philiprehberger-cli-table

Format Python data as aligned terminal tables with no dependencies.

Installation

pip install philiprehberger-cli-table

Usage

Dict list mode

from philiprehberger_cli_table import table

data = [
    {"name": "Alice", "age": 30, "city": "Berlin"},
    {"name": "Bob", "age": 25, "city": "Vienna"},
    {"name": "Charlie", "age": 35, "city": "Zurich"},
]

table(data)
# name     age  city
# -------  ---  ------
# Alice    30   Berlin
# Bob      25   Vienna
# Charlie  35   Zurich

Headers + rows mode

from philiprehberger_cli_table import table

table(
    headers=["Product", "Price", "Stock"],
    rows=[
        ["Widget", "9.99", "142"],
        ["Gadget", "24.99", "38"],
    ],
)
# Product  Price  Stock
# -------  -----  -----
# Widget   9.99   142
# Gadget   24.99  38

Column alignment

from philiprehberger_cli_table import table

table(
    data=[
        {"item": "Coffee", "qty": 3, "price": "4.50"},
        {"item": "Tea", "qty": 12, "price": "2.00"},
    ],
    align={"qty": "right", "price": "right"},
)
# item    qty  price
# ------  ---  -----
# Coffee    3   4.50
# Tea      12   2.00

Styles

from philiprehberger_cli_table import format_table

# Markdown style
print(format_table(
    headers=["Name", "Score"],
    rows=[["Alice", "95"], ["Bob", "87"]],
    style="markdown",
))
# | Name  | Score |
# | ----- | ----- |
# | Alice | 95    |
# | Bob   | 87    |

# No borders
print(format_table(
    headers=["Name", "Score"],
    rows=[["Alice", "95"], ["Bob", "87"]],
    style="none",
))
# Name   Score
# Alice  95
# Bob    87

Cell truncation

from philiprehberger_cli_table import table

table(
    data=[{"description": "A very long description that goes on and on"}],
    max_width=20,
)

Wide character support

Supports CJK and other wide Unicode characters with correct column alignment.

Footer / totals row

from philiprehberger_cli_table import table

table(
    headers=["Item", "Qty", "Total"],
    rows=[
        ["Coffee", "3", "12.00"],
        ["Tea", "2", "4.00"],
    ],
    footer=["Total", "5", "16.00"],
)
# Item    Qty  Total
# ------  ---  -----
# Coffee  3    12.00
# Tea     2     4.00
# ------  ---  -----
# Total   5    16.00

A footer can also be passed as a dict keyed by header name:

table(
    data=[{"item": "Coffee", "n": 3}, {"item": "Tea", "n": 2}],
    footer={"item": "Total", "n": 5},
)

API

Function	Description
format_table(headers, rows, *, data, align, max_width, style, footer)	Returns a formatted table as a string
table(data, headers, rows, **kwargs)	Prints a formatted table to stdout

Parameters

Parameter	Type	Default	Description
headers	list[str] | None	None	Column header names
rows	list[list[Any]] | None	None	List of row value lists
data	list[dict[str, Any]] | None	None	List of dicts (keys become headers)
align	dict[str, Align] | None	None	Per-column alignment: "left", "right", "center"
max_width	int | None	None	Truncate cell values to this width
style	Style	"simple"	Border style: "simple", "markdown", "none"
footer	list | dict | None	None	Footer row rendered below a divider (totals/summary)

Development

pip install -e .
python -m pytest tests/ -v

Support

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License

MIT