BUG: to_string with index=False incorrectly shifts truncation (ellipsis) column · Issue #40904 · pandas-dev/pandas (original) (raw)
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Code Sample, a copy-pastable example
import pandas as pd df = pd.DataFrame([[0]*100] * 10) print(df.to_string(index=False, max_cols=20))
Output
0 1 2 3 4 5 6 7 8 9 90 ... 91 92 93 94 95 96 97 98 99
0 0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0
Problem description
to_string is placing the truncation column (i.e. the column with the ellipses) one position too far to the right. This should not happen.
Expected Output
0 1 2 3 4 5 6 7 8 9 ... 90 91 92 93 94 95 96 97 98 99
0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 0 0 0 0
Output of pd.show_versions()
INSTALLED VERSIONS
commit : f2c8480
python : 3.9.4.final.0
python-bits : 64
OS : Windows
OS-release : 10
Version : 10.0.19041
machine : AMD64
processor : Intel64 Family 6 Model 158 Stepping 9, GenuineIntel
byteorder : little
LC_ALL : None
LANG : None
LOCALE : English_United States.1252
pandas : 1.2.3
numpy : 1.20.2
pytz : 2021.1
dateutil : 2.8.1
pip : 21.0.1
setuptools : 54.1.2
Cython : None
pytest : 6.2.3
hypothesis : None
sphinx : None
blosc : None
feather : None
xlsxwriter : None
lxml.etree : None
html5lib : None
pymysql : None
psycopg2 : None
jinja2 : 2.11.3
IPython : 7.22.0
pandas_datareader: None
bs4 : 4.9.3
bottleneck : None
fsspec : None
fastparquet : None
gcsfs : None
matplotlib : None
numexpr : None
odfpy : None
openpyxl : None
pandas_gbq : None
pyarrow : None
pyxlsb : None
s3fs : None
scipy : None
sqlalchemy : None
tables : None
tabulate : None
xarray : None
xlrd : None
xlwt : None
numba : None