"""Beautiful and helpful exceptions Just set your `BETTER_EXCEPTIONS` environment variable. It handles the rest. Name: better_exceptions Author: Josh Junon Email: josh@junon.me URL: github.com/qix-/better-exceptions License: Copyright (c) 2017 Josh Junon, licensed under the MIT license """ from __future__ import absolute_import from __future__ import print_function import logging import sys from .formatter import THEME, MAX_LENGTH, PIPE_CHAR, CAP_CHAR, ExceptionFormatter from .encoding import to_byte from .context import PY3 from .color import SUPPORTS_COLOR, SHOULD_ENCODE, STREAM from .log import BetExcLogger, patch as patch_logging from .repl import interact, get_repl __version__ = '0.2.2' THEME = THEME.copy() # Users customizing the theme should not impact core def write_stream(data, stream=STREAM): if SHOULD_ENCODE: data = to_byte(data) if PY3: stream.buffer.write(data) else: stream.write(data) else: stream.write(data) def format_exception(exc, value, tb): # Rebuild each time to take into account any changes made by the user to the global parameters formatter = ExceptionFormatter(colored=SUPPORTS_COLOR, theme=THEME, max_length=MAX_LENGTH, pipe_char=PIPE_CHAR, cap_char=CAP_CHAR) return list(formatter.format_exception(exc, value, tb)) def excepthook(exc, value, tb): formatted = u''.join(format_exception(exc, value, tb)) write_stream(formatted, STREAM) def hook(): sys.excepthook = excepthook logging.setLoggerClass(BetExcLogger) patch_logging() if hasattr(sys, 'ps1'): print('WARNING: better_exceptions will only inspect code from the command line\n' ' when using: `python -m better_exceptions\'. Otherwise, only code\n' ' loaded from files will be inspected!', file=sys.stderr)