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annotate mercurial/templatekw.py @ 10054:1a85861f59af

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cmdutil: extract ctx dependent closures into templatekw
author Patrick Mezard <pmezard@gmail.com>
date Sun, 13 Dec 2009 18:06:23 +0100
parents 5c5c6295533d
children e400a511e63a
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10053
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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 import encoding
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9
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10 def showlist(templ, name, values, plural=None, **args):
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11 '''expand set of values.
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12 name is name of key in template map.
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13 values is list of strings or dicts.
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14 plural is plural of name, if not simply name + 's'.
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15
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16 expansion works like this, given name 'foo'.
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17
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18 if values is empty, expand 'no_foos'.
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19
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20 if 'foo' not in template map, return values as a string,
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21 joined by space.
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22
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23 expand 'start_foos'.
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24
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25 for each value, expand 'foo'. if 'last_foo' in template
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26 map, expand it instead of 'foo' for last key.
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27
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28 expand 'end_foos'.
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29 '''
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30 if plural: names = plural
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31 else: names = name + 's'
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32 if not values:
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33 noname = 'no_' + names
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34 if noname in templ:
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35 yield templ(noname, **args)
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36 return
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37 if name not in templ:
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38 if isinstance(values[0], str):
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39 yield ' '.join(values)
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40 else:
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41 for v in values:
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42 yield dict(v, **args)
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43 return
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44 startname = 'start_' + names
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45 if startname in templ:
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46 yield templ(startname, **args)
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47 vargs = args.copy()
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48 def one(v, tag=name):
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49 try:
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50 vargs.update(v)
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51 except (AttributeError, ValueError):
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52 try:
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53 for a, b in v:
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54 vargs[a] = b
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55 except ValueError:
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56 vargs[name] = v
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57 return templ(tag, **vargs)
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58 lastname = 'last_' + name
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59 if lastname in templ:
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60 last = values.pop()
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61 else:
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62 last = None
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63 for v in values:
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64 yield one(v)
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65 if last is not None:
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66 yield one(last, tag=lastname)
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67 endname = 'end_' + names
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68 if endname in templ:
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69 yield templ(endname, **args)
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70
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71 def showauthor(ctx, templ, **args):
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72 return ctx.user()
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73
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74 def showbranches(ctx, templ, **args):
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75 branch = ctx.branch()
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76 if branch != 'default':
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77 branch = encoding.tolocal(branch)
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78 return showlist(templ, 'branch', [branch], plural='branches', **args)
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79
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80 def showdate(ctx, templ, **args):
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81 return ctx.date()
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82
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83 def showdescription(ctx, templ, **args):
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84 return ctx.description().strip()
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85
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86 def showextras(ctx, templ, **args):
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87 for key, value in sorted(ctx.extra().items()):
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88 args = args.copy()
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89 args.update(dict(key=key, value=value))
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90 yield templ('extra', **args)
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91
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92 def showfiles(ctx, templ, **args):
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93 return showlist(templ, 'file', ctx.files(), **args)
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94
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95 def shownode(ctx, templ, **args):
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96 return ctx.hex()
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97
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98 def showrev(ctx, templ, **args):
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99 return ctx.rev()
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100
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101 def showtags(ctx, templ, **args):
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102 return showlist(templ, 'tag', ctx.tags(), **args)
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103
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104 keywords = {
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105 'author': showauthor,
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106 'branches': showbranches,
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107 'date': showdate,
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108 'desc': showdescription,
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109 'extras': showextras,
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110 'files': showfiles,
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111 'node': shownode,
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112 'rev': showrev,
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113 'tags': showtags,
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114 }
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115