Add Travis-CI build support

.travis.yml

+# After changing this file, run it through http://lint.travis-ci.org/
+# Generates 4 builds, the ones for python3 will install external wheels
+language: python
+python:
+  - 2.6
+  - 2.7
+matrix:
+  include:
+    - python: 3.2
+      env:
+        - NUMPYSPEC===1.7.1
+    - python: 3.3
+      env:
+        - NUMPYSPEC===1.8.0
+before_install:
+  - sudo add-apt-repository -y ppa:biometrics/bob
+  - sudo apt-get update -qq
+  - sudo apt-get install -qq bob-dev
+  - if [ -n "${NUMPYSPEC}" ]; then sudo apt-get install -qq libatlas-dev libatlas-base-dev liblapack-dev gfortran; fi
+  - if [ -n "${NUMPYSPEC}" ]; then pip install --upgrade pip setuptools; fi
+  - if [ -n "${NUMPYSPEC}" ]; then pip install --find-links http://wheels.astropy.org/ --find-links http://wheels2.astropy.org/ --use-wheel numpy$NUMPYSPEC sphinx nose; fi
+install:
+  - "python bootstrap.py"
+  - "./bin/buildout"
+script:
+  - "./bin/python -c 'from xbob.learn.activation import get_config; print(get_config())'"
+  - "./bin/nosetests -sv"
+  - "./bin/sphinx-build -b doctest doc sphinx"
+  - "./bin/sphinx-build -b html doc sphinx"

buildout.cfg

@@ -17,12 +17,12 @@ develop = src/xbob.extension
 debug = true
 verbose = true
 prefixes = /idiap/group/torch5spro/nightlies/last/bob/linux-x86_64-release
-           /Users/andre/work/bob/b/dbg/
+           /Users/andre/work/bob/b/dbgx/
 
 [sources]
-xbob.extension = git git@github.com:bioidiap/xbob.extension branch=prototype
-xbob.blitz = git git@github.com:bioidiap/xbob.blitz
-xbob.io = git git@github.com:bioidiap/xbob.io
+xbob.extension = git https://github.com/bioidiap/xbob.extension branch=prototype
+xbob.blitz = git https://github.com/bioidiap/xbob.blitz
+xbob.io = git https://github.com/bioidiap/xbob.io
 
 [scripts]
 recipe = xbob.buildout:scripts

setup.py

@@ -13,7 +13,7 @@ package_dir = os.path.dirname(os.path.realpath(__file__))
 package_dir = os.path.join(package_dir, 'xbob', 'learn', 'activation', 'include')
 include_dirs = [package_dir, xbob.io.get_include()]
 
-packages = ['bob-machine >= 1.3']
+packages = ['bob-machine >= 1.2.2']
 version = '2.0.0a0'
 
 setup(
@@ -43,6 +43,14 @@ setup(
       ],
 
     ext_modules = [
+      Extension("xbob.learn.activation.version",
+        [
+          "xbob/learn/activation/version.cpp",
+          ],
+        packages = packages,
+        include_dirs = include_dirs,
+        version = version,
+        ),
       Extension("xbob.learn.activation._library",
         [
           "xbob/learn/activation/activation.cpp",

xbob/learn/activation/__init__.py

 from ._library import *
-from ._library import __version__, __api_version__
+from . import version
+from .version import module as __version__
+from .version import api as __api_version__
 
 def get_include():
   """Returns the directory containing the C/C++ API include directives"""
 
   return __import__('pkg_resources').resource_filename(__name__, 'include')
 
+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 [api=0x%04x] (%s)\n" % (this.key, this.version,
+      version.api, 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/learn/activation/version.cpp

+/**
+ * @author Andre Anjos <andre.anjos@idiap.ch>
+ * @date Thu  7 Nov 13:50:16 2013
+ *
+ * @brief Binds configuration information available from bob
+ */
+
+#include <Python.h>
+
+#include <xbob.learn.activation/config.h>
+#include <xbob.io/api.h>
+
+#include <bob/config.h>
+
+#include <string>
+#include <cstdlib>
+#include <blitz/blitz.h>
+#include <boost/preprocessor/stringize.hpp>
+#include <boost/version.hpp>
+#include <boost/format.hpp>
+
+#ifdef NO_IMPORT_ARRAY
+#undef NO_IMPORT_ARRAY
+#endif
+#include <xbob.blitz/capi.h>
+#include <xbob.blitz/cleanup.h>
+
+static int dict_set(PyObject* d, const char* key, const char* value) {
+  PyObject* v = Py_BuildValue("s", value);
+  if (!v) return 0;
+  int retval = PyDict_SetItemString(d, key, v);
+  Py_DECREF(v);
+  if (retval == 0) return 1; //all good
+  return 0; //a problem occurred
+}
+
+static int dict_steal(PyObject* d, const char* key, PyObject* value) {
+  if (!value) return 0;
+  int retval = PyDict_SetItemString(d, key, value);
+  Py_DECREF(value);
+  if (retval == 0) return 1; //all good
+  return 0; //a problem occurred
+}
+
+/**
+ * Describes the version of Boost libraries installed
+ */
+static PyObject* boost_version() {
+  boost::format f("%d.%d.%d");
+  f % (BOOST_VERSION / 100000);
+  f % (BOOST_VERSION / 100 % 1000);
+  f % (BOOST_VERSION % 100);
+  return Py_BuildValue("s", f.str().c_str());
+}
+
+/**
+ * Describes the compiler version
+ */
+static PyObject* compiler_version() {
+# if defined(__GNUC__) && !defined(__llvm__)
+  boost::format f("%s.%s.%s");
+  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());
+# elif defined(__llvm__) && !defined(__clang__)
+  return Py_BuildValue("ss", "llvm-gcc", __VERSION__);
+# elif defined(__clang__)
+  return Py_BuildValue("ss", "clang", __clang_version__);
+# else
+  return Py_BuildValue("s", "unsupported");
+# endif
+}
+
+/**
+ * Python version with which we compiled the extensions
+ */
+static PyObject* python_version() {
+  boost::format f("%s.%s.%s");
+  f % BOOST_PP_STRINGIZE(PY_MAJOR_VERSION);
+  f % BOOST_PP_STRINGIZE(PY_MINOR_VERSION);
+  f % BOOST_PP_STRINGIZE(PY_MICRO_VERSION);
+  return Py_BuildValue("s", f.str().c_str());
+}
+
+/**
+ * Bob version, API version and platform
+ */
+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));
+}
+
+/**
+ * xbob.blitz c/c++ api version
+ */
+static PyObject* xbob_blitz_version() {
+  return Py_BuildValue("{ss}", "api", BOOST_PP_STRINGIZE(XBOB_BLITZ_API_VERSION));
+}
+
+/**
+ * xbob.io c/c++ api version
+ */
+static PyObject* xbob_io_version() {
+  return Py_BuildValue("{ss}", "api", BOOST_PP_STRINGIZE(XBOB_IO_API_VERSION));
+}
+
+static PyObject* build_version_dictionary() {
+
+  PyObject* retval = PyDict_New();
+  if (!retval) return 0;
+  auto retval_ = make_safe(retval);
+
+  if (!dict_set(retval, "Blitz++", BZ_VERSION)) return 0;
+  if (!dict_steal(retval, "Boost", boost_version())) return 0;
+  if (!dict_steal(retval, "Compiler", compiler_version())) return 0;
+  if (!dict_steal(retval, "Python", python_version())) return 0;
+  if (!dict_steal(retval, "NumPy", numpy_version())) return 0;
+  if (!dict_steal(retval, "xbob.blitz", xbob_blitz_version())) return 0;
+  if (!dict_steal(retval, "xbob.io", xbob_io_version())) return 0;
+  if (!dict_steal(retval, "Bob", bob_version())) return 0;
+
+  Py_INCREF(retval);
+  return retval;
+}
+
+static PyMethodDef module_methods[] = {
+    {0}  /* Sentinel */
+};
+
+PyDoc_STRVAR(module_docstr,
+"Information about software used to compile the C++ Bob API"
+);
+
+#if PY_VERSION_HEX >= 0x03000000
+static PyModuleDef module_definition = {
+  PyModuleDef_HEAD_INIT,
+  XBOB_EXT_MODULE_NAME,
+  module_docstr,
+  -1,
+  module_methods,
+  0, 0, 0, 0
+};
+#endif
+
+static PyObject* create_module (void) {
+
+# if PY_VERSION_HEX >= 0x03000000
+  PyObject* m = PyModule_Create(&module_definition);
+# else
+  PyObject* m = Py_InitModule3(XBOB_EXT_MODULE_NAME, module_methods, module_docstr);
+# endif
+  if (!m) return 0;
+  auto m_ = make_safe(m); ///< protects against early returns
+
+  /* register version numbers and constants */
+  if (PyModule_AddIntConstant(m, "api", XBOB_LEARN_ACTIVATION_API_VERSION) < 0)
+    return 0;
+  if (PyModule_AddStringConstant(m, "module", XBOB_EXT_MODULE_VERSION) < 0)
+    return 0;
+
+  PyObject* externals = build_version_dictionary();
+  if (!externals) return 0;
+  if (PyModule_AddObject(m, "externals", externals) < 0) return 0;
+
+  if (import_xbob_blitz() < 0) return 0;
+
+  Py_INCREF(m);
+  return m;
+
+}
+
+PyMODINIT_FUNC XBOB_EXT_ENTRY_NAME (void) {
+# if PY_VERSION_HEX >= 0x03000000
+  return
+# endif
+    create_module();
+}