debug¶

class jnrbase.debug.DebugPrint(_DebugPrint__handle)[source]¶

Verbose print wrapper for debugging.

Configure new DebugPrint handler.

Parameters: __handle – File handle to override

static disable()[source]¶

Re-attach sys.stdout to its previous file handle.

Return type: None

static enable()[source]¶

Patch sys.stdout to use DebugPrint.

Return type: None

write(_DebugPrint__text)[source]¶

Write text to the debug stream.

Parameters: __text – Text to write
Return type: int

Functions¶

jnrbase.debug.noisy_wrap(__func)[source]¶

Decorator to enable DebugPrint for a given function.

Parameters: __func (Callable) – Function to wrap
Return type: Callable
Returns: Wrapped function

jnrbase.debug.on_enter(__msg=None)[source]¶

Decorator to display a message when entering a function.

Examples¶

>>> @on_enter()
... def f():
...     print('Hello')
>>> f()
Entering 'f'(<function f at 0x...>)
Hello
>>> f = on_exit(f)
>>> f()
Entering 'f'(<function f at 0x...>)
Hello
Exiting 'f'(<function f at 0x...>)
>>> on_enter(lambda: None)()
Entering '<lambda>'(<function <lambda> at 0x...>)