Simple, highly-functional templated printing. say("Hello, {name}!", indent=1)
Project description
print, format, and % evolved.
It’s been forty five years since C introduced printf() and the basic formatted printing of positional parameters. Isn’t it time for an upgrade? Yes! Indeed it is.
say goes beyond Python’s print statement/function, format function/method, and % string interpolation operator with simpler, higher-level facilities. For example:
from say import say
x, nums, name = 12, list(range(4)), 'Fred'
say("There are {x} things.")
say("Nums has {len(nums)} items: {nums}")
say("Name: {name!r}")
yields:
There are 12 things. Nums has 4 items: [0, 1, 2, 3] Name: 'Fred'
At this level, say is basically a simpler, nicer recasting of:
from __future__ import print_function
print("There are {0} things.".format(x))
print("Nums has {0} items: {1}".format(len(nums), nums))
print("Name: {0!r}".format(name))
The more items being printed, and the more complicated the format invocation, the more valuable this simple inline specification becomes. But say isn’t just replacing positional templates with inline templates. It also works in a variety of ways to up-level the output-generation task. For example:
say.title('Discovered')
say("Name: {name:style=blue}", indent='+1')
say("Age: {age:style=blue}", indent='+1')
Prints a nicely formatted text block, with a proper title and indentation, and just the variable information in blue.
say provides:
DRY, Pythonic templates that piggyback the Python’s well-proven format() method, syntax, and underlying engine.
A single output mechanism that works virtually the same in either Python 2 or Python 3 (i.e. seamless compatibility).
A companion fmt() object for string formatting.
Higher-order line formatting such as line numbering, indentation, and line-wrapping built in. You can get better output formatting with almost no additional code of your own.
Convenient methods for common formatting items such as titles, horizontal separators, and vertical whitespace.
Easy styled output, including ANSI colors and user-defined styles and text transforms.
Easy output to one or more files, again with no additional code.
Super-duper template/text aggregator objects for easily building, reading, and writing multi-line texts.
Take it for a test drive today! See the full documentation at Read the Docs.
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