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[BUG] Background color carries over onto the following line when soft wrapping is enabled. #3838

@kmvanbrunt

Description

@kmvanbrunt

Describe the bug

When printing text with a background color and soft wrapping enabled, the background color incorrectly carries over onto the following line. This means an ANSI reset isn't being placed before the newline.

This issue does not occur when soft_wrap is set to False.

Here is code to reproduce it.

Note: To visually reproduce this issue, you must run the code with your prompt at the bottom of the terminal window, forcing the terminal to scroll.

from rich.console import Console

console = Console()

# Print with soft_wrap enabled. The background color carries over to the next line.
console.print("soft wrap is on", style="blue on white", soft_wrap=True)
console.print("still has background color from previous line")

console.print()

# Print with soft_wrap disabled. The background color does not carry over.
console.print("soft wrap is off", style="blue on white", soft_wrap=False)
console.print("correctly has no color from previous line")

Here is a screenshot of the behavior.

Image

Platform

Click to expand

What platform (Win/Linux/Mac) are you running on? What terminal software are you using?
Linux

I may ask you to copy and paste the output of the following commands. It may save some time if you do it now.

If you're using Rich in a terminal:

python -m rich.diagnose
pip freeze | grep rich
(.venv) user@host:~/source/rich$$ python -m rich.diagnose
╭───────────────────────── <class 'rich.console.Console'> ─────────────────────────╮
│ A high level console interface.                                                  │
│                                                                                  │
│ ╭──────────────────────────────────────────────────────────────────────────────╮ │
│ │ <console width=237 ColorSystem.EIGHT_BIT>                                    │ │
│ ╰──────────────────────────────────────────────────────────────────────────────╯ │
│                                                                                  │
│     color_system = '256'                                                         │
│         encoding = 'utf-8'                                                       │
│             file = <_io.TextIOWrapper name='<stdout>' mode='w' encoding='utf-8'> │
│           height = 54                                                            │
│    is_alt_screen = False                                                         │
│ is_dumb_terminal = False                                                         │
│   is_interactive = True                                                          │
│       is_jupyter = False                                                         │
│      is_terminal = True                                                          │
│   legacy_windows = False                                                         │
│         no_color = False                                                         │
│          options = ConsoleOptions(                                               │
│                        size=ConsoleDimensions(width=237, height=54),             │
│                        legacy_windows=False,                                     │
│                        min_width=1,                                              │
│                        max_width=237,                                            │
│                        is_terminal=True,                                         │
│                        encoding='utf-8',                                         │
│                        max_height=54,                                            │
│                        justify=None,                                             │
│                        overflow=None,                                            │
│                        no_wrap=False,                                            │
│                        highlight=None,                                           │
│                        markup=None,                                              │
│                        height=None                                               │
│                    )                                                             │
│            quiet = False                                                         │
│           record = False                                                         │
│         safe_box = True                                                          │
│             size = ConsoleDimensions(width=237, height=54)                       │
│        soft_wrap = False                                                         │
│           stderr = False                                                         │
│            style = None                                                          │
│         tab_size = 8                                                             │
│            width = 237                                                           │
╰──────────────────────────────────────────────────────────────────────────────────╯
╭─── <class 'rich._windows.WindowsConsoleFeatures'> ────╮
│ Windows features available.                           │
│                                                       │
│ ╭───────────────────────────────────────────────────╮ │
│ │ WindowsConsoleFeatures(vt=False, truecolor=False) │ │
│ ╰───────────────────────────────────────────────────╯ │
│                                                       │
│ truecolor = False                                     │
│        vt = False                                     │
╰───────────────────────────────────────────────────────╯
╭────── Environment Variables ───────╮
│ {                                  │
│     'CLICOLOR': None,              │
│     'COLORTERM': None,             │
│     'COLUMNS': None,               │
│     'JPY_PARENT_PID': None,        │
│     'JUPYTER_COLUMNS': None,       │
│     'JUPYTER_LINES': None,         │
│     'LINES': None,                 │
│     'NO_COLOR': None,              │
│     'TERM_PROGRAM': None,          │
│     'TERM': 'xterm-256color',      │
│     'TTY_COMPATIBLE': None,        │
│     'TTY_INTERACTIVE': None,       │
│     'VSCODE_VERBOSE_LOGGING': None │
│ }                                  │
╰────────────────────────────────────╯
platform="Linux"

(.venv) user@host:~/source/rich$ pip freeze | grep rich
rich==14.1.0

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