parsers.py

import numpy as np

from pandas._libs.tslibs.parsing import (
    _concat_date_cols, _does_string_look_like_datetime)


class DoesStringLookLikeDatetime(object):

    params = (['2Q2005', '0.0', '10000'],)
    param_names = ['value']

    def setup(self, value):
        self.objects = [value] * 1000000

    def time_check_datetimes(self, value):
        for obj in self.objects:
            _does_string_look_like_datetime(obj)


class ConcatDateCols(object):

    params = ([1234567890, 'AAAA'], [1, 2])
    param_names = ['value', 'dim']

    def setup(self, value, dim):
        count_elem = 10000
        if dim == 1:
            self.object = (np.array([value] * count_elem),)
        if dim == 2:
            self.object = (np.array([value] * count_elem),
                           np.array([value] * count_elem))

    def time_check_concat(self, value, dim):
        _concat_date_cols(self.object)