[Python] Add constructor of Flags from list or tuple.

Author: jmirabel

include/sot/core/flags.hh

@@ -37,7 +37,7 @@ protected:
 public:
   Flags(const bool &b = false);
   Flags(const char *flags);
-  Flags(std::vector<bool> &&flags);
+  Flags(const std::vector<bool> &flags);
 
   void add(const bool &b);
 

src/python-module.cc

@@ -50,7 +50,16 @@ BOOST_PYTHON_MODULE(wrap)
   using dgs::Flags;
   bp::class_<Flags>("Flags", bp::init<>())
     .def(bp::init<const char*>())
-    //TODO .def(bp::init<std::vector<bool>&& >())
+    .def("__init__", bp::make_constructor(+[](bp::list bools) {
+      std::vector<bool> flags (bp::len(bools));
+      for (std::size_t i = 0; i < flags.size(); ++i) flags[i] = bp::extract<bool>(bools[i]);
+      return new Flags(flags);
+    }))
+    .def("__init__", bp::make_constructor(+[](bp::tuple bools) {
+      std::vector<bool> flags (bp::len(bools));
+      for (std::size_t i = 0; i < flags.size(); ++i) flags[i] = bp::extract<bool>(bools[i]);
+      return new Flags(flags);
+    }))
     .def("add", &Flags::add)
     .def("set", &Flags::set)
     .def("unset", &Flags::unset)

src/sot/flags.cpp

@@ -47,7 +47,7 @@ Flags::Flags(const char *_flags)
   }
 }
 
-Flags::Flags(std::vector<bool> &&_flags)
+Flags::Flags(const std::vector<bool> &_flags)
     : flags(_flags), outOfRangeFlag(false) {}
 
 Flags::operator bool(void) const {