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[BUG] List of dataclasses without fields printed as empty list #2819

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2 tasks done
michprev opened this issue Feb 19, 2023 · 2 comments · Fixed by #2820
Closed
2 tasks done

[BUG] List of dataclasses without fields printed as empty list #2819

michprev opened this issue Feb 19, 2023 · 2 comments · Fixed by #2820

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@michprev
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Describe the bug

When printing a list of dataclasses that do not have any field, empty list appears which can be very confusing.

Minimal example:

from dataclasses import dataclass

from rich.console import Console


@dataclass
class Person:
    name = "John Doe"


if __name__ == "__main__":
    console = Console()
    console.print([Person()])

What I see:

[]

My expectation:

[Person()]

Platform

Click to expand

I don't think this is a platform-specific issue.

╭───────────────────────── <class 'rich.console.Console'> ─────────────────────────╮
│ A high level console interface.                                                  │
│                                                                                  │
│ ╭──────────────────────────────────────────────────────────────────────────────╮ │
│ │ <console width=149 None>                                                     │ │
│ ╰──────────────────────────────────────────────────────────────────────────────╯ │
│                                                                                  │
│     color_system = None                                                          │
│         encoding = 'utf-8'                                                       │
│             file = <_io.TextIOWrapper name='<stdout>' mode='w' encoding='utf-8'> │
│           height = 24                                                            │
│    is_alt_screen = False                                                         │
│ is_dumb_terminal = False                                                         │
│   is_interactive = False                                                         │
│       is_jupyter = False                                                         │
│      is_terminal = False                                                         │
│   legacy_windows = False                                                         │
│         no_color = False                                                         │
│          options = ConsoleOptions(                                               │
│                        size=ConsoleDimensions(width=149, height=24),             │
│                        legacy_windows=False,                                     │
│                        min_width=1,                                              │
│                        max_width=149,                                            │
│                        is_terminal=False,                                        │
│                        encoding='utf-8',                                         │
│                        max_height=24,                                            │
│                        justify=None,                                             │
│                        overflow=None,                                            │
│                        no_wrap=False,                                            │
│                        highlight=None,                                           │
│                        markup=None,                                              │
│                        height=None                                               │
│                    )                                                             │
│            quiet = False                                                         │
│           record = False                                                         │
│         safe_box = True                                                          │
│             size = ConsoleDimensions(width=149, height=24)                       │
│        soft_wrap = False                                                         │
│           stderr = False                                                         │
│            style = None                                                          │
│         tab_size = 8                                                             │
│            width = 149                                                           │
╰──────────────────────────────────────────────────────────────────────────────────╯
╭─── <class 'rich._windows.WindowsConsoleFeatures'> ────╮
│ Windows features available.                           │
│                                                       │
│ ╭───────────────────────────────────────────────────╮ │
│ │ WindowsConsoleFeatures(vt=False, truecolor=False) │ │
│ ╰───────────────────────────────────────────────────╯ │
│                                                       │
│ truecolor = False                                     │
│        vt = False                                     │
╰───────────────────────────────────────────────────────╯
╭────── Environment Variables ───────╮
│ {                                  │
│     'TERM': 'xterm-256color',      │
│     'COLORTERM': 'truecolor',      │
│     'CLICOLOR': None,              │
│     'NO_COLOR': None,              │
│     'TERM_PROGRAM': 'vscode',      │
│     'COLUMNS': None,               │
│     'LINES': None,                 │
│     'JUPYTER_COLUMNS': None,       │
│     'JUPYTER_LINES': None,         │
│     'JPY_PARENT_PID': None,        │
│     'VSCODE_VERBOSE_LOGGING': None │
│ }                                  │
╰────────────────────────────────────╯
platform="Linux"
rich==13.3.1
rich-click==1.6.0
@github-actions
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Thank you for your issue. Give us a little time to review it.

PS. You might want to check the FAQ if you haven't done so already.

This is an automated reply, generated by FAQtory

@github-actions
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I hope we solved your problem.

If you like using Rich, you might also enjoy Textual

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