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stephenrauch opened this issue Feb 8, 2017 · 0 comments
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Multiline Eval broken for local variables after first line #15342

stephenrauch opened this issue Feb 8, 2017 · 0 comments
Labels
Bug Numeric Operations Arithmetic, Comparison, and Logical operations
Milestone
0.20.0

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@stephenrauch
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Problem description

As discussed here, using local variables with a multi-line eval does not work for locals not on the first line.

This:

df.eval("""c = a * @x
           d = b * @y""", inplace = True)

fails with:

error: pandas.computation.ops.UndefinedVariableError: local variable 'y' is not defined

NOTE: I will be submitting a PR shortly.

Output of pd.show_versions()

INSTALLED VERSIONS ------------------ commit: None python: 3.5.1.final.0 python-bits: 32 OS: Windows OS-release: 7 machine: AMD64 processor: Intel64 Family 6 Model 69 Stepping 1, GenuineIntel byteorder: little

pandas: 0.19.2
nose: 1.3.7
pip: 8.1.2
setuptools: 18.2
Cython: None
numpy: 1.12.0
dateutil: 2.6.0
pytz: 2016.6.1
@stephenrauch stephenrauch mentioned this issue Feb 8, 2017
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@jreback jreback added Bug Numeric Operations Arithmetic, Comparison, and Logical operations labels Feb 8, 2017
@jreback jreback added this to the 0.20.0 milestone Feb 8, 2017
@jreback jreback closed this as completed in 3c9fec3 Feb 9, 2017
AnkurDedania pushed a commit to AnkurDedania/pandas that referenced this issue Mar 21, 2017
@stephenrauch @AnkurDedania
BUG: Multiline Eval broken for local variables after first line
e5a58f0 
Also fixes the code which attempted to ignore any blank lines in the
multiline expression.

closes pandas-dev#15342

Author: Stephen Rauch <[email protected]>

Closes pandas-dev#15343 from stephenrauch/multi-line-eval-with-local and squashes the following commits:

fe67ede [Stephen Rauch] BUG: GH15342 - Multiline Eval broken for local variables after first line
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BUG: Multiline Eval broken for local variables after first line stephenrauch/pandas
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