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A simple graphical tabular data viewer

Project description

gtabview: a simple graphical tabular data viewer

Graphical counterpart to tabview, a simple tabular data viewer that can be used both stand-alone and as a Python module for various files and Python/Pandas/NumPy data structures.

Stand-alone usage

gtabview reads most text tabular data formats automatically:

gtabview data.csv
gtabview data.txt

If xlrd is installed, Excel files can be read directly:

gtabview file.xls[x]

Usage as a module

gtabview.view() can be used to display simple Python types directly in tabulated form:

from gtabview import view

# view a file
view("/path/to/file")

# view a list
view([1, 2, 3])

# view a dict (by columns)
view({'a': [1, 2, 3], 'b': [4, 5, 6], 'c': [7, 8, 9]})

# view a dict (by rows)
view({'a': [1, 2, 3], 'b': [4, 5, 6], 'c': [7, 8, 9]}, transpose=True)

# view a simple list of lists
view([[1, 2, 3], [4, 5, 6], [7, 8, 9]])

# view a simple list of lists (with headers)
view([['a', 'b', 'c'], [1, 2, 3], [4, 5, 6], [7, 8, 9]], hdr_rows=1)

gtabview includes native support for NumPy and all features of Pandas’ DataFrames, such as MultiIndexes and level names:

from gtabview import view

# numpy arrays up to two dimensions are supported
import numpy as np
view(np.array([[1, 2, 3], [4, 5, 6]]))

# view a DataFrame/Series/Panel
import pandas as pd
df = pd.DataFrame([[1, 2, 3], [4, 5, 6]],
                  columns=['a', 'b', 'c'], index=['x', 'y'])
view(df)

gtabview is designed to integrate correctly with IPython, Jupyter and matplotlib.

When matplotlib is used, gtabview will automatically default to use mpl’s interactive setting to determine the default behavior of the data window: when interactive, calls to view() will not block, and will keep recycling the same window.

In IPython and Jupyter notebooks view() calls also default to non-blocking behavior, while in plain Python calls will halt until the window is closed.

You can change this behavior with the view(..., wait=False) argument for each call, or by changing the module default:

import gtabview
gtabview.WAIT = False

In a Jupyter notebook a separate data window will always show. The window can be kept around or closed, but will only be refreshed when evaluating the cell again.

Separate data windows can also be opened by using the view(..., recycle=False) argument, or again by setting the global gtabview.RECYCLE default. See the built-in documentation of gtabview.view for more details.

Requirements and installation

gtabview is available directly on the Python Package Index and on conda-forge.

gtabview requires:

  • Python 3 or Python 2
  • PyQt5, PyQt4 or PySide
  • setuptools (install-only)

Under Debian/Ubuntu, install the required dependencies with:

sudo apt-get install python3 python3-pyqt5
sudo apt-get install python3-setuptools

Then download and install simply via pip:

pip install gtabview

Or with conda:

conda install -c conda-forge gtabview

You explicitly need to install xlrd if direct reading of Excel files is desired:

pip install xlrd

License

gtabview is distributed under the MIT license (see LICENSE.txt)
Copyright(c) 2014-2021: wave++ “Yuri D’Elia” <wavexx@thregr.org>
Copyright(c) 2014-2015: Scott Hansen <firecat4153@gmail.com>

Latest release notes

  • Fixes an issue with column autosizing leading to a division by zero on some systems.

gtabview 0.10

  • Fixes interactive support within IPython and Jupyter notebooks.

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