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- Committer: Jelmer Vernooij
- Date: 2008-04-25 20:03:44 UTC
- mfrom: (463.3.1 bug.215350)
- Revision ID: jelmer@samba.org-20080425200344-1s2gp5qnoq15fu1o
Merge fix for View Changes menu option.
- files removed:
- olive-gtk.1
- files renamed:
- bzr-handle-patch => handle-patch
- files modified:
- NEWS
added
removed
branchview/linegraph.py
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from bzrlib.revision import NULL_REVISION
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from bzrlib.tsort import merge_sort
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from bzrlib import ui
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def linegraph(graph, start_revs, maxnum=None, broken_line_length=None,
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graph_data=True, mainline_only=False, root_progress=None):
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def linegraph(repository, start_revs, maxnum, broken_line_length = None,
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graph_data = True, mainline_only = False):
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"""Produce a directed graph of a bzr repository.
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Returns a tuple of (line_graph, revid_index, columns_len) where
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It's up to you how to actually draw the nodes and lines (straight,
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curved, kinked, etc.) and to pick the actual colours for each index.
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"""
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assert isinstance(start_revs, list)
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def update_root_progress(step_number):
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"""IFF our container received a root progress bar, then update it."""
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if root_progress is not None:
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root_progress.update(current=step_number)
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graph = repository.get_graph()
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graph_parents = {}
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ghosts = set()
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graph_children = {}
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update_root_progress(1)
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progress_bar = ui.ui_factory.nested_progress_bar()
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try:
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progress_bar.update(msg="Arranging tree fragments")
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for i, (revid, parent_revids) in enumerate(graph.iter_ancestry(start_revs)):
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if i % 25 == 0:
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progress_bar.tick()
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if parent_revids is None:
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ghosts.add(revid)
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continue
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if parent_revids == (NULL_REVISION,):
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graph_parents[revid] = ()
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else:
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graph_parents[revid] = parent_revids
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for parent in parent_revids:
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graph_children.setdefault(parent, []).append(revid)
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graph_children.setdefault(revid, [])
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finally:
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progress_bar.finished()
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for (revid, parent_revids) in graph.iter_ancestry(start_revs):
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if parent_revids == (NULL_REVISION,):
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graph_parents[revid] = ()
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else:
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graph_parents[revid] = parent_revids
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graph_children[revid] = []
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update_root_progress(2)
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progress_bar = ui.ui_factory.nested_progress_bar()
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try:
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progress_bar.update(msg="Removing ghosts", total=len(ghosts))
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for i, ghost in enumerate(ghosts):
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if i % 25 == 0:
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progress_bar.update(current=i)
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for ghost_child in graph_children[ghost]:
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graph_parents[ghost_child] = [p for p in graph_parents[ghost_child]
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if p not in ghosts]
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finally:
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progress_bar.finished()
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graph_parents["top:"] = start_revs
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if len(graph_parents)>0:
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linegraph = []
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update_root_progress(3)
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progress_bar = ui.ui_factory.nested_progress_bar()
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try:
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progress_bar.update(msg="Finding nodes", total=len(merge_sorted_revisions))
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for (rev_index, (sequence_number,
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revid,
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merge_depth,
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revno_sequence,
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end_of_merge)) in enumerate(merge_sorted_revisions):
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if rev_index % 25 == 0:
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progress_bar.update(current=rev_index)
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if maxnum and rev_index >= maxnum:
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break
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revid_index[revid] = rev_index
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parents = graph_parents[revid]
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linegraph.append([revid,
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None,
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[],
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parents,
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None,
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revno_sequence])
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if graph_data:
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revno_index[revno_sequence] = rev_index
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branch_id = revno_sequence[0:-1]
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branch_line = None
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if branch_id not in branch_lines:
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branch_line = []
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branch_lines[branch_id] = branch_line
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else:
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branch_line = branch_lines[branch_id]
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branch_line.append(rev_index)
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finally:
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progress_bar.finished()
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for (rev_index, (sequence_number,
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revid,
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merge_depth,
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revno_sequence,
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end_of_merge)) in enumerate(merge_sorted_revisions):
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if maxnum and rev_index >= maxnum:
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break
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revid_index[revid] = rev_index
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parents = graph_parents[revid]
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for parent_revid in parents:
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graph_children[parent_revid].append(revid)
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linegraph.append([revid,
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None,
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[],
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parents,
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None,
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revno_sequence])
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if graph_data:
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revno_index[revno_sequence] = rev_index
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branch_id = revno_sequence[0:-1]
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branch_line = None
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if branch_id not in branch_lines:
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branch_line = []
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branch_lines[branch_id] = branch_line
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else:
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branch_line = branch_lines[branch_id]
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branch_line.append(rev_index)
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if graph_data:
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branch_ids = branch_lines.keys()
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columns = [list(empty_column)]
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update_root_progress(4)
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progress_bar = ui.ui_factory.nested_progress_bar()
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try:
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progress_bar.update(msg="Organizing edges", total=len(branch_ids))
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for i, branch_id in enumerate(branch_ids):
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if i % 25 == 0:
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progress_bar.update(current=i)
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branch_line = branch_lines[branch_id]
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# Find the col_index for the direct parent branch. This will be the
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# starting point when looking for a free column.
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parent_col_index = 0
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parent_index = None
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if len(branch_id) > 1:
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parent_revno = branch_id[0:-1]
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if parent_revno in revno_index:
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parent_index = revno_index[parent_revno]
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for branch_id in branch_ids:
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branch_line = branch_lines[branch_id]
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# Find the col_index for the direct parent branch. This will be the
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# starting point when looking for a free column.
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parent_col_index = 0
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parent_index = None
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if len(branch_id) > 1:
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parent_revno = branch_id[0:-1]
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if parent_revno in revno_index:
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parent_index = revno_index[parent_revno]
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parent_node = linegraph[parent_index][1]
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if parent_node:
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parent_col_index = parent_node[0]
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col_search_order = _branch_line_col_search_order(columns,
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parent_col_index)
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color = reduce(lambda x, y: x+y, branch_id, 0)
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cur_cont_line = []
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line_range = []
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last_rev_index = None
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for rev_index in branch_line:
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if last_rev_index:
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if broken_line_length and \
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rev_index - last_rev_index > broken_line_length:
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line_range.append(last_rev_index+1)
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line_range.append(rev_index-1)
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else:
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line_range.extend(range(last_rev_index+1, rev_index))
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line_range.append(rev_index)
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last_rev_index = rev_index
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if parent_index:
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if broken_line_length and \
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parent_index - last_rev_index > broken_line_length:
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line_range.append(last_rev_index+1)
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else:
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line_range.extend(range(last_rev_index+1, parent_index))
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col_index = _find_free_column(columns,
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empty_column,
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col_search_order,
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line_range)
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node = (col_index, color)
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for rev_index in branch_line:
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linegraph[rev_index][1] = node
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columns[col_index][rev_index] = True
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for rev_index in branch_line:
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(sequence_number,
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revid,
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merge_depth,
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revno_sequence,
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end_of_merge) = merge_sorted_revisions[rev_index]
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linegraph[rev_index][4] = graph_children[revid]
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col_index = linegraph[rev_index][1][0]
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for parent_revid in graph_parents[revid]:
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if parent_revid in revid_index:
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parent_index = revid_index[parent_revid]
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parent_node = linegraph[parent_index][1]
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if parent_node:
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parent_col_index = parent_node[0]
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col_search_order = _branch_line_col_search_order(columns,
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parent_col_index)
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color = reduce(lambda x, y: x+y, branch_id, 0)
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cur_cont_line = []
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line_range = []
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last_rev_index = None
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for rev_index in branch_line:
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if last_rev_index:
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if broken_line_length and \
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rev_index - last_rev_index > broken_line_length:
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line_range.append(last_rev_index+1)
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line_range.append(rev_index-1)
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else:
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line_range.extend(range(last_rev_index+1, rev_index))
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line_range.append(rev_index)
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last_rev_index = rev_index
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if parent_index:
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if broken_line_length and \
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parent_index - last_rev_index > broken_line_length:
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line_range.append(last_rev_index+1)
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else:
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line_range.extend(range(last_rev_index+1, parent_index))
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col_index = _find_free_column(columns,
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empty_column,
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col_search_order,
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line_range)
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node = (col_index, color)
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for rev_index in branch_line:
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linegraph[rev_index][1] = node
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columns[col_index][rev_index] = True
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for rev_index in branch_line:
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(sequence_number,
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revid,
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merge_depth,
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revno_sequence,
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end_of_merge) = merge_sorted_revisions[rev_index]
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linegraph[rev_index][4] = graph_children[revid]
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col_index = linegraph[rev_index][1][0]
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for parent_revid in graph_parents[revid]:
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if parent_revid in revid_index:
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parent_index = revid_index[parent_revid]
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parent_node = linegraph[parent_index][1]
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if parent_node:
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parent_col_index = parent_node[0]
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else:
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parent_col_index = None
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parent_col_index = None
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col_search_order = \
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_line_col_search_order(columns,
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parent_col_index,
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col_index)
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# If this line is really long, break it.
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if len(branch_id) > 0 and \
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broken_line_length and \
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parent_index - rev_index > broken_line_length:
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child_line_col_index = \
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_find_free_column(columns,
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empty_column,
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col_search_order,
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(rev_index + 1,))
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_mark_column_as_used(columns,
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child_line_col_index,
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(rev_index + 1,))
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# Recall _line_col_search_order to reset it back to
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# the beging.
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col_search_order = \
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_line_col_search_order(columns,
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parent_col_index,
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col_index)
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# If this line is really long, break it.
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if len(branch_id) > 0 and \
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broken_line_length and \
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parent_index - rev_index > broken_line_length:
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child_line_col_index = \
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_find_free_column(columns,
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empty_column,
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col_search_order,
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(rev_index + 1,))
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_mark_column_as_used(columns,
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child_line_col_index,
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(rev_index + 1,))
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# Recall _line_col_search_order to reset it back to
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# the beging.
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col_search_order = \
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_line_col_search_order(columns,
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parent_col_index,
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col_index)
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parent_col_line_index = \
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_find_free_column(columns,
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empty_column,
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col_search_order,
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(parent_index - 1,))
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_mark_column_as_used(columns,
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parent_col_line_index,
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(parent_index - 1,))
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lines.append((rev_index,
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parent_index,
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(child_line_col_index,
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parent_col_line_index)))
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else :
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line_col_index = col_index
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if parent_index - rev_index >1:
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line_range = range(rev_index + 1, parent_index)
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line_col_index = \
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_find_free_column(columns,
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empty_column,
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col_search_order,
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line_range)
305
_mark_column_as_used(columns,
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line_col_index,
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line_range)
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lines.append((rev_index,
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parent_index,
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(line_col_index,)))
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finally:
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progress_bar.finished()
241
parent_col_line_index = \
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_find_free_column(columns,
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empty_column,
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col_search_order,
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(parent_index - 1,))
246
_mark_column_as_used(columns,
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parent_col_line_index,
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(parent_index - 1,))
249
lines.append((rev_index,
250
parent_index,
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(child_line_col_index,
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parent_col_line_index)))
253
else :
254
line_col_index = col_index
255
if parent_index - rev_index >1:
256
line_range = range(rev_index + 1, parent_index)
257
line_col_index = \
258
_find_free_column(columns,
259
empty_column,
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col_search_order,
261
line_range)
262
_mark_column_as_used(columns,
263
line_col_index,
264
line_range)
265
lines.append((rev_index,
266
parent_index,
267
(line_col_index,)))
313
268
314
update_root_progress(5)
315
progress_bar = ui.ui_factory.nested_progress_bar()
316
try:
317
progress_bar.update(msg="Pretifying graph", total=len(lines))
318
for i, (child_index, parent_index, line_col_indexes) in enumerate(lines):
319
if i % 25 == 0:
320
progress_bar.update(current=i)
321
(child_col_index, child_color) = linegraph[child_index][1]
322
(parent_col_index, parent_color) = linegraph[parent_index][1]
323
324
if len(line_col_indexes) == 1:
325
if parent_index - child_index == 1:
326
linegraph[child_index][2].append(
327
(child_col_index,
328
parent_col_index,
329
parent_color))
330
else:
331
# line from the child's column to the lines column
332
linegraph[child_index][2].append(
333
(child_col_index,
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line_col_indexes[0],
335
parent_color))
336
# lines down the line's column
337
for line_part_index in range(child_index+1, parent_index-1):
338
linegraph[line_part_index][2].append(
339
(line_col_indexes[0],
340
line_col_indexes[0],
341
parent_color))
342
# line from the line's column to the parent's column
343
linegraph[parent_index-1][2].append(
344
(line_col_indexes[0],
345
parent_col_index,
346
parent_color))
269
for (child_index, parent_index, line_col_indexes) in lines:
270
(child_col_index, child_color) = linegraph[child_index][1]
271
(parent_col_index, parent_color) = linegraph[parent_index][1]
272
273
if len(line_col_indexes) == 1:
274
if parent_index - child_index == 1:
275
linegraph[child_index][2].append(
276
(child_col_index,
277
parent_col_index,
278
parent_color))
347
279
else:
348
# Broken line
349
280
# line from the child's column to the lines column
350
281
linegraph[child_index][2].append(
351
282
(child_col_index,
352
283
line_col_indexes[0],
353
284
parent_color))
354
# Broken line end
355
linegraph[child_index+1][2].append(
356
(line_col_indexes[0],
357
None,
358
parent_color))
359
360
# Broken line end
361
linegraph[parent_index-2][2].append(
362
(None,
363
line_col_indexes[1],
364
parent_color))
285
# lines down the line's column
286
for line_part_index in range(child_index+1, parent_index-1):
287
linegraph[line_part_index][2].append(
288
(line_col_indexes[0],
289
line_col_indexes[0],
290
parent_color))
365
291
# line from the line's column to the parent's column
366
292
linegraph[parent_index-1][2].append(
367
(line_col_indexes[1],
293
(line_col_indexes[0],
368
294
parent_col_index,
369
295
parent_color))
370
finally:
371
progress_bar.finished()
296
else:
297
# Broken line
298
# line from the child's column to the lines column
299
linegraph[child_index][2].append(
300
(child_col_index,
301
line_col_indexes[0],
302
parent_color))
303
# Broken line end
304
linegraph[child_index+1][2].append(
305
(line_col_indexes[0],
306
None,
307
parent_color))
308
309
# Broken line end
310
linegraph[parent_index-2][2].append(
311
(None,
312
line_col_indexes[1],
313
parent_color))
314
# line from the line's column to the parent's column
315
linegraph[parent_index-1][2].append(
316
(line_col_indexes[1],
317
parent_col_index,
318
parent_color))
372
319
return (linegraph, revid_index, len(columns))
373
320
else:
374
321
return (linegraph, revid_index, 0)
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