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author | James Taylor <user234683@users.noreply.github.com> | 2018-07-12 23:40:30 -0700 |
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committer | James Taylor <user234683@users.noreply.github.com> | 2018-07-12 23:41:07 -0700 |
commit | c3b9f8c4582882cd1f768b0727eca75475bb4f94 (patch) | |
tree | 5b4a1c693fd5b7416f1d5a75862e633502e77ca7 /python/gevent/win32util.py | |
parent | fe9fe8257740529f5880693992e4eeca35c7ea3e (diff) | |
download | yt-local-c3b9f8c4582882cd1f768b0727eca75475bb4f94.tar.lz yt-local-c3b9f8c4582882cd1f768b0727eca75475bb4f94.tar.xz yt-local-c3b9f8c4582882cd1f768b0727eca75475bb4f94.zip |
track embedded python distribution
Diffstat (limited to 'python/gevent/win32util.py')
-rw-r--r-- | python/gevent/win32util.py | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/python/gevent/win32util.py b/python/gevent/win32util.py new file mode 100644 index 0000000..7158d69 --- /dev/null +++ b/python/gevent/win32util.py @@ -0,0 +1,98 @@ +# Copyright (c) 2001-2007 Twisted Matrix Laboratories. +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +"""Error formatting function for Windows. + +The code is taken from twisted.python.win32 module. +""" + +from __future__ import absolute_import +import os + + +__all__ = ['formatError'] + + +class _ErrorFormatter(object): + """ + Formatter for Windows error messages. + + @ivar winError: A callable which takes one integer error number argument + and returns an L{exceptions.WindowsError} instance for that error (like + L{ctypes.WinError}). + + @ivar formatMessage: A callable which takes one integer error number + argument and returns a C{str} giving the message for that error (like + L{win32api.FormatMessage}). + + @ivar errorTab: A mapping from integer error numbers to C{str} messages + which correspond to those errors (like L{socket.errorTab}). + """ + def __init__(self, WinError, FormatMessage, errorTab): + self.winError = WinError + self.formatMessage = FormatMessage + self.errorTab = errorTab + + @classmethod + def fromEnvironment(cls): + """ + Get as many of the platform-specific error translation objects as + possible and return an instance of C{cls} created with them. + """ + try: + from ctypes import WinError + except ImportError: + WinError = None + try: + from win32api import FormatMessage + except ImportError: + FormatMessage = None + try: + from socket import errorTab + except ImportError: + errorTab = None + return cls(WinError, FormatMessage, errorTab) + + def formatError(self, errorcode): + """ + Returns the string associated with a Windows error message, such as the + ones found in socket.error. + + Attempts direct lookup against the win32 API via ctypes and then + pywin32 if available), then in the error table in the socket module, + then finally defaulting to C{os.strerror}. + + @param errorcode: the Windows error code + @type errorcode: C{int} + + @return: The error message string + @rtype: C{str} + """ + if self.winError is not None: + return str(self.winError(errorcode)) + if self.formatMessage is not None: + return self.formatMessage(errorcode) + if self.errorTab is not None: + result = self.errorTab.get(errorcode) + if result is not None: + return result + return os.strerror(errorcode) + +formatError = _ErrorFormatter.fromEnvironment().formatError |