l.a.p.ByHash : class documentation

Represents a single by-hash directory tree.

Method	__init__	Undocumented
Method	add	Ensure that by-hash entries for a single file exist.
Method	known	Do we know about a file with this name and digest?
Method	prune	Remove all by-hash entries that we have not been told to add.
Method	_usable_archive_hashes	Undocumented

def __init__(self, root, key, log):

Undocumented

@property
def _usable_archive_hashes(self):

Undocumented

def add(self, name, lfa, copy_from_path=None):

Ensure that by-hash entries for a single file exist.

Parameters	name	The name of the file under this directory tree.
	lfa	The `ILibraryFileAlias` to add.
	copy_from_path	If not None, copy file content from here rather than fetching it from the librarian. This can be used for newly-added files to avoid needing to commit the transaction before calling this method.

def known(self, name, hashname, digest):

Do we know about a file with this name and digest?

def prune(self):

Remove all by-hash entries that we have not been told to add.

This also removes the by-hash directory itself if no entries remain.

API Documentation for Launchpad, generated by pydoctor at 2022-06-16 00:00:12.