Mercurial > hg
annotate mercurial/hgweb/webutil.py @ 21631:9bafe09285f2
merge with stable
author | Matt Mackall <mpm@selenic.com> |
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date | Thu, 29 May 2014 15:41:16 -0700 |
parents | 50981ce36236 |
children | 513d47905114 |
rev | line source |
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1 # hgweb/webutil.py - utility library for the web interface. |
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2 # |
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3 # Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net> |
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4 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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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. |
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8 |
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9 import os, copy |
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10 from mercurial import match, patch, error, ui, util, pathutil, context |
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11 from mercurial.i18n import _ |
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12 from mercurial.node import hex, nullid |
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13 from common import ErrorResponse |
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14 from common import HTTP_NOT_FOUND |
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15 import difflib |
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16 |
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17 def up(p): |
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18 if p[0] != "/": |
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19 p = "/" + p |
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20 if p[-1] == "/": |
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21 p = p[:-1] |
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22 up = os.path.dirname(p) |
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23 if up == "/": |
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24 return "/" |
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25 return up + "/" |
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26 |
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27 def _navseq(step, firststep=None): |
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28 if firststep: |
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29 yield firststep |
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30 if firststep >= 20 and firststep <= 40: |
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31 firststep = 50 |
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32 yield firststep |
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33 assert step > 0 |
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34 assert firststep > 0 |
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35 while step <= firststep: |
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36 step *= 10 |
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37 while True: |
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38 yield 1 * step |
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39 yield 3 * step |
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40 step *= 10 |
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41 |
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42 class revnav(object): |
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43 |
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44 def __init__(self, repo): |
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45 """Navigation generation object |
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46 |
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47 :repo: repo object we generate nav for |
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48 """ |
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49 # used for hex generation |
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50 self._revlog = repo.changelog |
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51 |
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52 def __nonzero__(self): |
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53 """return True if any revision to navigate over""" |
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54 return self._first() is not None |
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55 |
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56 def _first(self): |
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57 """return the minimum non-filtered changeset or None""" |
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58 try: |
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59 return iter(self._revlog).next() |
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60 except StopIteration: |
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61 return None |
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62 |
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63 def hex(self, rev): |
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64 return hex(self._revlog.node(rev)) |
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65 |
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66 def gen(self, pos, pagelen, limit): |
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67 """computes label and revision id for navigation link |
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68 |
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69 :pos: is the revision relative to which we generate navigation. |
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70 :pagelen: the size of each navigation page |
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71 :limit: how far shall we link |
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72 |
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73 The return is: |
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74 - a single element tuple |
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75 - containing a dictionary with a `before` and `after` key |
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76 - values are generator functions taking arbitrary number of kwargs |
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77 - yield items are dictionaries with `label` and `node` keys |
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78 """ |
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79 if not self: |
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80 # empty repo |
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81 return ({'before': (), 'after': ()},) |
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82 |
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83 targets = [] |
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84 for f in _navseq(1, pagelen): |
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85 if f > limit: |
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86 break |
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87 targets.append(pos + f) |
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88 targets.append(pos - f) |
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89 targets.sort() |
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90 |
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91 first = self._first() |
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92 navbefore = [("(%i)" % first, self.hex(first))] |
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93 navafter = [] |
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94 for rev in targets: |
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95 if rev not in self._revlog: |
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96 continue |
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97 if pos < rev < limit: |
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98 navafter.append(("+%d" % abs(rev - pos), self.hex(rev))) |
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99 if 0 < rev < pos: |
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100 navbefore.append(("-%d" % abs(rev - pos), self.hex(rev))) |
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101 |
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102 |
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103 navafter.append(("tip", "tip")) |
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104 |
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105 data = lambda i: {"label": i[0], "node": i[1]} |
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106 return ({'before': lambda **map: (data(i) for i in navbefore), |
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107 'after': lambda **map: (data(i) for i in navafter)},) |
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108 |
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109 class filerevnav(revnav): |
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110 |
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111 def __init__(self, repo, path): |
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112 """Navigation generation object |
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113 |
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114 :repo: repo object we generate nav for |
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115 :path: path of the file we generate nav for |
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116 """ |
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117 # used for iteration |
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118 self._changelog = repo.unfiltered().changelog |
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119 # used for hex generation |
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120 self._revlog = repo.file(path) |
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121 |
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122 def hex(self, rev): |
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123 return hex(self._changelog.node(self._revlog.linkrev(rev))) |
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124 |
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125 |
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126 def _siblings(siblings=[], hiderev=None): |
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127 siblings = [s for s in siblings if s.node() != nullid] |
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128 if len(siblings) == 1 and siblings[0].rev() == hiderev: |
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129 return |
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130 for s in siblings: |
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131 d = {'node': s.hex(), 'rev': s.rev()} |
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132 d['user'] = s.user() |
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133 d['date'] = s.date() |
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134 d['description'] = s.description() |
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135 d['branch'] = s.branch() |
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136 if util.safehasattr(s, 'path'): |
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137 d['file'] = s.path() |
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138 yield d |
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139 |
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140 def parents(ctx, hide=None): |
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141 if (isinstance(ctx, context.basefilectx) and |
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142 ctx.changectx().rev() != ctx.linkrev()): |
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143 return _siblings([ctx._repo[ctx.linkrev()]], hide) |
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144 return _siblings(ctx.parents(), hide) |
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145 |
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146 def children(ctx, hide=None): |
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147 return _siblings(ctx.children(), hide) |
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148 |
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149 def renamelink(fctx): |
6437 | 150 r = fctx.renamed() |
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151 if r: |
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152 return [{'file': r[0], 'node': hex(r[1])}] |
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153 return [] |
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154 |
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155 def nodetagsdict(repo, node): |
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156 return [{"name": i} for i in repo.nodetags(node)] |
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157 |
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158 def nodebookmarksdict(repo, node): |
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159 return [{"name": i} for i in repo.nodebookmarks(node)] |
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160 |
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161 def nodebranchdict(repo, ctx): |
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162 branches = [] |
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163 branch = ctx.branch() |
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164 # If this is an empty repo, ctx.node() == nullid, |
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165 # ctx.branch() == 'default'. |
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166 try: |
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167 branchnode = repo.branchtip(branch) |
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168 except error.RepoLookupError: |
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169 branchnode = None |
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170 if branchnode == ctx.node(): |
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171 branches.append({"name": branch}) |
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172 return branches |
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173 |
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174 def nodeinbranch(repo, ctx): |
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175 branches = [] |
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176 branch = ctx.branch() |
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177 try: |
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178 branchnode = repo.branchtip(branch) |
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179 except error.RepoLookupError: |
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180 branchnode = None |
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181 if branch != 'default' and branchnode != ctx.node(): |
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182 branches.append({"name": branch}) |
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183 return branches |
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184 |
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185 def nodebranchnodefault(ctx): |
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186 branches = [] |
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187 branch = ctx.branch() |
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188 if branch != 'default': |
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189 branches.append({"name": branch}) |
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190 return branches |
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191 |
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192 def showtag(repo, tmpl, t1, node=nullid, **args): |
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193 for t in repo.nodetags(node): |
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194 yield tmpl(t1, tag=t, **args) |
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195 |
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196 def showbookmark(repo, tmpl, t1, node=nullid, **args): |
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197 for t in repo.nodebookmarks(node): |
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198 yield tmpl(t1, bookmark=t, **args) |
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199 |
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200 def cleanpath(repo, path): |
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201 path = path.lstrip('/') |
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202 return pathutil.canonpath(repo.root, '', path) |
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203 |
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204 def changeidctx (repo, changeid): |
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205 try: |
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206 ctx = repo[changeid] |
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208 man = repo.manifest |
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209 ctx = repo[man.linkrev(man.rev(man.lookup(changeid)))] |
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210 |
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211 return ctx |
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212 |
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213 def changectx (repo, req): |
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214 changeid = "tip" |
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215 if 'node' in req.form: |
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216 changeid = req.form['node'][0] |
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217 ipos=changeid.find(':') |
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218 if ipos != -1: |
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219 changeid = changeid[(ipos + 1):] |
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220 elif 'manifest' in req.form: |
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221 changeid = req.form['manifest'][0] |
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222 |
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223 return changeidctx(repo, changeid) |
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224 |
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225 def basechangectx(repo, req): |
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226 if 'node' in req.form: |
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227 changeid = req.form['node'][0] |
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228 ipos=changeid.find(':') |
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229 if ipos != -1: |
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230 changeid = changeid[:ipos] |
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231 return changeidctx(repo, changeid) |
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232 |
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233 return None |
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234 |
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235 def filectx(repo, req): |
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236 if 'file' not in req.form: |
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237 raise ErrorResponse(HTTP_NOT_FOUND, 'file not given') |
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238 path = cleanpath(repo, req.form['file'][0]) |
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239 if 'node' in req.form: |
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240 changeid = req.form['node'][0] |
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241 elif 'filenode' in req.form: |
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242 changeid = req.form['filenode'][0] |
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243 else: |
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244 raise ErrorResponse(HTTP_NOT_FOUND, 'node or filenode not given') |
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245 try: |
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246 fctx = repo[changeid][path] |
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248 fctx = repo.filectx(path, fileid=changeid) |
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249 |
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250 return fctx |
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251 |
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252 def listfilediffs(tmpl, files, node, max): |
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253 for f in files[:max]: |
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254 yield tmpl('filedifflink', node=hex(node), file=f) |
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255 if len(files) > max: |
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256 yield tmpl('fileellipses') |
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257 |
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258 def diffs(repo, tmpl, ctx, basectx, files, parity, style): |
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259 |
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260 def countgen(): |
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261 start = 1 |
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262 while True: |
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263 yield start |
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264 start += 1 |
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265 |
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266 blockcount = countgen() |
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267 def prettyprintlines(diff, blockno): |
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268 for lineno, l in enumerate(diff.splitlines(True)): |
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269 lineno = "%d.%d" % (blockno, lineno + 1) |
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270 if l.startswith('+'): |
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271 ltype = "difflineplus" |
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272 elif l.startswith('-'): |
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273 ltype = "difflineminus" |
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274 elif l.startswith('@'): |
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275 ltype = "difflineat" |
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276 else: |
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277 ltype = "diffline" |
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278 yield tmpl(ltype, |
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279 line=l, |
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280 lineid="l%s" % lineno, |
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281 linenumber="% 8s" % lineno) |
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282 |
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283 if files: |
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284 m = match.exact(repo.root, repo.getcwd(), files) |
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285 else: |
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286 m = match.always(repo.root, repo.getcwd()) |
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287 |
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288 diffopts = patch.diffopts(repo.ui, untrusted=True) |
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289 if basectx is None: |
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|
290 parents = ctx.parents() |
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|
291 node1 = parents and parents[0].node() or nullid |
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|
292 else: |
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293 node1 = basectx.node() |
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294 node2 = ctx.node() |
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295 |
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296 block = [] |
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297 for chunk in patch.diff(repo, node1, node2, m, opts=diffopts): |
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298 if chunk.startswith('diff') and block: |
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299 blockno = blockcount.next() |
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300 yield tmpl('diffblock', parity=parity.next(), blockno=blockno, |
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301 lines=prettyprintlines(''.join(block), blockno)) |
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302 block = [] |
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8225
diff
changeset
|
303 if chunk.startswith('diff') and style != 'raw': |
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304 chunk = ''.join(chunk.splitlines(True)[1:]) |
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305 block.append(chunk) |
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|
306 blockno = blockcount.next() |
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307 yield tmpl('diffblock', parity=parity.next(), blockno=blockno, |
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changeset
|
308 lines=prettyprintlines(''.join(block), blockno)) |
7345
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changeset
|
309 |
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diff
changeset
|
310 def compare(tmpl, context, leftlines, rightlines): |
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311 '''Generator function that provides side-by-side comparison data.''' |
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312 |
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313 def compline(type, leftlineno, leftline, rightlineno, rightline): |
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314 lineid = leftlineno and ("l%s" % leftlineno) or '' |
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315 lineid += rightlineno and ("r%s" % rightlineno) or '' |
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316 return tmpl('comparisonline', |
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|
317 type=type, |
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318 lineid=lineid, |
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319 leftlinenumber="% 6s" % (leftlineno or ''), |
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|
320 leftline=leftline or '', |
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|
321 rightlinenumber="% 6s" % (rightlineno or ''), |
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|
322 rightline=rightline or '') |
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|
323 |
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|
324 def getblock(opcodes): |
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|
325 for type, llo, lhi, rlo, rhi in opcodes: |
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|
326 len1 = lhi - llo |
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|
327 len2 = rhi - rlo |
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|
328 count = min(len1, len2) |
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|
329 for i in xrange(count): |
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330 yield compline(type=type, |
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|
331 leftlineno=llo + i + 1, |
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332 leftline=leftlines[llo + i], |
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333 rightlineno=rlo + i + 1, |
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334 rightline=rightlines[rlo + i]) |
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335 if len1 > len2: |
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336 for i in xrange(llo + count, lhi): |
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337 yield compline(type=type, |
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338 leftlineno=i + 1, |
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339 leftline=leftlines[i], |
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340 rightlineno=None, |
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341 rightline=None) |
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342 elif len2 > len1: |
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343 for i in xrange(rlo + count, rhi): |
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344 yield compline(type=type, |
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345 leftlineno=None, |
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346 leftline=None, |
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347 rightlineno=i + 1, |
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348 rightline=rightlines[i]) |
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349 |
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350 s = difflib.SequenceMatcher(None, leftlines, rightlines) |
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351 if context < 0: |
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352 yield tmpl('comparisonblock', lines=getblock(s.get_opcodes())) |
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353 else: |
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354 for oc in s.get_grouped_opcodes(n=context): |
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355 yield tmpl('comparisonblock', lines=getblock(oc)) |
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356 |
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357 def diffstatgen(ctx, basectx): |
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358 '''Generator function that provides the diffstat data.''' |
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359 |
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360 stats = patch.diffstatdata(util.iterlines(ctx.diff(basectx))) |
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361 maxname, maxtotal, addtotal, removetotal, binary = patch.diffstatsum(stats) |
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362 while True: |
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363 yield stats, maxname, maxtotal, addtotal, removetotal, binary |
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364 |
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365 def diffsummary(statgen): |
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366 '''Return a short summary of the diff.''' |
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367 |
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368 stats, maxname, maxtotal, addtotal, removetotal, binary = statgen.next() |
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369 return _(' %d files changed, %d insertions(+), %d deletions(-)\n') % ( |
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370 len(stats), addtotal, removetotal) |
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371 |
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372 def diffstat(tmpl, ctx, statgen, parity): |
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373 '''Return a diffstat template for each file in the diff.''' |
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374 |
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375 stats, maxname, maxtotal, addtotal, removetotal, binary = statgen.next() |
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376 files = ctx.files() |
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377 |
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378 def pct(i): |
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379 if maxtotal == 0: |
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380 return 0 |
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381 return (float(i) / maxtotal) * 100 |
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382 |
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383 fileno = 0 |
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384 for filename, adds, removes, isbinary in stats: |
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385 template = filename in files and 'diffstatlink' or 'diffstatnolink' |
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386 total = adds + removes |
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387 fileno += 1 |
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388 yield tmpl(template, node=ctx.hex(), file=filename, fileno=fileno, |
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389 total=total, addpct=pct(adds), removepct=pct(removes), |
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390 parity=parity.next()) |
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391 |
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392 class sessionvars(object): |
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393 def __init__(self, vars, start='?'): |
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394 self.start = start |
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395 self.vars = vars |
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396 def __getitem__(self, key): |
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397 return self.vars[key] |
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398 def __setitem__(self, key, value): |
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399 self.vars[key] = value |
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400 def __copy__(self): |
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401 return sessionvars(copy.copy(self.vars), self.start) |
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402 def __iter__(self): |
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403 separator = self.start |
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404 for key, value in sorted(self.vars.iteritems()): |
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405 yield {'name': key, 'value': str(value), 'separator': separator} |
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406 separator = '&' |
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407 |
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408 class wsgiui(ui.ui): |
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409 # default termwidth breaks under mod_wsgi |
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410 def termwidth(self): |
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411 return 80 |