| author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
| Wed, 06 Jul 2016 20:28:51 +0200 | |
| branch | 3.23 |
| changeset 11433 | a703f00718c2 |
| parent 10491 | c67bcee93248 |
| child 12716 | f5300acd8f4f |
| permissions | -rw-r--r-- |
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.. -*- coding: utf-8 -*- |
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.. _DEBUGGING: |
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Debugging RQL |
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------------- |
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Available levels |
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~~~~~~~~~~~~~~~~ |
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Server debugging flags. They may be combined using binary operators. |
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.. autodata:: cubicweb.server.DBG_NONE |
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.. autodata:: cubicweb.server.DBG_RQL |
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.. autodata:: cubicweb.server.DBG_SQL |
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.. autodata:: cubicweb.server.DBG_REPO |
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.. autodata:: cubicweb.server.DBG_MS |
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.. autodata:: cubicweb.server.DBG_HOOKS |
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.. autodata:: cubicweb.server.DBG_OPS |
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.. autodata:: cubicweb.server.DBG_MORE |
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.. autodata:: cubicweb.server.DBG_ALL |
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Enable verbose output |
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~~~~~~~~~~~~~~~~~~~~~ |
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To debug your RQL statements, it can be useful to enable a verbose output: |
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.. sourcecode:: python |
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from cubicweb import server |
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server.set_debug(server.DBG_RQL|server.DBG_SQL|server.DBG_ALL) |
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.. autofunction:: cubicweb.server.set_debug |
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Another example showing how to debug hooks at a specific code site: |
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.. sourcecode:: python |
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from cubicweb.server import debugged, DBG_HOOKS |
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with debugged(DBG_HOOKS): |
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person.cw_set(works_for=company) |
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Detect largest RQL queries |
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~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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See `Profiling and performance` chapter (see :ref:`PROFILING`). |
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API |
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~~~ |
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.. autoclass:: cubicweb.server.debugged |
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