Add function to print comprehensive dependence list

xbob/ap/__init__.py

@@ -2,5 +2,24 @@ from ._library import *
 from . import version
 from .version import module as __version__
 
+def get_config():
+  """Returns a string containing the configuration information.
+  """
+
+  import pkg_resources
+  from .version import externals
+
+  packages = pkg_resources.require(__name__)
+  this = packages[0]
+  deps = packages[1:]
+
+  retval =  "%s: %s (%s)\n" % (this.key, this.version, this.location)
+  retval += "  - c/c++ dependencies:\n"
+  for k in sorted(externals): retval += "    - %s: %s\n" % (k, externals[k])
+  retval += "  - python dependencies:\n"
+  for d in deps: retval += "    - %s: %s (%s)\n" % (d.key, d.version, d.location)
+
+  return retval.strip()
+
 # gets sphinx autodoc done right - don't remove it
 __all__ = [_ for _ in dir() if not _.startswith('_')]

xbob/ap/version.cpp

@@ -50,13 +50,13 @@ static PyObject* compiler_version() {
   f % BOOST_PP_STRINGIZE(__GNUC__);
   f % BOOST_PP_STRINGIZE(__GNUC_MINOR__);
   f % BOOST_PP_STRINGIZE(__GNUC_PATCHLEVEL__);
-  return Py_BuildValue("ss", "gcc", f.str().c_str());
+  return Py_BuildValue("{ssss}", "name", "gcc", "version", f.str().c_str());
 # elif defined(__llvm__) && !defined(__clang__)
-  return Py_BuildValue("ss", "llvm-gcc", __VERSION__);
+  return Py_BuildValue("{ssss}", "name", "llvm-gcc", "version", __VERSION__);
 # elif defined(__clang__)
-  return Py_BuildValue("ss", "clang", __clang_version__);
+  return Py_BuildValue("{ssss}", "name", "clang", "version", __clang_version__);
 # else
-  return Py_BuildValue("s", "unsupported");
+  return Py_BuildValue("{ssss}", "name", "unsupported", "version", "unknown");
 # endif
 }
 
@@ -78,6 +78,14 @@ static PyObject* bob_version() {
   return Py_BuildValue("sis", BOB_VERSION, BOB_API_VERSION, BOB_PLATFORM);
 }
 
+/**
+ * Numpy version
+ */
+static PyObject* numpy_version() {
+  return Py_BuildValue("{ssss}", "abi", BOOST_PP_STRINGIZE(NPY_VERSION),
+      "api", BOOST_PP_STRINGIZE(NPY_API_VERSION));
+}
+
 static PyObject* build_version_dictionary() {
 
   PyObject* retval = PyDict_New();
@@ -103,6 +111,11 @@ static PyObject* build_version_dictionary() {
     return 0;
   }
 
+  if (!dict_steal(retval, "NumPy", numpy_version())) {
+    Py_DECREF(retval);
+    return 0;
+  }
+
   return retval;
 }