`VgdZddlmZddlZddlZddlZddlmZddl Z ddl m Z GddZ Gdd Zd d ZGd d eZy)zE Utility functions and objects for implementing the interchange API. ) annotationsN)DtypeObj)is_datetime64_dtypecXeZdZdZdZdZdZdZdZdZ dZ d Z d Z d Z d Zd ZdZdZdZdZdZdZy) ArrowCTypesz Enum for Apache Arrow C type format strings. The Arrow C data interface: https://arrow.apache.org/docs/format/CDataInterface.html#data-type-description-format-strings nbcCsSiIlLefgutdDtdmzts{resolution}:{tz}ztt{resolution}N)__name__ __module__ __qualname____doc__NULLBOOLINT8UINT8INT16UINT16INT32UINT32INT64UINT64FLOAT16FLOAT32FLOAT64STRINGDATE32DATE64 TIMESTAMPTIME^/var/www/html/hubwallet-dev/venv/lib/python3.12/site-packages/pandas/core/interchange/utils.pyrrse D D D E E F E F E FGGG F F F &I Dr/rc eZdZdZdZdZdZdZy) Endiannessz.Enum indicating the byte-order of a data-type.<>=|N)rrrrLITTLEBIGNATIVENAr.r/r0r2r23s8 F C F Br/r2ct|tjrtjS|t j dk(rtjStt|jjd}||St|ritjdtjt j |j ddd}tj"j%|dSt'd|d ) a  Represent pandas `dtype` as a format string in Apache Arrow C notation. Parameters ---------- dtype : np.dtype Datatype of pandas DataFrame to represent. Returns ------- str Format string in Apache Arrow C notation of the given `dtype`. ONz\[(.*)\]r) resolutiontzzConversion of z- to Arrow C format string is not implemented.) isinstancepdCategoricalDtyperr$npdtyper)getattrnameupperrrefindalltypingcaststrr,formatNotImplementedError)rE format_strr?s r0dtype_to_arrow_c_fmtrQ<s%,,-   "((3- !!!ejj&6&6&8$?J5!ZZ V[[5-I-M-MNqQRTSTU $$++zb+II  LM r/ceZdZdZy)NoBufferPresentz6Exception to signal that there is no requested buffer.N)rrrrr.r/r0rSrS^s@r/rS)rErreturnrM)r __future__rrIrKnumpyrDpandas._typingrpandasrBpandas.api.typesrrr2rQ ExceptionrSr.r/r0r[sJ# #0B  DAiAr/