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- Committer: Gary van der Merwe
- Date: 2007-08-31 11:24:56 UTC
- mto: (256.2.37 gtk)
- mto: This revision was merged to the branch mainline in revision 289.
- Revision ID: garyvdm@gmail.com-20070831112456-x0if1u8gsbm04tbf
Show Children
- files added:
- tests/test_viz.py
- files removed:
- branchbox.py
- branchview
- preferences
- files renamed:
- icons/bzr-icon-64.png => bzr-icon-64.png
- revisionview.py => logview.py
- preferences/__init__.py => preferences.py
- branchview/graphcell.py => viz/graphcell.py
- branchview/linegraph.py => viz/linegraph.py
- files modified:
- .bzrignore
added
removed
viz/linegraph.py
1
# -*- coding: UTF-8 -*-
2
"""Directed graph production.
3
4
This module contains the code to produce an ordered directed graph of a
5
bzr branch, such as we display in the tree view at the top of the bzrk
6
window.
7
"""
8
9
__copyright__ = "Copyright © 2005 Canonical Ltd."
10
__author__ = "Scott James Remnant <scott@ubuntu.com>"
11
12
from bzrlib.revision import NULL_REVISION
13
from bzrlib.tsort import merge_sort
14
from bzrlib import ui
15
16
def linegraph(graph, start_revs, maxnum=None, broken_line_length=None,
17
graph_data=True, mainline_only=False, root_progress=None):
18
"""Produce a directed graph of a bzr repository.
19
20
Returns a tuple of (line_graph, revid_index, columns_len) where
21
* line_graph is a list of tuples of (revid,
22
node,
23
lines,
24
parents,
25
children,
26
revno_sequence),
27
* revid_index is a dict of each revision with the key being the revid, and
28
the value the row index, and
29
* columns_len is the number of columns need to draw the line graph.
30
31
32
Node is a tuple of (column, colour) with column being a zero-indexed
33
column number of the graph that this revision represents and colour
34
being a zero-indexed colour (which doesn't specify any actual colour
35
in particular) to draw the node in.
36
37
Lines is a list of tuples which represent lines you should draw away
38
from the revision, if you also need to draw lines into the revision
39
you should use the lines list from the previous iteration. Each
40
typle in the list is in the form (start, end, colour) with start and
41
end being zero-indexed column numbers and colour as in node.
42
43
It's up to you how to actually draw the nodes and lines (straight,
44
curved, kinked, etc.) and to pick the actual colours for each index.
45
"""
46
assert isinstance(start_revs, list)
47
def update_root_progress(step_number):
48
"""IFF our container received a root progress bar, then update it."""
49
if root_progress is not None:
50
root_progress.update(current=step_number)
51
52
graph_parents = {}
53
ghosts = set()
54
graph_children = {}
55
update_root_progress(1)
56
progress_bar = ui.ui_factory.nested_progress_bar()
57
try:
58
progress_bar.update(msg="Arranging tree fragments")
59
for i, (revid, parent_revids) in enumerate(graph.iter_ancestry(start_revs)):
60
if i % 25 == 0:
61
progress_bar.tick()
62
if parent_revids is None:
63
ghosts.add(revid)
64
continue
65
if parent_revids == (NULL_REVISION,):
66
graph_parents[revid] = ()
67
else:
68
graph_parents[revid] = parent_revids
69
for parent in parent_revids:
70
graph_children.setdefault(parent, []).append(revid)
71
graph_children.setdefault(revid, [])
72
finally:
73
progress_bar.finished()
74
75
update_root_progress(2)
76
progress_bar = ui.ui_factory.nested_progress_bar()
77
try:
78
progress_bar.update(msg="Removing ghosts", total=len(ghosts))
79
for i, ghost in enumerate(ghosts):
80
if i % 25 == 0:
81
progress_bar.update(current=i)
82
for ghost_child in graph_children[ghost]:
83
graph_parents[ghost_child] = [p for p in graph_parents[ghost_child]
84
if p not in ghosts]
85
finally:
86
progress_bar.finished()
87
graph_parents["top:"] = start_revs
88
89
if len(graph_parents)>0:
90
merge_sorted_revisions = merge_sort(
91
graph_parents,
92
"top:",
93
generate_revno=True)
94
else:
95
merge_sorted_revisions = ()
96
97
if mainline_only:
98
merge_sorted_revisions = [elem for elem in merge_sorted_revisions \
99
if len(elem[3])==1 ]
100
101
assert merge_sorted_revisions[0][1] == "top:"
102
merge_sorted_revisions = merge_sorted_revisions[1:]
103
104
revid_index = {}
105
revno_index = {}
106
107
# This will hold an item for each "branch". For a revisions, the revsion
108
# number less the least significant digit is the branch_id, and used as the
109
# key for the dict. Hence revision with the same revsion number less the
110
# least significant digit are considered to be in the same branch line.
111
# e.g.: for revisions 290.12.1 and 290.12.2, the branch_id would be 290.12,
112
# and these two revisions will be in the same branch line. Each value is
113
# a list of rev_indexes in the branch.
114
branch_lines = {}
115
116
linegraph = []
117
118
update_root_progress(3)
119
progress_bar = ui.ui_factory.nested_progress_bar()
120
try:
121
progress_bar.update(msg="Finding nodes", total=len(merge_sorted_revisions))
122
for (rev_index, (sequence_number,
123
revid,
124
merge_depth,
125
revno_sequence,
126
end_of_merge)) in enumerate(merge_sorted_revisions):
127
128
if rev_index % 25 == 0:
129
progress_bar.update(current=rev_index)
130
if maxnum and rev_index >= maxnum:
131
break
132
revid_index[revid] = rev_index
133
134
parents = graph_parents[revid]
135
linegraph.append([revid,
136
None,
137
[],
138
parents,
139
None,
140
revno_sequence])
141
142
if graph_data:
143
revno_index[revno_sequence] = rev_index
144
145
branch_id = revno_sequence[0:-1]
146
147
branch_line = None
148
if branch_id not in branch_lines:
149
branch_line = []
150
branch_lines[branch_id] = branch_line
151
else:
152
branch_line = branch_lines[branch_id]
153
154
branch_line.append(rev_index)
155
finally:
156
progress_bar.finished()
157
158
if graph_data:
159
branch_ids = branch_lines.keys()
160
161
def branch_id_cmp(x, y):
162
"""Compaire branch_id's first by the number of digits, then reversed
163
by their value"""
164
len_x = len(x)
165
len_y = len(y)
166
if len_x == len_y:
167
return -cmp(x, y)
168
return cmp(len_x, len_y)
169
170
branch_ids.sort(branch_id_cmp)
171
# This will hold a tuple of (child_index, parent_index, col_index) for each
172
# line that needs to be drawn. If col_index is not none, then the line is
173
# drawn along that column, else the the line can be drawn directly between
174
# the child and parent because either the child and parent are in the same
175
# branch line, or the child and parent are 1 row apart.
176
lines = []
177
empty_column = [False for i in range(len(graph_parents))]
178
# This will hold a bit map for each cell. If the cell is true, then the
179
# cell allready contains a node or line. This use when deciding what column
180
# to place a branch line or line in, without it overlaping something else.
181
columns = [list(empty_column)]
182
183
184
update_root_progress(4)
185
progress_bar = ui.ui_factory.nested_progress_bar()
186
try:
187
progress_bar.update(msg="Organizing edges", total=len(branch_ids))
188
for i, branch_id in enumerate(branch_ids):
189
if i % 25 == 0:
190
progress_bar.update(current=i)
191
branch_line = branch_lines[branch_id]
192
193
# Find the col_index for the direct parent branch. This will be the
194
# starting point when looking for a free column.
195
parent_col_index = 0
196
parent_index = None
197
if len(branch_id) > 1:
198
parent_revno = branch_id[0:-1]
199
if parent_revno in revno_index:
200
parent_index = revno_index[parent_revno]
201
parent_node = linegraph[parent_index][1]
202
if parent_node:
203
parent_col_index = parent_node[0]
204
205
206
col_search_order = _branch_line_col_search_order(columns,
207
parent_col_index)
208
color = reduce(lambda x, y: x+y, branch_id, 0)
209
cur_cont_line = []
210
211
line_range = []
212
last_rev_index = None
213
for rev_index in branch_line:
214
if last_rev_index:
215
if broken_line_length and \
216
rev_index - last_rev_index > broken_line_length:
217
line_range.append(last_rev_index+1)
218
line_range.append(rev_index-1)
219
else:
220
line_range.extend(range(last_rev_index+1, rev_index))
221
222
line_range.append(rev_index)
223
last_rev_index = rev_index
224
225
if parent_index:
226
if broken_line_length and \
227
parent_index - last_rev_index > broken_line_length:
228
line_range.append(last_rev_index+1)
229
else:
230
line_range.extend(range(last_rev_index+1, parent_index))
231
232
col_index = _find_free_column(columns,
233
empty_column,
234
col_search_order,
235
line_range)
236
node = (col_index, color)
237
for rev_index in branch_line:
238
linegraph[rev_index][1] = node
239
columns[col_index][rev_index] = True
240
241
for rev_index in branch_line:
242
(sequence_number,
243
revid,
244
merge_depth,
245
revno_sequence,
246
end_of_merge) = merge_sorted_revisions[rev_index]
247
248
linegraph[rev_index][4] = graph_children[revid]
249
col_index = linegraph[rev_index][1][0]
250
251
for parent_revid in graph_parents[revid]:
252
if parent_revid in revid_index:
253
254
parent_index = revid_index[parent_revid]
255
parent_node = linegraph[parent_index][1]
256
if parent_node:
257
parent_col_index = parent_node[0]
258
else:
259
parent_col_index = None
260
col_search_order = \
261
_line_col_search_order(columns,
262
parent_col_index,
263
col_index)
264
265
# If this line is really long, break it.
266
if len(branch_id) > 0 and \
267
broken_line_length and \
268
parent_index - rev_index > broken_line_length:
269
child_line_col_index = \
270
_find_free_column(columns,
271
empty_column,
272
col_search_order,
273
(rev_index + 1,))
274
_mark_column_as_used(columns,
275
child_line_col_index,
276
(rev_index + 1,))
277
278
# Recall _line_col_search_order to reset it back to
279
# the beging.
280
col_search_order = \
281
_line_col_search_order(columns,
282
parent_col_index,
283
col_index)
284
parent_col_line_index = \
285
_find_free_column(columns,
286
empty_column,
287
col_search_order,
288
(parent_index - 1,))
289
_mark_column_as_used(columns,
290
parent_col_line_index,
291
(parent_index - 1,))
292
lines.append((rev_index,
293
parent_index,
294
(child_line_col_index,
295
parent_col_line_index)))
296
else :
297
line_col_index = col_index
298
if parent_index - rev_index >1:
299
line_range = range(rev_index + 1, parent_index)
300
line_col_index = \
301
_find_free_column(columns,
302
empty_column,
303
col_search_order,
304
line_range)
305
_mark_column_as_used(columns,
306
line_col_index,
307
line_range)
308
lines.append((rev_index,
309
parent_index,
310
(line_col_index,)))
311
finally:
312
progress_bar.finished()
313
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,
334
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))
347
else:
348
# Broken line
349
# line from the child's column to the lines column
350
linegraph[child_index][2].append(
351
(child_col_index,
352
line_col_indexes[0],
353
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))
365
# line from the line's column to the parent's column
366
linegraph[parent_index-1][2].append(
367
(line_col_indexes[1],
368
parent_col_index,
369
parent_color))
370
finally:
371
progress_bar.finished()
372
return (linegraph, revid_index, len(columns))
373
else:
374
return (linegraph, revid_index, 0)
375
376
377
def _branch_line_col_search_order(columns, parent_col_index):
378
for col_index in range(parent_col_index, len(columns)):
379
yield col_index
380
for col_index in range(parent_col_index-1, -1, -1):
381
yield col_index
382
383
def _line_col_search_order(columns, parent_col_index, child_col_index):
384
if parent_col_index is not None:
385
max_index = max(parent_col_index, child_col_index)
386
min_index = min(parent_col_index, child_col_index)
387
for col_index in range(max_index, min_index -1, -1):
388
yield col_index
389
else:
390
max_index = child_col_index
391
min_index = child_col_index
392
yield child_col_index
393
i = 1
394
while max_index + i < len(columns) or \
395
min_index - i > -1:
396
if max_index + i < len(columns):
397
yield max_index + i
398
if min_index - i > -1:
399
yield min_index - i
400
i += 1
401
402
def _find_free_column(columns, empty_column, col_search_order, line_range):
403
for col_index in col_search_order:
404
column = columns[col_index]
405
has_overlaping_line = False
406
for row_index in line_range:
407
if column[row_index]:
408
has_overlaping_line = True
409
break
410
if not has_overlaping_line:
411
break
412
else:
413
col_index = len(columns)
414
column = list(empty_column)
415
columns.append(column)
416
return col_index
417
418
def _mark_column_as_used(columns, col_index, line_range):
419
column = columns[col_index]
420
for row_index in line_range:
421
column[row_index] = True
422
423
def same_branch(a, b):
424
"""Return whether we think revisions a and b are on the same branch."""
425
if len(a.parent_ids) == 1:
426
# Defacto same branch if only parent
427
return True
428
elif a.committer == b.committer:
429
# Same committer so may as well be
430
return True
431
else:
432
return False
1
# -*- coding: UTF-8 -*-
2
"""Directed graph production.
3
4
This module contains the code to produce an ordered directed graph of a
5
bzr branch, such as we display in the tree view at the top of the bzrk
6
window.
7
"""
8
9
__copyright__ = "Copyright © 2005 Canonical Ltd."
10
__author__ = "Scott James Remnant <scott@ubuntu.com>"
11
12
13
def linegraph(branch, start, maxnum):
14
"""Produce a directed graph of a bzr branch.
15
16
Returns a list of tuples of (revision, node, lines, parents, children).
17
18
Node is a tuple of (column, colour) with column being a zero-indexed
19
column number of the graph that this revision represents and colour
20
being a zero-indexed colour (which doesn't specify any actual colour
21
in particular) to draw the node in.
22
23
Lines is a list of tuples which represent lines you should draw away
24
from the revision, if you also need to draw lines into the revision
25
you should use the lines list from the previous iteration. Each
26
typle in the list is in the form (start, end, colour) with start and
27
end being zero-indexed column numbers and colour as in node.
28
29
It's up to you how to actually draw the nodes and lines (straight,
30
curved, kinked, etc.) and to pick the actual colours for each index.
31
"""
32
33
def getdirectparent(childrevid, childindex, childsparents):
34
"""Return the revision id of the direct parent
35
36
The direct parent is the first parent with the same committer"""
37
childrevision = revisions[childindex]
38
directparent = directparentcache[childindex]
39
if directparent is None:
40
for parentrevid in childsparents:
41
if parentrevid in revindex:
42
parentindex = revindex[parentrevid]
43
parentrevision = revisions[parentindex]
44
if childrevision.committer == parentrevision.committer:
45
# This may be a direct parent, but first check that
46
# for this parent, there are no other children, who are
47
# before us in the children list, for which this parent
48
# is also the direct parent.
49
# pc in all the below var name stands for parents child
50
first = True
51
for pcrevid in revisionchildren[parentindex]:
52
if pcrevid == childrevid:
53
break
54
pcindex = revindex[pcrevid]
55
pcdirectparent = getdirectparent(pcrevid,
56
pcindex,
57
revisionchildren[pcindex])
58
if pcdirectparent==parentrevid:
59
first = False
60
break
61
62
if first:
63
directparent = parentrevid
64
break
65
#no parents have the same commiter
66
if directparent is None:
67
directparent = ""
68
directparentcache[childindex] = directparent
69
return directparent
70
71
def find_column_from_branchlineid(branchlineid):
72
for index, column in enumerate(columns):
73
if column is not None and column["branchlineid"] == branchlineid:
74
return (index, column)
75
return (None, None)
76
77
def has_no_nodes_between (column, startindex, endindex):
78
for nodeindex in column["nodeindexes"]:
79
if nodeindex > startindex and nodeindex < endindex:
80
return False
81
return True
82
83
def append_line (column , startindex, endindex):
84
column["lines"].append((startindex,endindex))
85
if endindex > column["maxindex"] :
86
column["maxindex"] = endindex
87
88
def append_column (column, minindex):
89
columnindex = None
90
for (i, c) in enumerate(columns):
91
if c is None or (c["branchlineid"] == "finished" \
92
and c["maxindex"] <= minindex):
93
columnindex = i
94
columns[columnindex] = column
95
break
96
if columnindex is None:
97
columnindex = len(columns)
98
columns.append(column)
99
return columnindex
100
101
revids = []
102
revindex = {}
103
for (index, revid) in enumerate(reversed( \
104
branch.repository.get_ancestry(start))):
105
if revid is not None:
106
revids.append(revid)
107
revindex[revid] = index
108
if maxnum is not None and index > maxnum:
109
break
110
111
mainline = branch.revision_history()
112
revisions = branch.repository.get_revisions(revids)
113
revisionparents = branch.repository.get_graph().get_parents(revids)
114
directparentcache = [None for revision in revisions]
115
116
# This will hold what we plan to put in each column.
117
# The position of the item in this list indicates the column, and it
118
# it may change if we need to make space for other things.
119
# Each typle in the list is in the form:
120
# (branchlineid, nodeindexes, lines, maxindex)
121
# A item may be None to indicate that there is nothing in the column
122
columns = []
123
124
linegraph = []
125
126
lastbranchlineid = 0
127
branchlineids = []
128
revisionchildren = [[] for revision in revisions]
129
notdrawnlines = []
130
131
for (index, revision) in enumerate(revisions):
132
parents = [parent for parent in revisionparents[index] \
133
if parent!="null:"]
134
for parentrevid in parents:
135
if parentrevid in revindex:
136
revisionchildren[revindex[parentrevid]]\
137
.append(revision.revision_id)
138
139
children = revisionchildren[index]
140
141
#We use childrevid, childindex, childbranchlineid often, so cache it
142
children_ext = []
143
for childrevid in children:
144
childindex = revindex[childrevid]
145
children_ext.append((childrevid,
146
childindex,
147
branchlineids[childindex]))
148
149
linegraph.append([revision, None,
150
[], parents, children])
151
152
branchlineid = None
153
154
if revision.revision_id in mainline:
155
branchlineid = 0
156
else:
157
#Try and see if we are the same branchline as one of our children
158
#If we are, use the same branchlineid
159
for (childrevid, childindex, childbranchlineid) in children_ext:
160
childsparents = revisionparents[childindex]
161
162
if len(children) == 1 and len(childsparents) == 1:
163
# one-one relationship between parent and child
164
branchlineid = childbranchlineid
165
break
166
167
#Is the current revision the direct parent of the child?
168
if childbranchlineid != 0 and revision.revision_id == \
169
getdirectparent(childrevid, childindex, childsparents):
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branchlineid = childbranchlineid
171
break
172
173
if branchlineid is None:
174
branchlineid = lastbranchlineid = lastbranchlineid + 1
175
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branchlineids.append(branchlineid)
177
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(columnindex, column) = find_column_from_branchlineid(branchlineid)
179
180
if columnindex is None:
181
for (childrevid, childindex, childbranchlineid) in children_ext:
182
(i, c) = find_column_from_branchlineid(childbranchlineid)
183
if c is not None and c["maxindex"] <= index:
184
(columnindex, column) = (i, c)
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break
186
187
188
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if columnindex is None:
190
minindex = index
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for childrevid in children:
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childindex = revindex[childrevid]
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if childindex<minindex:
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minindex = childindex
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column = {"branchlineid": branchlineid,
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"nodeindexes": [index],
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"lines": [],
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"maxindex": index}
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columnindex = append_column(column, minindex)
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else:
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column["branchlineid"] = branchlineid
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column["nodeindexes"].append(index)
204
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opentillparent = getdirectparent(revision.revision_id, index, parents)
206
if opentillparent == "":
207
if len(parents)>0:
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opentillparent = parents[0]
209
else:
210
opentillparent = None
211
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if opentillparent is not None and opentillparent in revindex:
213
parentindex = revindex[opentillparent]
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if parentindex > column["maxindex"]:
215
column["maxindex"] = parentindex
216
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for (childrevid, childindex, childbranchlineid) in children_ext:
218
(childcolumnindex, childcolumn) = \
219
find_column_from_branchlineid(childbranchlineid)
220
221
if index-childindex == 1 or childcolumnindex is None:
222
append_line(column,childindex,index)
223
elif childcolumnindex >= columnindex and \
224
has_no_nodes_between(childcolumn, childindex, index):
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append_line(childcolumn,childindex,index)
226
elif childcolumnindex > columnindex and \
227
has_no_nodes_between(column, childindex, index):
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append_line(column,childindex,index)
229
elif childcolumnindex < columnindex and \
230
has_no_nodes_between(column, childindex, index):
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append_line(column,childindex,index)
232
elif childcolumnindex < columnindex and \
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has_no_nodes_between(childcolumn, childindex, index):
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append_line(childcolumn,childindex,index)
235
else:
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append_column({"branchlineid": "line",
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"nodeindexes": [],
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"lines": [(childindex,index)],
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"maxindex": index}, childindex)
240
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for (columnindex, column) in enumerate(columns):
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if column is not None and column["maxindex"] <= index \
243
and column["branchlineid"] != "finished":
244
for nodeindex in column["nodeindexes"]:
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linegraph[nodeindex][1] = (columnindex,
246
branchlineids[nodeindex])
247
248
for (childindex, parentindex) in column["lines"]:
249
notdrawnlines.append((columnindex, childindex, parentindex))
250
251
column["branchlineid"] = "finished"
252
column["nodeindexes"] = []
253
column["lines"] = []
254
255
for (lineindex,(columnindex, childindex, parentindex))\
256
in enumerate(notdrawnlines):
257
258
childnode = linegraph[childindex][1]
259
parentnode = linegraph[parentindex][1]
260
if childnode is not None and parentnode is not None:
261
notdrawnlines[lineindex] = None
262
if parentindex>childindex+1:
263
#out from the child to line
264
linegraph[childindex][2].append(
265
(childnode[0], #the column of the child
266
columnindex, #the column of the line
267
parentnode[1]))
268
269
#down the line
270
for linepartindex in range(childindex+1, parentindex-1):
271
linegraph[linepartindex][2].append(
272
(columnindex, #the column of the line
273
columnindex, #the column of the line
274
parentnode[1]))
275
276
#in to the parent
277
linegraph[parentindex-1][2].append(
278
(columnindex, #the column of the line
279
parentnode[0], #the column of the parent
280
parentnode[1]))
281
else:
282
#child to parent
283
linegraph[childindex][2].append(
284
(childnode[0], #the column of the child
285
parentnode[0], #the column of the parent
286
parentnode[1]))
287
288
notdrawnlines = [line for line in notdrawnlines if line is not None]
289
290
291
return (linegraph, revindex, revisions)
292
293
294
def same_branch(a, b):
295
"""Return whether we think revisions a and b are on the same branch."""
296
if len(a.parent_ids) == 1:
297
# Defacto same branch if only parent
298
return True
299
elif a.committer == b.committer:
300
# Same committer so may as well be
301
return True
302
else:
303
return False
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0