| """ |
| websocket - WebSocket client library for Python |
| |
| Copyright (C) 2010 Hiroki Ohtani(liris) |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1335 USA |
| |
| """ |
| __all__ = ["HAVE_SSL", "ssl", "SSLError", "SSLWantReadError", "SSLWantWriteError"] |
| |
| try: |
| import ssl |
| from ssl import SSLError |
| from ssl import SSLWantReadError |
| from ssl import SSLWantWriteError |
| if hasattr(ssl, 'SSLContext') and hasattr(ssl.SSLContext, 'check_hostname'): |
| HAVE_CONTEXT_CHECK_HOSTNAME = True |
| else: |
| HAVE_CONTEXT_CHECK_HOSTNAME = False |
| if hasattr(ssl, "match_hostname"): |
| from ssl import match_hostname |
| else: |
| from backports.ssl_match_hostname import match_hostname |
| __all__.append("match_hostname") |
| __all__.append("HAVE_CONTEXT_CHECK_HOSTNAME") |
| |
| HAVE_SSL = True |
| except ImportError: |
| # dummy class of SSLError for ssl none-support environment. |
| class SSLError(Exception): |
| pass |
| |
| class SSLWantReadError(Exception): |
| pass |
| |
| class SSLWantWriteError(Exception): |
| pass |
| |
| HAVE_SSL = False |
