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<div class="document" id="implementation-notes">
<h1 class="title">Implementation notes</h1>
<table class="docinfo" frame="void" rules="none">
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<p>[see also the roundup package docstring]</p>
<p>There have been some modifications to the spec. I've marked these in the
source with 'XXX' comments when I remember to.</p>
<dl class="docutils">
<dt>In short:</dt>
<dd><p class="first">Class.find() - may match multiple properties, uses keyword args.</p>
<dl class="docutils">
<dt>Class.filter() - isn't in the spec and it's very useful to have at the</dt>
<dd>Class level.</dd>
<dt>CGI interface index view specifier layout part - lose the '+' from the</dt>
<dd>sorting arguments (it's a reserved URL character ;). Just made no
prefix mean ascending and '-' prefix descending.</dd>
<dt>ItemClass - renamed to IssueClass to better match it only having one</dt>
<dd>hypderdb class "issue". Allowing > 1 hyperdb class breaks the
"superseder" multilink (since it can only link to one thing, and
we'd want bugs to link to support and vice-versa).</dd>
<dt>template - the call="link()" is handled by special-case mechanisms in</dt>
<dd>my top-level CGI handler. In a nutshell, the handler looks for a
method on itself called 'index%s' or 'item%s' where %s is a class.
Most items pass on to the templating mechanism, but the file class
_always_ does downloading. It'll probably stay this way too...</dd>
<dt>template - call="link(property)" may be used to link "the current item"</dt>
<dd>(from an index) - the link text is the property specified.</dd>
<dt>template - added functions that I found very useful: List, History and</dt>
<dd>Submit.</dd>
<dt>template - items must specify the message lists, history, etc. Having</dt>
<dd>them by default was sometimes not wanted.</dd>
<dt>template - index view determines its default columns from the</dt>
<dd>template's <tt class="docutils literal"><span class="pre">tal:condition="request/show/<property>"</span></tt> directives.</dd>
</dl>
<p>template - menu() and field() look awfully similar now .... ;)</p>
<dl class="last docutils">
<dt>roundup_admin.py - the command-line tool has a lot more commands at its</dt>
<dd>disposal</dd>
</dl>
</dd>
</dl>
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