Mercurial > hg
annotate mercurial/graphmod.py @ 9469:7f0f882af23d
config: abort on indented non-continuation lines (issue1829)
Previously, as soon as a continuation would be met, "cont" would stay
forever set to True, but "item" was set back to "None".
This caused the continuation code bits to run every time, until the next
"self.get(section, item) + '\n'" which would crash.
author | Nicolas Dumazet <nicdumz.commits@gmail.com> |
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date | Sat, 12 Sep 2009 11:17:07 +0200 |
parents | acd03a6e2426 |
children | d00cee04a746 |
rev | line source |
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6691 | 1 # Revision graph generator for Mercurial |
2 # | |
3 # Copyright 2008 Dirkjan Ochtman <dirkjan@ochtman.nl> | |
4 # Copyright 2007 Joel Rosdahl <joel@rosdahl.net> | |
5 # | |
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6 # This software may be used and distributed according to the terms of the |
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7 # GNU General Public License version 2, incorporated herein by reference. |
6691 | 8 |
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9 """supports walking the history as DAGs suitable for graphical output |
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10 |
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11 The most basic format we use is that of:: |
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12 |
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13 (id, type, data, [parentids]) |
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14 |
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15 The node and parent ids are arbitrary integers which identify a node in the |
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16 context of the graph returned. Type is a constant specifying the node type. |
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17 Data depends on type. |
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18 """ |
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19 |
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20 from mercurial.node import nullrev |
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21 |
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22 CHANGESET = 'C' |
6691 | 23 |
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24 def revisions(repo, start, stop): |
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25 """cset DAG generator yielding (id, CHANGESET, ctx, [parentids]) tuples |
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26 |
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27 This generator function walks through the revision history from revision |
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28 start to revision stop (which must be less than or equal to start). It |
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29 returns a tuple for each node. The node and parent ids are arbitrary |
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30 integers which identify a node in the context of the graph returned. |
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31 """ |
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32 cur = start |
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33 while cur >= stop: |
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34 ctx = repo[cur] |
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35 parents = [p.rev() for p in ctx.parents() if p.rev() != nullrev] |
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36 yield (cur, CHANGESET, ctx, sorted(parents)) |
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37 cur -= 1 |
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38 |
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39 def filerevs(repo, path, start, stop): |
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40 """file cset DAG generator yielding (id, CHANGESET, ctx, [parentids]) tuples |
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41 |
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42 This generator function walks through the revision history of a single |
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43 file from revision start down to revision stop. |
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44 """ |
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45 filerev = len(repo.file(path)) - 1 |
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46 while filerev >= 0: |
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47 fctx = repo.filectx(path, fileid=filerev) |
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48 parents = [f.linkrev() for f in fctx.parents() if f.path() == path] |
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49 rev = fctx.rev() |
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50 if rev <= start: |
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51 yield (rev, CHANGESET, fctx, sorted(parents)) |
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52 if rev <= stop: |
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53 break |
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54 filerev -= 1 |
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55 |
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56 def nodes(repo, nodes): |
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57 """cset DAG generator yielding (id, CHANGESET, ctx, [parentids]) tuples |
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58 |
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59 This generator function walks the given nodes. It only returns parents |
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60 that are in nodes, too. |
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61 """ |
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62 include = set(nodes) |
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63 for node in nodes: |
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64 ctx = repo[node] |
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65 parents = [p.rev() for p in ctx.parents() if p.node() in include] |
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66 yield (ctx.rev(), CHANGESET, ctx, sorted(parents)) |
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67 |
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68 def colored(dag): |
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69 """annotates a DAG with colored edge information |
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70 |
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71 For each DAG node this function emits tuples:: |
6691 | 72 |
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73 (id, type, data, (col, color), [(col, nextcol, color)]) |
6691 | 74 |
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75 with the following new elements: |
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76 |
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77 - Tuple (col, color) with column and color index for the current node |
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78 - A list of tuples indicating the edges between the current node and its |
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79 parents. |
6691 | 80 """ |
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81 seen = [] |
6691 | 82 colors = {} |
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83 newcolor = 1 |
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84 for (cur, type, data, parents) in dag: |
6691 | 85 |
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86 # Compute seen and next |
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87 if cur not in seen: |
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88 seen.append(cur) # new head |
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89 colors[cur] = newcolor |
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90 newcolor += 1 |
6691 | 91 |
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92 col = seen.index(cur) |
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93 color = colors.pop(cur) |
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94 next = seen[:] |
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96 # Add parents to next |
6691 | 97 addparents = [p for p in parents if p not in next] |
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98 next[col:col + 1] = addparents |
6691 | 99 |
100 # Set colors for the parents | |
101 for i, p in enumerate(addparents): | |
102 if not i: | |
103 colors[p] = color | |
104 else: | |
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105 colors[p] = newcolor |
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106 newcolor += 1 |
6691 | 107 |
108 # Add edges to the graph | |
109 edges = [] | |
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110 for ecol, eid in enumerate(seen): |
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111 if eid in next: |
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112 edges.append((ecol, next.index(eid), colors[eid])) |
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113 elif eid == cur: |
6691 | 114 for p in parents: |
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115 edges.append((ecol, next.index(p), colors[p])) |
6691 | 116 |
117 # Yield and move on | |
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118 yield (cur, type, data, (col, color), edges) |
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119 seen = next |