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
|
import csv
import io
from rich.syntax import Syntax
from rich.table import Table
from textual import events
from textual.app import App, ComposeResult
from textual.widgets import RichLog
CSV = """lane,swimmer,country,time
4,Joseph Schooling,Singapore,50.39
2,Michael Phelps,United States,51.14
5,Chad le Clos,South Africa,51.14
6,László Cseh,Hungary,51.14
3,Li Zhuhao,China,51.26
8,Mehdy Metella,France,51.58
7,Tom Shields,United States,51.73
1,Aleksandr Sadovnikov,Russia,51.84"""
CODE = '''\
def loop_first_last(values: Iterable[T]) -> Iterable[tuple[bool, bool, T]]:
"""Iterate and generate a tuple with a flag for first and last value."""
iter_values = iter(values)
try:
previous_value = next(iter_values)
except StopIteration:
return
first = True
for value in iter_values:
yield first, False, previous_value
first = False
previous_value = value
yield first, True, previous_value\
'''
class RichLogApp(App):
def compose(self) -> ComposeResult:
yield RichLog(highlight=True, markup=True)
def on_ready(self) -> None:
"""Called when the DOM is ready."""
text_log = self.query_one(RichLog)
text_log.write(Syntax(CODE, "python", indent_guides=True))
rows = iter(csv.reader(io.StringIO(CSV)))
table = Table(*next(rows))
for row in rows:
table.add_row(*row)
text_log.write(table)
text_log.write("[bold magenta]Write text or any Rich renderable!")
def on_key(self, event: events.Key) -> None:
"""Write Key events to log."""
text_log = self.query_one(RichLog)
text_log.write(event)
if __name__ == "__main__":
app = RichLogApp()
app.run()
|
