=edit HTTP/1.1" 500 666
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==> /var/log/apache2/error_log <==
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[Fri Oct 06 15:12:07 2006] [error] [client 192.168.0.125] HTML::Template::param() : attempt to set parameter 'form-submit' with an array ref - parameter is not a TMPL_LOOP! at /usr/lib/perl5/site_perl/5.8/CGI/FormBuilder.pm line 1415, referer: http://imrisws36/wiki/
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[Fri Oct 06 15:12:07 2006] [error] [client 192.168.0.125] Premature end of script headers: ikiwiki.cgi, referer: http://imrisws36/wiki/
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</pre>
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Can anyone decipher this for me? I spent some time with cpan earlier today downloading the latest version I could find of prerequisite modules such as HTML::Template and CGI::FormBuilder.
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> It would help to know what version of CGI::FormBuilder you have. Mine
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> (3.03.01) does not seem to contain this error message. --[[Joey]]
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I have version 3.0401 of CGI::FormBuilder -- the latest from CPAN. If you are wondering about any other modules, the answer
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is likely the same: the latest from CPAN. And you're right: the error string in question does not appear in CGI::FormBuilder. I found it in HTML::Template (version 2.8).
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-----
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OK, so downgrading CGI::FormBuilder to 3.0302 makes the problem go away. I'll leave it to you to figure out whether the bug is in CGI::FormBuilder or in IkiWiki. --Steve
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Maybee this bug should be renamed as "doesn't work with CGI::FormBuilder (3.04)." I get same error on FreeBSD.
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HTML::Template::param() : attempt to set parameter 'form-submit' with an array
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ref - parameter is not a TMPL_LOOP!
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at /usr/local/lib/perl5/site_perl/5.8.7/CGI/FormBuilder.pm line 1415
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version info:
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root@freedom# pkg_info | grep p5-CGI
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p5-CGI-FastTemplate-1.09 Perl module for manage templates and parses templates
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p5-CGI-FormBuilder-3.0401 FormBuilder for CGI
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p5-CGI-Session-4.14 Perl extension for persistent session management
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--Mark
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----
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For the curious, this new version of CGI::FormBuilder changes how it passes
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some values to the HTML::Template template. In particular, FORM-SUBMIT used
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to be just a string containing the buttons used to submit the form. With
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the new version, it's an array of strings, one per button, and the template
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needs to be written differently to deal with this. Oddly, the docs have not
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been updated about this. In fact, from all I can tell, it's a bug, since
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the array is not in the form that HTML::Template expects to receive it.
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Here's a simple test case:
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#!/usr/bin/perl
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my @fields=qw(editcontent);
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my @buttons=("Save", "Preview", "Cancel");
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use CGI::FormBuilder;
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my $form = CGI::FormBuilder->new(
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fields => \@fields,
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template => "foo.tmpl",
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);
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print $form->render(submit => \@buttons);
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With this test case, it does not seem to be possible to write a foo.tmpl that
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outputs the buttons using the FORM-SUBMIT template variable.
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I was able to work around this bug by just not using FORM-SUBMIT in the
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template, and hardcoding the buttons (since they never change anyway).
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Nasty, but it should work. I haven't fully installed the new version of
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CGI::FormBuilder to test it, and it's quite possible that other changes
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in the new version cause other breakage. If you want to test the fix,
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it's in svn now. --[[Joey]]
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@ -41,7 +41,7 @@ Page type: <TMPL_VAR FIELD-TYPE>
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Optional comment about this change:<br />
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<TMPL_VAR FIELD-COMMENTS><br />
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</TMPL_IF>
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<TMPL_VAR FORM-SUBMIT>
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<input id="_submit" name="_submit" type="submit" value="Save Page" /><input id="_submit_2" name="_submit" type="submit" value="Preview" /><input id="_submit_3" name="_submit" type="submit" value="Cancel" />
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<TMPL_VAR HELPONFORMATTINGLINK>
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<TMPL_VAR FORM-END>
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<TMPL_IF NAME="PAGE_PREVIEW">
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Loading…
Reference in New Issue