[BUG] Importing rich fails with FileNotFoundError if current working directory does not exist

[pradyunsg]

Describe the bug

See pypa/pip#11036 (comment) for the original report and reproducer.

Broadly, importing rich fails with a FileNotFoundError since it tries to lookup cwd unconditionally, but it is possible to cwd to not exist.

❯ mkdir y
❯ cd y
❯ rm -rf ../y
❯ python -c "import rich"
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/tmp/rich-cwd-issue/.venv/lib/python3.9/site-packages/rich/__init__.py", line 16, in <module>
    _IMPORT_CWD = os.path.abspath(os.getcwd())
FileNotFoundError: [Errno 2] No such file or directory

Platform

Click to expand

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

This is not relevant, but MacOS and VSCode's integrated terminal. :)

❯ python -m rich.diagnose
╭───────────────────────── <class 'rich.console.Console'> ─────────────────────────╮
│ A high level console interface.                                                  │
│                                                                                  │
│ ╭──────────────────────────────────────────────────────────────────────────────╮ │
│ │ <console width=180 ColorSystem.TRUECOLOR>                                    │ │
│ ╰──────────────────────────────────────────────────────────────────────────────╯ │
│                                                                                  │
│     color_system = 'truecolor'                                                   │
│         encoding = 'utf-8'                                                       │
│             file = <_io.TextIOWrapper name='<stdout>' mode='w' encoding='utf-8'> │
│           height = 26                                                            │
│    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=180, height=26),             │
│                        legacy_windows=False,                                     │
│                        min_width=1,                                              │
│                        max_width=180,                                            │
│                        is_terminal=True,                                         │
│                        encoding='utf-8',                                         │
│                        max_height=26,                                            │
│                        justify=None,                                             │
│                        overflow=None,                                            │
│                        no_wrap=False,                                            │
│                        highlight=None,                                           │
│                        markup=None,                                              │
│                        height=None                                               │
│                    )                                                             │
│            quiet = False                                                         │
│           record = False                                                         │
│         safe_box = True                                                          │
│             size = ConsoleDimensions(width=180, height=26)                       │
│        soft_wrap = False                                                         │
│           stderr = False                                                         │
│            style = None                                                          │
│         tab_size = 8                                                             │
│            width = 180                                                           │
╰──────────────────────────────────────────────────────────────────────────────────╯
╭─── <class 'rich._windows.WindowsConsoleFeatures'> ────╮
│ Windows features available.                           │
│                                                       │
│ ╭───────────────────────────────────────────────────╮ │
│ │ WindowsConsoleFeatures(vt=False, truecolor=False) │ │
│ ╰───────────────────────────────────────────────────╯ │
│                                                       │
│ truecolor = False                                     │
│        vt = False                                     │
╰───────────────────────────────────────────────────────╯
╭────── Environment Variables ───────╮
│ {                                  │
│     'TERM': 'xterm-256color',      │
│     'COLORTERM': 'truecolor',      │
│     'CLICOLOR': '1',               │
│     'NO_COLOR': None,              │
│     'TERM_PROGRAM': 'vscode',      │
│     'COLUMNS': None,               │
│     'LINES': None,                 │
│     'JPY_PARENT_PID': None,        │
│     'VSCODE_VERBOSE_LOGGING': None │
│ }                                  │
╰────────────────────────────────────╯
platform="Darwin"
❯ pip freeze | grep rich       
rich==12.2.0

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