ó šxŠ\c@sœdZddlmZddlmZddlmZddlmZm Z m Z ddl m Z d„Z d„Zed d d d ƒded „ƒZdS(s feather-format compat iÿÿÿÿ(t LooseVersion(trange(tdeprecate_kwarg(t DataFramet Int64Indext RangeIndex(t_stringify_pathcCsty ddl}ddlm}Wntk r?tdƒ‚nXt|jƒtdƒkrjtdƒ‚n||fS(Niÿÿÿÿ(tfeathers{pyarrow is not installed you can install via conda conda install pyarrow -c conda-forge or via pip pip install -U pyarrow s0.9.0spyarrow >= 0.9.0 required for feather support you can install via conda conda install pyarrow -c conda-forgeor via pip pip install -U pyarrow (tpyarrowRt ImportErrorRt __version__(RR((s7lib/python2.7/site-packages/pandas/io/feather_format.pyt _try_import s  cCst|ƒ}t|tƒs*tdƒ‚ntƒd}ddh}t|jtƒsvtdjt|jƒƒƒ‚n|jj t j t t |ƒƒƒƒs¬tdƒ‚n|jjd k rÍtdƒ‚n|jj|krîtdƒ‚n|j||ƒd S( s• Write a DataFrame to the feather-format Parameters ---------- df : DataFrame path : string file path, or file-like object s'feather only support IO with DataFramesitstringtunicodesmfeather does not support serializing {} for the index; you can .reset_index()to make the index into column(s)sfeather does not support serializing a non-default index for the index; you can .reset_index() to make the index into column(s)s=feather does not serialize index meta-data on a default indexs%feather must have string column namesN(Rt isinstanceRt ValueErrorR tindexRtformatttypetequalsRt from_rangeRtlentnametNonetcolumnst inferred_typet write_feather(tdftpathRt valid_types((s7lib/python2.7/site-packages/pandas/io/feather_format.pyt to_feather%s    't old_arg_nametnthreadst new_arg_namet use_threadscCstƒ\}}t|ƒ}t|jƒtdƒkrpt|ƒ}|dkrWd}n|j|d|d|ƒS|j|d|dt|ƒƒS(su Load a feather-format object from the file path .. versionadded 0.20.0 Parameters ---------- path : string file path, or file-like object columns : sequence, default None If not provided, all columns are read .. versionadded 0.24.0 nthreads : int, default 1 Number of CPU threads to use when reading to pandas.DataFrame .. versionadded 0.21.0 .. deprecated 0.24.0 use_threads : bool, default True Whether to parallelize reading using multiple threads .. versionadded 0.24.0 Returns ------- type of object stored in file s0.11.0iRR R"(R RRR tintt read_feathertbool(RRR"RRtint_use_threads((s7lib/python2.7/site-packages/pandas/io/feather_format.pyR$Vs    N(t__doc__tdistutils.versionRt pandas.compatRtpandas.util._decoratorsRtpandasRRRtpandas.io.commonRR RRtTrueR$(((s7lib/python2.7/site-packages/pandas/io/feather_format.pyts  1