#!/usr/bin/env python3 import sys import itertools import termcolor import argparse def parse(line): left = line[0:line.find('=')].strip() right = line[line.find('=')+1:].strip('\'"\n ') try: cmd = next(part for part in right.split() if len([char for char in '=<>' if char in part])==0) except StopIteration: cmd = right return (left, right, cmd) def cheatsheet(lines): exps = [ parse(line) for line in lines ] exps.sort(key=lambda exp:exp[2]) cheatsheet = {'_default': []} for key, group in itertools.groupby(exps, lambda exp:exp[2]): group_list = [ item for item in group ] if len(group_list)==1: target_aliases = cheatsheet['_default'] else: if key not in cheatsheet: cheatsheet[key] = [] target_aliases = cheatsheet[key] target_aliases.extend(group_list) return cheatsheet def pretty_print_group(key, aliases, highlight=None, only_groupname=False): if len(aliases) == 0: return group_hl_formatter = lambda g, hl: termcolor.colored(hl, 'yellow').join([termcolor.colored(part, 'red') for part in ('[%s]' % g).split(hl)]) alias_hl_formatter = lambda alias, hl: termcolor.colored(hl, 'yellow').join([termcolor.colored(part, 'green') for part in ('\t%s = %s' % alias[0:2]).split(hl)]) group_formatter = lambda g: termcolor.colored('[%s]' % g, 'red') alias_formatter = lambda alias: termcolor.colored('\t%s = %s' % alias[0:2], 'green') if highlight and len(highlight)>0: print (group_hl_formatter(key, highlight)) if not only_groupname: print ('\n'.join([alias_hl_formatter(alias, highlight) for alias in aliases])) else: print (group_formatter(key)) if not only_groupname: print ('\n'.join([alias_formatter(alias) for alias in aliases])) print ('') def pretty_print(cheatsheet, wfilter, group_list=None, groups_only=False): sorted_key = sorted(cheatsheet.keys()) for key in sorted_key: if group_list and key not in group_list: continue aliases = cheatsheet.get(key) if not wfilter: pretty_print_group(key, aliases, wfilter, groups_only) else: pretty_print_group(key, [ alias for alias in aliases if alias[0].find(wfilter)>-1 or alias[1].find(wfilter)>-1], wfilter) if __name__ == '__main__': parser = argparse.ArgumentParser(description="Pretty print aliases.", prog="als") parser.add_argument('filter', nargs="*", metavar="<keyword>", help="search aliases matching keywords") parser.add_argument('-g', '--group', dest="group_list", action='append', help="only print aliases in given groups") parser.add_argument('--groups', dest='groups_only', action='store_true', help="only print alias groups") args = parser.parse_args() lines = sys.stdin.readlines() group_list = args.group_list or None wfilter = " ".join(args.filter) or None pretty_print(cheatsheet(lines), wfilter, group_list, args.groups_only)