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BUG: invalid dtypes should raise #15520

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jreback opened this issue Feb 27, 2017 · 5 comments
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BUG: invalid dtypes should raise #15520

jreback opened this issue Feb 27, 2017 · 5 comments
Labels
Dtype Conversions Unexpected or buggy dtype conversions Error Reporting Incorrect or improved errors from pandas
Milestone
0.20.0

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@jreback
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jreback commented Feb 27, 2017

xref dask/dask#1965

when an explict dtype is provided, we should raise if its not a valid numpy/pandas dtype.

In [1]: pd.Series([], name='time',dtype=pd.Timestamp)
Out[1]: Series([], Name: time, dtype: object)
@jreback jreback added Difficulty Novice Dtype Conversions Unexpected or buggy dtype conversions Error Reporting Incorrect or improved errors from pandas labels Feb 27, 2017
@jreback jreback added this to the Next Major Release milestone Feb 27, 2017
@jreback jreback mentioned this issue Feb 27, 2017
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@petioptrv
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Hi, I am looking into contributing to open source projects and this looks like a good first-time contibution to start with. I'd like to give it a try.

@jreback
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jreback commented Mar 3, 2017

great

contributing docs are http://pandas.pydata.org/pandas-docs/stable/contributing.html

@trevorpburke
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Put in a pull request for this issue. This is my first contribution attempt, so please let me know if I'm way off base here.

@petioptrv
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Should be addressing this at the source of the problem (raise anytime a function passes a non-valid dtype), or should we raise only when this happens in a Series function call?

@petioptrv
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Here is my suggestion for this issue: 607ae9c

@trevorpburke trevorpburke mentioned this issue Mar 5, 2017
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@petioptrv petioptrv mentioned this issue Mar 5, 2017
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analyticalmonk pushed a commit to analyticalmonk/pandas that referenced this issue Apr 18, 2017
wrote test representing bug fix result for pandas-dev#15520
8262133
@analyticalmonk analyticalmonk mentioned this issue Apr 18, 2017
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analyticalmonk pushed a commit to analyticalmonk/pandas that referenced this issue Apr 20, 2017
modified pandas_dtype() to raise error when provided invalid dtype as…
9200c74 
… per pandas-dev#15520

This change ensures that no error is raised when type 'object' is passed.
analyticalmonk pushed a commit to analyticalmonk/pandas that referenced this issue Apr 20, 2017
modified pandas_dtype() to raise error when provided invalid dtype as…
cfcc4c2 
… per pandas-dev#15520

This change ensures that no error is raised when type 'object' is passed.
analyticalmonk pushed a commit to analyticalmonk/pandas that referenced this issue Apr 21, 2017
TST: wrote test representing bug fix result for pandas-dev#15520
7703f02
@jreback jreback modified the milestones: 0.20.0, Next Major Release Apr 24, 2017
analyticalmonk added a commit to analyticalmonk/pandas that referenced this issue Apr 24, 2017
@analyticalmonk
TST: wrote test representing bug fix result for pandas-dev#15520
99fb660
pcluo pushed a commit to pcluo/pandas that referenced this issue May 22, 2017
@analyticalmonk @pcluo
BUG: raise for invalid dtypes per issue pandas-dev#15520
3234601 
closes pandas-dev#15520

Author: Akash Tandon <[email protected]>
Author: root <[email protected]>
Author: analyticalmonk <[email protected]>
Author: Akash Tandon <[email protected]>

Closes pandas-dev#16047 from analyticalmonk/patch_for_15520 and squashes the following commits:

3646eb6 [analyticalmonk] TST: check for invalid dtype for Series constructor per GH15520
73d980a [Akash Tandon] Merge branch 'master' into patch_for_15520
b3c2fbb [root] BUG: Added 'O' to pandas_dtype's valid list
c3699fb [root] DOC: added whatsnew entry for PR#16047 addressing GH15520
fbed5a6 [Akash Tandon] TST: Added list to invalid dtype
ad9f345 [Akash Tandon] CLN: refactored code related to issue GH15520
a358181 [Akash Tandon] BUG: Added numpy.dtype_ to valid pandas_dtype() type list
3eaa432 [Akash Tandon] TST: Added numpy.object_ dtype to valid pandas_dtype list
f858726 [Akash Tandon] style fix
d4971cd [Akash Tandon] BUG: pandas_dtype() to raise error for invalid dtype per GH15520
ee0030f [Akash Tandon] TST: added more test-cases for pandas_dtype() test
3700259 [Akash Tandon] CLN: Replace _coerce_to_dtype() with pandas_dtype()
c10e1d4 [Akash Tandon] TST: maintain list containing dtypes in TestPandasDtype
fecba12 [Akash Tandon] BUG: Raise when invalid dtype passed to pandas_dtype
99fb660 [Akash Tandon] TST: wrote test representing bug fix result for pandas-dev#15520
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Dtype Conversions Unexpected or buggy dtype conversions Error Reporting Incorrect or improved errors from pandas
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0.20.0
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@jreback @petioptrv @trevorpburke