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from typing import TYPE_CHECKING, Any, Dict, Iterable, List, Sequence
if TYPE_CHECKING:
from rich.console import ConsoleRenderable
from . import get_console
from .segment import Segment
from .terminal_theme import DEFAULT_TERMINAL_THEME
if TYPE_CHECKING:
from rich.console import ConsoleRenderable
JUPYTER_HTML_FORMAT = """\
<pre style="white-space:pre;overflow-x:auto;line-height:normal;font-family:Menlo,'DejaVu Sans Mono',consolas,'Courier New',monospace">{code}</pre>
"""
class JupyterRenderable:
"""A shim to write html to Jupyter notebook."""
def __init__(self, html: str, text: str) -> None:
self.html = html
self.text = text
def _repr_mimebundle_(
self, include: Sequence[str], exclude: Sequence[str], **kwargs: Any
) -> Dict[str, str]:
data = {"text/plain": self.text, "text/html": self.html}
if include:
data = {k: v for (k, v) in data.items() if k in include}
if exclude:
data = {k: v for (k, v) in data.items() if k not in exclude}
return data
class JupyterMixin:
"""Add to an Rich renderable to make it render in Jupyter notebook."""
__slots__ = ()
def _repr_mimebundle_(
self: "ConsoleRenderable",
include: Sequence[str],
exclude: Sequence[str],
**kwargs: Any,
) -> Dict[str, str]:
console = get_console()
segments = list(console.render(self, console.options))
html = _render_segments(segments)
text = console._render_buffer(segments)
data = {"text/plain": text, "text/html": html}
if include:
data = {k: v for (k, v) in data.items() if k in include}
if exclude:
data = {k: v for (k, v) in data.items() if k not in exclude}
return data
def _render_segments(segments: Iterable[Segment]) -> str:
def escape(text: str) -> str:
"""Escape html."""
return text.replace("&", "&").replace("<", "<").replace(">", ">")
fragments: List[str] = []
append_fragment = fragments.append
theme = DEFAULT_TERMINAL_THEME
for text, style, control in Segment.simplify(segments):
if control:
continue
text = escape(text)
if style:
rule = style.get_html_style(theme)
text = f'<span style="{rule}">{text}</span>' if rule else text
if style.link:
text = f'<a href="{style.link}" target="_blank">{text}</a>'
append_fragment(text)
code = "".join(fragments)
html = JUPYTER_HTML_FORMAT.format(code=code)
return html
def display(segments: Iterable[Segment], text: str) -> None:
"""Render segments to Jupyter."""
html = _render_segments(segments)
jupyter_renderable = JupyterRenderable(html, text)
try:
from IPython.display import display as ipython_display
ipython_display(jupyter_renderable)
except ModuleNotFoundError:
# Handle the case where the Console has force_jupyter=True,
# but IPython is not installed.
pass
def print(*args: Any, **kwargs: Any) -> None:
"""Proxy for Console print."""
console = get_console()
return console.print(*args, **kwargs)