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app/django/core/handlers/profiler-hotshot.py
author Sverre Rabbelier <srabbelier@gmail.com>
Fri, 23 Jan 2009 21:20:33 +0000
changeset 935 09f47e08f805
parent 54 03e267d67478
permissions -rw-r--r--
Adust the as_table tag to render a pick link if appropriate The templates are adjusted to pass on a 'reference' value, which is the url_name of the view from which the entity should be picked. The as_table (and related) function(s) construct and then pass on this argument and enable takes_contex so that we have access to the context of the enclosing template. We only extract ReferenceProperties that end with '_link_id' since that is how all RP's are currently named. It is not possible to create a field with the same name as the RP, as GAE will try to interpret it's contents as the key of an entity before even calling any function we can override. Patch by: Sverre Rabbelier
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03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
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import hotshot, time, os
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine
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from django.core.handlers.modpython import ModPythonHandler
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine
Todd Larsen <tlarsen@google.com>
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03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine



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parents: 

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PROFILE_DATA_DIR = "/var/log/cmsprofile"













03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine



Todd Larsen <tlarsen@google.com>


parents: 

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03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine



Todd Larsen <tlarsen@google.com>


parents: 

diff
changeset




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def handler(req):













03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine



Todd Larsen <tlarsen@google.com>


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    '''













03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine



Todd Larsen <tlarsen@google.com>


parents: 

diff
changeset




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    Handler that uses hotshot to store profile data.













03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine



Todd Larsen <tlarsen@google.com>


parents: 

diff
changeset




     9














03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine



Todd Larsen <tlarsen@google.com>


parents: 

diff
changeset




    10


    Stores profile data in PROFILE_DATA_DIR.  Since hotshot has no way (that I













03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine



Todd Larsen <tlarsen@google.com>


parents: 

diff
changeset




    11


    know of) to append profile data to a single file, each request gets its own













03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine



Todd Larsen <tlarsen@google.com>


parents: 

diff
changeset




    12


    profile.  The file names are in the format <url>.<n>.prof where <url> is













03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine



Todd Larsen <tlarsen@google.com>


parents: 

diff
changeset




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    the request path with "/" replaced by ".", and <n> is a timestamp with













03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine



Todd Larsen <tlarsen@google.com>


parents: 

diff
changeset




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    microseconds to prevent overwriting files.













03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine



Todd Larsen <tlarsen@google.com>


parents: 

diff
changeset




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03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine



Todd Larsen <tlarsen@google.com>


parents: 

diff
changeset




    16


    Use the gather_profile_stats.py script to gather these individual request













03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine



Todd Larsen <tlarsen@google.com>


parents: 

diff
changeset




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    profiles into aggregated profiles by request path.













03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine



Todd Larsen <tlarsen@google.com>


parents: 

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    '''













03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine



Todd Larsen <tlarsen@google.com>


parents: 

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    profname = "%s.%.3f.prof" % (req.uri.strip("/").replace('/', '.'), time.time())













03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine



Todd Larsen <tlarsen@google.com>


parents: 

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    profname = os.path.join(PROFILE_DATA_DIR, profname)













03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine



Todd Larsen <tlarsen@google.com>


parents: 

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    prof = hotshot.Profile(profname)













03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine



Todd Larsen <tlarsen@google.com>


parents: 

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    return prof.runcall(ModPythonHandler(), req)















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