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