47 lines
1.2 KiB
Python
47 lines
1.2 KiB
Python
# Copyright (c) 2015, Menno Smits
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# Released subject to the New BSD License
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# Please see http://en.wikipedia.org/wiki/BSD_licenses
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from __future__ import unicode_literals
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import six
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import logging
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from six import binary_type, text_type
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from . import exceptions
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logger = logging.getLogger(__name__)
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def to_unicode(s):
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if isinstance(s, binary_type):
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try:
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return s.decode("ascii")
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except UnicodeDecodeError:
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logger.warning(
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"An error occurred while decoding %s in ASCII 'strict' mode. Fallback to "
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"'ignore' errors handling, some characters might have been stripped",
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s,
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)
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return s.decode("ascii", "ignore")
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return s
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def to_bytes(s, charset="ascii"):
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if isinstance(s, text_type):
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return s.encode(charset)
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return s
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def assert_imap_protocol(condition, message=None):
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if not condition:
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msg = "Server replied with a response that violates the IMAP protocol"
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if message:
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msg += "{}: {}".format(msg, message)
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raise exceptions.ProtocolError(msg)
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def chunk(lst, size):
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for i in six.moves.range(0, len(lst), size):
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yield lst[i : i + size]
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