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authorcyfraeviolae <cyfraeviolae>2024-04-03 03:10:44 -0400
committercyfraeviolae <cyfraeviolae>2024-04-03 03:10:44 -0400
commit6d7ba58f880be618ade07f8ea080fe8c4bf8a896 (patch)
treeb1c931051ffcebd2bd9d61d98d6233ffa289bbce /venv/lib/python3.11/site-packages/rich/ansi.py
parent4f884c9abc32990b4061a1bb6997b4b37e58ea0b (diff)
venv
Diffstat (limited to 'venv/lib/python3.11/site-packages/rich/ansi.py')
-rw-r--r--venv/lib/python3.11/site-packages/rich/ansi.py240
1 files changed, 240 insertions, 0 deletions
diff --git a/venv/lib/python3.11/site-packages/rich/ansi.py b/venv/lib/python3.11/site-packages/rich/ansi.py
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+++ b/venv/lib/python3.11/site-packages/rich/ansi.py
@@ -0,0 +1,240 @@
+import re
+import sys
+from contextlib import suppress
+from typing import Iterable, NamedTuple, Optional
+
+from .color import Color
+from .style import Style
+from .text import Text
+
+re_ansi = re.compile(
+ r"""
+(?:\x1b\](.*?)\x1b\\)|
+(?:\x1b([(@-Z\\-_]|\[[0-?]*[ -/]*[@-~]))
+""",
+ re.VERBOSE,
+)
+
+
+class _AnsiToken(NamedTuple):
+ """Result of ansi tokenized string."""
+
+ plain: str = ""
+ sgr: Optional[str] = ""
+ osc: Optional[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)
+ """
+
+ position = 0
+ sgr: Optional[str]
+ osc: Optional[str]
+ for match in re_ansi.finditer(ansi_text):
+ start, end = match.span(0)
+ osc, sgr = match.groups()
+ if start > position:
+ yield _AnsiToken(ansi_text[position:start])
+ if sgr:
+ if sgr == "(":
+ position = end + 1
+ continue
+ if sgr.endswith("m"):
+ yield _AnsiToken("", sgr[1:-1], osc)
+ else:
+ yield _AnsiToken("", sgr, osc)
+ position = end
+ if position < len(ansi_text):
+ yield _AnsiToken(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 iterable 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 plain_text, sgr, osc in _ansi_tokenize(line):
+ if plain_text:
+ append(plain_text, self.style or None)
+ elif osc is not None:
+ if osc.startswith("8;"):
+ _params, semicolon, link = osc[2:].partition(";")
+ if semicolon:
+ self.style = self.style.update_link(link or None)
+ elif sgr is not None:
+ # Translate in to semi-colon separated codes
+ # Ignore invalid codes, because we want to be lenient
+ codes = [
+ min(255, int(_code) if _code else 0)
+ for _code in sgr.split(";")
+ if _code.isdigit() or _code == ""
+ ]
+ 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 sys.platform != "win32" and __name__ == "__main__": # pragma: no cover
+ import io
+ import os
+ import pty
+ 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")