Mercurial > public > mercurial-scm > hg-stable

annotate mercurial/templatekw.py @ 10055:e400a511e63a

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cmdutil: extract repo dependent closures in templatekw
author Patrick Mezard <pmezard@gmail.com>
date Sun, 13 Dec 2009 18:06:23 +0100
parents 1a85861f59af
children 1a114aca93fa
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # templatekw.py - common changeset template keywords
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2 #
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3 # Copyright 2005-2009 Matt Mackall <mpm@selenic.com>
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2, incorporated herein by reference.
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7
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8 from node import hex
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9 import encoding, patch, util
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10
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11 def showlist(templ, name, values, plural=None, **args):
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12 '''expand set of values.
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13 name is name of key in template map.
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14 values is list of strings or dicts.
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15 plural is plural of name, if not simply name + 's'.
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16
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17 expansion works like this, given name 'foo'.
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18
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19 if values is empty, expand 'no_foos'.
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20
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21 if 'foo' not in template map, return values as a string,
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22 joined by space.
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23
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24 expand 'start_foos'.
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25
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26 for each value, expand 'foo'. if 'last_foo' in template
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27 map, expand it instead of 'foo' for last key.
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28
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29 expand 'end_foos'.
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30 '''
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31 if plural: names = plural
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32 else: names = name + 's'
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33 if not values:
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34 noname = 'no_' + names
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35 if noname in templ:
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36 yield templ(noname, **args)
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37 return
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38 if name not in templ:
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39 if isinstance(values[0], str):
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40 yield ' '.join(values)
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41 else:
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42 for v in values:
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43 yield dict(v, **args)
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44 return
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45 startname = 'start_' + names
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46 if startname in templ:
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47 yield templ(startname, **args)
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48 vargs = args.copy()
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49 def one(v, tag=name):
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50 try:
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51 vargs.update(v)
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52 except (AttributeError, ValueError):
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53 try:
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54 for a, b in v:
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55 vargs[a] = b
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56 except ValueError:
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57 vargs[name] = v
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58 return templ(tag, **vargs)
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59 lastname = 'last_' + name
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60 if lastname in templ:
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61 last = values.pop()
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62 else:
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63 last = None
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64 for v in values:
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65 yield one(v)
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66 if last is not None:
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67 yield one(last, tag=lastname)
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68 endname = 'end_' + names
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69 if endname in templ:
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70 yield templ(endname, **args)
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71
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72 def showauthor(repo, ctx, templ, **args):
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73 return ctx.user()
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74
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75 def showbranches(repo, ctx, templ, **args):
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76 branch = ctx.branch()
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77 if branch != 'default':
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78 branch = encoding.tolocal(branch)
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79 return showlist(templ, 'branch', [branch], plural='branches', **args)
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80
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81 def showdate(repo, ctx, templ, **args):
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82 return ctx.date()
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83
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84 def showdescription(repo, ctx, templ, **args):
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85 return ctx.description().strip()
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86
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87 def showdiffstat(repo, ctx, templ, **args):
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88 diff = patch.diff(repo, ctx.parents()[0].node(), ctx.node())
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89 files, adds, removes = 0, 0, 0
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90 for i in patch.diffstatdata(util.iterlines(diff)):
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91 files += 1
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92 adds += i[1]
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93 removes += i[2]
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94 return '%s: +%s/-%s' % (files, adds, removes)
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95
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96 def showextras(repo, ctx, templ, **args):
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97 for key, value in sorted(ctx.extra().items()):
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98 args = args.copy()
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99 args.update(dict(key=key, value=value))
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100 yield templ('extra', **args)
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101
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102 def showfiles(repo, ctx, templ, **args):
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103 return showlist(templ, 'file', ctx.files(), **args)
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104
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105 def showmanifest(repo, ctx, templ, **args):
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106 args = args.copy()
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107 args.update(dict(rev=repo.manifest.rev(ctx.changeset()[0]),
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108 node=hex(ctx.changeset()[0])))
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109 return templ('manifest', **args)
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110
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111 def shownode(repo, ctx, templ, **args):
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112 return ctx.hex()
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113
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114 def showrev(repo, ctx, templ, **args):
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115 return ctx.rev()
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116
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117 def showtags(repo, ctx, templ, **args):
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118 return showlist(templ, 'tag', ctx.tags(), **args)
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119
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120 keywords = {
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121 'author': showauthor,
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122 'branches': showbranches,
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123 'date': showdate,
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124 'desc': showdescription,
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125 'diffstat': showdiffstat,
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126 'extras': showextras,
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127 'files': showfiles,
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128 'manifest': showmanifest,
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129 'node': shownode,
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130 'rev': showrev,
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131 'tags': showtags,
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132 }
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133