PLearn 0.1
InstanceSnippetTest.cc
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00001 // -*- C++ -*-
00002 
00003 // InstanceSnippetTest.cc
00004 //
00005 // Copyright (C) 2007 Xavier Saint-Mleux, ApSTAT Technologies inc.
00006 //
00007 // Redistribution and use in source and binary forms, with or without
00008 // modification, are permitted provided that the following conditions are met:
00009 //
00010 //  1. Redistributions of source code must retain the above copyright
00011 //     notice, this list of conditions and the following disclaimer.
00012 //
00013 //  2. Redistributions in binary form must reproduce the above copyright
00014 //     notice, this list of conditions and the following disclaimer in the
00015 //     documentation and/or other materials provided with the distribution.
00016 //
00017 //  3. The name of the authors may not be used to endorse or promote
00018 //     products derived from this software without specific prior written
00019 //     permission.
00020 //
00021 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
00022 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00023 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
00024 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00025 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00026 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00027 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00028 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00029 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00030 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00031 //
00032 // This file is part of the PLearn library. For more information on the PLearn
00033 // library, go to the PLearn Web site at www.plearn.org
00034 
00035 // Authors: Xavier Saint-Mleux
00036 
00040 #include "InstanceSnippetTest.h"
00041 #include <plearn_learners/testers/PTester.h>
00042 #include <plearn/vmat/TrainTestSplitter.h>
00043 #include <plearn/sys/procinfo.h>
00044 #include <boost/regex.hpp>
00045 
00046 namespace PLearn {
00047 using namespace std;
00048 
00049 PLEARN_IMPLEMENT_OBJECT(
00050     InstanceSnippetTest,
00051     "ONE LINE USER DESCRIPTION",
00052     "MULTI LINE\nHELP FOR USERS"
00053 );
00054 
00056 // InstanceSnippetTest //
00058 InstanceSnippetTest::InstanceSnippetTest()
00059     /* ### Initialize all fields to their default value */
00060 {
00061     // ...
00062 
00063     // ### You may (or not) want to call build_() to finish building the object
00064     // ### (doing so assumes the parent classes' build_() have been called too
00065     // ### in the parent classes' constructors, something that you must ensure)
00066 }
00067 
00069 // build //
00071 void InstanceSnippetTest::build()
00072 {
00073     inherited::build();
00074     build_();
00075 }
00076 
00078 // makeDeepCopyFromShallowCopy //
00080 void InstanceSnippetTest::makeDeepCopyFromShallowCopy(CopiesMap& copies)
00081 {
00082     inherited::makeDeepCopyFromShallowCopy(copies);
00083 
00084     // ### Call deepCopyField on all "pointer-like" fields
00085     // ### that you wish to be deepCopied rather than
00086     // ### shallow-copied.
00087     // ### ex:
00088     // deepCopyField(trainvec, copies);
00089 
00090     // ### Remove this line when you have fully implemented this method.
00091     PLERROR("InstanceSnippetTest::makeDeepCopyFromShallowCopy not fully (correctly) implemented yet!");
00092 }
00093 
00095 // declareOptions //
00097 void InstanceSnippetTest::declareOptions(OptionList& ol)
00098 {
00099     // ### Declare all of this object's options here.
00100     // ### For the "flags" of each option, you should typically specify
00101     // ### one of OptionBase::buildoption, OptionBase::learntoption or
00102     // ### OptionBase::tuningoption. If you don't provide one of these three,
00103     // ### this option will be ignored when loading values from a script.
00104     // ### You can also combine flags, for example with OptionBase::nosave:
00105     // ### (OptionBase::buildoption | OptionBase::nosave)
00106 
00107     // ### ex:
00108     // declareOption(ol, "myoption", &InstanceSnippetTest::myoption,
00109     //               OptionBase::buildoption,
00110     //               "Help text describing this option");
00111     // ...
00112 
00113     // Now call the parent class' declareOptions
00114     inherited::declareOptions(ol);
00115 }
00116 
00118 // build_ //
00120 void InstanceSnippetTest::build_()
00121 {
00122     // ### This method should do the real building of the object,
00123     // ### according to set 'options', in *any* situation.
00124     // ### Typical situations include:
00125     // ###  - Initial building of an object from a few user-specified options
00126     // ###  - Building of a "reloaded" object: i.e. from the complete set of
00127     // ###    all serialised options.
00128     // ###  - Updating or "re-building" of an object after a few "tuning"
00129     // ###    options have been modified.
00130     // ### You should assume that the parent class' build_() has already been
00131     // ### called.
00132 }
00133 
00135 // perform //
00137 void InstanceSnippetTest::perform()
00138 {
00139     TestSnippet zz1;
00140     zz1.build();
00141 
00142     int n= zz1.invoke("getN");
00143 
00144     zz1.invoke("test0");
00145     
00146     PP<PTester> t= new PTester();//on heap, please
00147     t->final_commands= TVec<string>(2, "allo");
00148     t->splitter= new TrainTestSplitter();
00149     t->learner= zz1.ll;
00150     zz1.invoke("chkObj", t);
00151 
00152     zz1.invoke("testRec", n);
00153     zz1.invoke("testRec2", (Object*)zz1.ll);
00154 
00155     try
00156     {
00157         zz1.invoke("testRecCrash", 3);
00158     }
00159     catch(const PythonException& e)
00160     {
00161         string exception_msg = e.message();
00162         // Remove memory addresses from the exception message, as they may
00163         // differ from one computer to another, causing the test to fail.
00164         boost::regex memory_adr("0x[abcdef0123456789]{6,}",
00165                                 boost::regex::perl|boost::regex::icase);
00166         string msg_without_sys_dependent_data =
00167             regex_replace(exception_msg, memory_adr,
00168                     "0x[memory_address]");
00169         boost::regex python_ver("Python 2\\.[0-9]\\.[0-9]",
00170                                 boost::regex::perl|boost::regex::icase);
00171         msg_without_sys_dependent_data =
00172             regex_replace(msg_without_sys_dependent_data, python_ver,
00173                     "Python 2.X.Y");
00174         boost::regex plearn_path("(/[a-zA-Z0-9_-]+)+/python_modules/",
00175                                 boost::regex::perl);
00176         msg_without_sys_dependent_data =
00177             regex_replace(msg_without_sys_dependent_data, plearn_path,
00178                     "PLEARN_PYTHON_PATH:");
00179         pout << "[INTENDED ERROR] Caught Python Exception: '" 
00180              << msg_without_sys_dependent_data
00181              << "'" << endl;
00182     }
00183 
00184     PythonCodeSnippet zz2("\nimport gc\n"
00185                           "gc.collect()\n"
00186                           "print 'nrefs 1010', len(gc.get_referrers(1010))\n");
00187     zz2.build();
00188 
00189     TVec<PyObject*> refs= zz1.invoke("getRecTestReferrers");
00190 
00191     pout << "refs0: " << (refs[0] == zz1.m_compiled_code.getPyObject()) << endl;
00192     PyObject* dic= PyObject_GetAttrString(zz1.m_instance.getPyObject(), "__dict__");
00193     pout << "refs1: " << (refs[1] ==  dic) << endl;
00194     Py_DECREF(dic);
00195 
00196 
00197 #ifndef PYTEST_ACTIVE
00198     for(int i= 0; i < 1000; ++i)
00199     {
00200         zz1.invoke("testRec", n);
00201         zz1.ll->nstages= n;
00202         zz1.invoke("testRec2", (Object*)zz1.ll);
00203         pout << "at iter " << i << "\t: " << getProcessDataMemory() << endl;
00204     }
00205 #endif //ndef PYTEST_ACTIVE
00206 
00207 
00208 
00209     zz1.invoke("fini");
00210 
00211 }
00212 
00213 } // end of namespace PLearn
00214 
00215 
00216 /*
00217   Local Variables:
00218   mode:c++
00219   c-basic-offset:4
00220   c-file-style:"stroustrup"
00221   c-file-offsets:((innamespace . 0)(inline-open . 0))
00222   indent-tabs-mode:nil
00223   fill-column:79
00224   End:
00225 */
00226 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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