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PERF: Parse certain dates in Cython instead of falling back to dateutil.parse #25922

Merged
merged 32 commits into from
Apr 20, 2019
Merged

PERF: Parse certain dates in Cython instead of falling back to dateutil.parse #25922

merged 32 commits into from
Apr 20, 2019

Commits on Apr 19, 2019

  1. Add new benchmarks for parsing datetime strings

    @anmyachev
    anmyachev committed Apr 19, 2019
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  2. Implement parsing dd/mm/yyyy and mm/dd/yyyy in Cython

    @vnlitvinov @anmyachev
    vnlitvinov authored and anmyachev committed Apr 19, 2019
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  3. fix code style

    @anmyachev
    anmyachev committed Apr 19, 2019
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  4. using DEF statement for compile-time constant

    @anmyachev
    anmyachev committed Apr 19, 2019
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  5. parse_slashed_date simplification

    @anmyachev
    anmyachev committed Apr 19, 2019
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  6. removed micro-bench

    @anmyachev
    anmyachev committed Apr 19, 2019
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  7. Support mm-yyyy along with mm-dd-yyyy

    @vnlitvinov @anmyachev
    vnlitvinov authored and anmyachev committed Apr 19, 2019
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  8. Rename parse_slashed_date to parse_delimited_date

    @vnlitvinov @anmyachev
    vnlitvinov authored and anmyachev committed Apr 19, 2019
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  9. Speed up parse_datetime_string_with_reso

    @vnlitvinov @anmyachev
    vnlitvinov authored and anmyachev committed Apr 19, 2019
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  10. fix code style

    @anmyachev
    anmyachev committed Apr 19, 2019
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  11. Move to datetime_new, add docstring to _parse_delimited_date

    @vnlitvinov @anmyachev
    vnlitvinov authored and anmyachev committed Apr 19, 2019
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  12. Add whatsnew entry

    @vnlitvinov @anmyachev
    vnlitvinov authored and anmyachev committed Apr 19, 2019
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  13. fix parsing MM/YYYY for MM > 12

    @anmyachev
    anmyachev committed Apr 19, 2019
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  14. added tests for parse_delimited_date

    @anmyachev
    anmyachev committed Apr 19, 2019
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  15. fix flake8 bugs in test_parse_dates.py

    @anmyachev
    anmyachev committed Apr 19, 2019
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  16. Fix date parsing for Python <= 3.6.0

    @vnlitvinov @anmyachev
    vnlitvinov authored and anmyachev committed Apr 19, 2019
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  17. removed parsing MM.YYYY format, because, for example, 10.2019 interpr… 

    …eted as a float number, on the other hand 09.2019 can be parsed as date
    @anmyachev
    anmyachev committed Apr 19, 2019
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  18. Remove whatsnew entry for the change 

    It turned out that there is no change in behaviour
    @vnlitvinov @anmyachev
    vnlitvinov authored and anmyachev committed Apr 19, 2019
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  19. Remove duplicate parsing of MM-YYYY in _parse_dateabbr_string 

    This pattern is already handled by _parse_delimited_date
    @vnlitvinov @anmyachev
    vnlitvinov authored and anmyachev committed Apr 19, 2019
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  20. added some comments in _parse_delimited_date

    @anmyachev
    anmyachev committed Apr 19, 2019
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  21. fix docstring in _parse_delimited_date

    @anmyachev
    anmyachev committed Apr 19, 2019
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  22. fix bug when parsing 01/12/2019 with dayfirst==True

    @anmyachev
    anmyachev committed Apr 19, 2019
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  23. first attemp to use hypothesis in tests

    @anmyachev
    anmyachev committed Apr 19, 2019
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  24. apply isort on pandas/tests/io/parser/test_parse_dates.py

    @anmyachev
    anmyachev committed Apr 19, 2019
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  25. added new '%Y %m %d' format and 2 @pytest.mark.parametrize for test_h… 

    …ypothesis_delimited_date
    @anmyachev
    anmyachev committed Apr 19, 2019
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  26. removed test_parse_delimited_date; added next formats: '%y %m %d', '%… 

    …Y%m%d', '%y%m%d' for test_hypothesis_delimited_date; created _helper_hypothesis_delimited_date func
    @anmyachev
    anmyachev committed Apr 19, 2019
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  27. added message for pytest.skip(); more complete docstring in _parse_de… 

    …limited_date now
    @anmyachev
    anmyachev committed Apr 19, 2019
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  28. removed \ delimiter

    @anmyachev
    anmyachev committed Apr 19, 2019
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  29. using is_platform_windows() in date_strategy definition; changed date… 

    … -> test_datetime
    @anmyachev
    anmyachev committed Apr 19, 2019
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  30. fixed import order; using @settings(deadline=None) now; dates with ye… 

    …ar < 1000 not processig in _parse_delimited_date now
    @anmyachev
    anmyachev committed Apr 19, 2019
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  31. removed extra 'parse' import

    @anmyachev
    anmyachev committed Apr 19, 2019
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  32. _is_not_delimiter is inline now

    @anmyachev
    anmyachev committed Apr 19, 2019
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