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ui: new colorize_json() func

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The MMGen Project 2026-10-02 10:02:32 +00:00
commit bc03ffc69e
Signed by: mmgen
GPG key ID: 3F8B1861E32B7DA2
2 changed files with 58 additions and 0 deletions
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6
mmgen/color.py
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@ -39,6 +39,9 @@ _colors = {
'melon': (222, (33, 1)),
'brown': (173, (33, 0)),
'grndim': (108, (32, 0)),
'puce': (137, (33, 0)),
'sky': (117, (34, 1)),
'lime': (115, (32, 1)),
'redbg': ((232, 210), (30, 101)),
'grnbg': ((232, 121), (30, 102)),
@ -128,6 +131,9 @@ pink = lambda s: s
melon = lambda s: s
brown = lambda s: s
grndim = lambda s: s
puce = lambda s: s
sky = lambda s: s
lime = lambda s: s
redbg = lambda s: s
grnbg = lambda s: s

52
mmgen/ui.py
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@ -140,6 +140,58 @@ def item_chooser(cfg, hdr, items, item_formatter, indent='', empty_ok=False, add
return namedtuple('user_choice', 'num idx item')(num, num - 1, items[num - 1])
msg(f'{indent}{res}: invalid entry\n')
def colorize_json(text):
"Colorize a pretty-formatted JSON string. Original indentation is preserved"
from .color import puce, orange, gray, sky, lime
import re
colon = orange(':')
# dict item:
pat01 = re.compile(r'(\s*)("\S+"): (".*")(,)*$')
pat02 = re.compile(r'(\s*)("\S+"): ([0-9]+)(,)*$')
pat03 = re.compile(r'(\s*)("\S+"): (true|false|null)(,)*$')
# list item
pat10 = re.compile(r'(\s*)(".+")(,)*$')
pat11 = re.compile(r'(\s*)([0-9]+)(,)*$')
pat12 = re.compile(r'(\s*)(true|false|null)(,)*$')
# dict item with punc
pat20 = re.compile(r'(\s*)("\S+"): ([\[\{\]\},]+)$')
# punc
pat30 = re.compile(r'(\s*)([\[\{\]\},]+)$')
def ep(m):
return orange(m) if m else ''
def tfn(s):
return {
'true': puce('true'),
'false': puce('false'),
'null': gray('null')}[s]
def gen():
for line in text.split('\n'): # order matches by frequency of occurrence:
if m := pat01.match(line):
yield '{}{}{} {}{}'.format(m[1], sky(m[2]), colon, lime(m[3]), ep(m[4]))
elif m := pat02.match(line):
yield '{}{}{} {}{}'.format(m[1], sky(m[2]), colon, m[3], ep(m[4]))
elif m := pat03.match(line):
yield '{}{}{} {}{}'.format(m[1], sky(m[2]), colon, tfn(m[3]), ep(m[4]))
elif m := pat30.match(line):
yield '{}{}'.format(m[1], orange(m[2]))
elif m := pat20.match(line):
yield '{}{}{} {}'.format(m[1], sky(m[2]), colon, orange(m[3]))
elif m := pat10.match(line):
yield '{}{}{}'.format(m[1], lime(m[2]), ep(m[3]))
elif m := pat11.match(line):
yield '{}{}{}'.format(m[1], m[2], ep(m[3]))
elif m := pat12.match(line):
yield '{}{}{}'.format(m[1], tfn(m[2]), ep(m[3]))
else: # fallback: we shouldn’t be here
yield line
return '\n'.join(gen())
def do_pager(text):
pagers = ['less', 'more']