-
Notifications
You must be signed in to change notification settings - Fork 2
/
demo.py
72 lines (57 loc) · 1.96 KB
/
demo.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
from prompt_toolkit import prompt
from prompt_toolkit.history import InMemoryHistory, FileHistory
from prompt_toolkit.auto_suggest import AutoSuggestFromHistory
from prompt_toolkit.contrib.completers import WordCompleter
from prompt_toolkit.completion import Completer, Completion
from prompt_toolkit.token import Token
from prompt_toolkit.styles import style_from_dict
from pygments.lexer import RegexLexer, words
from pygments.token import Keyword
COMMANDS = ('get', 'set', 'exit', 'ls')
class CustomCompleter(Completer):
def __init__(self, tokens):
self.tokens = tokens
self.first_token_completed = False
def get_completions(self, document, event):
current_word = document.get_word_before_cursor(WORD=True)
if not self.first_token_completed and current_word:
tokens = [tok for tok in self.tokens if tok.startswith(current_word[0])]
for token in tokens:
yield Completion(token, -len(current_word))
self.first_token_completed = True
class MyLexer(RegexLexer):
tokens = {
'root': [
(words(COMMANDS), Keyword),
]
}
def get_bottom_toolbar_tokens(cli):
global cmd_index
return [(Token.Toolbar, '[%d]' % (cmd_index))]
style = style_from_dict({
Token.Toolbar: '#ffffff bg:#ff0000',
Keyword: '#ff00ff'
})
history = InMemoryHistory()
file_history = FileHistory('.demohist')
auto_suggest = AutoSuggestFromHistory()
completer = WordCompleter(COMMANDS)
lexer = MyLexer
cmd_index = 0
while True:
try:
completer = CustomCompleter(COMMANDS)
cmd = prompt(
'> ',
history=file_history,
auto_suggest=auto_suggest,
completer=completer,
vi_mode=True,
style=style,
get_bottom_toolbar_tokens=get_bottom_toolbar_tokens,
lexer=lexer)
print(cmd)
cmd_index += 1
except (KeyboardInterrupt, EOFError):
print('Byye')
exit(0)