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- Committer: Patch Queue Manager
- Date: 2012-08-23 14:24:38 UTC
- mfrom: (6499.3.13 832042-shared-stores)
- Revision ID: pqm@pqm.ubuntu.com-20120823142438-804xd3yql622ahhp
(vila) Share and cache local config files (Vincent Ladeuil)
- files modified:
- bzrlib/config.py
added
removed
bzrlib/config.py
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# anyway.
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return 'In-Process Store, no URL'
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class TransportIniFileStore(IniFileStore):
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"""IniFileStore that loads files from a transport.
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# on the relevant parts of the API that needs testing -- vila 20110503 (based
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# on a poolie's remark)
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class GlobalStore(LockableIniFileStore):
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"""A config store for global options.
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There is a single GlobalStore for a given process.
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"""
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def __init__(self, possible_transports=None):
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t = transport.get_transport_from_path(
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class LocationStore(LockableIniFileStore):
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"""A config store for global options.
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There is a single GlobalStore for a given process.
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"""
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def __init__(self, possible_transports=None):
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t = transport.get_transport_from_path(
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class BranchStore(TransportIniFileStore):
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"""A config store for branch options.
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There is a single BranchStore for a given branch.
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"""
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def __init__(self, branch):
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super(BranchStore, self).__init__(branch.control_transport,
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yield is_ref, chunk
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is_ref = not is_ref
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# FIXME: _shared_stores should be an attribute of a library state once a
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# library_state object is always available.
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_shared_stores = {}
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_shared_stores_at_exit_installed = False
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class Stack(object):
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"""A stack of configurations where an option can be defined"""
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return "<config.%s(%s)>" % (self.__class__.__name__, id(self))
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def _get_overrides(self):
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# Hack around library_state.initialize never called
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# FIXME: Hack around library_state.initialize never called
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if bzrlib.global_state is not None:
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return bzrlib.global_state.cmdline_overrides.get_sections()
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return []
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def get_shared_store(self, store, state=None):
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"""Get a known shared store.
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Store urls uniquely identify them and are used to ensure a single copy
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is shared across all users.
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:param store: The store known to the caller.
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:param state: The library state where the known stores are kept.
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:returns: The store received if it's not a known one, an already known
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otherwise.
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"""
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if state is None:
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state = bzrlib.global_state
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if state is None:
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global _shared_stores_at_exit_installed
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stores = _shared_stores
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def save_config_changes():
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for k, store in stores.iteritems():
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store.save_changes()
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if not _shared_stores_at_exit_installed:
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# FIXME: Ugly hack waiting for library_state to always be
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# available. -- vila 20120731
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import atexit
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atexit.register(save_config_changes)
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_shared_stores_at_exit_installed = True
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else:
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stores = state.config_stores
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url = store.external_url()
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try:
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return stores[url]
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except KeyError:
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stores[url] = store
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return store
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class MemoryStack(Stack):
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"""A configuration stack defined from a string.
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self.store.save()
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class GlobalStack(_CompatibleStack):
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class GlobalStack(Stack):
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"""Global options only stack.
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The following sections are queried:
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"""
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def __init__(self):
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gstore = GlobalStore()
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gstore = self.get_shared_store(GlobalStore())
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super(GlobalStack, self).__init__(
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[self._get_overrides,
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NameMatcher(gstore, 'DEFAULT').get_sections],
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gstore, mutable_section_id='DEFAULT')
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class LocationStack(_CompatibleStack):
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class LocationStack(Stack):
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"""Per-location options falling back to global options stack.
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"""Make a new stack for a location and global configuration.
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:param location: A URL prefix to """
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lstore = LocationStore()
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lstore = self.get_shared_store(LocationStore())
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if location.startswith('file://'):
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location = urlutils.local_path_from_url(location)
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gstore = GlobalStore()
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gstore = self.get_shared_store(GlobalStore())
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super(LocationStack, self).__init__(
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[self._get_overrides,
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LocationMatcher(lstore, location).get_sections,
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"""
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def __init__(self, branch):
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lstore = LocationStore()
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lstore = self.get_shared_store(LocationStore())
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bstore = branch._get_config_store()
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gstore = GlobalStore()
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gstore = self.get_shared_store(GlobalStore())
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super(BranchStack, self).__init__(
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[self._get_overrides,
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LocationMatcher(lstore, branch.base).get_sections,
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# unlock saves all the changes.
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class RemoteControlStack(_CompatibleStack):
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class RemoteControlStack(Stack):
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"""Remote control-only options stack."""
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# FIXME 2011-11-22 JRV This should probably be renamed to avoid confusion
Loggerhead is a web-based interface for Breezy
Version: 2.0.1