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Vim Script for Python Developers

This is a guide to Vim Script development for Python developers. Sample code for the various expressions, statements, functions and programming constructs is shown in both Python and Vim Script. This is not intended to be a tutorial for developing Vim scripts. It is assumed that the reader is familiar with Python programming.

For an introduction to Vim Script development, refer to usr_41.txt, eval.txt and Learn Vimscript the Hard Way

For a guide similar to this one for JavaScript developers, refer to Vim Script for the JavaScripter

This guide only describes the programming constructs that are present in both Python and Vim. The constructs that are unique to Vim (e.g. autocommands, [key-mapping](https://vimhelp.org/map.txt.html#key-m

	%!PS-Adobe-3.0 Resource-CMap
	%%DocumentNeededResources: ProcSet (CIDInit)
	%%IncludeResource: ProcSet (CIDInit)
	%%BeginResource: CMap (UniSourceHanSansJP-UTF16-H)
	%%Title: (UniSourceHanSansJP-UTF16-H Adobe Identity 0)
	%%Version: 1.000
	%%Copyright: -----------------------------------------------------------
	%%Copyright: Copyright 1990-2014 Adobe Systems Incorporated.
	%%Copyright: All rights reserved.
	%%Copyright:

	use strict;
	my $srcbase = "shsglyphs";
	my $tfmbase = "sourcehans-r-j49";

	our @shs_width;
	require "shs_width.pl";
	my $maxcc = $#shs_width; $shs_width[0] = -1;
	my (@wdi, @wdr);
	{
	my (%rp);

	# Thanks to commenters for providing the base of this much nicer implementation!
	# Save and run with $ python 0dedict.py
	# You may need to hunt down the dictionary files yourself and change the awful path string below.
	# This works for me on MacOS 10.14 Mohave

	from struct import unpack
	from zlib import decompress
	import re
	filename = '/System/Library/Assets/com_apple_MobileAsset_DictionaryServices_dictionaryOSX/9f5862030e8f00af171924ebbc23ebfd6e91af78.asset/AssetData/Oxford Dictionary of English.dictionary/Contents/Resources/Body.data'
	f = open(filename, 'rb')

	# see https://stackoverflow.com/questions/51973437/reverse-pdf-imposition

	import copy
	import sys
	import math
	import pyPdf

	"""
	Reverse imposing:

	# Originally written on 2017-04-26 19:03.

	# Welcome to my fancy Shift JIS explanation and simple implementation in Python.
	#
	# If you haven't heard of Shift JIS, it's a single or double-byte encoding for
	# the JIS X 0201 and JIS X 0208 character sets, a bit like UTF-8 is for Unicode.
	#
	# The key feature of Shift JIS is being able to use both character sets at once,
	# retaining legacy half-width ASCII and Katakana characters from JIS X 0201.
	#

	// To see this run, you first stub out these imports. Then put the file in a Uint8Array.
	// let slice = new Slice(array);
	// let font = new OTFFont(slice);
	// Then you can call methods like font.drawText(canvasContext, )
	//
	//
	import { ICanvasContext } from "./ICanvasContext"
	import { log as Log } from "./log"

	const log = Log.create("OPENTYPE");