bzrlib.repofmt.knitpack_repo.KnitPacker : API documentation

def __init__(self, pack_collection, packs, suffix, revision_ids=None, reload_func=None):

overrides bzrlib.repofmt.pack_repo.Packer.__init__

overridden in bzrlib.repofmt.knitpack_repo.KnitReconcilePacker

Create a Packer.

Parameters	pack_collection	A RepositoryPackCollection object where the new pack is being written to.
	packs	The packs to combine.
	suffix	The suffix to use on the temporary files for the pack.
	revision_ids	Revision ids to limit the pack to.
	reload_func	A function to call if a pack file/index goes missing. The side effect of calling this function should be to update self.packs. See also AggregateIndex

def _pack_map_and_index_list(self, index_attribute):

Convert a list of packs to an index pack map and index list.

Parameters	index_attribute	The attribute that the desired index is found on.
Returns	A tuple (map, list) where map contains the dict from index:pack_tuple, and list contains the indices in the preferred access order.

def _index_contents(self, indices, key_filter=None):

Get an iterable of the index contents from a pack_map.

Parameters	indices	The list of indices to query
	key_filter	An optional filter to limit the keys returned.

def _copy_nodes(self, nodes, index_map, writer, write_index, output_lines=None):

Copy knit nodes between packs with no graph references.

Parameters output_lines Output full texts of copied items.

def _do_copy_nodes(self, nodes, index_map, writer, write_index, pb, output_lines=None):

Undocumented

def _copy_nodes_graph(self, index_map, writer, write_index, readv_group_iter, total_items, output_lines=False):

Copy knit nodes between packs.

Parameters output_lines Return lines present in the copied data as an iterator of line,version_id.

def _do_copy_nodes_graph(self, index_map, writer, write_index, output_lines, pb, readv_group_iter, total_items):

Undocumented

def _process_inventory_lines(self, inv_lines):

overridden in bzrlib.repofmt.knitpack_repo.KnitReconcilePacker

Use up the inv_lines generator and setup a text key filter.

def _copy_inventory_texts(self):

overrides bzrlib.repofmt.pack_repo.Packer._copy_inventory_texts

Copy the inventory texts to the new pack.

self._revision_keys is used to determine what inventories to copy.

Sets self._text_filter appropriately.

def _update_pack_order(self, entries, index_to_pack_map):

Determine how we want our packs to be ordered.

This changes the sort order of the self.packs list so that packs unused by 'entries' will be at the end of the list, so that future requests can avoid probing them. Used packs will be at the front of the self.packs list, in the order of their first use in 'entries'.

Parameters	entries	A list of (index, ...) tuples
	index_to_pack_map	A mapping from index objects to pack objects.

def _copy_revision_texts(self):

overrides bzrlib.repofmt.pack_repo.Packer._copy_revision_texts

Copy revision data to the new pack.

def _get_text_nodes(self):

Undocumented

def _copy_text_texts(self):

overrides bzrlib.repofmt.pack_repo.Packer._copy_text_texts

overridden in bzrlib.repofmt.knitpack_repo.KnitReconcilePacker

Undocumented

def _create_pack_from_packs(self):

overrides bzrlib.repofmt.pack_repo.Packer._create_pack_from_packs

Undocumented

def _least_readv_node_readv(self, nodes):

Generate request groups for nodes using the least readv's.

Parameters	nodes	An iterable of graph index nodes.
Returns	Total node count and an iterator of the data needed to perform readvs to obtain the data for nodes. Each item yielded by the iterator is a tuple with: index, readv_vector, node_vector. readv_vector is a list ready to hand to the transport readv method, and node_vector is a list of (key, eol_flag, references) for the node retrieved by the matching readv_vector.

def _revision_node_readv(self, revision_nodes):

overridden in bzrlib.repofmt.knitpack_repo.OptimisingKnitPacker

Return the total revisions and the readv's to issue.

Parameters	revision_nodes	The revision index contents for the packs being incorporated into the new pack.
Returns	As per _least_readv_node_readv.

Method	pack	Create a new pack by reading data from other packs.
Method	open_pack	Open a pack for the pack we are creating.
Method	_log_copied_texts	Undocumented
Method	_use_pack	Return True if new_pack should be used.

Method	__init__	Create a Packer.
Method	_pack_map_and_index_list	Convert a list of packs to an index pack map and index list.
Method	_index_contents	Get an iterable of the index contents from a pack_map.
Method	_copy_nodes	Copy knit nodes between packs with no graph references.
Method	_do_copy_nodes	Undocumented
Method	_copy_nodes_graph	Copy knit nodes between packs.
Method	_do_copy_nodes_graph	Undocumented
Method	_process_inventory_lines	Use up the inv_lines generator and setup a text key filter.
Method	_copy_inventory_texts	Copy the inventory texts to the new pack.
Method	_update_pack_order	Determine how we want our packs to be ordered.
Method	_copy_revision_texts	Copy revision data to the new pack.
Method	_get_text_nodes	Undocumented
Method	_copy_text_texts	Undocumented
Method	_create_pack_from_packs	Undocumented
Method	_least_readv_node_readv	Generate request groups for nodes using the least readv's.
Method	_revision_node_readv	Return the total revisions and the readv's to issue.

b.r.k.KnitPacker(Packer) : class documentation