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File Content: `generate_numpy_api.py`

from __future__ import division, print_function

import os
import genapi

from genapi import \
        TypeApi, GlobalVarApi, FunctionApi, BoolValuesApi

import numpy_api

# use annotated api when running under cpychecker
h_template = r"""
#if defined(_MULTIARRAYMODULE) || defined(WITH_CPYCHECKER_STEALS_REFERENCE_TO_ARG_ATTRIBUTE)

typedef struct {
        PyObject_HEAD
        npy_bool obval;
} PyBoolScalarObject;

extern NPY_NO_EXPORT PyTypeObject PyArrayMapIter_Type;
extern NPY_NO_EXPORT PyTypeObject PyArrayNeighborhoodIter_Type;
extern NPY_NO_EXPORT PyBoolScalarObject _PyArrayScalar_BoolValues[2];

%s

#else

#if defined(PY_ARRAY_UNIQUE_SYMBOL)
#define PyArray_API PY_ARRAY_UNIQUE_SYMBOL
#endif

#if defined(NO_IMPORT) || defined(NO_IMPORT_ARRAY)
extern void **PyArray_API;
#else
#if defined(PY_ARRAY_UNIQUE_SYMBOL)
void **PyArray_API;
#else
static void **PyArray_API=NULL;
#endif
#endif

%s

#if !defined(NO_IMPORT_ARRAY) && !defined(NO_IMPORT)
static int
_import_array(void)
{
  int st;
  PyObject *numpy = PyImport_ImportModule("numpy.core.multiarray");
  PyObject *c_api = NULL;

  if (numpy == NULL) {
      PyErr_SetString(PyExc_ImportError, "numpy.core.multiarray failed to import");
      return -1;
  }
  c_api = PyObject_GetAttrString(numpy, "_ARRAY_API");
  Py_DECREF(numpy);
  if (c_api == NULL) {
      PyErr_SetString(PyExc_AttributeError, "_ARRAY_API not found");
      return -1;
  }

#if PY_VERSION_HEX >= 0x03000000
  if (!PyCapsule_CheckExact(c_api)) {
      PyErr_SetString(PyExc_RuntimeError, "_ARRAY_API is not PyCapsule object");
      Py_DECREF(c_api);
      return -1;
  }
  PyArray_API = (void **)PyCapsule_GetPointer(c_api, NULL);
#else
  if (!PyCObject_Check(c_api)) {
      PyErr_SetString(PyExc_RuntimeError, "_ARRAY_API is not PyCObject object");
      Py_DECREF(c_api);
      return -1;
  }
  PyArray_API = (void **)PyCObject_AsVoidPtr(c_api);
#endif
  Py_DECREF(c_api);
  if (PyArray_API == NULL) {
      PyErr_SetString(PyExc_RuntimeError, "_ARRAY_API is NULL pointer");
      return -1;
  }

  /* Perform runtime check of C API version */
  if (NPY_VERSION != PyArray_GetNDArrayCVersion()) {
      PyErr_Format(PyExc_RuntimeError, "module compiled against "\
             "ABI version 0x%%x but this version of numpy is 0x%%x", \
             (int) NPY_VERSION, (int) PyArray_GetNDArrayCVersion());
      return -1;
  }
  if (NPY_FEATURE_VERSION > PyArray_GetNDArrayCFeatureVersion()) {
      PyErr_Format(PyExc_RuntimeError, "module compiled against "\
             "API version 0x%%x but this version of numpy is 0x%%x", \
             (int) NPY_FEATURE_VERSION, (int) PyArray_GetNDArrayCFeatureVersion());
      return -1;
  }

  /*
   * Perform runtime check of endianness and check it matches the one set by
   * the headers (npy_endian.h) as a safeguard
   */
  st = PyArray_GetEndianness();
  if (st == NPY_CPU_UNKNOWN_ENDIAN) {
      PyErr_Format(PyExc_RuntimeError, "FATAL: module compiled as unknown endian");
      return -1;
  }
#if NPY_BYTE_ORDER == NPY_BIG_ENDIAN
  if (st != NPY_CPU_BIG) {
      PyErr_Format(PyExc_RuntimeError, "FATAL: module compiled as "\
             "big endian, but detected different endianness at runtime");
      return -1;
  }
#elif NPY_BYTE_ORDER == NPY_LITTLE_ENDIAN
  if (st != NPY_CPU_LITTLE) {
      PyErr_Format(PyExc_RuntimeError, "FATAL: module compiled as "\
             "little endian, but detected different endianness at runtime");
      return -1;
  }
#endif

  return 0;
}

#if PY_VERSION_HEX >= 0x03000000
#define NUMPY_IMPORT_ARRAY_RETVAL NULL
#else
#define NUMPY_IMPORT_ARRAY_RETVAL
#endif

#define import_array() {if (_import_array() < 0) {PyErr_Print(); PyErr_SetString(PyExc_ImportError, "numpy.core.multiarray failed to import"); return NUMPY_IMPORT_ARRAY_RETVAL; } }

#define import_array1(ret) {if (_import_array() < 0) {PyErr_Print(); PyErr_SetString(PyExc_ImportError, "numpy.core.multiarray failed to import"); return ret; } }

#define import_array2(msg, ret) {if (_import_array() < 0) {PyErr_Print(); PyErr_SetString(PyExc_ImportError, msg); return ret; } }

#endif

#endif
"""


c_template = r"""
/* These pointers will be stored in the C-object for use in other
    extension modules
*/

void *PyArray_API[] = {
%s
};
"""

c_api_header = """
===========
Numpy C-API
===========
"""

def generate_api(output_dir, force=False):
    basename = 'multiarray_api'

    h_file = os.path.join(output_dir, '__%s.h' % basename)
    c_file = os.path.join(output_dir, '__%s.c' % basename)
    d_file = os.path.join(output_dir, '%s.txt' % basename)
    targets = (h_file, c_file, d_file)

    sources = numpy_api.multiarray_api

    if (not force and not genapi.should_rebuild(targets, [numpy_api.__file__, __file__])):
        return targets
    else:
        do_generate_api(targets, sources)

    return targets

def do_generate_api(targets, sources):
    header_file = targets[0]
    c_file = targets[1]
    doc_file = targets[2]

    global_vars = sources[0]
    scalar_bool_values = sources[1]
    types_api = sources[2]
    multiarray_funcs = sources[3]

    multiarray_api = sources[:]

    module_list = []
    extension_list = []
    init_list = []

    # Check multiarray api indexes
    multiarray_api_index = genapi.merge_api_dicts(multiarray_api)
    genapi.check_api_dict(multiarray_api_index)

    numpyapi_list = genapi.get_api_functions('NUMPY_API',
                                              multiarray_funcs)
    ordered_funcs_api = genapi.order_dict(multiarray_funcs)

    # Create dict name -> *Api instance
    api_name = 'PyArray_API'
    multiarray_api_dict = {}
    for f in numpyapi_list:
        name = f.name
        index = multiarray_funcs[name][0]
        annotations = multiarray_funcs[name][1:]
        multiarray_api_dict[f.name] = FunctionApi(f.name, index, annotations,
                                                  f.return_type,
                                                  f.args, api_name)

    for name, val in global_vars.items():
        index, type = val
        multiarray_api_dict[name] = GlobalVarApi(name, index, type, api_name)

    for name, val in scalar_bool_values.items():
        index = val[0]
        multiarray_api_dict[name] = BoolValuesApi(name, index, api_name)

    for name, val in types_api.items():
        index = val[0]
        multiarray_api_dict[name] = TypeApi(name, index, 'PyTypeObject', api_name)

    if len(multiarray_api_dict) != len(multiarray_api_index):
        raise AssertionError("Multiarray API size mismatch %d %d" %
                        (len(multiarray_api_dict), len(multiarray_api_index)))

    extension_list = []
    for name, index in genapi.order_dict(multiarray_api_index):
        api_item = multiarray_api_dict[name]
        extension_list.append(api_item.define_from_array_api_string())
        init_list.append(api_item.array_api_define())
        module_list.append(api_item.internal_define())

    # Write to header
    fid = open(header_file, 'w')
    s = h_template % ('\n'.join(module_list), '\n'.join(extension_list))
    fid.write(s)
    fid.close()

    # Write to c-code
    fid = open(c_file, 'w')
    s = c_template % ',\n'.join(init_list)
    fid.write(s)
    fid.close()

    # write to documentation
    fid = open(doc_file, 'w')
    fid.write(c_api_header)
    for func in numpyapi_list:
        fid.write(func.to_ReST())
        fid.write('\n\n')
    fid.close()

    return targets

Name	Size	Permission
__pycache__	---	0755
include	---	0755
lib	---	0755
tests	---	0755
__init__.py	2586 bytes	0644
_dummy.cpython-35m-x86_64-linux-gnu.so	7152 bytes	0755
_internal.py	18264 bytes	0644
_methods.py	4308 bytes	0644
arrayprint.py	25597 bytes	0644
cversions.py	413 bytes	0644
defchararray.py	67850 bytes	0644
fromnumeric.py	99350 bytes	0644
function_base.py	6891 bytes	0644
generate_numpy_api.py	7417 bytes	0644
getlimits.py	9714 bytes	0644
info.py	4690 bytes	0644
machar.py	10790 bytes	0644
memmap.py	10378 bytes	0644
multiarray.cpython-35m-x86_64-linux-gnu.so	1612632 bytes	0755
multiarray_tests.cpython-35m-x86_64-linux-gnu.so	50200 bytes	0755
numeric.py	88743 bytes	0644
numerictypes.py	28784 bytes	0644
operand_flag_tests.cpython-35m-x86_64-linux-gnu.so	11384 bytes	0755
records.py	29435 bytes	0644
setup.py	40998 bytes	0644
setup_common.py	14166 bytes	0644
shape_base.py	9051 bytes	0644
struct_ufunc_test.cpython-35m-x86_64-linux-gnu.so	11344 bytes	0755
test_rational.cpython-35m-x86_64-linux-gnu.so	45800 bytes	0755
umath.cpython-35m-x86_64-linux-gnu.so	797320 bytes	0755
umath_tests.cpython-35m-x86_64-linux-gnu.so	19976 bytes	0755

File Content: generate_numpy_api.py

File Content: `generate_numpy_api.py`