diff options
Diffstat (limited to 'qutebrowser/misc/earlyinit.py')
| -rw-r--r-- | qutebrowser/misc/earlyinit.py | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/qutebrowser/misc/earlyinit.py b/qutebrowser/misc/earlyinit.py index c4ff0bb85..034d7ff74 100644 --- a/qutebrowser/misc/earlyinit.py +++ b/qutebrowser/misc/earlyinit.py @@ -109,19 +109,25 @@ def init_faulthandler(fileobj=sys.__stderr__): when sys.stderr got replaced, e.g. by "Python Tools for Visual Studio". Args: - fobj: An opened file object to write the traceback to. + fileobj: An opened file object to write the traceback to. """ - if fileobj is None: + try: + faulthandler.enable(fileobj) + except (RuntimeError, AttributeError): # When run with pythonw.exe, sys.__stderr__ can be None: # https://docs.python.org/3/library/sys.html#sys.__stderr__ - # If we'd enable faulthandler in that case, we just get a weird - # exception, so we don't enable faulthandler if we have no stdout. + # + # With PyInstaller, it can be a NullWriter raising AttributeError on + # fileno: https://github.com/pyinstaller/pyinstaller/issues/4481 # # Later when we have our data dir available we re-enable faulthandler # to write to a file so we can display a crash to the user at the next # start. + # + # Note that we don't have any logging initialized yet at this point, so + # this is a silent error. return - faulthandler.enable(fileobj) + if (hasattr(faulthandler, 'register') and hasattr(signal, 'SIGUSR1') and sys.stderr is not None): # If available, we also want a traceback on SIGUSR1. @@ -205,7 +211,6 @@ def _check_modules(modules): for name, text in modules.items(): try: - # pylint: disable=bad-continuation with log.py_warning_filter( category=DeprecationWarning, message=r'invalid escape sequence' @@ -220,7 +225,6 @@ def _check_modules(modules): category=DeprecationWarning, message=r'Creating a LegacyVersion has been deprecated', ): - # pylint: enable=bad-continuation importlib.import_module(name) except ImportError as e: _die(text, e) |