Yet another collection of Python utility functions
Project description
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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