diff options
Diffstat (limited to 'cmd2/rl_utils.py')
| -rw-r--r-- | cmd2/rl_utils.py | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/cmd2/rl_utils.py b/cmd2/rl_utils.py index ca75fd8a..e56e338c 100644 --- a/cmd2/rl_utils.py +++ b/cmd2/rl_utils.py @@ -23,6 +23,7 @@ except ImportError: class RlType(Enum): """Readline library types we recognize""" + GNU = 1 PYREADLINE = 2 NONE = 3 @@ -41,9 +42,14 @@ _rl_warn_reason = '' if 'pyreadline' in sys.modules or 'pyreadline3' in sys.modules: rl_type = RlType.PYREADLINE - from ctypes import byref - from ctypes.wintypes import DWORD, HANDLE import atexit + from ctypes import ( + byref, + ) + from ctypes.wintypes import ( + DWORD, + HANDLE, + ) # Check if we are running in a terminal if sys.stdout.isatty(): # pragma: no cover @@ -107,7 +113,7 @@ if 'pyreadline' in sys.modules or 'pyreadline3' in sys.modules: saved_cursor = readline.rl.mode._history.history_cursor # Delete the history item - del(readline.rl.mode._history.history[pos]) + del readline.rl.mode._history.history[pos] # Update the cursor if needed if saved_cursor > pos: @@ -121,10 +127,13 @@ elif 'gnureadline' in sys.modules or 'readline' in sys.modules: try: # Load the readline lib so we can access members of it import ctypes + readline_lib = ctypes.CDLL(readline.__file__) except AttributeError: # pragma: no cover - _rl_warn_reason = ("this application is running in a non-standard Python environment in\n" - "which readline is not loaded dynamically from a shared library file.") + _rl_warn_reason = ( + "this application is running in a non-standard Python environment in\n" + "which readline is not loaded dynamically from a shared library file." + ) else: rl_type = RlType.GNU vt100_support = sys.stdout.isatty() @@ -132,10 +141,11 @@ elif 'gnureadline' in sys.modules or 'readline' in sys.modules: # Check if readline was loaded if rl_type == RlType.NONE: # pragma: no cover if not _rl_warn_reason: - _rl_warn_reason = ("no supported version of readline was found. To resolve this, install\n" - "pyreadline on Windows or gnureadline on Mac.") - rl_warning = ("Readline features including tab completion have been disabled because\n" - + _rl_warn_reason + '\n\n') + _rl_warn_reason = ( + "no supported version of readline was found. To resolve this, install\n" + "pyreadline on Windows or gnureadline on Mac." + ) + rl_warning = "Readline features including tab completion have been disabled because\n" + _rl_warn_reason + '\n\n' else: rl_warning = '' |