release v0.1.0.0-rc.1

.gitlab-ci.yml

-image: python:3.9.13
+image: mambaorg/micromamba
 
-test-evalhyd-python:
-  stage: test
+stages:
+  - build_and_test
+
+build-and-test:
+  stage: build_and_test
   variables:
     GIT_SUBMODULE_STRATEGY: recursive
   script:
+    # install dependencies
+    - micromamba install --yes --file environment.yml
+    - export EVALHYD_PYTHON_VENDOR_XTL=FALSE
+    - export EVALHYD_PYTHON_VENDOR_XTENSOR=FALSE
+    - export EVALHYD_PYTHON_VENDOR_XTENSOR_PYTHON=FALSE
+    # vendor evalhyd (while waiting for evalhyd to be uploaded to conda-forge)
+    - micromamba install --yes -c conda-forge git
+    - export EVALHYD_PYTHON_VENDOR_EVALHYD=TRUE
     # print Python version
     - python --version
     # compile and install package
-    - python -m pip install --user .[tests]
+    - python -m pip install --user .[tests] -v
     # make sure package can be imported and check version
     - python -c "import evalhyd;print(evalhyd.__version__)"
     # run test suite

.gitmodules

-[submodule "deps/evalhyd"]
-	path = deps/evalhyd
-	url = https://gitlab.irstea.fr/HYCAR-Hydro/evalhyd/evalhyd.git
+[submodule "deps/xtl"]
+	path = deps/xtl
+	url = https://github.com/xtensor-stack/xtl.git
 [submodule "deps/xtensor-python"]
 	path = deps/xtensor-python
 	url = https://github.com/xtensor-stack/xtensor-python.git
+[submodule "deps/xtensor"]
+	path = deps/xtensor
+	url = https://github.com/xtensor-stack/xtensor.git
+[submodule "deps/evalhyd-cpp"]
+	path = deps/evalhyd-cpp
+	url = https://gitlab.irstea.fr/HYCAR-Hydro/evalhyd/evalhyd-cpp.git

CMakeLists.txt

+cmake_minimum_required(VERSION 3.15)
+
+project(
+        EvalHyd-Python
+        LANGUAGES CXX C
+        VERSION 0.1.0.0
+        DESCRIPTION "Python bindings for evalhyd utility"
+)
+
+add_library(
+        evalhyd-python MODULE
+        ${CMAKE_CURRENT_SOURCE_DIR}/src/evalhyd-python.cpp
+)
+
+# ------------------------------------------------------------------------------
+# dependencies and build
+# ------------------------------------------------------------------------------
+
+if(SKBUILD)
+        find_package(PythonExtensions REQUIRED)
+        find_package(NumPy REQUIRED)
+        python_extension_module(evalhyd-python)
+else()
+        find_package(Python COMPONENTS Interpreter Development NumPy REQUIRED)
+        target_link_libraries(evalhyd-python Python::NumPy)
+        # use only header if numpy target links to libpython
+        #target_include_directories(evalhyd-python SYSTEM PRIVATE "${Python_NumPy_INCLUDE_DIRS}")
+endif()
+
+find_package(xtensor 0.7.5 REQUIRED)
+message(STATUS "Found xtl: ${xtl_INCLUDE_DIRS}/xtl")
+
+find_package(xtensor 0.24.6 REQUIRED)
+message(STATUS "Found xtensor: ${xtensor_INCLUDE_DIRS}/xtensor")
+
+find_package(xtensor-python 0.26.1 REQUIRED)
+message(STATUS "Found xtensor-python: ${xtensor-python_INCLUDE_DIRS}/xtensor-python")
+
+find_package(pybind11 REQUIRED)
+message(STATUS "Found pybind11: ${pybind11_INCLUDE_DIRS}/pybind11")
+
+if(DEFINED EVALHYD_SRC)
+        set(EVALHYD_BUILD_TEST OFF CACHE BOOL "configure and compile tests")
+        add_subdirectory(${EVALHYD_SRC} deps/evalhyd)
+else()
+        find_package(EvalHyd 0.1.0 REQUIRED)
+endif()
+
+target_link_libraries(
+        evalhyd-python
+        EvalHyd::evalhyd
+        xtensor-python
+        pybind11::module
+        pybind11::lto
+        pybind11::windows_extras
+)
+
+set_target_properties(
+        evalhyd-python PROPERTIES
+        OUTPUT_NAME evalhyd
+)
+
+pybind11_extension(evalhyd-python)
+if(NOT MSVC AND NOT ${CMAKE_BUILD_TYPE} MATCHES Debug|RelWithDebInfo)
+        # Strip unnecessary sections of the binary on Linux/macOS
+        pybind11_strip(evalhyd-python)
+endif()
+
+set_target_properties(
+        evalhyd-python PROPERTIES
+        CXX_VISIBILITY_PRESET "hidden"
+        CUDA_VISIBILITY_PRESET "hidden"
+)
+
+# add include directories
+target_include_directories(
+        evalhyd-python
+        PUBLIC
+                ${NUMPY_INCLUDE_DIRS}
+)
+
+# ------------------------------------------------------------------------------
+# installation
+# ------------------------------------------------------------------------------
+
+if(SKBUILD)
+        install(
+                TARGETS evalhyd-python
+                DESTINATION evalhyd-python
+        )
+endif()

LICENCE.rst

+GNU General Public License
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+was granted, prior to 28 March 2007.
+
+Nothing in this License shall be construed as excluding or limiting any implied
+license or other defenses to infringement that may otherwise be available to you
+under applicable patent law.
+
+12. No Surrender of Others' Freedom
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+If conditions are imposed on you (whether by court order, agreement or otherwise)
+that contradict the conditions of this License, they do not excuse you from the
+conditions of this License. If you cannot convey a covered work so as to satisfy
+simultaneously your obligations under this License and any other pertinent
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+agree to terms that obligate you to collect a royalty for further conveying from
+those to whom you convey the Program, the only way you could satisfy both those terms
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+
+13. Use with the GNU Affero General Public License
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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+
+14. Revised Versions of this License
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+to the present version, but may differ in detail to address new problems or concerns.
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+^^^^^^^^^^^^^^^^^^^^^^^^^^
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+POSSIBILITY OF SUCH DAMAGES.
+
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+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
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+given local legal effect according to their terms, reviewing courts shall apply local
+law that most closely approximates an absolute waiver of all civil liability in
+connection with the Program, unless a warranty or assumption of liability accompanies
+a copy of the Program in return for a fee.
+
+END OF TERMS AND CONDITIONS
+
+How to Apply These Terms to Your New Programs
+---------------------------------------------
+
+If you develop a new program, and you want it to be of the greatest possible use to
+the public, the best way to achieve this is to make it free software which everyone
+can redistribute and change under these terms.
+
+To do so, attach the following notices to the program. It is safest to attach them
+to the start of each source file to most effectively state the exclusion of warranty;
+and each file should have at least the “copyright” line and a pointer to
+where the full notice is found.
+
+.. pull-quote::
+
+   <one line to give the program's name and a brief idea of what it does.>
+   Copyright (C) <year>  <name of author>
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program does terminal interaction, make it output a short notice like this
+when it starts in an interactive mode:
+
+.. pull-quote::
+
+   <program>  Copyright (C) <year>  <name of author>
+   This program comes with ABSOLUTELY NO WARRANTY; for details type 'show w'.
+   This is free software, and you are welcome to redistribute it
+   under certain conditions; type 'show c' for details.
+
+The hypothetical commands `show w` and `show c` should show the appropriate parts of
+the General Public License. Of course, your program's commands might be different;
+for a GUI interface, you would use an “about box”.
+
+You should also get your employer (if you work as a programmer) or school, if any, to
+sign a “copyright disclaimer” for the program, if necessary. For more
+information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+The GNU General Public License does not permit incorporating your program into
+proprietary programs. If your program is a subroutine library, you may consider it
+more useful to permit linking proprietary applications with the library. If this is
+what you want to do, use the GNU Lesser General Public License instead of this
+License. But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
\ No newline at end of file

README.md

@@ -2,4 +2,4 @@
 
 Python bindings for `evalhyd` utility
 
-Documentation: https://hycar-hydro.gitlab.irstea.page/evalhyd/evalhyd-docs/python
+Documentation: https://hydrogr.github.io/evalhyd/python

changelog.rst

+.. default-role:: obj
+
+..
+   latest
+   ------
+
+   Yet to be versioned and released. Only available from *dev* branch until then.
+
+v0.1.0.0
+--------
+
+Released on 2023-04-14.
+
+* first release

evalhyd @ 592caff2

-Subproject commit 592caff2eafc89a3cad9da4d47bb1a2eb777b2eb

evalhyd-cpp @ d86043f5

+Subproject commit d86043f5a28b697a902cc52842ed439583f5f42d

xtensor @ e534928c

+Subproject commit e534928cc30eb3a4a05539747d98e1d6868c2d62

xtensor-python @ 6a286681

-Subproject commit 6544a559ae98953394a1c51d8a637b71882af8da
+Subproject commit 6a286681c48c35d3df342f291938f4825b20c0a3

xtl @ fea39142

+Subproject commit fea39142693fbbc2ef19d75012bc6b46ef0a5f8c

environment.yml

+channels:
+  - conda-forge
+dependencies:
+  # Build dependencies
+  - cxx-compiler
+  - c-compiler
+  - cmake
+  - make
+  - scikit-build
+  # Host dependencies
+  - python
+  - numpy
+  - pybind11
+  - xtl==0.7.5
+  - xtensor==0.24.6
+  - xtensor-python==0.26.1
+#  - evalhyd-cpp==0.1.0
+  # Test dependencies
+  - numpy

evalhyd/__init__.py

+"""An evaluator for determinist and probabilist streamflow predictions."""
+
+from .version import __version__
+from .evald import evald
+from .evalp import evalp

evalhyd/evald.py

+from typing import List, Dict
+from numpy import dtype
+from numpy.typing import NDArray
+
+try:
+    from ._evalhyd import _evald
+except ImportError:
+    pass
+
+
+def evald(q_obs: NDArray[dtype('float64')],
+          q_prd: NDArray[dtype('float64')],
+          metrics: List[str],
+          q_thr: NDArray[dtype('float64')] = None,
+          events: str = None,
+          transform: str = None,
+          exponent: float = None,
+          epsilon: float = None,
+          t_msk: NDArray[dtype('bool')] = None,
+          m_cdt: NDArray[dtype('|S32')] = None,
+          bootstrap: Dict[str, int] = None,
+          dts: NDArray[dtype('|S32')] = None,
+          seed: int = None,
+          diagnostics: List[str] = None) -> List[NDArray[dtype('float64')]]:
+    """Function to evaluate deterministic streamflow predictions"""
+
+    # required arguments
+    kwargs = {
+        # convert 1D array into 2D array view
+        'q_obs': q_obs.reshape(1, q_obs.size) if q_obs.ndim == 1 else q_obs,
+        'q_prd': q_prd.reshape(1, q_prd.size) if q_prd.ndim == 1 else q_prd,
+        'metrics': metrics
+    }
+
+    # optional arguments
+    if q_thr is not None:
+        kwargs['q_thr'] = (
+            q_thr.reshape(1, q_thr.size) if q_thr.ndim == 1 else q_thr
+        )
+    if events is not None:
+        kwargs['events'] = events
+    if transform is not None:
+        kwargs['transform'] = transform
+    if exponent is not None:
+        kwargs['exponent'] = exponent
+    if epsilon is not None:
+        kwargs['epsilon'] = epsilon
+    if t_msk is not None:
+        kwargs['t_msk'] = t_msk
+    if m_cdt is not None:
+        kwargs['m_cdt'] = m_cdt
+    if bootstrap is not None:
+        kwargs['bootstrap'] = bootstrap
+    if dts is not None:
+        kwargs['dts'] = dts
+    if seed is not None:
+        kwargs['seed'] = seed
+    if diagnostics is not None:
+        kwargs['diagnostics'] = diagnostics
+
+    # check array ranks
+    _expected = {
+        'q_obs': 2,
+        'q_prd': 2,
+        'q_thr': 2,
+        't_msk': 3,
+        'm_cdt': 2,
+        'dts': 1
+    }
+
+    for arg, val in _expected.items():
+        try:
+            if kwargs[arg].ndim != val:
+                raise RuntimeError(
+                    f"'{arg}' must feature {val} {'axis' if val == 1 else 'axes'}"
+                )
+        except KeyError:
+            pass
+
+    return _evald(**kwargs)

evalhyd/evalp.py

+from typing import List, Dict
+from numpy import dtype
+from numpy.typing import NDArray
+
+try:
+    from ._evalhyd import _evalp
+except ImportError:
+    pass
+
+
+def evalp(q_obs: NDArray[dtype('float64')],
+          q_prd: NDArray[dtype('float64')],
+          metrics: List[str],
+          q_thr: NDArray[dtype('float64')] = None,
+          events: str = None,
+          c_lvl: NDArray[dtype('float64')] = None,
+          t_msk: NDArray[dtype('bool')] = None,
+          m_cdt: NDArray[dtype('|S32')] = None,
+          bootstrap: Dict[str, int] = None,
+          dts: NDArray[dtype('|S32')] = None,
+          seed: int = None,
+          diagnostics: List[str] = None) -> List[NDArray[dtype('float64')]]:
+    """Function to evaluate probabilistic streamflow predictions"""
+
+    # required arguments
+    kwargs = {
+        'q_obs': q_obs,
+        'q_prd': q_prd,
+        'metrics': metrics
+    }
+
+    # optional arguments
+    if q_thr is not None:
+        kwargs['q_thr'] = q_thr
+    if events is not None:
+        kwargs['events'] = events
+    if c_lvl is not None:
+        kwargs['c_lvl'] = c_lvl
+    if t_msk is not None:
+        kwargs['t_msk'] = t_msk
+    if m_cdt is not None:
+        kwargs['m_cdt'] = m_cdt
+    if bootstrap is not None:
+        kwargs['bootstrap'] = bootstrap
+    if dts is not None:
+        kwargs['dts'] = dts
+    if seed is not None:
+        kwargs['seed'] = seed
+    if diagnostics is not None:
+        kwargs['diagnostics'] = diagnostics
+
+    # check array ranks
+    _expected = {
+        'q_obs': 2,
+        'q_prd': 4,
+        'q_thr': 2,
+        'c_lvl': 1,
+        't_msk': 4,
+        'm_cdt': 2,
+        'dts': 1
+    }
+
+    for arg, val in _expected.items():
+        try:
+            if kwargs[arg].ndim != val:
+                raise RuntimeError(
+                    f"'{arg}' must feature {val} {'axis' if val == 1 else 'axes'}"
+                )
+        except KeyError:
+            pass
+
+    return _evalp(**kwargs)

evalhyd/src/evalhyd.cpp

+#include <pybind11/pybind11.h>
+#include <pybind11/stl.h>
+#include <array>
+#include <optional>
+
+#define STRINGIFY(x) #x
+#define MACRO_STRINGIFY(x) STRINGIFY(x)
+
+#define FORCE_IMPORT_ARRAY
+#include <xtl/xoptional.hpp>
+#include <xtensor/xview.hpp>
+#include <xtensor-python/pytensor.hpp>
+
+#include "evalhyd/evald.hpp"
+#include "evalhyd/evalp.hpp"
+
+namespace py = pybind11;
+using namespace py::literals;
+
+auto evald(
+    const xt::pytensor<double, 2>& q_obs,
+    const xt::pytensor<double, 2>& q_prd,
+    const std::vector<std::string>& metrics,
+    const xt::pytensor<double, 2>& q_thr,
+    std::optional<std::string> events,
+    std::optional<std::string> transform,
+    std::optional<double> exponent,
+    std::optional<double> epsilon,
+    const xt::pytensor<bool, 3>& t_msk,
+    const xt::pytensor<std::array<char, 32>, 2>& m_cdt,
+    std::optional<std::unordered_map<std::string, int>> bootstrap,
+    const std::vector<std::string>& dts,
+    std::optional<int> seed,
+    std::optional<std::vector<std::string>> diagnostics
+)
+{
+    return evalhyd::evald(
+        q_obs,
+        q_prd,
+        metrics,
+        q_thr,
+        (events.has_value()) ? events.value() : xtl::missing<std::string>(),
+        (transform.has_value()) ? transform.value() : xtl::missing<std::string>(),
+        (exponent.has_value()) ? exponent.value() : xtl::missing<double>(),
+        (epsilon.has_value()) ? epsilon.value() : xtl::missing<double>(),
+        t_msk,
+        m_cdt,
+        (bootstrap.has_value())
+        ? bootstrap.value()
+        : xtl::missing<std::unordered_map<std::string, int>>(),
+        dts,
+        (seed.has_value()) ? seed.value() : xtl::missing<int>(),
+        (diagnostics.has_value())
+        ? diagnostics.value()
+        : xtl::missing<std::vector<std::string>>()
+    );
+}
+
+auto evalp(
+    const xt::pytensor<double, 2>& q_obs,
+    const xt::pytensor<double, 4>& q_prd,
+    const std::vector<std::string>& metrics,
+    const xt::pytensor<double, 2>& q_thr,
+    std::optional<std::string> events,
+    const std::vector<double>& c_lvl,
+    const xt::pytensor<bool, 4>& t_msk,
+    const xt::pytensor<std::array<char, 32>, 2>& m_cdt,
+    std::optional<std::unordered_map<std::string, int>> bootstrap,
+    const std::vector<std::string>& dts,
+    std::optional<int> seed,
+    std::optional<std::vector<std::string>> diagnostics
+)
+{
+    return evalhyd::evalp(
+        q_obs,
+        q_prd,
+        metrics,
+        q_thr,
+        (events.has_value()) ? events.value() : xtl::missing<std::string>(),
+        c_lvl,
+        t_msk,
+        m_cdt,
+        (bootstrap.has_value())
+        ? bootstrap.value()
+        : xtl::missing<std::unordered_map<std::string, int>>(),
+        dts,
+        (seed.has_value()) ? seed.value() : xtl::missing<int>(),
+        (diagnostics.has_value())
+        ? diagnostics.value()
+        : xtl::missing<std::vector<std::string>>()
+    );
+}
+
+// Python Module and Docstrings
+PYBIND11_MODULE(_evalhyd, m)
+{
+    xt::import_numpy();
+
+    m.doc() = "Python bindings for the C++ core of evalhyd";
+
+    // deterministic evaluation
+    m.def(
+        "_evald",
+        &evald,
+        "Function to evaluate determinist streamflow predictions (2D)",
+        py::arg("q_obs"),
+        py::arg("q_prd"),
+        py::arg("metrics"),
+        py::arg("q_thr") = xt::pytensor<double, 2>({0}),
+        py::arg("events") = py::none(),
+        py::arg("transform") = py::none(),
+        py::arg("exponent") = py::none(),
+        py::arg("epsilon") = py::none(),
+        py::arg("t_msk") = xt::pytensor<bool, 3>({0}),
+        py::arg("m_cdt") = xt::pytensor<std::array<char, 32>, 2>({0}),
+        py::arg("bootstrap") = py::none(),
+        py::arg("dts") = py::list(),
+        py::arg("seed") = py::none(),
+        py::arg("diagnostics") = py::none()
+    );
+
+    // probabilistic evaluation
+    m.def(
+        "_evalp",
+        &evalp,
+        "Function to evaluate probabilist streamflow predictions",
+        py::arg("q_obs"),
+        py::arg("q_prd"),
+        py::arg("metrics"),
+        py::arg("q_thr") = xt::pytensor<double, 2>({0}),
+        py::arg("events") = py::none(),
+        py::arg("c_lvl") = py::list(),
+        py::arg("t_msk") = xt::pytensor<bool, 4>({0}),
+        py::arg("m_cdt") = xt::pytensor<std::array<char, 32>, 2>({0}),
+        py::arg("bootstrap") = py::none(),
+        py::arg("dts") = py::list(),
+        py::arg("seed") = py::none(),
+        py::arg("diagnostics") = py::none()
+    );
+
+#ifdef VERSION_INFO
+    m.attr("__version__") = MACRO_STRINGIFY(VERSION_INFO);
+#else
+    m.attr("__version__") = "dev";
+#endif
+}

evalhyd/version.py

+
+
+__version__ = '0.1.0.0'

pyproject.toml

@@ -2,7 +2,10 @@
 requires = [
     "setuptools>=42",
     "wheel",
+    "scikit-build",
+    "cmake",
     "pybind11>=2.8.0",
+    "ninja",
     "numpy>1.16",
 ]
 

setup.py

 import sys
 import os
 
-from pybind11 import get_cmake_dir
 from pybind11.setup_helpers import Pybind11Extension, build_ext
 from setuptools import setup
 import numpy
 
 
-__version__ = '0.0.1'
+# collect centrally sourced package version
+with open("evalhyd/version.py", 'r') as fv:
+    exec(fv.read())
 
+# vendor dependencies (unless told otherwise via environment variable)
+deps = ['xtl', 'xtensor', 'xtensor-python', 'evalhyd-cpp']
+deps_blank_path = os.path.join(os.getcwd(), 'deps', '{}', 'include')
 
+deps_include_dirs = []
+for dep in deps:
+    if not os.getenv(f"EVALHYD_PYTHON_VENDOR_{dep.upper().replace('-', '_')}") == 'FALSE':
+        # register dependency headers
+        deps_include_dirs.append(deps_blank_path.format(dep))
+        print(f"vendoring {dep}")
+
+# configure Python extension
 ext_modules = [
     Pybind11Extension(
-        "evalhyd",
-        ['src/evalhyd-python.cpp',
-         'deps/evalhyd/src/probabilist/evaluator_brier.cpp',
-         'deps/evalhyd/src/probabilist/evaluator_elements.cpp',
-         'deps/evalhyd/src/probabilist/evaluator_quantiles.cpp'],
+        "evalhyd._evalhyd",
+        ['evalhyd/src/evalhyd.cpp'],
         include_dirs=[
             numpy.get_include(),
-            os.path.join(os.getcwd(), 'deps', 'evalhyd', 'deps', 'xtl',
-                         'include'),
-            os.path.join(os.getcwd(), 'deps', 'evalhyd', 'deps', 'xtensor',
-                         'include'),
-            os.path.join(os.getcwd(), 'deps', 'xtensor-python', 'include'),
-            os.path.join(os.getcwd(), 'deps', 'evalhyd', 'include'),
-            os.path.join(os.getcwd(), 'deps', 'evalhyd', 'src'),
             os.path.join(sys.prefix, 'include'),
-            os.path.join(sys.prefix, 'Library', 'include')
+            os.path.join(sys.prefix, 'Library', 'include'),
+            *deps_include_dirs
         ],
         language='c++',
-        define_macros=[('VERSION_INFO', __version__)],
+        define_macros=[('VERSION_INFO', __version__)]
     ),
 ]
 
+# build Python extension and install Python package
 setup(
     name='evalhyd-python',
     version=__version__,
@@ -42,8 +46,9 @@ setup(
     url='https://gitlab.irstea.fr/hycar-hydro/evalhyd/evalhyd-python',
     description='Python bindings for EvalHyd',
     long_description='An evaluator for streamflow predictions.',
+    packages=["evalhyd"],
     ext_modules=ext_modules,
     cmdclass={'build_ext': build_ext},
-    extras_require={"tests": "numpy>=1.16"},
+    extras_require={'tests': 'numpy>=1.16'},
     zip_safe=False,
 )

src/evalhyd-python.cpp

-#include <pybind11/pybind11.h>
-#include <pybind11/stl.h>
-#include <array>
-
-#define STRINGIFY(x) #x
-#define MACRO_STRINGIFY(x) STRINGIFY(x)
-
-#define FORCE_IMPORT_ARRAY
-#include <xtensor/xview.hpp>
-#include <xtensor-python/pytensor.hpp>
-
-#include "evalhyd/evald.hpp"
-#include "evalhyd/evalp.hpp"
-
-namespace py = pybind11;
-using namespace py::literals;
-
-// reshape 1D tensors to 2D tensors
-auto evald_1d(
-    const xt::xtensor<double, 1>& q_obs,
-    const xt::xtensor<double, 1>& q_prd,
-    const std::vector<std::string>& metrics,
-    const std::string& transform = "none",
-    const double exponent = 1,
-    double epsilon = -9,
-    const xt::xtensor<bool, 2>& t_msk = {},
-    const xt::xtensor<std::array<char, 32>, 1>& m_cdt = {},
-    const std::unordered_map<std::string, int>& bootstrap =
-        {{"n_samples", -9}, {"len_sample", -9}, {"summary", 0}},
-    const std::vector<std::string>& dts = {}
-)
-{
-    return evalhyd::evald(
-        xt::view(q_obs, xt::newaxis(), xt::all()),
-        xt::view(q_prd, xt::newaxis(), xt::all()),
-        metrics,
-        transform,
-        exponent,
-        epsilon,
-        t_msk,
-        m_cdt,
-        bootstrap,
-        dts
-    );
-}
-
-// Python Module and Docstrings
-PYBIND11_MODULE(evalhyd, m)
-{
-    xt::import_numpy();
-
-    m.doc() = R"pbdoc(
-        Utility for evaluation of streamflow predictions.
-    )pbdoc";
-
-    // deterministic evaluation
-    m.def(
-        "evald", evald_1d,
-        R"pbdoc(
-            Function to evaluate deterministic streamflow predictions.
-
-            :Parameters:
-
-                q_obs: `numpy.ndarray`
-                   1D array of streamflow observations. Time steps with
-                   missing observations must be assigned `numpy.nan`
-                   values. Those time steps will be ignored both in
-                   the observations and in the predictions before the
-                   *metrics* are computed.
-                   shape: (time,)
-
-                q_prd: `numpy.ndarray`
-                   1D array of streamflow predictions. Time steps with
-                   missing predictions must be assigned `numpy.nan`
-                   values. Those time steps will be ignored both in
-                   the observations and in the predictions before the
-                   *metrics* are computed.
-                   shape: (time,)
-
-                metrics: `List[str]`
-                   The sequence of evaluation metrics to be computed.
-
-                transform: `str`, optional
-                   The transformation to apply to both streamflow observations
-                   and predictions prior to the calculation of the *metrics*.
-
-                exponent: `float`, optional
-                   The value of the exponent n to use when the *transform* is
-                   the power function. If not provided (or set to default value
-                   1), the streamflow observations and predictions remain
-                   untransformed.
-
-                epsilon: `float`, optional
-                   The value of the small constant ε to add to both the
-                   streamflow observations and predictions prior to the
-                   calculation of the *metrics* when the *transform* is the
-                   reciprocal function, the natural logarithm, or the power
-                   function with a negative exponent (since none are defined
-                   for 0). If not provided (or set to default value -9),
-                   one hundredth of the mean of the streamflow observations
-                   is used as value for epsilon.
-
-                t_msk: `numpy.ndarray`, optional
-                   1D array of mask(s) used to generate temporal subsets of
-                   the whole streamflow time series (where True/False is used for
-                   the time steps to include/discard in a given subset). If not
-                   provided and neither is *m_cdt*, no subset is performed. If
-                   provided, masks must feature the same number of dimensions as
-                   observations and predictions, and it must broadcastable with
-                   both of them.
-                   shape: (subsets, time)
-
-                m_cdt: `numpy.ndarray`, optional
-                   1D array of masking condition(s) to use to generate
-                   temporal subsets. Each condition consists in a string and
-                   can be specified on observed streamflow values/statistics
-                   (mean, median, quantile), or on time indices. If provided
-                   in combination with *t_msk*, the latter takes precedence.
-                   If not provided and neither is *t_msk*, no subset is
-                   performed. If provided, only one condition per time series
-                   of observations can be provided.
-                   shape: (subsets,)
-
-                bootstrap: `dict`, optional
-                   Parameters for the bootstrapping method used to estimate the
-                   sampling uncertainty in the evaluation of the predictions.
-                   Three parameters are mandatory ('n_samples' the number of
-                   random samples, 'len_sample' the length of one sample in
-                   number of years, and 'summary' the statistics to return to
-                   characterise the sampling distribution), and one parameter
-                   is optional ('seed'). If not provided, no bootstrapping is
-                   performed. If provided, *dts* must also be provided.
-
-                dts: `List[str]`, optional
-                   Datetimes. The corresponding date and time for the temporal
-                   dimension of the streamflow observations and predictions.
-                   The date and time must be specified in a string following
-                   the ISO 8601-1:2019 standard, i.e. "YYYY-MM-DD hh:mm:ss"
-                   (e.g. the 21st of May 2007 at 4 in the afternoon is
-                   "2007-05-21 16:00:00"). If provided, it is only used if
-                   *bootstrap* is also provided.
-                   shape: (time,)
-
-            :Returns:
-
-                `List[numpy.ndarray]`
-                    The sequence of evaluation metrics computed
-                    in the same order as given in *metrics*.
-                    shape: [(1, subsets, samples), ...]
-        )pbdoc",
-        py::arg("q_obs"), py::arg("q_prd"), py::arg("metrics"),
-        py::arg("transform") = "none",
-        py::arg("exponent") = 1,
-        py::arg("epsilon") = -9,
-        py::arg("t_msk") = xt::pytensor<bool, 2>({0}),
-        py::arg("m_cdt") = xt::pytensor<std::array<char, 32>, 1>({}),
-        py::arg("bootstrap") =
-            py::dict("n_samples"_a=-9, "len_sample"_a=-9, "summary"_a=0),
-        py::arg("dts") = py::list()
-    );
-    m.def(
-        "evald", evalhyd::evald,
-        R"pbdoc(
-            Function to evaluate deterministic streamflow predictions.
-
-            :Parameters:
-
-                q_obs: `numpy.ndarray`
-                   2D array of streamflow observations. Time steps with
-                   missing observations must be assigned `numpy.nan`
-                   values. Those time steps will be ignored both in
-                   the observations and in the predictions before the
-                   *metrics* are computed.
-                   shape: (1, time)
-
-                q_prd: `numpy.ndarray`
-                   2D array of streamflow predictions. Time steps with
-                   missing predictions must be assigned `numpy.nan`
-                   values. Those time steps will be ignored both in
-                   the observations and in the predictions before the
-                   *metrics* are computed.
-                   shape: (series, time)
-
-                metrics: `List[str]`
-                   The sequence of evaluation metrics to be computed.
-
-                transform: `str`, optional
-                   The transformation to apply to both streamflow observations
-                   and predictions prior to the calculation of the *metrics*.
-
-                exponent: `float`, optional
-                   The value of the exponent n to use when the *transform* is
-                   the power function. If not provided (or set to default value
-                   1), the streamflow observations and predictions remain
-                   untransformed.
-
-                epsilon: `float`, optional
-                   The value of the small constant ε to add to both the
-                   streamflow observations and predictions prior to the
-                   calculation of the *metrics* when the *transform* is the
-                   reciprocal function, the natural logarithm, or the power
-                   function with a negative exponent (since none are defined
-                   for 0). If not provided (or set to default value -9),
-                   one hundredth of the mean of the streamflow observations
-                   is used as value for epsilon.
-
-                t_msk: `numpy.ndarray`, optional
-                   2D array of mask(s) used to generate temporal subsets of
-                   the whole streamflow time series (where True/False is used for
-                   the time steps to include/discard in a given subset). If not
-                   provided and neither is *m_cdt*, no subset is performed. If
-                   provided, masks must feature the same number of dimensions as
-                   observations and predictions, and it must broadcastable with
-                   both of them.
-                   shape: (subsets, time)
-
-                m_cdt: `numpy.ndarray`, optional
-                   1D array of masking condition(s) to use to generate
-                   temporal subsets. Each condition consists in a string and
-                   can be specified on observed streamflow values/statistics
-                   (mean, median, quantile), or on time indices. If provided
-                   in combination with *t_msk*, the latter takes precedence.
-                   If not provided and neither is *t_msk*, no subset is
-                   performed. If provided, only one condition per time series
-                   of observations can be provided.
-                   shape: (subsets,)
-
-                bootstrap: `dict`, optional
-                   Parameters for the bootstrapping method used to estimate the
-                   sampling uncertainty in the evaluation of the predictions.
-                   Three parameters are mandatory ('n_samples' the number of
-                   random samples, 'len_sample' the length of one sample in
-                   number of years, and 'summary' the statistics to return to
-                   characterise the sampling distribution), and one parameter
-                   is optional ('seed'). If not provided, no bootstrapping is
-                   performed. If provided, *dts* must also be provided.
-
-                dts: `List[str]`, optional
-                   Datetimes. The corresponding date and time for the temporal
-                   dimension of the streamflow observations and predictions.
-                   The date and time must be specified in a string following
-                   the ISO 8601-1:2019 standard, i.e. "YYYY-MM-DD hh:mm:ss"
-                   (e.g. the 21st of May 2007 at 4 in the afternoon is
-                   "2007-05-21 16:00:00"). If provided, it is only used if
-                   *bootstrap* is also provided.
-                   shape: (time,)
-
-            :Returns:
-
-                `List[numpy.ndarray]`
-                   The sequence of evaluation metrics computed
-                   in the same order as given in *metrics*.
-                   shape: [(series, subsets, samples), ...]
-        )pbdoc",
-        py::arg("q_obs"), py::arg("q_prd"), py::arg("metrics"),
-        py::arg("transform") = "none",
-        py::arg("exponent") = 1,
-        py::arg("epsilon") = -9,
-        py::arg("t_msk") = xt::pytensor<bool, 2>({0}),
-        py::arg("m_cdt") = xt::pytensor<std::array<char, 32>, 1>({}),
-        py::arg("bootstrap") =
-            py::dict("n_samples"_a=-9, "len_sample"_a=-9, "summary"_a=0),
-        py::arg("dts") = py::list()
-    );
-
-    // probabilistic evaluation
-    m.def(
-        "evalp", evalhyd::evalp,
-        R"pbdoc(
-            Function to evaluate probabilistic streamflow predictions.
-
-            :Parameters:
-
-                q_obs: `numpy.ndarray`
-                   2D array of streamflow observations. Time steps with
-                   missing observations must be assigned `numpy.nan`
-                   values. Those time steps will be ignored both in
-                   the observations and in the predictions before the
-                   *metrics* are computed.
-                   shape: (sites, time)
-
-                q_prd: `numpy.ndarray`
-                   4D array of streamflow predictions. Time steps with
-                   missing predictions must be assigned `numpy.nan`
-                   values. Those time steps will be ignored both in
-                   the observations and in the predictions before the
-                   *metrics* are computed.
-                   shape: (sites, lead times, members, time)
-
-                metrics: `List[str]`
-                   The sequence of evaluation metrics to be computed.
-
-                q_thr: `List[float]`, optional
-                   The streamflow threshold(s) to consider for the *metrics*
-                   assessing the prediction of exceedance events. If not
-                   provided, set to default value as an empty `list`.
-                   shape: (thresholds,)
-
-                t_msk: `numpy.ndarray`, optional
-                   4D array of masks to generate temporal subsets of the whole
-                   streamflow time series (where True/False is used for the
-                   time steps to include/discard in a given subset). If not
-                   provided, no subset is performed and only one set of metrics
-                   is returned corresponding to the whole time series. If
-                   provided, as many sets of metrics are returned as they are
-                   masks provided.
-                   shape: (sites, lead times, subsets, time)
-
-                m_cdt: `numpy.ndarray`, optional
-                   2D array of conditions to generate temporal subsets. Each
-                   condition consists in a string and can be specified on
-                   observed/predicted streamflow values/statistics (mean,
-                   median, quantile), or on time indices. If provided in
-                   combination with t_msk, the latter takes precedence. If not
-                   provided and neither is t_msk, no subset is performed and
-                   only one set of metrics is returned corresponding to the
-                   whole time series. If provided, as many sets of metrics are
-                   returned as they are conditions provided.
-                   shape: (sites, subsets)
-
-                bootstrap: `dict`, optional
-                   Parameters for the bootstrapping method used to estimate the
-                   sampling uncertainty in the evaluation of the predictions.
-                   Three parameters are mandatory ('n_samples' the number of
-                   random samples, 'len_sample' the length of one sample in
-                   number of years, and 'summary' the statistics to return to
-                   characterise the sampling distribution), and one parameter
-                   is optional ('seed'). If not provided, no bootstrapping is
-                   performed. If provided, *dts* must also be provided.
-
-                dts: `List[str]`, optional
-                   Datetimes. The corresponding date and time for the temporal
-                   dimension of the streamflow observations and predictions.
-                   The date and time must be specified in a string following
-                   the ISO 8601-1:2019 standard, i.e. "YYYY-MM-DD hh:mm:ss"
-                   (e.g. the 21st of May 2007 at 4 in the afternoon is
-                   "2007-05-21 16:00:00"). If provided, it is only used if
-                   *bootstrap* is also provided.
-                   shape: (time,)
-
-            :Returns:
-
-                `List[numpy.ndarray]`
-                   The sequence of evaluation metrics computed
-                   in the same order as given in *metrics*.
-                   shape: [(sites, lead times, subsets, samples, {quantiles,} {thresholds,} {components}), ...]
-        )pbdoc",
-        py::arg("q_obs"), py::arg("q_prd"), py::arg("metrics"),
-        py::arg("q_thr") = xt::pytensor<double, 2>({0}),
-        py::arg("t_msk") = xt::pytensor<bool, 4>({0}),
-        py::arg("m_cdt") = xt::pytensor<std::array<char, 32>, 2>({0}),
-        py::arg("bootstrap") =
-            py::dict("n_samples"_a=-9, "len_sample"_a=-9, "summary"_a=0),
-        py::arg("dts") = py::list()
-    );
-
-#ifdef VERSION_INFO
-    m.attr("__version__") = MACRO_STRINGIFY(VERSION_INFO);
-#else
-    m.attr("__version__") = "dev";
-#endif
-}