#2175: mako template performance problems
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Reporter: tvrtko.sokolovski | Owner: faide
Type: enhancement | Status: new
Priority: high | Milestone: 2.0b6
Component: TurboGears | Version: trunk
Severity: normal | Resolution:
Keywords: mako cache profiling |
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Comment (by kikidonk):
I can reproduce the problem, and it lies in the Dotted-template lookup
loader.
If you use use_dotted_templatenames = False, mako will be very fast
(modulo bug #2192).
The problem seems to be:
* http://trac.turbogears.org/browser/trunk/tg/configuration.py#L292 The
!DottedTemplateLookup does an open().read() each time a template is
invoked via get_template which can happen a lot (via includes/inherits,
etc)
* !DottedTemplateLookup doesn't implement the same caching mechanism as
the Mako's !TemplateLookup (which has a !TemplateCollection, and doesn't
actually read the template content until needed, and also uses the
precompiled template). I beleive !DottedTemplateLookup never actually
compiles and re-uses compiled templates.
I guess !DottedTemplateLookup should inherit from mako's !TemplateLookup
and override only the needed parts to transform the dotted name in file
name
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Ticket URL: <http://trac.turbogears.org/ticket/2175#comment:5>
TurboGears <http://www.turbogears.org/>
TurboGears front-to-back web development
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