95 lines
3.1 KiB
Python
95 lines
3.1 KiB
Python
"""
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raven.utils.encoding
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:copyright: (c) 2010-2012 by the Sentry Team, see AUTHORS for more details.
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:license: BSD, see LICENSE for more details.
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"""
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from __future__ import unicode_literals
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import warnings
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from raven.utils import six
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def is_protected_type(obj):
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"""Determine if the object instance is of a protected type.
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Objects of protected types are preserved as-is when passed to
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force_text(strings_only=True).
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"""
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import Decimal
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import datetime
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return isinstance(obj, six.integer_types + (type(None), float, Decimal,
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datetime.datetime, datetime.date, datetime.time))
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def force_text(s, encoding='utf-8', strings_only=False, errors='strict'):
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"""
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Similar to smart_text, except that lazy instances are resolved to
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strings, rather than kept as lazy objects.
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If strings_only is True, don't convert (some) non-string-like objects.
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"""
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# Handle the common case first, saves 30-40% when s is an instance of
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# six.text_type. This function gets called often in that setting.
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if isinstance(s, six.text_type):
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return s
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if strings_only and is_protected_type(s):
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return s
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try:
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if not isinstance(s, six.string_types):
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if hasattr(s, '__unicode__'):
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s = s.__unicode__()
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else:
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if six.PY3:
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if isinstance(s, bytes):
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s = six.text_type(s, encoding, errors)
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else:
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s = six.text_type(s)
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else:
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s = six.text_type(bytes(s), encoding, errors)
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else:
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# Note: We use .decode() here, instead of six.text_type(s, encoding,
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# errors), so that if s is a SafeBytes, it ends up being a
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# SafeText at the end.
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s = s.decode(encoding, errors)
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except UnicodeDecodeError as e:
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if not isinstance(s, Exception):
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raise UnicodeDecodeError(s, *e.args)
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else:
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# If we get to here, the caller has passed in an Exception
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# subclass populated with non-ASCII bytestring data without a
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# working unicode method. Try to handle this without raising a
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# further exception by individually forcing the exception args
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# to unicode.
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s = ' '.join([force_text(arg, encoding, strings_only,
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errors) for arg in s])
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return s
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def transform(value):
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from raven.utils.serializer import transform
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warnings.warn('You should switch to raven.utils.serializer.transform', DeprecationWarning)
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return transform(value)
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def to_unicode(value):
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try:
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value = six.text_type(force_text(value))
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except (UnicodeEncodeError, UnicodeDecodeError):
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value = '(Error decoding value)'
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except Exception: # in some cases we get a different exception
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try:
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value = six.binary_type(repr(type(value)))
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except Exception:
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value = '(Error decoding value)'
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return value
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def to_string(value):
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try:
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return six.binary_type(value.decode('utf-8').encode('utf-8'))
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except:
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return to_unicode(value).encode('utf-8')
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