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Viewing changes to bzrlib/filters/__init__.py

  • Committer: Jelmer Vernooij
  • Date: 2012-04-02 01:44:26 UTC
  • mfrom: (6518 +trunk)
  • mto: This revision was merged to the branch mainline in revision 6519.
  • Revision ID: jelmer@samba.org-20120402014426-0o5qtysohyl006b2
merge bzr.dev.

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bzrlib/filters/__init__.py
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    registry,
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    )
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""")
 
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from bzrlib.symbol_versioning import (
 
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    deprecated_function,
 
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    deprecated_in,
 
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    )
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class ContentFilter(object):
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# The registry of filter stacks indexed by name.
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# See register_filter_stack_map for details on the registered values.
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_filter_stacks_registry = registry.Registry()
 
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filter_stacks_registry = registry.Registry()
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# Cache of preferences -> stack
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_stack_cache = {}
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# XXX: This function doesn't have any tests. JRV 2012-03-29
 
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@deprecated_function(deprecated_in((2, 6, 0)))
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def register_filter_stack_map(name, stack_map_lookup):
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    """Register the filter stacks to use for various preference values.
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      the result is the matching stack of filters to use,
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      or None if none.
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    """
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    if name in _filter_stacks_registry:
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        raise errors.BzrError(
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            "filter stack for %s already installed" % name)
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    _filter_stacks_registry.register(name, stack_map_lookup)
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    filter_stacks_registry.register(name, stack_map_lookup)
 
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# XXX: This function doesn't have any tests. JRV 2012-03-29
 
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@deprecated_function(deprecated_in((2, 6, 0)))
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def lazy_register_filter_stack_map(name, module_name, member_name):
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    """Lazily register the filter stacks to use for various preference values.
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    :param member_name: The name of the stack_map_lookup callable
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      in the module.
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    """
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    if name in _filter_stacks_registry:
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        raise errors.BzrError(
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            "filter stack for %s already installed" % name)
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    _filter_stacks_registry.register_lazy(name, module_name, member_name)
 
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    filter_stacks_registry.register_lazy(name, module_name, member_name)
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def _get_registered_names():
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    """Get the list of names with filters registered."""
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    # Note: We may want to intelligently order these later.
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    # If so, the register_ fn will need to support an optional priority.
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    return _filter_stacks_registry.keys()
 
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    return filter_stacks_registry.keys()
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def _get_filter_stack_for(preferences):
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        if v is None:
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            continue
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        try:
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            stack_map_lookup = _filter_stacks_registry.get(k)
 
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            stack_map_lookup = filter_stacks_registry.get(k)
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        except KeyError:
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            # Some preferences may not have associated filters
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            continue
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    :param value: the value to set the registry to or None for an empty one.
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    :return: the existing value before it reset.
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    """
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    global _filter_stacks_registry
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    original = _filter_stacks_registry
 
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    global filter_stacks_registry
 
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    original = filter_stacks_registry
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    if value is None:
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        _filter_stacks_registry = registry.Registry()
 
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        filter_stacks_registry = registry.Registry()
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    else:
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        _filter_stacks_registry = value
 
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        filter_stacks_registry = value
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    _stack_cache.clear()
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    return original
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lazy_register_filter_stack_map('eol', 'bzrlib.filters.eol', 'eol_lookup')
 
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filter_stacks_registry.register_lazy('eol', 'bzrlib.filters.eol', 'eol_lookup')