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Raise Python exceptions if caffe.Net input files don't exist #228

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Merged
merged 2 commits into from
Mar 18, 2014
Merged

Raise Python exceptions if caffe.Net input files don't exist #228

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82c38b2
Add comment explaining placement of system headers in C++ Python module
longjon Mar 18, 2014
895cd77
Raise Python exceptions if CaffeNet input files don't exist
longjon Mar 12, 2014
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19 changes: 19 additions & 0 deletions python/caffe/_caffe.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -9,8 +9,10 @@
#include "boost/python/suite/indexing/vector_indexing_suite.hpp"
#include "numpy/arrayobject.h"

// these need to be included after boost on OS X
#include <string> // NOLINT(build/include_order)
#include <vector> // NOLINT(build/include_order)
#include <fstream> // NOLINT

#include "caffe/caffe.hpp"

Expand Down Expand Up @@ -121,6 +123,23 @@ class CaffeLayer {
// A simple wrapper over CaffeNet that runs the forward process.
struct CaffeNet {
CaffeNet(string param_file, string pretrained_param_file) {
// for convenience, check that the input files can be opened, and raise
// an exception that boost will send to Python if not
// (this function could still crash if the input files are disturbed
// before Net construction)
std::ifstream f(param_file.c_str());
if (!f.good()) {
f.close();
throw std::runtime_error("Could not open file " + param_file);
}
f.close();
f.open(pretrained_param_file.c_str());
if (!f.good()) {
f.close();
throw std::runtime_error("Could not open file " + pretrained_param_file);
}
f.close();

net_.reset(new Net<float>(param_file));
net_->CopyTrainedLayersFrom(pretrained_param_file);
}
Expand Down