core/version: add version to the module

CMakeLists.txt

@@ -106,6 +106,7 @@ SET(${PROJECT_NAME}_HEADERS
   include/eigenpy/stride.hpp
   include/eigenpy/ref.hpp
   include/eigenpy/details/rvalue_from_python_data.hpp
+  include/eigenpy/version.hpp
 )
 
 LIST(APPEND ${PROJECT_NAME}_HEADERS
@@ -133,6 +134,7 @@ SET(${PROJECT_NAME}_SOURCES
   src/angle-axis.cpp
   src/quaternion.cpp
   src/geometry-conversion.cpp
+  src/version.cpp
 )
 
 ADD_LIBRARY(${PROJECT_NAME} SHARED ${${PROJECT_NAME}_SOURCES} ${${PROJECT_NAME}_HEADERS})

include/eigenpy/fwd.hpp

@@ -6,6 +6,8 @@
 #ifndef __eigenpy_fwd_hpp__
 #define __eigenpy_fwd_hpp__
 
+#include "eigenpy/config.hpp"
+
 #include <boost/python.hpp>
 #include <Eigen/Core>
 

include/eigenpy/version.hpp

+//
+// Copyright (c) 2019 INRIA
+//
+
+#ifndef __eigenpy_version_hpp__
+#define __eigenpy_version_hpp__
+
+#include "eigenpy/config.hpp"
+
+#include <string>
+
+namespace eigenpy
+{
+  
+  ///
+  /// \brief Returns the current version of EigenPy as a string using
+  ///        the following standard:
+  ///        EIGENPY_MINOR_VERSION.EIGENPY_MINOR_VERSION.EIGENPY_PATCH_VERSION
+  ///
+  std::string printVersion(const std::string & delimiter = ".");
+  
+  ///
+  /// \brief Checks if the current version of EigenPy is at least the version provided
+  ///        by the input arguments.
+  ///
+  /// \param[in] major_version Major version to check.
+  /// \param[in] minor_version Minor version to check.
+  /// \param[in] patch_version Patch version to check.
+  ///
+  /// \returns true if the current version of EigenPy is greater than the version provided
+  ///        by the input arguments.
+  ///
+  bool checkVersionAtLeast(unsigned int major_version,
+                           unsigned int minor_version,
+                           unsigned int patch_version);
+}
+
+#endif // __eigenpy_version_hpp__

src/eigenpy.cpp

@@ -4,6 +4,7 @@
  */
 
 #include "eigenpy/eigenpy.hpp"
+#include "eigenpy/version.hpp"
 
 namespace eigenpy
 {
@@ -12,6 +13,13 @@ namespace eigenpy
   void enableEigenPy()
   {
     using namespace Eigen;
+    
+    bp::scope().attr("__version__") = eigenpy::printVersion();
+    bp::scope().attr("__raw_version__") = bp::str(EIGENPY_VERSION);
+    bp::def("checkVersionAtLeast",&eigenpy::checkVersionAtLeast,
+            bp::args("major_version","minor_version","patch_version"),
+            "Checks if the current version of EigenPy is at least the version provided by the input arguments.");
+    
     Exception::registerException();
     
     bp::def("setNumpyType",&NumpyType::setNumpyType,

src/version.cpp

+//
+// Copyright (c) 2019 INRIA
+//
+
+#include "eigenpy/config.hpp"
+#include "eigenpy/version.hpp"
+
+#include <sstream>
+
+namespace eigenpy
+{
+
+  std::string printVersion(const std::string & delimiter)
+  {
+    std::ostringstream oss;
+    oss
+    << EIGENPY_MAJOR_VERSION << delimiter
+    << EIGENPY_MINOR_VERSION << delimiter
+    << EIGENPY_PATCH_VERSION;
+    return oss.str();
+  }
+
+  bool checkVersionAtLeast(unsigned int major_version,
+                           unsigned int minor_version,
+                           unsigned int patch_version)
+  {
+    return EIGENPY_VERSION_AT_LEAST(major_version,minor_version,patch_version);
+  }
+
+}