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import pytest
from rich.ansi import AnsiDecoder
from rich.console import Console
from rich.style import Style
from rich.text import Span, Text
def test_decode():
console = Console(
force_terminal=True, legacy_windows=False, color_system="truecolor"
)
console.begin_capture()
console.print("Hello")
console.print("[b]foo[/b]")
console.print("[link http://example.org]bar")
console.print("[#ff0000 on color(200)]red")
console.print("[color(200) on #ff0000]red")
terminal_codes = console.end_capture()
decoder = AnsiDecoder()
lines = list(decoder.decode(terminal_codes))
expected = [
Text("Hello"),
Text("foo", spans=[Span(0, 3, Style.parse("bold"))]),
Text("bar", spans=[Span(0, 3, Style.parse("link http://example.org"))]),
Text("red", spans=[Span(0, 3, Style.parse("#ff0000 on color(200)"))]),
Text("red", spans=[Span(0, 3, Style.parse("color(200) on #ff0000"))]),
]
assert lines == expected
def test_decode_example():
ansi_bytes = b"\x1b[01m\x1b[KC:\\Users\\stefa\\AppData\\Local\\Temp\\tmp3ydingba:\x1b[m\x1b[K In function '\x1b[01m\x1b[Kmain\x1b[m\x1b[K':\n\x1b[01m\x1b[KC:\\Users\\stefa\\AppData\\Local\\Temp\\tmp3ydingba:3:5:\x1b[m\x1b[K \x1b[01;35m\x1b[Kwarning: \x1b[m\x1b[Kunused variable '\x1b[01m\x1b[Ka\x1b[m\x1b[K' [\x1b[01;35m\x1b[K-Wunused-variable\x1b[m\x1b[K]\n 3 | int \x1b[01;35m\x1b[Ka\x1b[m\x1b[K=1;\n | \x1b[01;35m\x1b[K^\x1b[m\x1b[K\n"
ansi_text = ansi_bytes.decode("utf-8")
text = Text.from_ansi(ansi_text)
console = Console(
force_terminal=True, legacy_windows=False, color_system="truecolor"
)
with console.capture() as capture:
console.print(text)
result = capture.get()
print(repr(result))
expected = "\x1b[1mC:\\Users\\stefa\\AppData\\Local\\Temp\\tmp3ydingba:\x1b[0m In function '\x1b[1mmain\x1b[0m':\n\x1b[1mC:\\Users\\stefa\\AppData\\Local\\Temp\\tmp3ydingba:3:5:\x1b[0m \x1b[1;35mwarning: \x1b[0munused variable '\x1b[1ma\x1b[0m' \n[\x1b[1;35m-Wunused-variable\x1b[0m]\n 3 | int \x1b[1;35ma\x1b[0m=1;\n | \x1b[1;35m^\x1b[0m\n"
assert result == expected
@pytest.mark.parametrize(
"ansi_bytes, expected_text",
[
# https://github.com/Textualize/rich/issues/2688
(
b"\x1b[31mFound 4 errors in 2 files (checked 18 source files)\x1b(B\x1b[m\n",
"Found 4 errors in 2 files (checked 18 source files)",
),
# https://mail.python.org/pipermail/python-list/2007-December/424756.html
(b"Hallo", "Hallo"),
(b"\x1b(BHallo", "Hallo"),
(b"\x1b(JHallo", "Hallo"),
(b"\x1b(BHal\x1b(Jlo", "Hallo"),
],
)
def test_decode_issue_2688(ansi_bytes, expected_text):
text = Text.from_ansi(ansi_bytes.decode())
assert str(text) == expected_text
@pytest.mark.parametrize("code", [*"0123456789:;<=>?"])
def test_strip_private_escape_sequences(code):
text = Text.from_ansi(f"\x1b{code}x")
console = Console(force_terminal=True)
with console.capture() as capture:
console.print(text)
expected = "x\n"
assert capture.get() == expected
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