====
Pyng
====
Pyng is a collection of Python utility functions I've written over the years,
and that I keep wishing were available everywhere. Sadly, in many cases I've
simply pasted copies of individual functions as needed. But no more!
It's organized as follows:
* **commands:** decorator to automatically build an argparse.ArgumentParser by
decorating functions you want to expose as script subcommands
* **dicts:** dict subsets, dict searching
* **exc:** manipulate exceptions, e.g. reraise, retry
* **genio:** generator-based file I/O, loosely related to Java file streams
* **graph:** filter DAG represented as dict of (key, otherkeys)
* **iters:** generic iterator functionality, akin to itertools
* **out:** construct a file-like output object to wrap a specified sink
function, with buffer_lines as a useful example and syslogger as a practical
use case
* **relwalk:** os.walk() filtered to produce pathnames relative to the
starting directory
* **replacefile:** filter a text file in-place
* **timing:** time-related utilities, e.g. duration() to produce a
human-friendly description of a specified interval and ProgressTimer to
abstract ETA computations
* **tk:** Tkinter utilities, e.g. prompt for a single password or construct a
prompt dialog from (description, type) tuples
* **toposort:** topological sort of DAG represented as dict of (key, otherkeys)
In addition...
* **ProgressBar** provides experimental progress-bar support for a long-
running console script, from self-overwriting console messages through
wxPython, zenity, Tkinter. This is very much a work in progress, though
functional subsets have been successfully used.
Please see the individual docstrings for more information.
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