adding h5py recipe

recipes/recipes_emscripten/h5py/build.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+export HDF5_DIR=${PREFIX}
+
+# tell setup.py to not 'pip install' exact package requirements
+export H5PY_SETUP_REQUIRES="0"
+
+# tell setup_configure.py not to compile with ROS3 driver support
+export H5PY_ROS3="0"
+
+"${PYTHON}" -m pip install . --no-deps --ignore-installed --no-cache-dir -vv

recipes/recipes_emscripten/h5py/patches/0001-Fix-incompatible-pointer-type.patch

@@ -0,0 +1,57 @@
+From 30ba08deaa551b0920530f6b2edac59f2dd9e28e Mon Sep 17 00:00:00 2001
+From: Gyeongjae Choi <[email protected]>
+Date: Fri, 2 Sep 2022 07:54:44 +0000
+Subject: [PATCH] Fix incompatible pointer type
+
+---
+ h5py/_errors.pxd | 2 +-
+ h5py/_errors.pyx | 6 +++---
+ 2 files changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/h5py/_errors.pxd b/h5py/_errors.pxd
+index 13b299e2..e7791a6b 100644
+--- a/h5py/_errors.pxd
++++ b/h5py/_errors.pxd
+@@ -412,7 +412,7 @@ cdef extern from "hdf5.h":
+
+     herr_t    H5Eprint(hid_t estack_id, void *stream)
+
+-    ctypedef herr_t (*H5E_walk_t)(int n, H5E_error_t *err_desc, void* client_data)
++    ctypedef herr_t (*H5E_walk_t)(unsigned int n, const H5E_error_t *err_desc, void* client_data)
+     herr_t    H5Ewalk(hid_t estack_id, H5E_direction_t direction, H5E_walk_t func, void* client_data)
+
+ # --- Functions for managing the HDF5 error callback mechanism ---
+diff --git a/h5py/_errors.pyx b/h5py/_errors.pyx
+index 612052fb..dabbc632 100644
+--- a/h5py/_errors.pyx
++++ b/h5py/_errors.pyx
+@@ -94,7 +94,7 @@ cdef struct err_data_t:
+     H5E_error_t err
+     int n
+
+-cdef herr_t walk_cb(int n, H5E_error_t *desc, void *e) nogil:
++cdef herr_t walk_cb(unsigned int n, const H5E_error_t *desc, void *e) nogil:
+
+     cdef err_data_t *ee = <err_data_t*>e
+
+@@ -120,7 +120,7 @@ cdef int set_exception() except -1:
+
+     err.n = -1
+
+-    if H5Ewalk(<hid_t>H5E_DEFAULT, H5E_WALK_UPWARD, walk_cb, &err) < 0:
++    if H5Ewalk(<hid_t>H5E_DEFAULT, H5E_WALK_UPWARD, &walk_cb, &err) < 0:
+         raise RuntimeError("Failed to walk error stack")
+
+     if err.n < 0:   # No HDF5 exception information found
+@@ -137,7 +137,7 @@ cdef int set_exception() except -1:
+
+     err.n = -1
+
+-    if H5Ewalk(<hid_t>H5E_DEFAULT, H5E_WALK_DOWNWARD, walk_cb, &err) < 0:
++    if H5Ewalk(<hid_t>H5E_DEFAULT, H5E_WALK_DOWNWARD, &walk_cb, &err) < 0:
+         raise RuntimeError("Failed to walk error stack")
+
+     desc_bottom = err.err.desc
+-- 
+2.37.2
+

recipes/recipes_emscripten/h5py/patches/configure.patch

@@ -0,0 +1,65 @@
+From 7aea0dd0b4b86d9c607acc981d8055e55c9685bb Mon Sep 17 00:00:00 2001
+From: ryanking13 <[email protected]>
+Date: Thu, 30 Jun 2022 05:30:27 +0000
+Subject: [PATCH] Fix feature detection
+
+---
+ setup_configure.py | 26 ++++----------------------
+ 1 file changed, 4 insertions(+), 22 deletions(-)
+
+diff --git a/setup_configure.py b/setup_configure.py
+index c16ddeef..1180d3fa 100644
+--- a/setup_configure.py
++++ b/setup_configure.py
+@@ -206,7 +206,7 @@ class BuildConfig:
+ class HDF5LibWrapper:
+
+     def __init__(self, libdirs):
+-        self._load_hdf5_lib(libdirs)
++        pass
+
+     def _load_hdf5_lib(self, libdirs):
+         """
+@@ -268,25 +268,7 @@ class HDF5LibWrapper:
+         self._lib = lib
+
+     def autodetect_version(self):
+-        """
+-        Detect the current version of HDF5, and return X.Y.Z version string.
+-
+-        Raises an exception if anything goes wrong.
+-        """
+-        import ctypes
+-        from ctypes import byref
+-
+-        major = ctypes.c_uint()
+-        minor = ctypes.c_uint()
+-        release = ctypes.c_uint()
+-
+-        try:
+-            self._lib.H5get_libversion(byref(major), byref(minor), byref(release))
+-        except Exception:
+-            print("error: Unable to find HDF5 version")
+-            raise
+-
+-        return int(major.value), int(minor.value), int(release.value)
++        return (1, 12, 1)
+
+     def load_function(self, func_name):
+         try:
+@@ -302,10 +284,10 @@ class HDF5LibWrapper:
+         return True
+
+     def has_mpi_support(self):
+-        return self.has_functions("H5Pget_fapl_mpio", "H5Pset_fapl_mpio")
++        return False
+
+     def has_ros3_support(self):
+-        return self.has_functions("H5Pget_fapl_ros3", "H5Pset_fapl_ros3")
++        return False
+
+     def has_direct_vfd_support(self):
+         return self.has_functions("H5Pget_fapl_direct", "H5Pset_fapl_direct")
+-- 
+2.35.1
+

recipes/recipes_emscripten/h5py/recipe.yaml

@@ -0,0 +1,52 @@
+context:
+  name: h5py
+  version: "3.10.0"
+
+package:
+  name: h5py
+  version: "{{ version }}"
+
+source:
+  - url: https://github.com/h5py/h5py/archive/{{ version }}.tar.gz
+    sha256: 9cac7838ab139ec71adf721a1305b954e18efa4f80c82fcfe34e1eb9639ded29
+  - path: setup.py
+
+build:
+  number: 0
+
+requirements:
+  build:
+    - '{{ compiler("c") }}'
+    - cross-python_emscripten-wasm32
+    - cython >=0.29.31,<1
+    - hdf5
+    - numpy   
+    - cython >=0.29.31,<1
+    - pkgconfig
+  host:
+    - python
+    - pip
+    - numpy
+    - hdf5
+  run:
+    - python
+    - cached-property
+    - '{{ pin_compatible("numpy") }}'
+    - hdf5
+
+about:
+  home: https://www.h5py.org/
+  license: BSD 3-Clause
+  license_family: BSD 3-Clause
+  license_file: LICENSE.txt
+  summary: Read and write HDF5 files from Python
+  description: |
+    The h5py package is a Pythonic interface to the HDF5 binary data format
+  dev_url: https://github.com/h5py/h5py
+
+
+extra:
+  emscripten_tests:
+    python:
+      pytest_files:
+        - test_import_h5py.py

recipes/recipes_emscripten/h5py/test_import_h5py.py

@@ -0,0 +1,24 @@
+def test_import_h5py():
+    import h5py
+    import h5py._conv
+    import h5py._errors
+    import h5py._objects
+    import h5py._proxy
+    import h5py.defs
+    import h5py.h5
+    import h5py.h5a
+    import h5py.h5d
+    import h5py.h5f
+    import h5py.h5fd
+    import h5py.h5g
+    import h5py.h5i
+    import h5py.h5l
+    import h5py.h5o
+    import h5py.h5p
+    import h5py.h5r
+    import h5py.h5s
+    import h5py.h5t
+    import h5py.h5z
+    import h5py.utils
+
+    h5py.run_tests()