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