Spaces:
Runtime error
Runtime error
File size: 6,676 Bytes
40b6d6e |
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 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 |
from contextlib import suppress
import re
from typing import Iterable, NamedTuple
from .color import Color
from .style import Style
from .text import Text
re_ansi = re.compile(r"(?:\x1b\[(.*?)m)|(?:\x1b\](.*?)\x1b\\)")
re_csi = re.compile(r"\x1B(?:[@-Z\\-_]|\[[0-?]*[ -/]*[@-~])")
class _AnsiToken(NamedTuple):
"""Result of ansi tokenized string."""
plain: str = ""
sgr: str = ""
osc: str = ""
def _ansi_tokenize(ansi_text: str) -> Iterable[_AnsiToken]:
"""Tokenize a string in to plain text and ANSI codes.
Args:
ansi_text (str): A String containing ANSI codes.
Yields:
AnsiToken: A named tuple of (plain, sgr, osc)
"""
def remove_csi(ansi_text: str) -> str:
"""Remove unknown CSI sequences."""
return re_csi.sub("", ansi_text)
position = 0
for match in re_ansi.finditer(ansi_text):
start, end = match.span(0)
sgr, osc = match.groups()
if start > position:
yield _AnsiToken(remove_csi(ansi_text[position:start]))
yield _AnsiToken("", sgr, osc)
position = end
if position < len(ansi_text):
yield _AnsiToken(remove_csi(ansi_text[position:]))
SGR_STYLE_MAP = {
1: "bold",
2: "dim",
3: "italic",
4: "underline",
5: "blink",
6: "blink2",
7: "reverse",
8: "conceal",
9: "strike",
21: "underline2",
22: "not dim not bold",
23: "not italic",
24: "not underline",
25: "not blink",
26: "not blink2",
27: "not reverse",
28: "not conceal",
29: "not strike",
30: "color(0)",
31: "color(1)",
32: "color(2)",
33: "color(3)",
34: "color(4)",
35: "color(5)",
36: "color(6)",
37: "color(7)",
39: "default",
40: "on color(0)",
41: "on color(1)",
42: "on color(2)",
43: "on color(3)",
44: "on color(4)",
45: "on color(5)",
46: "on color(6)",
47: "on color(7)",
49: "on default",
51: "frame",
52: "encircle",
53: "overline",
54: "not frame not encircle",
55: "not overline",
90: "color(8)",
91: "color(9)",
92: "color(10)",
93: "color(11)",
94: "color(12)",
95: "color(13)",
96: "color(14)",
97: "color(15)",
100: "on color(8)",
101: "on color(9)",
102: "on color(10)",
103: "on color(11)",
104: "on color(12)",
105: "on color(13)",
106: "on color(14)",
107: "on color(15)",
}
class AnsiDecoder:
"""Translate ANSI code in to styled Text."""
def __init__(self) -> None:
self.style = Style.null()
def decode(self, terminal_text: str) -> Iterable[Text]:
"""Decode ANSI codes in an interable of lines.
Args:
lines (Iterable[str]): An iterable of lines of terminal output.
Yields:
Text: Marked up Text.
"""
for line in terminal_text.splitlines():
yield self.decode_line(line)
def decode_line(self, line: str) -> Text:
"""Decode a line containing ansi codes.
Args:
line (str): A line of terminal output.
Returns:
Text: A Text instance marked up according to ansi codes.
"""
from_ansi = Color.from_ansi
from_rgb = Color.from_rgb
_Style = Style
text = Text()
append = text.append
line = line.rsplit("\r", 1)[-1]
for token in _ansi_tokenize(line):
plain_text, sgr, osc = token
if plain_text:
append(plain_text, self.style or None)
elif osc:
if osc.startswith("8;"):
_params, semicolon, link = osc[2:].partition(";")
if semicolon:
self.style = self.style.update_link(link or None)
elif sgr:
# Translate in to semi-colon separated codes
# Ignore invalid codes, because we want to be lenient
codes = [
min(255, int(_code)) for _code in sgr.split(";") if _code.isdigit()
]
iter_codes = iter(codes)
for code in iter_codes:
if code == 0:
# reset
self.style = _Style.null()
elif code in SGR_STYLE_MAP:
# styles
self.style += _Style.parse(SGR_STYLE_MAP[code])
elif code == 38:
# Foreground
with suppress(StopIteration):
color_type = next(iter_codes)
if color_type == 5:
self.style += _Style.from_color(
from_ansi(next(iter_codes))
)
elif color_type == 2:
self.style += _Style.from_color(
from_rgb(
next(iter_codes),
next(iter_codes),
next(iter_codes),
)
)
elif code == 48:
# Background
with suppress(StopIteration):
color_type = next(iter_codes)
if color_type == 5:
self.style += _Style.from_color(
None, from_ansi(next(iter_codes))
)
elif color_type == 2:
self.style += _Style.from_color(
None,
from_rgb(
next(iter_codes),
next(iter_codes),
next(iter_codes),
),
)
return text
if __name__ == "__main__": # pragma: no cover
import pty
import io
import os
import sys
decoder = AnsiDecoder()
stdout = io.BytesIO()
def read(fd: int) -> bytes:
data = os.read(fd, 1024)
stdout.write(data)
return data
pty.spawn(sys.argv[1:], read)
from .console import Console
console = Console(record=True)
stdout_result = stdout.getvalue().decode("utf-8")
print(stdout_result)
for line in decoder.decode(stdout_result):
console.print(line)
console.save_html("stdout.html")
|