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from bzrlib.branch import Branch
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from bzrlib.errors import BzrCommandError, NoCommonRoot, NoSuchRevision
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from bzrlib.graph import node_distances, select_farthest
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from bzrlib.revision import combined_graph, revision_graph
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from bzrlib.revision import combined_graph, revision_graph, NULL_REVISION
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from bzrlib.revision import MultipleRevisionSources
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import bzrlib.errors
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return committer, message, nick, date
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class Grapher(object):
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def __init__(self, branch, other_branch=None):
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object.__init__(self)
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self.branch = branch
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self.other_branch = other_branch
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if other_branch is not None:
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other_repo = other_branch.repository
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revision_b = self.other_branch.last_revision()
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self.graph = self.branch.repository.get_graph(other_repo)
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revision_a = self.branch.last_revision()
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if other_branch is not None:
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branch.fetch(other_branch)
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revision_b = self.other_branch.last_revision()
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self.root, self.ancestors, self.descendants, self.common = \
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combined_graph(revision_a, revision_b,
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self.branch.repository)
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except bzrlib.errors.NoCommonRoot:
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raise bzrlib.errors.NoCommonAncestor(revision_a, revision_b)
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self.root, self.ancestors, self.descendants = \
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revision_graph(revision_a, branch.repository)
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self.scan_graph(revision_a, revision_b)
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self.n_history = branch.revision_history()
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self.distances = node_distances(self.descendants, self.ancestors,
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self.n_revnos = branch.get_revision_id_to_revno_map()
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self.distances = node_distances(self.descendants, self.ancestors,
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if other_branch is not None:
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self.base = select_farthest(self.distances, self.common)
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self.m_history = other_branch.revision_history()
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self.m_history = other_branch.revision_history()
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self.m_revnos = other_branch.get_revision_id_to_revno_map()
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self.new_base = self.graph.find_unique_lca(revision_a,
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self.lcas = self.graph.find_lca(revision_a, revision_b)
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self.m_history = []
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def scan_graph(self, revision_a, revision_b):
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a_ancestors = dict(self.graph.iter_ancestry([revision_a]))
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self.ancestors = a_ancestors
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self.root = NULL_REVISION
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if revision_b is not None:
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b_ancestors = dict(self.graph.iter_ancestry([revision_b]))
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self.common = set(a_ancestors.keys())
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self.common.intersection_update(b_ancestors)
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self.ancestors.update(b_ancestors)
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self.descendants = {}
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for revision, parents in self.ancestors.iteritems():
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self.descendants.setdefault(revision, [])
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parents = [NULL_REVISION]
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for parent in parents:
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self.descendants.setdefault(parent, []).append(revision)
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self.ancestors[ghost] = [NULL_REVISION]
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def _get_revno_str(prefix, revno_map, revision_id):
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revno = revno_map[revision_id]
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return '%s%s' % (prefix, '.'.join(str(n) for n in revno))
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def dot_node(self, node, num):
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assert m_rev is not None
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cluster = "other_history"
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color = "#ff0000"
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if node in self.lcas:
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if node == self.base:
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if node == self.new_base:
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if node == self.new_base:
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committer, message, nick, date = get_rev_info(node,
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committer, message, nick, date = get_rev_info(node,
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self.branch.repository)
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if committer is not None:
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label.append(committer)
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d_node.node_style.append('dotted')
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def get_relations(self, collapse=False, max_distance=None):
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node_relations = []
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visible_ancestors = compact_ancestors(self.descendants,
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self.ancestors, (self.base,))
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exceptions = self.lcas.union([self.base, self.new_base])
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visible_ancestors = compact_ancestors(self.descendants,
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visible_ancestors = self.ancestors
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visible_ancestors = {}
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for revision, parents in self.ancestors.iteritems():
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visible_ancestors[revision] = dict((p, 0) for p in parents)
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if max_distance is not None:
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min_distance = max(self.distances.values()) - max_distance
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visible_ancestors = dict((n, p) for n, p in visible_ancestors.iteritems() if
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self.distances[n] >= min_distance)
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visible_ancestors = dict((n, p) for n, p in
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visible_ancestors.iteritems() if
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self.distances[n] >= min_distance)
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for node, parents in visible_ancestors.iteritems():
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if node not in dot_nodes:
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dot_nodes[node] = self.dot_node(node, num)
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if visible_ancestors is self.ancestors:
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parent_iter = ((f, 0) for f in parents)
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parent_iter = (f for f in parents.iteritems())
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for parent, skipped in parent_iter:
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for parent, skipped in parents.iteritems():
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if parent not in dot_nodes:
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dot_nodes[parent] = self.dot_node(parent, num)