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

Merged

jreback merged 32 commits intopandas-dev:masterfrom

anmyachev:parse-slashed-date

Apr 20, 2019

Commits on Apr 19, 2019

Add new benchmarks for parsing datetime strings
anmyachev
committed
Implement parsing dd/mm/yyyy and mm/dd/yyyy in Cython

vnlitvinov
authored and
anmyachev
committed
fix code style
anmyachev
committed
using DEF statement for compile-time constant
anmyachev
committed
parse_slashed_date simplification
anmyachev
committed
removed micro-bench
anmyachev
committed
Support mm-yyyy along with mm-dd-yyyy

vnlitvinov
authored and
anmyachev
committed
Rename parse_slashed_date to parse_delimited_date

vnlitvinov
authored and
anmyachev
committed
Speed up parse_datetime_string_with_reso

vnlitvinov
authored and
anmyachev
committed
fix code style
anmyachev
committed
Move to datetime_new, add docstring to _parse_delimited_date

vnlitvinov
authored and
anmyachev
committed
Add whatsnew entry

vnlitvinov
authored and
anmyachev
committed
fix parsing MM/YYYY for MM > 12
anmyachev
committed
added tests for parse_delimited_date
anmyachev
committed
fix flake8 bugs in test_parse_dates.py
anmyachev
committed
Fix date parsing for Python <= 3.6.0

vnlitvinov
authored and
anmyachev
committed
removed parsing MM.YYYY format, because, for example, 10.2019 interpreted as a float number, on the other hand 09.2019 can be parsed as date
anmyachev
committed
Remove whatsnew entry for the change

vnlitvinov
authored and
anmyachev
committed
Remove duplicate parsing of MM-YYYY in _parse_dateabbr_string

vnlitvinov
authored and
anmyachev
committed
added some comments in _parse_delimited_date
anmyachev
committed
fix docstring in _parse_delimited_date
anmyachev
committed
fix bug when parsing 01/12/2019 with dayfirst==True
anmyachev
committed
first attemp to use hypothesis in tests
anmyachev
committed
apply isort on pandas/tests/io/parser/test_parse_dates.py
anmyachev
committed
added new '%Y %m %d' format and 2 @pytest.mark.parametrize for test_hypothesis_delimited_date
anmyachev
committed
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
committed
added message for pytest.skip(); more complete docstring in _parse_delimited_date now
anmyachev
committed
removed \ delimiter
anmyachev
committed
using is_platform_windows() in date_strategy definition; changed date -> test_datetime
anmyachev
committed
fixed import order; using @settings(deadline=None) now; dates with year < 1000 not processig in _parse_delimited_date now
anmyachev
committed
removed extra 'parse' import
anmyachev
committed
_is_not_delimiter is inline now
anmyachev
committed

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

PERF: Parse certain dates in Cython instead of falling back to dateutil.parse#25922
jreback merged 32 commits intopandas-dev:masterfrom
anmyachev:parse-slashed-date

Commits on Apr 19, 2019

Add new benchmarks for parsing datetime strings

Implement parsing dd/mm/yyyy and mm/dd/yyyy in Cython

fix code style

using DEF statement for compile-time constant

parse_slashed_date simplification

removed micro-bench

Support mm-yyyy along with mm-dd-yyyy

Rename parse_slashed_date to parse_delimited_date

Speed up parse_datetime_string_with_reso

fix code style

Move to datetime_new, add docstring to _parse_delimited_date

Add whatsnew entry

fix parsing MM/YYYY for MM > 12

added tests for parse_delimited_date

fix flake8 bugs in test_parse_dates.py

Fix date parsing for Python <= 3.6.0

removed parsing MM.YYYY format, because, for example, 10.2019 interpreted as a float number, on the other hand 09.2019 can be parsed as date

Remove whatsnew entry for the change

Remove duplicate parsing of MM-YYYY in _parse_dateabbr_string

added some comments in _parse_delimited_date

fix docstring in _parse_delimited_date

fix bug when parsing 01/12/2019 with dayfirst==True

first attemp to use hypothesis in tests

apply isort on pandas/tests/io/parser/test_parse_dates.py

added new '%Y %m %d' format and 2 @pytest.mark.parametrize for test_hypothesis_delimited_date

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

added message for pytest.skip(); more complete docstring in _parse_delimited_date now

removed \ delimiter

using is_platform_windows() in date_strategy definition; changed date -> test_datetime

fixed import order; using @settings(deadline=None) now; dates with year < 1000 not processig in _parse_delimited_date now

removed extra 'parse' import

_is_not_delimiter is inline now

Uh oh!

PERF: Parse certain dates in Cython instead of falling back to dateutil.parse#25922jreback merged 32 commits intopandas-dev:masterpandas-dev/pandas:masterfrom anmyachev:parse-slashed-dateanmyachev/pandas:parse-slashed-dateCopy head branch name to clipboard

Commits

Commits on Apr 19, 2019

PERF: Parse certain dates in Cython instead of falling back to dateutil.parse#25922
jreback merged 32 commits intopandas-dev:masterfrom
anmyachev:parse-slashed-date