add support for version

python/opendht.pyx

@@ -48,6 +48,9 @@ cdef inline _deinitialize_gnutls():
 # Initialize GnuTLS when this module is imported
 _initialize_gnutls()
 
+def version() -> str:
+    return cpp.version().decode()
+
 cdef inline void lookup_callback(cpp.vector[cpp.shared_ptr[cpp.IndexValue]]* values, cpp.Prefix* p, void *user_data) noexcept with gil:
     cbs = <object>user_data
     if 'lookup' in cbs and cbs['lookup']:

python/opendht/__init__.py

@@ -8,4 +8,5 @@ pure-Python asyncio-friendly wrapper under ``opendht.aio``.
 
 from ._core import *  # re-export core Cython bindings
 
+__version__ = version()
 __all__ = [name for name in dir() if not name.startswith("_")]

python/opendht_cpp.pxd

@@ -49,6 +49,7 @@ cdef extern from "<future>" namespace "std" nogil:
         shared_future[T] share()
 
 cdef extern from "opendht/utils.h" namespace "dht":
+    const char* version()
     cdef cppclass time_point:
         @staticmethod
         time_point min() const