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d6788adafc
Before, KeyError was caught at changeset_templater._show(), which said "no key named '%s'" as it was intended to catch the KeyError of unknown map key. Instead, we should catch KeyError explicitly for better error indication. For those who don't know what the template engine is (read "everyone"), it is hidden extension feature that allows switching template syntax in map file. See b901d7e82888 for details.
55 lines
1.5 KiB
Raku
55 lines
1.5 KiB
Raku
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$ cat > engine.py << EOF
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>
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> from mercurial import templater
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>
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> class mytemplater(object):
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> def __init__(self, loader, filters, defaults):
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> self.loader = loader
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>
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> def process(self, t, map):
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> tmpl = self.loader(t)
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> for k, v in map.iteritems():
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> if k in ('templ', 'ctx', 'repo', 'revcache', 'cache'):
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> continue
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> if hasattr(v, '__call__'):
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> v = v(**map)
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> v = templater.stringify(v)
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> tmpl = tmpl.replace('{{%s}}' % k, v)
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> yield tmpl
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>
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> templater.engines['my'] = mytemplater
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> EOF
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$ hg init test
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$ echo '[extensions]' > test/.hg/hgrc
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$ echo "engine = `pwd`/engine.py" >> test/.hg/hgrc
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$ cd test
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$ cat > mymap << EOF
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> changeset = my:changeset.txt
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> EOF
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$ cat > changeset.txt << EOF
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> {{rev}} {{node}} {{author}}
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> EOF
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$ hg ci -Ama
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adding changeset.txt
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adding mymap
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$ hg log --style=./mymap
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0 97e5f848f0936960273bbf75be6388cd0350a32b test
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$ cat > changeset.txt << EOF
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> {{p1rev}} {{p1node}} {{p2rev}} {{p2node}}
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> EOF
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$ hg ci -Ama
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$ hg log --style=./mymap
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0 97e5f848f0936960273bbf75be6388cd0350a32b -1 0000000000000000000000000000000000000000
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-1 0000000000000000000000000000000000000000 -1 0000000000000000000000000000000000000000
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invalid engine type:
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$ echo 'changeset = unknown:changeset.txt' > unknownenginemap
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$ hg log --style=./unknownenginemap
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abort: invalid template engine: unknown
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[255]
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$ cd ..
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