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How to use register_dtype method in pandera

Best Python code snippet using pandera_python

dtypes.py

Source:dtypes.py

...24OTHER DEALINGS IN THE SOFTWARE.25"""26# {{{ registry27NAME_TO_DTYPE = {}28def register_dtype(dtype, c_names):29    """30    Associate a numpy dtype with its C equivalents.31    :param dtype: type to associate32    :type dtype: numpy.dtype or string33    :param c_names: list of C type names34    :type c_names: str or list35    Will register `dtype` for use with the gpuarray module.  If the36    c_names argument is a list then the first element of that list is37    taken as the primary association and will be used for generated C38    code.  The other types will be mapped to the provided dtype when39    going in the other direction.40    """41    if isinstance(c_names, str):42        c_names = [c_names]43    dtype = np.dtype(dtype)44    # register if not already there45    try:46        gpuarray.dtype_to_ctype(dtype)47    except ValueError:48        gpuarray.register_dtype(dtype, c_names[0])49    for nm in c_names:50        if nm in NAME_TO_DTYPE and NAME_TO_DTYPE[nm] != dtype:51            raise RuntimeError("name '%s' already registered" % nm)52        NAME_TO_DTYPE[nm] = dtype53def _fill_dtype_registry(respect_windows):54    from sys import platform55    register_dtype(np.bool, ["ga_bool", "bool"])56    register_dtype(np.int8, ["ga_byte", "char", "signed char"])57    register_dtype(np.uint8, ["ga_ubyte", "unsigned char"])58    register_dtype(np.int16, ["ga_short", "short", "signed short", "signed short int", "short signed int"])59    register_dtype(np.uint16, ["ga_ushort", "unsigned short", "unsigned short int", "short unsigned int"])60    register_dtype(np.int32, ["ga_int", "int", "signed int"])61    register_dtype(np.uint32, ["ga_uint", "unsigned", "unsigned int"])62    register_dtype(np.int64, ["ga_long"])63    register_dtype(np.uint64, ["ga_ulong"])64    is_64_bit = tuple.__itemsize__ * 8 == 6465    if is_64_bit:66        if 'win32' in platform and respect_windows:67            i64_name = "long long"68        else:69            i64_name = "long"70        register_dtype(np.int64, [i64_name, "%s int" % i64_name,71                                  "signed %s int" % i64_name,72                                  "%s signed int" % i64_name])73        register_dtype(np.uint64, ["unsigned %s" % i64_name,74                                   "unsigned %s int" % i64_name,75                                   "%s unsigned int" % i64_name])76    # According to this uintp may not have the same hash as uint32:77    # http://projects.scipy.org/numpy/ticket/201778    # Failing tests tell me this is the case for intp too.79    if is_64_bit:80        register_dtype(np.intp, ["ga_long"])81        register_dtype(np.uintp, ["ga_ulong"])82    else:83        register_dtype(np.intp, ["ga_int"])84        register_dtype(np.uintp, ["ga_uint"])85    register_dtype(np.float32, ["ga_float", "float"])86    register_dtype(np.float64, ["ga_double", "double"])87# }}}88# {{{ dtype -> ctype89def dtype_to_ctype(dtype, with_fp_tex_hack=False):90    """91    Return the C type that corresponds to `dtype`.92    :param dtype: a numpy dtype93    """94    if dtype is None:95        raise ValueError("dtype may not be None")96    dtype = np.dtype(dtype)97    if with_fp_tex_hack:98        if dtype == np.float32:99            return "fp_tex_float"100        elif dtype == np.float64:...

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