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# RhodeCode VCSServer provides access to different vcs backends via network.
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# Copyright (C) 2014-2018 RhodeCode GmbH
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""
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Special exception handling over the wire.
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Since we cannot assume that our client is able to import our exception classes,
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this module provides a "wrapping" mechanism to raise plain exceptions
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which contain an extra attribute `_vcs_kind` to allow a client to distinguish
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different error conditions.
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"""
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import functools
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from pyramid.httpexceptions import HTTPLocked
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def _make_exception(kind, *args):
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"""
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Prepares a base `Exception` instance to be sent over the wire.
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To give our caller a hint what this is about, it will attach an attribute
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`_vcs_kind` to the exception.
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"""
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exc = Exception(*args)
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exc._vcs_kind = kind
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return exc
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AbortException = functools.partial(_make_exception, 'abort')
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ArchiveException = functools.partial(_make_exception, 'archive')
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LookupException = functools.partial(_make_exception, 'lookup')
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VcsException = functools.partial(_make_exception, 'error')
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RepositoryLockedException = functools.partial(_make_exception, 'repo_locked')
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RequirementException = functools.partial(_make_exception, 'requirement')
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UnhandledException = functools.partial(_make_exception, 'unhandled')
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URLError = functools.partial(_make_exception, 'url_error')
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SubrepoMergeException = functools.partial(_make_exception, 'subrepo_merge_error')
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class HTTPRepoLocked(HTTPLocked):
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"""
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Subclass of HTTPLocked response that allows to set the title and status
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code via constructor arguments.
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"""
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def __init__(self, title, status_code=None, **kwargs):
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self.code = status_code or HTTPLocked.code
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self.title = title
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super(HTTPRepoLocked, self).__init__(**kwargs)
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