BUG GH31355 fixed by adding more relevant error message #36169

TAJD · 2020-09-06T18:47:12Z

closes BUG: Calling cartesian_product with large combinatorial space overflows int64 gives misleading errors #31355
tests added / passed
passes black pandas
passes git diff upstream/master -u -- "*.py" | flake8 --diff

Added a test to trigger the reported error using code from the issue. An if statement was included to return a more helpful error message - borrowing the solution from the issue.

Co-authored-by: Tom Augspurger <[email protected]>

Co-authored-by: Simon Hawkins <[email protected]>

…r intended (pandas-dev#35500) Co-authored-by: Kevin Sheppard <[email protected]>

…andas-dev#35501) Co-authored-by: Fangchen Li <[email protected]>

…R only) (pandas-dev#35535) Co-authored-by: Simon Hawkins <[email protected]>

…andas-dev#35536) Co-authored-by: Simon Hawkins <[email protected]>

Co-authored-by: Simon Hawkins <[email protected]>

…v#35539) Co-authored-by: Terji Petersen <[email protected]>

…andas-dev#35540) Co-authored-by: Daniel Saxton <[email protected]>

pandas-dev#35591) Co-authored-by: Matthew Roeschke <[email protected]>

…kle (pandas-dev#35593) Co-authored-by: Tom Augspurger <[email protected]>

…n DataFrame construction (pandas-dev#35597) Co-authored-by: jbrockmendel <[email protected]>

…ndas-dev#35600) Co-authored-by: gabicca <[email protected]>

… with null values (pandas-dev#35602) Co-authored-by: Eric Goddard <[email protected]>

…blocks (pandas-dev#35601) Co-authored-by: jbrockmendel <[email protected]>

…fault with center=True (pandas-dev#35610) Co-authored-by: Matthew Roeschke <[email protected]>

…ank style is ignored on False (pandas-dev#35619) Co-authored-by: attack68 <[email protected]>

…aFrame to numpy str (pandas-dev#35617) Co-authored-by: Daniel Saxton <[email protected]>

…est DeprecationWarning (pandas-dev#35623) Co-authored-by: Simon Hawkins <[email protected]>

…umn selection no longer raises ValueError (pandas-dev#35651) Co-authored-by: Matthew Roeschke <[email protected]>

…True for non-numeric dtypes pandas-dev#3… (pandas-dev#35652) Co-authored-by: Isaac Virshup <[email protected]>

… row in-place (pandas-dev#35666) Co-authored-by: jbrockmendel <[email protected]>

…upby.rolling (pandas-dev#35699) Co-authored-by: Matthew Roeschke <[email protected]>

…rance error (pandas-dev#35702) Co-authored-by: Yutaro Ikeda <[email protected]>

…DataFrame with MI and datatime level (pandas-dev#35716) Co-authored-by: Simon Hawkins <[email protected]>

…on master) (pandas-dev#35718)

… data (pandas-dev#35721) Co-authored-by: Joris Van den Bossche <[email protected]>

…renders (pandas-dev#35722) Co-authored-by: attack68 <[email protected]>

…ons (pandas-dev#35738) Co-authored-by: Richard Shadrach <[email protected]>

…st version (pandas-dev#35761) Co-authored-by: Ali McMaster <[email protected]>

…-naive values (pandas-dev#36166)

pep8speaks · 2020-09-06T18:47:15Z

Hello @TAJD! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

In the file pandas/_testing.py:

Line 2900:3: E227 missing whitespace around bitwise or shift operator
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In the file pandas/core/construction.py:

Line 53:1: E112 expected an indented block
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In the file pandas/core/dtypes/dtypes.py:

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In the file pandas/core/internals/managers.py:

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In the file pandas/core/window/rolling.py:

Line 2214:1: E305 expected 2 blank lines after class or function definition, found 0
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In the file pandas/plotting/_matplotlib/core.py:

Line 1147:3: E227 missing whitespace around bitwise or shift operator
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In the file pandas/plotting/_matplotlib/timeseries.py:

Line 27:1: E112 expected an indented block
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In the file pandas/tests/base/test_factorize.py:

Line 37:1: E305 expected 2 blank lines after class or function definition, found 1
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In the file pandas/tests/frame/test_block_internals.py:

Line 631:3: E227 missing whitespace around bitwise or shift operator
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In the file pandas/tests/groupby/aggregate/test_aggregate.py:

Line 1066:3: E227 missing whitespace around bitwise or shift operator
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In the file pandas/tests/io/test_gcs.py:

Line 33:3: E227 missing whitespace around bitwise or shift operator
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In the file pandas/tests/plotting/common.py:

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In the file pandas/tests/plotting/test_misc.py:

Line 404:1: E305 expected 2 blank lines after class or function definition, found 1
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In the file pandas/tests/plotting/test_series.py:

Line 831:1: E305 expected 2 blank lines after class or function definition, found 1
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In the file pandas/tests/series/test_constructors.py:

Line 1467:1: E305 expected 2 blank lines after class or function definition, found 0
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In the file pandas/tests/util/test_assert_frame_equal.py:

Line 271:1: E305 expected 2 blank lines after class or function definition, found 0
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In the file pandas/tests/util/test_assert_series_equal.py:

Line 307:1: E305 expected 2 blank lines after class or function definition, found 0
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In the file pandas/tests/window/test_grouper.py:

Line 212:1: E305 expected 2 blank lines after class or function definition, found 1
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Line 212:7: E225 missing whitespace around operator
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Line 366:5: E113 unexpected indentation
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Line 395:3: E227 missing whitespace around bitwise or shift operator
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Line 397:5: E113 unexpected indentation
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Comment last updated at 2020-09-13 11:52:47 UTC

TAJD · 2020-09-07T06:47:36Z

Not sure how to fix the test failures - have these been seen before?

…eric_data (pandas-dev#36188) Co-authored-by: jbrockmendel <[email protected]>

…ntinel_none for 32bit (pandas-dev#36200) Co-authored-by: Simon Hawkins <[email protected]>

pandas-dev#36134) (pandas-dev#36199) Co-authored-by: Harsh Sharma <[email protected]>

… groupby.rolling (pandas-dev#36203) Co-authored-by: patrick <[email protected]>

…pandas-dev#36213) Co-authored-by: Matthew Roeschke <[email protected]>

Co-authored-by: Simon Hawkins <[email protected]>

…#36217) Co-authored-by: Simon Hawkins <[email protected]>

…e does not preserve dataframe index name (pandas-dev#36221) Co-authored-by: Irv Lustig <[email protected]>

Co-authored-by: Simon Hawkins <[email protected]>

rhshadrach · 2020-09-11T01:12:53Z

The failure looks related:

FAILED pandas/tests/test_sorting.py::TestSafeSort::test_codes_out_of_bound[-1]

This test ends up calling cartesian_product with the argument

X = [array([0, 1], dtype=int8), array([0, 1], dtype=int8), array([0, 1, 2], dtype=int8)]

TAJD · 2020-09-12T09:45:30Z

My working hypothesis is that the worker failure could be due to the size of the array created to test if the error is being raised.

Using tracemalloc it can be seen that the memory allocated during cartesian_product with X as the above value or using the test case for error bounds is around 4 petabytes. This sort of thing breaks the code when the memory is actually created. What I'm wondering is on how to limit the size of the array which is created or whether there is a way to pick a test input which triggers the error without breaking the machine being used.

jreback · 2020-09-13T13:18:09Z

@TAJD you need to merge master

TAJD · 2020-09-13T13:36:56Z

Thanks @jreback I should have read the documentation!

meeseeksmachine and others added 30 commits July 29, 2020 15:35

Backport PR pandas-dev#35452: DOC: Start 1.1.1 (pandas-dev#35458)

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Co-authored-by: Tom Augspurger <[email protected]>

Backport PR pandas-dev#35272: CI: Unpin pytest (pandas-dev#35469)

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Co-authored-by: Simon Hawkins <[email protected]>

Backport PR pandas-dev#35477: MAINT: Use float arange when required o…

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…r intended (pandas-dev#35500) Co-authored-by: Kevin Sheppard <[email protected]>

Backport PR pandas-dev#35470: CI: unpin isort 5 (pandas-dev#35134) (p…

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…andas-dev#35501) Co-authored-by: Fangchen Li <[email protected]>

Backport PR pandas-dev#35467: CI: activate github actions on 1.1.x (P…

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…R only) (pandas-dev#35535) Co-authored-by: Simon Hawkins <[email protected]>

Backport PR pandas-dev#35468: CI: activate azure pipelines on 1.1.x (p…

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…andas-dev#35536) Co-authored-by: Simon Hawkins <[email protected]>

Backport PR pandas-dev#35502: CI: xfail numpy-dev (pandas-dev#35537)

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Co-authored-by: Simon Hawkins <[email protected]>

Backport PR pandas-dev#35440: BUG: CategoricalIndex.format (pandas-de…

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…v#35539) Co-authored-by: Terji Petersen <[email protected]>

Backport PR pandas-dev#35510: REGR: Check for float in isnaobj_old (p…

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…andas-dev#35540) Co-authored-by: Daniel Saxton <[email protected]>

Backport PR pandas-dev#35513: BUG: RollingGroupby respects __getitem__ (

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pandas-dev#35591) Co-authored-by: Matthew Roeschke <[email protected]>

Backport PR pandas-dev#35554: DOC: Document that read_hdf can use pic…

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…kle (pandas-dev#35593) Co-authored-by: Tom Augspurger <[email protected]>

Backport PR pandas-dev#35590: BUG: validate index/data length match i…

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…n DataFrame construction (pandas-dev#35597) Co-authored-by: jbrockmendel <[email protected]>

Backport PR pandas-dev#35547: Bug fix one element series truncate (pa…

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…ndas-dev#35600) Co-authored-by: gabicca <[email protected]>

Backport PR pandas-dev#35582: BUG: to_timedelta fails on Int64 Series…

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… with null values (pandas-dev#35602) Co-authored-by: Eric Goddard <[email protected]>

Backport PR pandas-dev#35578: BUG: df.shift(n, axis=1) with multiple …

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…blocks (pandas-dev#35601) Co-authored-by: jbrockmendel <[email protected]>

Backport PR pandas-dev#35562: BUG: Ensure rolling groupby doesn't seg…

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…fault with center=True (pandas-dev#35610) Co-authored-by: Matthew Roeschke <[email protected]>

Backport PR pandas-dev#35588: BUG: fix styler cell_ids arg so that bl…

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…ank style is ignored on False (pandas-dev#35619) Co-authored-by: attack68 <[email protected]>

Backport PR pandas-dev#35473: REGR: Fix conversion of mixed dtype Dat…

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…aFrame to numpy str (pandas-dev#35617) Co-authored-by: Daniel Saxton <[email protected]>

Backport PR pandas-dev#35621: CI: Linux py36_locale failures with pyt…

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…est DeprecationWarning (pandas-dev#35623) Co-authored-by: Simon Hawkins <[email protected]>

Backport PR pandas-dev#35639: BUG: RollingGroupby with closed and col…

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…umn selection no longer raises ValueError (pandas-dev#35651) Co-authored-by: Matthew Roeschke <[email protected]>

Backport PR pandas-dev#35522: BUG: Fix assert_equal when check_exact=…

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…True for non-numeric dtypes pandas-dev#3… (pandas-dev#35652) Co-authored-by: Isaac Virshup <[email protected]>

Backport PR pandas-dev#35633: BUG: DataFrame.apply with func altering…

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… row in-place (pandas-dev#35666) Co-authored-by: jbrockmendel <[email protected]>

Backport PR pandas-dev#35647: BUG: Support custom BaseIndexers in gro…

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…upby.rolling (pandas-dev#35699) Co-authored-by: Matthew Roeschke <[email protected]>

Backport PR pandas-dev#35654: BUG: pandas-devGH-35558 merge_asof tole…

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…rance error (pandas-dev#35702) Co-authored-by: Yutaro Ikeda <[email protected]>

Backport PR pandas-dev#35673: REGR: Dataframe.reset_index() on empty …

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…DataFrame with MI and datatime level (pandas-dev#35716) Co-authored-by: Simon Hawkins <[email protected]>

CI: doctest failure for read_hdf on 1.1.x (fixed in pandas-dev#35214 …

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…on master) (pandas-dev#35718)

Backport PR pandas-dev#35707: REGR: fix DataFrame.diff with read-only…

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… data (pandas-dev#35721) Co-authored-by: Joris Van den Bossche <[email protected]>

Backport PR pandas-dev#35664: BUG: Styler cell_ids fails on multiple …

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…renders (pandas-dev#35722) Co-authored-by: attack68 <[email protected]>

Backport PR pandas-dev#35723: agg with list of non-aggregating functi…

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…ons (pandas-dev#35738) Co-authored-by: Richard Shadrach <[email protected]>

Backport PR pandas-dev#35754: CI: Min Pytest Cov Version/Restrict xdi…

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…st version (pandas-dev#35761) Co-authored-by: Ali McMaster <[email protected]>

meeseeksmachine and others added 3 commits September 6, 2020 14:07

Backport PR pandas-dev#36115: REGR: append tz-aware DataFrame with tz…

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…-naive values (pandas-dev#36166)

BUG GH31355 fixed by adding more relevant error message

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formatted code

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TAJD closed this Sep 6, 2020

TAJD reopened this Sep 6, 2020

meeseeksmachine and others added 11 commits September 7, 2020 15:06

Backport PR pandas-dev#35882: BUG: item_cache invalidation in get_num…

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…eric_data (pandas-dev#36188) Co-authored-by: jbrockmendel <[email protected]>

Backport PR pandas-dev#36191: TST: update test_series_factorize_na_se…

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…ntinel_none for 32bit (pandas-dev#36200) Co-authored-by: Simon Hawkins <[email protected]>

BUG: shows correct package name when import_optional_dependency is ca… (

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pandas-dev#36134) (pandas-dev#36199) Co-authored-by: Harsh Sharma <[email protected]>

Backport PR pandas-dev#36152: Fix compressed multiindex for output of…

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… groupby.rolling (pandas-dev#36203) Co-authored-by: patrick <[email protected]>

Backport PR pandas-dev#36208: BUG: GroupbyRolling with an empty frame (…

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…pandas-dev#36213) Co-authored-by: Matthew Roeschke <[email protected]>

Backport PR pandas-dev#36205: DOC: doc fix (pandas-dev#36215)

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Co-authored-by: Simon Hawkins <[email protected]>

Backport PR pandas-dev#36182: DOC: release date for 1.1.2 (pandas-dev…

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…#36217) Co-authored-by: Simon Hawkins <[email protected]>

TST: skip test_groupby_rolling_index_changed on 32bit (pandas-dev#36220)

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Backport PR pandas-dev#36141: BUG: copying series into empty datafram…

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…e does not preserve dataframe index name (pandas-dev#36221) Co-authored-by: Irv Lustig <[email protected]>

RLS: 1.1.2

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Backport PR pandas-dev#36183: DOC: Start 1.1.3 (pandas-dev#36242)

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Co-authored-by: Simon Hawkins <[email protected]>

rhshadrach added Error Reporting Incorrect or improved errors from pandas Reshaping Concat, Merge/Join, Stack/Unstack, Explode labels Sep 11, 2020

rhshadrach added this to the 1.2 milestone Sep 11, 2020

rhshadrach removed this from the 1.2 milestone Sep 11, 2020

Thomas Dickson added 2 commits September 13, 2020 12:50

alter position of error message being raised

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alter position of error message being raised

76066ec

TAJD closed this Sep 13, 2020

TAJD mentioned this pull request Sep 13, 2020

ERR: Cartesian product error #36335

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BUG GH31355 fixed by adding more relevant error message #36169

BUG GH31355 fixed by adding more relevant error message #36169

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TAJD commented Sep 6, 2020 •

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pep8speaks commented Sep 6, 2020 •

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TAJD commented Sep 7, 2020

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TAJD commented Sep 12, 2020 •

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jreback commented Sep 13, 2020

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TAJD commented Sep 13, 2020

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BUG GH31355 fixed by adding more relevant error message #36169

BUG GH31355 fixed by adding more relevant error message #36169

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Comment last updated at 2020-09-13 11:52:47 UTC

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TAJD commented Sep 6, 2020 •

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TAJD commented Sep 12, 2020 •

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