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PO
primarykey
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862899
data
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0
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0
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CreationDate
2009-05-14T11:52:07.330
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LastActivityDate
2012-03-07T20:03:19.617
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2012-03-07T20:03:19.617
LastEditorUserId
350351
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17160
ParentId
862807
PostTypeId
2
Score
22
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0
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text
Body
Use a debugger. Seriously. Decorating every function you want to keep track is a bad idea. Python <a href="http://docs.python.org/library/pdb.html" rel="noreferrer">has a debugger included</a>, so you don't need a good IDE. If you don't want to use a debugger, you can use the <a href="http://docs.python.org/library/sys.html#sys.settrace" rel="noreferrer">trace function</a>. <pre><code>import sys @sys.settrace def trace_debug(frame, event, arg): if event == 'call': print ("calling %r on line %d, vars: %r" % (frame.f_code.co_name, frame.f_lineno, frame.f_locals)) return trace_debug elif event == "return": print "returning", arg def fun1(a, b): return a + b print fun1(1, 2) </code></pre> That prints: <pre><code>calling 'fun1' on line 14, vars: {'a': 1, 'b': 2} returning 3 3 </code></pre> Even easier would be to use <a href="http://winpdb.org/" rel="noreferrer">Winpdb</a>: It is a platform independent graphical GPL Python debugger with support for remote debugging over a network, multiple threads, namespace modification, embedded debugging, encrypted communication and is up to 20 times faster than pdb. Features: <ul> <li>GPL license. Winpdb is Free Software.</li> <li>Compatible with CPython 2.3 or later.</li> <li>Compatible with wxPython 2.6 or later.</li> <li>Platform independent, and tested on Ubuntu Gutsy and Windows XP.</li> <li>User Interfaces: rpdb2 is console based, while winpdb requires wxPython 2.6 or later.</li> </ul> <a href="http://winpdb.org/images/screenshot_winpdb_small.jpg" rel="noreferrer">Screenshot http://winpdb.org/images/screenshot_winpdb_small.jpg</a>
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