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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2008-03-16 14:01:20 UTC
  • mfrom: (3280.2.5 integration)
  • Revision ID: pqm@pqm.ubuntu.com-20080316140120-i3yq8yr1l66m11h7
Start 1.4 development

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bzrlib/transport/memory.py
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# Copyright (C) 2005-2010 Canonical Ltd
 
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# Copyright (C) 2005, 2006 Canonical Ltd
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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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#
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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
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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"""Implementation of Transport that uses memory for its storage.
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from cStringIO import StringIO
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import warnings
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from bzrlib import (
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    transport,
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    urlutils,
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    )
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from bzrlib.errors import (
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    FileExists,
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    LockError,
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    AppendBasedFileStream,
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    _file_streams,
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    LateReadError,
 
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    register_transport,
 
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    Server,
 
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    Transport,
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    )
 
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import bzrlib.urlutils as urlutils
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            self.st_mode = S_IFDIR | perms
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class MemoryTransport(transport.Transport):
 
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class MemoryTransport(Transport):
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    """This is an in memory file system for transient data storage."""
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    def __init__(self, url=""):
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        if len(path) == 0 or path[-1] != '/':
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            path += '/'
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        url = self._scheme + path
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        result = self.__class__(url)
 
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        result = MemoryTransport(url)
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        result._dirs = self._dirs
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        result._files = self._files
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        result._locks = self._locks
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        for file in self._files:
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            if file.startswith(self._cwd):
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                yield urlutils.escape(file[len(self._cwd):])
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    def list_dir(self, relpath):
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        """See Transport.list_dir()."""
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        _abspath = self._abspath(relpath)
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                    del container[path]
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        do_renames(self._files)
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        do_renames(self._dirs)
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    def rmdir(self, relpath):
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        """See Transport.rmdir."""
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        _abspath = self._abspath(relpath)
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        """See Transport.stat()."""
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        _abspath = self._abspath(relpath)
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        if _abspath in self._files:
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            return MemoryStat(len(self._files[_abspath][0]), False,
 
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            return MemoryStat(len(self._files[_abspath][0]), False, 
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                              self._files[_abspath][1])
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        elif _abspath in self._dirs:
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            return MemoryStat(0, True, self._dirs[_abspath])
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    """This makes a lock."""
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    def __init__(self, path, transport):
 
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        assert isinstance(transport, MemoryTransport)
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        self.path = path
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        self.transport = transport
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        if self.path in self.transport._locks:
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        self.transport = None
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class MemoryServer(transport.Server):
 
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class MemoryServer(Server):
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    """Server for the MemoryTransport for testing with."""
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    def start_server(self):
 
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    def setUp(self):
 
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        """See bzrlib.transport.Server.setUp."""
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        self._dirs = {'/':None}
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        self._files = {}
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        self._locks = {}
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        self._scheme = "memory+%s:///" % id(self)
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        def memory_factory(url):
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            from bzrlib.transport import memory
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            result = memory.MemoryTransport(url)
 
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            result = MemoryTransport(url)
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            result._dirs = self._dirs
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            result._files = self._files
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            result._locks = self._locks
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            return result
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        self._memory_factory = memory_factory
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        transport.register_transport(self._scheme, self._memory_factory)
 
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        register_transport(self._scheme, memory_factory)
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    def stop_server(self):
 
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    def tearDown(self):
 
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        """See bzrlib.transport.Server.tearDown."""
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        # unregister this server
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        transport.unregister_transport(self._scheme, self._memory_factory)
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    def get_url(self):
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        """See bzrlib.transport.Server.get_url."""
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        return self._scheme
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    def get_bogus_url(self):
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        raise NotImplementedError
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def get_test_permutations():
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    """Return the permutations to be used in testing."""