Mercurial > hg
annotate mercurial/graphmod.py @ 21707:e22cfd1ae97c stable
keyword: suppress keyword expansion while 'hg histedit' for internal merge
Before this patch, 'hg histedit' may cause unexpected conflict, if 'hg
histedit'-ed changes are located near lines in which keywords are
embedded, because keywords are substituted with other strings in the
working directory.
This patch suppresses keyword expansion while 'hg histedit' for
internal merge by adding 'histedit' to 'restricted' command list like
'merge'.
Test in this patch just swaps order of revision #13 and #14: this is
enough to cause internal merge.
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
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date | Thu, 05 Jun 2014 16:47:14 +0900 |
parents | e87bd3485a07 |
children | 890e874cacb6 |
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 |
10263 | 7 # GNU General Public License version 2 or any later version. |
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 import util |
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22 |
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23 CHANGESET = 'C' |
6691 | 24 |
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25 def dagwalker(repo, revs): |
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26 """cset DAG generator yielding (id, CHANGESET, ctx, [parentids]) tuples |
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27 |
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28 This generator function walks through revisions (which should be ordered |
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29 from bigger to lower). It returns a tuple for each node. The node and parent |
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30 ids are arbitrary integers which identify a node in the context of the graph |
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31 returned. |
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32 """ |
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33 if not revs: |
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34 return |
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35 |
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36 cl = repo.changelog |
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37 lowestrev = revs.min() |
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38 gpcache = {} |
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39 |
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40 knownrevs = revs.set() |
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41 for rev in revs: |
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42 ctx = repo[rev] |
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43 parents = sorted(set([p.rev() for p in ctx.parents() |
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44 if p.rev() in knownrevs])) |
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45 mpars = [p.rev() for p in ctx.parents() if |
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46 p.rev() != nullrev and p.rev() not in parents] |
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47 |
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48 for mpar in mpars: |
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49 gp = gpcache.get(mpar) |
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50 if gp is None: |
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51 gp = gpcache[mpar] = grandparent(cl, lowestrev, revs, mpar) |
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52 if not gp: |
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53 parents.append(mpar) |
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54 else: |
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55 parents.extend(g for g in gp if g not in parents) |
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56 |
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57 yield (ctx.rev(), CHANGESET, ctx, parents) |
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58 |
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59 def nodes(repo, nodes): |
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60 """cset DAG generator yielding (id, CHANGESET, ctx, [parentids]) tuples |
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61 |
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62 This generator function walks the given nodes. It only returns parents |
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63 that are in nodes, too. |
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64 """ |
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65 include = set(nodes) |
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66 for node in nodes: |
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67 ctx = repo[node] |
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68 parents = set([p.rev() for p in ctx.parents() if p.node() in include]) |
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69 yield (ctx.rev(), CHANGESET, ctx, sorted(parents)) |
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70 |
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71 def colored(dag, repo): |
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72 """annotates a DAG with colored edge information |
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73 |
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74 For each DAG node this function emits tuples:: |
6691 | 75 |
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76 (id, type, data, (col, color), [(col, nextcol, color)]) |
6691 | 77 |
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78 with the following new elements: |
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79 |
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80 - Tuple (col, color) with column and color index for the current node |
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81 - A list of tuples indicating the edges between the current node and its |
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82 parents. |
6691 | 83 """ |
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84 seen = [] |
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86 newcolor = 1 |
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87 config = {} |
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88 |
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89 for key, val in repo.ui.configitems('graph'): |
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90 if '.' in key: |
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91 branch, setting = key.rsplit('.', 1) |
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92 # Validation |
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93 if setting == "width" and val.isdigit(): |
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94 config.setdefault(branch, {})[setting] = int(val) |
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95 elif setting == "color" and val.isalnum(): |
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96 config.setdefault(branch, {})[setting] = val |
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97 |
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98 if config: |
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99 getconf = util.lrucachefunc( |
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100 lambda rev: config.get(repo[rev].branch(), {})) |
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101 else: |
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102 getconf = lambda rev: {} |
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103 |
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104 for (cur, type, data, parents) in dag: |
6691 | 105 |
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106 # Compute seen and next |
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107 if cur not in seen: |
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108 seen.append(cur) # new head |
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109 colors[cur] = newcolor |
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110 newcolor += 1 |
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112 col = seen.index(cur) |
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113 color = colors.pop(cur) |
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114 next = seen[:] |
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116 # Add parents to next |
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118 next[col:col + 1] = addparents |
6691 | 119 |
120 # Set colors for the parents | |
121 for i, p in enumerate(addparents): | |
122 if not i: | |
123 colors[p] = color | |
124 else: | |
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125 colors[p] = newcolor |
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126 newcolor += 1 |
6691 | 127 |
128 # Add edges to the graph | |
129 edges = [] | |
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130 for ecol, eid in enumerate(seen): |
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131 if eid in next: |
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132 bconf = getconf(eid) |
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133 edges.append(( |
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134 ecol, next.index(eid), colors[eid], |
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135 bconf.get('width', -1), |
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136 bconf.get('color', ''))) |
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137 elif eid == cur: |
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139 bconf = getconf(p) |
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140 edges.append(( |
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141 ecol, next.index(p), color, |
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142 bconf.get('width', -1), |
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143 bconf.get('color', ''))) |
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145 # Yield and move on | |
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146 yield (cur, type, data, (col, color), edges) |
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147 seen = next |
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148 |
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149 def grandparent(cl, lowestrev, roots, head): |
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150 """Return all ancestors of head in roots which revision is |
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151 greater or equal to lowestrev. |
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152 """ |
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153 pending = set([head]) |
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154 seen = set() |
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155 kept = set() |
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156 llowestrev = max(nullrev, lowestrev) |
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157 while pending: |
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158 r = pending.pop() |
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159 if r >= llowestrev and r not in seen: |
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160 if r in roots: |
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161 kept.add(r) |
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162 else: |
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163 pending.update([p for p in cl.parentrevs(r)]) |
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164 seen.add(r) |
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165 return sorted(kept) |
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166 |
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167 def asciiedges(type, char, lines, seen, rev, parents): |
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168 """adds edge info to changelog DAG walk suitable for ascii()""" |
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169 if rev not in seen: |
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170 seen.append(rev) |
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171 nodeidx = seen.index(rev) |
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172 |
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173 knownparents = [] |
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174 newparents = [] |
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175 for parent in parents: |
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176 if parent in seen: |
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177 knownparents.append(parent) |
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178 else: |
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179 newparents.append(parent) |
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180 |
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181 ncols = len(seen) |
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182 nextseen = seen[:] |
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183 nextseen[nodeidx:nodeidx + 1] = newparents |
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184 edges = [(nodeidx, nextseen.index(p)) for p in knownparents if p != nullrev] |
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185 |
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186 while len(newparents) > 2: |
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187 # ascii() only knows how to add or remove a single column between two |
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188 # calls. Nodes with more than two parents break this constraint so we |
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189 # introduce intermediate expansion lines to grow the active node list |
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190 # slowly. |
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191 edges.append((nodeidx, nodeidx)) |
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192 edges.append((nodeidx, nodeidx + 1)) |
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193 nmorecols = 1 |
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194 yield (type, char, lines, (nodeidx, edges, ncols, nmorecols)) |
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195 char = '\\' |
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196 lines = [] |
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197 nodeidx += 1 |
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198 ncols += 1 |
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199 edges = [] |
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200 del newparents[0] |
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201 |
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202 if len(newparents) > 0: |
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203 edges.append((nodeidx, nodeidx)) |
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204 if len(newparents) > 1: |
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205 edges.append((nodeidx, nodeidx + 1)) |
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206 nmorecols = len(nextseen) - ncols |
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207 seen[:] = nextseen |
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208 yield (type, char, lines, (nodeidx, edges, ncols, nmorecols)) |
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209 |
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210 def _fixlongrightedges(edges): |
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211 for (i, (start, end)) in enumerate(edges): |
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212 if end > start: |
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213 edges[i] = (start, end + 1) |
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214 |
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215 def _getnodelineedgestail( |
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216 node_index, p_node_index, n_columns, n_columns_diff, p_diff, fix_tail): |
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217 if fix_tail and n_columns_diff == p_diff and n_columns_diff != 0: |
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218 # Still going in the same non-vertical direction. |
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219 if n_columns_diff == -1: |
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220 start = max(node_index + 1, p_node_index) |
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221 tail = ["|", " "] * (start - node_index - 1) |
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222 tail.extend(["/", " "] * (n_columns - start)) |
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223 return tail |
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224 else: |
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225 return ["\\", " "] * (n_columns - node_index - 1) |
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226 else: |
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227 return ["|", " "] * (n_columns - node_index - 1) |
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228 |
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229 def _drawedges(edges, nodeline, interline): |
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230 for (start, end) in edges: |
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231 if start == end + 1: |
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232 interline[2 * end + 1] = "/" |
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233 elif start == end - 1: |
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234 interline[2 * start + 1] = "\\" |
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235 elif start == end: |
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236 interline[2 * start] = "|" |
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237 else: |
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238 if 2 * end >= len(nodeline): |
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239 continue |
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240 nodeline[2 * end] = "+" |
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241 if start > end: |
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242 (start, end) = (end, start) |
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243 for i in range(2 * start + 1, 2 * end): |
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244 if nodeline[i] != "+": |
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245 nodeline[i] = "-" |
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246 |
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247 def _getpaddingline(ni, n_columns, edges): |
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248 line = [] |
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249 line.extend(["|", " "] * ni) |
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250 if (ni, ni - 1) in edges or (ni, ni) in edges: |
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251 # (ni, ni - 1) (ni, ni) |
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252 # | | | | | | | | |
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253 # +---o | | o---+ |
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254 # | | c | | c | | |
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255 # | |/ / | |/ / |
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256 # | | | | | | |
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257 c = "|" |
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258 else: |
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259 c = " " |
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260 line.extend([c, " "]) |
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261 line.extend(["|", " "] * (n_columns - ni - 1)) |
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262 return line |
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263 |
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264 def asciistate(): |
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265 """returns the initial value for the "state" argument to ascii()""" |
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266 return [0, 0] |
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267 |
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268 def ascii(ui, state, type, char, text, coldata): |
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269 """prints an ASCII graph of the DAG |
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270 |
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271 takes the following arguments (one call per node in the graph): |
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272 |
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273 - ui to write to |
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274 - Somewhere to keep the needed state in (init to asciistate()) |
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275 - Column of the current node in the set of ongoing edges. |
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276 - Type indicator of node data, usually 'C' for changesets. |
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277 - Payload: (char, lines): |
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278 - Character to use as node's symbol. |
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279 - List of lines to display as the node's text. |
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280 - Edges; a list of (col, next_col) indicating the edges between |
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281 the current node and its parents. |
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282 - Number of columns (ongoing edges) in the current revision. |
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283 - The difference between the number of columns (ongoing edges) |
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284 in the next revision and the number of columns (ongoing edges) |
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285 in the current revision. That is: -1 means one column removed; |
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286 0 means no columns added or removed; 1 means one column added. |
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287 """ |
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288 |
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289 idx, edges, ncols, coldiff = coldata |
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290 assert -2 < coldiff < 2 |
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291 if coldiff == -1: |
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292 # Transform |
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293 # |
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294 # | | | | | | |
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295 # o | | into o---+ |
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296 # |X / |/ / |
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297 # | | | | |
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298 _fixlongrightedges(edges) |
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299 |
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300 # add_padding_line says whether to rewrite |
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301 # |
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302 # | | | | | | | | |
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303 # | o---+ into | o---+ |
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304 # | / / | | | # <--- padding line |
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305 # o | | | / / |
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306 # o | | |
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307 add_padding_line = (len(text) > 2 and coldiff == -1 and |
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308 [x for (x, y) in edges if x + 1 < y]) |
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309 |
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310 # fix_nodeline_tail says whether to rewrite |
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311 # |
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312 # | | o | | | | o | | |
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313 # | | |/ / | | |/ / |
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314 # | o | | into | o / / # <--- fixed nodeline tail |
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315 # | |/ / | |/ / |
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316 # o | | o | | |
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317 fix_nodeline_tail = len(text) <= 2 and not add_padding_line |
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318 |
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319 # nodeline is the line containing the node character (typically o) |
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320 nodeline = ["|", " "] * idx |
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321 nodeline.extend([char, " "]) |
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322 |
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323 nodeline.extend( |
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324 _getnodelineedgestail(idx, state[1], ncols, coldiff, |
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325 state[0], fix_nodeline_tail)) |
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326 |
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327 # shift_interline is the line containing the non-vertical |
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328 # edges between this entry and the next |
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329 shift_interline = ["|", " "] * idx |
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330 if coldiff == -1: |
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331 n_spaces = 1 |
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332 edge_ch = "/" |
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333 elif coldiff == 0: |
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334 n_spaces = 2 |
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335 edge_ch = "|" |
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336 else: |
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337 n_spaces = 3 |
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338 edge_ch = "\\" |
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339 shift_interline.extend(n_spaces * [" "]) |
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340 shift_interline.extend([edge_ch, " "] * (ncols - idx - 1)) |
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341 |
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342 # draw edges from the current node to its parents |
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343 _drawedges(edges, nodeline, shift_interline) |
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344 |
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345 # lines is the list of all graph lines to print |
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346 lines = [nodeline] |
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347 if add_padding_line: |
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348 lines.append(_getpaddingline(idx, ncols, edges)) |
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349 lines.append(shift_interline) |
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350 |
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351 # make sure that there are as many graph lines as there are |
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352 # log strings |
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353 while len(text) < len(lines): |
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354 text.append("") |
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355 if len(lines) < len(text): |
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356 extra_interline = ["|", " "] * (ncols + coldiff) |
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357 while len(lines) < len(text): |
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358 lines.append(extra_interline) |
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359 |
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360 # print lines |
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361 indentation_level = max(ncols, ncols + coldiff) |
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362 for (line, logstr) in zip(lines, text): |
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363 ln = "%-*s %s" % (2 * indentation_level, "".join(line), logstr) |
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364 ui.write(ln.rstrip() + '\n') |
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365 |
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366 # ... and start over |
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367 state[0] = coldiff |
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368 state[1] = idx |