A table data viewer for Python
Project description
tabulous
A table data viewer for Python. →当 Documentation
tabulous
is highly inspired by napari in its design and API.
Installation
Install all the dependencies including functionalities of loading sample data, plotting, etc.
pip install tabulous[all]
Install with PyQt backend.
pip install tabulous[pyqt5] # Use PyQt5
pip install tabulous[pyqt6] # Use PyQt6
A Wide Variety of Tables are Supported
Table | SpreadSheet |
---|---|
A dtype-tagged table view with fixed size, aimed at viewing and editing pd.DataFrame . This table is the most basic one. |
A string based table editor. Table is converted into pd.DataFrame object with proper dtypes consistent with reading CSV file using pd.read_csv . |
GroupBy | TableDisplay |
---|---|
A table group that corresponds to the returned object of the groupby method of pd.DataFrame . |
A table viewer that hotly reloads data using provided loader function. Useful for streaming data from other softwares. |
Rich Visualization
Cell colors | Highlighting |
---|---|
Colormap defines text or background color based on the value. | Highlight is colored overlays. |
Data Validation
Data type validation | Custom validation |
---|---|
Columns tagged with dtype will validate the input string and raise an error on entering invalid string. | You can also define custom validators for each column, such as confirming non-negative. |
How it works.
from tabulous import open_sample
viewer = open_sample("iris") # open a sample data from seaborn
df = pd.read_csv("data.csv")
viewer.add_table(df) # add table data to viewer
viewer.tables # table list
table = viewer.tables[0] # get table
table.data # get pd.DataFrame object (or other similar one)
# Connect data changed signal
# See examples/03-0_data_changed_signal.py
@table.events.data.connect
def _on_data_change(info):
"""data-changed callback"""
# Connect selection changed signal
# See examples/03-1_selection_changed.py
@table.events.selections.connect
def _on_selection_change(selections):
"""selection-changed callback"""
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