def preview_tree_post(testcase, tree):
basis = tree.basis_tree()
tt = TransformPreview(basis)
testcase.addCleanup(tt.finalize)
tree.lock_read()
testcase.addCleanup(tree.unlock)
pp = None
transform._prepare_revert_transform(basis, tree, tt, None, False, None,
basis, {})
preview_tree = tt.get_preview_tree()
preview_tree.set_parent_ids(tree.get_parent_ids())
return preview_tree
def __init__(self, db_branch, committer=None, no_race_check=False,
merge_parents=None, committer_id=None):
"""Create context for direct commit to branch.
Before constructing a `DirectBranchCommit`, set up a server that
allows write access to lp-internal:/// URLs:
bzrserver = get_rw_server()
bzrserver.start_server()
try:
branchcommit = DirectBranchCommit(branch)
# ...
finally:
bzrserver.stop_server()
Or in tests, just call `useBzrBranches` before creating a
`DirectBranchCommit`.
:param db_branch: a Launchpad `Branch` object.
:param committer: the `Person` writing to the branch. Defaults to
the branch owner.
:param no_race_check: don't check for other commits before committing
our changes, for use in tests.
:param committer_id: Optional identification (typically with email
address) of the person doing the commit, for use in bzr. If not
given, the `committer`'s email address will be used instead.
"""
self.db_branch = db_branch
self.last_scanned_id = self.db_branch.last_scanned_id
if committer is None:
committer = db_branch.owner
self.committer = committer
self.committer_id = committer_id
self.no_race_check = no_race_check
# Directories we create on the branch, and their ids.
self.path_ids = {}
self.bzrbranch = self.db_branch.getBzrBranch()
self.bzrbranch.lock_write()
self.is_locked = True
try:
self.revision_tree = self.bzrbranch.basis_tree()
self.transform_preview = TransformPreview(self.revision_tree)
assert self.transform_preview.find_conflicts() == [], (
"TransformPreview is not in a consistent state.")
if not no_race_check:
last_revision = self.bzrbranch.last_revision()
if not self._matchingLastMirrored(last_revision):
raise StaleLastMirrored(
db_branch, get_branch_info(self.bzrbranch))
self.is_open = True
except:
self.unlock()
raise
self.files = set()
self.merge_parents = merge_parents
def preview_tree_pre(testcase, tree):
tt = TransformPreview(tree)
testcase.addCleanup(tt.finalize)
preview_tree = tt.get_preview_tree()
preview_tree.set_parent_ids(tree.get_parent_ids())
return preview_tree
def mutable_trees_to_preview_trees(test_case, source, target):
preview = TransformPreview(target)
test_case.addCleanup(preview.finalize)
return source, preview.get_preview_tree()
