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feat: patch console to improve drop-shadow

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Daylin Morgan 2022-06-16 13:28:45 -05:00
parent 21600f0b17
commit 13f4e50281
7 changed files with 331 additions and 35 deletions
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2
.flake8
View file

@ -1,5 +1,5 @@
[flake8]
ignore = E203, E266, E501, W503, F403
ignore = E203, E266, E501, W503, F403, C901
exclude =
.git,
__pycache__,

2
Makefile
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@ -64,7 +64,7 @@ theme-docs:
./scripts/theme-showcase-gen
diff-docs:
./scripts/code_svg_format_diff.py >docs/rich-diff.md
./scripts/rich-diff > docs/rich-diff.md
svg-docs:
lolcat -F .5 -S 9 -f assets/logo.txt | yartsu -o assets/logo.svg

71
docs/rich-diff.md
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@ -4,14 +4,14 @@
## Versions
- Rich: 12.4.4
- Yartsu: 22.6b2.dev2+gabdbc1d
- Yartsu: 22.6b4.dev3+gddae53c.d20220617
## Diff
## CONSOLE_SVG_FORMAT Diff
```diff
---
+++
@@ -1,47 +1,43 @@
@@ -1,20 +1,17 @@
-<svg class="rich-terminal" viewBox="0 0 {width} {height}" xmlns="http://www.w3.org/2000/svg">
+<svg class="rich-terminal shadow" viewBox="0 0 {width} {height}" xmlns="http://www.w3.org/2000/svg">
<!-- Generated with Rich https://www.textualize.io -->
@ -35,37 +35,58 @@
font-style: bold;
font-weight: 700;
}}
-
.{unique_id}-matrix {{
font-family: Fira Code, monospace;
font-size: {char_height}px;
line-height: {line_height}px;
font-variant-east-asian: full-width;
}}
-
.{unique_id}-title {{
font-size: 18px;
font-weight: bold;
@@ -32,6 +29,10 @@
font-family: arial;
}}
-
+ .shadow {{
+ -webkit-filter: drop-shadow( 5px 10px 15px rgba(0, 0, 0, .7));
+ filter: drop-shadow( 5px 10px 15px rgba(0, 0, 0, .7));
+ -webkit-filter: drop-shadow( 2px 5px 2px rgba(0, 0, 0, .7));
+ filter: drop-shadow( 2px 5px 2px rgba(0, 0, 0, .7));
+ }}
{styles}
</style>
-
<defs>
<clipPath id="{unique_id}-clip-terminal">
<rect x="0" y="0" width="{terminal_width}" height="{terminal_height}" />
</clipPath>
{lines}
@@ -43,7 +44,7 @@
</defs>
-
{chrome}
<g transform="translate({terminal_x}, {terminal_y})" clip-path="url(#{unique_id}-clip-terminal)">
- <g transform="translate({terminal_x}, {terminal_y})" clip-path="url(#{unique_id}-clip-terminal)">
+ <g transform="translate({terminal_x}, {terminal_y}) scale(.95)" clip-path="url(#{unique_id}-clip-terminal)">
{backgrounds}
<g class="{unique_id}-matrix">
{matrix}
```
## Console.export_svg Diff
```diff
---
+++
@@ -64,9 +64,9 @@
line_height = char_height * 1.22
margin_top = 1
- margin_right = 1
- margin_bottom = 1
- margin_left = 1
+ margin_right = char_width * 5 / 6
+ margin_bottom = 20 * 5 / 3
+ margin_left = char_width * 5 / 6
padding_top = 40
padding_right = 8
@@ -214,8 +214,8 @@
x=terminal_width // 2,
y=margin_top + char_height + 6,
)
- chrome += f"""
- <g transform="translate(26,22)">
+ chrome += """
+ <g transform="translate(32,22)">
<circle cx="0" cy="0" r="7" fill="#ff5f57"/>
<circle cx="22" cy="0" r="7" fill="#febc2e"/>
<circle cx="44" cy="0" r="7" fill="#28c840"/>
```

21
scripts/code_svg_format_diff.py → scripts/rich-diff
View file

@ -1,10 +1,13 @@
#!/usr/bin/env python3
import inspect
from importlib.metadata import version
from rich._export_format import CONSOLE_SVG_FORMAT as DEFAULT
from rich.console import Console as RichConsole
from yartsu._export_format import CONSOLE_SVG_FORMAT as MODIFIED
from yartsu.console import Console as YartsuConsole
MARKDOWN_DOC = """
# Deviation From Rich
@ -14,10 +17,16 @@ MARKDOWN_DOC = """
- Rich: {rich_version}
- Yartsu: {yartsu_version}
## Diff
## CONSOLE_SVG_FORMAT Diff
```diff
{diff}
{export_format_diff}
```
## Console.export_svg Diff
```diff
{export_svg_diff}
```
AUTO-GENERATED by code_svg_format_diff.py"""
@ -45,8 +54,12 @@ def main():
MARKDOWN_DOC.format(
rich_version=version("rich"),
yartsu_version=version("yartsu"),
diff=unidiff_output(DEFAULT, MODIFIED),
)
export_format_diff=unidiff_output(DEFAULT, MODIFIED),
export_svg_diff=unidiff_output(
inspect.getsource(RichConsole.export_svg),
inspect.getsource(YartsuConsole.export_svg),
),
),
)

11
yartsu/_export_format.py
View file

@ -16,31 +16,36 @@ CONSOLE_SVG_FORMAT = """\
font-style: bold;
font-weight: 700;
}}
.{unique_id}-matrix {{
font-family: Fira Code, monospace;
font-size: {char_height}px;
line-height: {line_height}px;
font-variant-east-asian: full-width;
}}
.{unique_id}-title {{
font-size: 18px;
font-weight: bold;
font-family: arial;
}}
.shadow {{
-webkit-filter: drop-shadow( 5px 10px 15px rgba(0, 0, 0, .7));
filter: drop-shadow( 5px 10px 15px rgba(0, 0, 0, .7));
-webkit-filter: drop-shadow( 2px 5px 2px rgba(0, 0, 0, .7));
filter: drop-shadow( 2px 5px 2px rgba(0, 0, 0, .7));
}}
{styles}
</style>
<defs>
<clipPath id="{unique_id}-clip-terminal">
<rect x="0" y="0" width="{terminal_width}" height="{terminal_height}" />
</clipPath>
{lines}
</defs>
{chrome}
<g transform="translate({terminal_x}, {terminal_y})" clip-path="url(#{unique_id}-clip-terminal)">
<g transform="translate({terminal_x}, {terminal_y}) scale(.95)" clip-path="url(#{unique_id}-clip-terminal)">
{backgrounds}
<g class="{unique_id}-matrix">
{matrix}

2
yartsu/cli.py
View file

@ -5,13 +5,13 @@ from argparse import SUPPRESS, FileType, Namespace
from pathlib import Path
from rich.__main__ import make_test_card
from rich.console import Console
from rich.text import Text
from ._export_format import CONSOLE_SVG_FORMAT
from ._run_cmd import run_cmd
from ._version import __version__
from .argparse import ArgumentParser
from .console import Console
from .term import term
from .themes import THEMES

257
yartsu/console.py Normal file
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@ -0,0 +1,257 @@
import zlib
from html import escape
from math import ceil
from typing import Dict, List, Optional
from rich.color import blend_rgb
from rich.console import Console as RichConsole
from rich.segment import Segment
from rich.style import Style
from rich.terminal_theme import SVG_EXPORT_THEME, TerminalTheme
from ._export_format import CONSOLE_SVG_FORMAT
class Console(RichConsole):
def export_svg(
self,
*,
title: str = "Rich",
theme: Optional[TerminalTheme] = None,
clear: bool = True,
code_format: str = CONSOLE_SVG_FORMAT,
) -> str:
"""
Generate an SVG from the console contents (requires record=True in Console constructor).
Args:
path (str): The path to write the SVG to.
title (str): The title of the tab in the output image
theme (TerminalTheme, optional): The ``TerminalTheme`` object to use to style the terminal
clear (bool, optional): Clear record buffer after exporting. Defaults to ``True``
code_format (str): Format string used to generate the SVG. Rich will inject a number of variables
into the string in order to form the final SVG output. The default template used and the variables
injected by Rich can be found by inspecting the ``console.CONSOLE_SVG_FORMAT`` variable.
"""
from rich.cells import cell_len
style_cache: Dict[Style, str] = {}
def get_svg_style(style: Style) -> str:
"""Convert a Style to CSS rules for SVG."""
if style in style_cache:
return style_cache[style]
css_rules = []
color = (
_theme.foreground_color
if (style.color is None or style.color.is_default)
else style.color.get_truecolor(_theme)
)
bgcolor = (
_theme.background_color
if (style.bgcolor is None or style.bgcolor.is_default)
else style.bgcolor.get_truecolor(_theme)
)
if style.reverse:
color, bgcolor = bgcolor, color
if style.dim:
color = blend_rgb(color, bgcolor, 0.4)
css_rules.append(f"fill: {color.hex}")
if style.bold:
css_rules.append("font-weight: bold")
if style.italic:
css_rules.append("font-style: italic;")
if style.underline:
css_rules.append("text-decoration: underline;")
if style.strike:
css_rules.append("text-decoration: line-through;")
css = ";".join(css_rules)
style_cache[style] = css
return css
_theme = theme or SVG_EXPORT_THEME
width = self.width
char_height = 20
char_width = char_height * 0.61
line_height = char_height * 1.22
margin_top = 1
margin_right = char_width * 5 / 6
margin_bottom = 20 * 5 / 3
margin_left = char_width * 5 / 6
padding_top = 40
padding_right = 8
padding_bottom = 8
padding_left = 8
padding_width = padding_left + padding_right
padding_height = padding_top + padding_bottom
margin_width = margin_left + margin_right
margin_height = margin_top + margin_bottom
text_backgrounds: List[str] = []
text_group: List[str] = []
classes: Dict[str, int] = {}
style_no = 1
def escape_text(text: str) -> str:
"""HTML escape text and replace spaces with nbsp."""
return escape(text).replace(" ", "&#160;")
def make_tag(
name: str, content: Optional[str] = None, **attribs: object
) -> str:
"""Make a tag from name, content, and attributes."""
def stringify(value: object) -> str:
if isinstance(value, (float)):
return format(value, "g")
return str(value)
tag_attribs = " ".join(
f'{k.lstrip("_").replace("_", "-")}="{stringify(v)}"'
for k, v in attribs.items()
)
return (
f"<{name} {tag_attribs}>{content}</{name}>"
if content
else f"<{name} {tag_attribs}/>"
)
with self._record_buffer_lock:
segments = list(Segment.filter_control(self._record_buffer))
if clear:
self._record_buffer.clear()
unique_id = "terminal-" + str(
zlib.adler32(
("".join(segment.text for segment in segments)).encode(
"utf-8", "ignore"
)
+ title.encode("utf-8", "ignore")
)
)
y = 0
for y, line in enumerate(Segment.split_and_crop_lines(segments, length=width)):
x = 0
for text, style, _control in line:
style = style or Style()
rules = get_svg_style(style)
if rules not in classes:
classes[rules] = style_no
style_no += 1
class_name = f"r{classes[rules]}"
if style.reverse:
has_background = True
background = (
_theme.foreground_color.hex
if style.color is None
else style.color.get_truecolor(_theme).hex
)
else:
bgcolor = style.bgcolor
has_background = bgcolor is not None and not bgcolor.is_default
background = (
_theme.background_color.hex
if style.bgcolor is None
else style.bgcolor.get_truecolor(_theme).hex
)
text_length = cell_len(text)
if has_background:
text_backgrounds.append(
make_tag(
"rect",
fill=background,
x=x * char_width,
y=y * line_height + 1.5,
width=char_width * text_length,
height=line_height + 0.25,
shape_rendering="crispEdges",
)
)
if text != " " * len(text):
text_group.append(
make_tag(
"text",
escape_text(text),
_class=f"{unique_id}-{class_name}",
x=x * char_width,
y=y * line_height + char_height,
textLength=char_width * len(text),
clip_path=f"url(#{unique_id}-line-{y})",
)
)
x += cell_len(text)
line_offsets = [line_no * line_height + 1.5 for line_no in range(y)]
lines = "\n".join(
f"""<clipPath id="{unique_id}-line-{line_no}">
{make_tag("rect", x=0, y=offset, width=char_width * width, height=line_height + 0.25)}
</clipPath>"""
for line_no, offset in enumerate(line_offsets)
)
styles = "\n".join(
f".{unique_id}-r{rule_no} {{ {css} }}" for css, rule_no in classes.items()
)
backgrounds = "".join(text_backgrounds)
matrix = "".join(text_group)
terminal_width = ceil(width * char_width + padding_width)
terminal_height = (y + 1) * line_height + padding_height
chrome = make_tag(
"rect",
fill=_theme.background_color.hex,
stroke="rgba(255,255,255,0.35)",
stroke_width="1",
x=margin_left,
y=margin_top,
width=terminal_width,
height=terminal_height,
rx=8,
)
title_color = _theme.foreground_color.hex
if title:
chrome += make_tag(
"text",
escape_text(title),
_class=f"{unique_id}-title",
fill=title_color,
text_anchor="middle",
x=terminal_width // 2,
y=margin_top + char_height + 6,
)
chrome += """
<g transform="translate(32,22)">
<circle cx="0" cy="0" r="7" fill="#ff5f57"/>
<circle cx="22" cy="0" r="7" fill="#febc2e"/>
<circle cx="44" cy="0" r="7" fill="#28c840"/>
</g>
"""
svg = code_format.format(
unique_id=unique_id,
char_width=char_width,
char_height=char_height,
line_height=line_height,
terminal_width=char_width * width - 1,
terminal_height=(y + 1) * line_height - 1,
width=terminal_width + margin_width,
height=terminal_height + margin_height,
terminal_x=margin_left + padding_left,
terminal_y=margin_top + padding_top,
styles=styles,
chrome=chrome,
backgrounds=backgrounds,
matrix=matrix,
lines=lines,
)
return svg