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Showing content from https://pypi.python.org/pypi/pypager/ below:

pypager · PyPI

A $PAGER in pure Python

pip install pypager

Pypager can be used as a stand-alone application, or as a library.

• Highlighting of text [0].

• Searching.

• Many key bindings from less are implemented.

[0] (It understands the output of man pages, ANSI escape codes and further, it can use Pygments to highlight about any file.)

# Install it.
pip install pypager

# Tell the environment to use this pager. Put the following line in
# ~/.bashrc if you like.
export PAGER=pypager

# Following commands, and many others should pick up the pager.
man vim
git diff

# View a file, using this pager.
pypager some_source_code.py

from pypager.source import GeneratorSource
from pypager.pager import Pager


def generate_a_lot_of_content():
    """
    This is a function that generates content on the fly.
    It's called when the pager needs to display more content.

    This should yield prompt_toolkit `(style_string, text)` tuples.
    """
    counter = 0
    while True:
        yield [("", 'line: %i\n' % counter)]
        counter += 1


if __name__ == '__main__':
    p = Pager()
    p.add_source(GeneratorSource(generate_a_lot_of_content())
    p.run()

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