53 lines
1.3 KiB
Python
53 lines
1.3 KiB
Python
from six import PY3, binary_type, text_type
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from cryptography.hazmat.bindings.openssl.binding import Binding
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binding = Binding()
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ffi = binding.ffi
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lib = binding.lib
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def exception_from_error_queue(exceptionType):
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def text(charp):
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return native(ffi.string(charp))
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errors = []
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while True:
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error = lib.ERR_get_error()
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if error == 0:
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break
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errors.append((
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text(lib.ERR_lib_error_string(error)),
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text(lib.ERR_func_error_string(error)),
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text(lib.ERR_reason_error_string(error))))
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raise exceptionType(errors)
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def native(s):
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"""
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Convert :py:class:`bytes` or :py:class:`unicode` to the native
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:py:class:`str` type, using UTF-8 encoding if conversion is necessary.
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:raise UnicodeError: The input string is not UTF-8 decodeable.
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:raise TypeError: The input is neither :py:class:`bytes` nor
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:py:class:`unicode`.
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"""
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if not isinstance(s, (binary_type, text_type)):
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raise TypeError("%r is neither bytes nor unicode" % s)
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if PY3:
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if isinstance(s, binary_type):
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return s.decode("utf-8")
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else:
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if isinstance(s, text_type):
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return s.encode("utf-8")
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return s
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if PY3:
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def byte_string(s):
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return s.encode("charmap")
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else:
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def byte_string(s):
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return s
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