resources.py 文件源码

def _load_knownGene(filename):
        """ Load UCSC knownGene table.

        Parameters
        ----------
        filename : str
            path to knownGene file

        Returns
        -------
        df : pandas.DataFrame
            knownGene table if loading was successful, else None
        """
        if filename is None:
            return None

        try:
            df = pd.read_table(filename, names=['name', 'chrom', 'strand', 'txStart', 'txEnd',
                                                'cdsStart', 'cdsEnd', 'exonCount', 'exonStarts',
                                                'exonEnds', 'proteinID', 'alignID'], index_col=0)
            df['chrom'] = df['chrom'].str[3:]
            return df
        except Exception as err:
            print(err)
            return None