upstream/mercurial-mirror Files · tests/test-template-engine.t

show: construct changeset templater during dispatch...

show: construct changeset templater during dispatch Previously, we constructed a formatter from a specific template topic. Then from show() we reached into the internals of the formatter to resolve a template string to be used to construct a changeset templater. A downside to this approach was it limited us to having the entire template defined in a single entry in the map file. You couldn't reference other entries in the map file and this would lead to long templates and redundancy in the map file. This commit teaches @showview how to instantiate a changeset templater so we can construct a templater with full access to the map file. To prove it works, we've split "showwork" into components.

Yuya Nishihara - - Load All Authors

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        $ cat > engine.py << EOF

        > 

        > from mercurial import templater

        > 

        > class mytemplater(object):

        >     def __init__(self, loader, filters, defaults, aliases):

        >         self.loader = loader

        > 

        >     def process(self, t, map):

        >         tmpl = self.loader(t)

        >         for k, v in map.iteritems():

        >             if k in ('templ', 'ctx', 'repo', 'revcache', 'cache'):

        >                 continue

        >             if hasattr(v, '__call__'):

        >                 v = v(**map)

        >             v = templater.stringify(v)

        >             tmpl = tmpl.replace('{{%s}}' % k, v)

        >         yield tmpl

        > 

        > templater.engines['my'] = mytemplater

        > EOF

        $ hg init test

        $ echo '[extensions]' > test/.hg/hgrc

        $ echo "engine = `pwd`/engine.py" >> test/.hg/hgrc

        $ cd test

        $ cat > mymap << EOF

        > changeset = my:changeset.txt

        > EOF

        $ cat > changeset.txt << EOF

        > {{rev}} {{node}} {{author}}

        > EOF

        $ hg ci -Ama

        adding changeset.txt

        adding mymap

        $ hg log --style=./mymap

        0 97e5f848f0936960273bbf75be6388cd0350a32b test

        $ cat > changeset.txt << EOF

        > {{p1rev}} {{p1node}} {{p2rev}} {{p2node}}

        > EOF

        $ hg ci -Ama

        $ hg log --style=./mymap

        0 97e5f848f0936960273bbf75be6388cd0350a32b -1 0000000000000000000000000000000000000000

        -1 0000000000000000000000000000000000000000 -1 0000000000000000000000000000000000000000

      invalid engine type:

        $ echo 'changeset = unknown:changeset.txt' > unknownenginemap

        $ hg log --style=./unknownenginemap

        abort: invalid template engine: unknown

        [255]

        $ cd ..

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				$ cat > engine.py << EOF
				>
				> from mercurial import templater
				>
				> class mytemplater(object):
				> def __init__(self, loader, filters, defaults, aliases):
				> self.loader = loader
				>
				> def process(self, t, map):
				> tmpl = self.loader(t)
				> for k, v in map.iteritems():
				> if k in ('templ', 'ctx', 'repo', 'revcache', 'cache'):
				> continue
				> if hasattr(v, '__call__'):
				> v = v(**map)
				> v = templater.stringify(v)
				> tmpl = tmpl.replace('{{%s}}' % k, v)
				> yield tmpl
				>
				> templater.engines['my'] = mytemplater
				> EOF
				$ hg init test
				$ echo '[extensions]' > test/.hg/hgrc
				$ echo "engine = `pwd`/engine.py" >> test/.hg/hgrc
				$ cd test
				$ cat > mymap << EOF
				> changeset = my:changeset.txt
				> EOF
				$ cat > changeset.txt << EOF
				> {{rev}} {{node}} {{author}}
				> EOF
				$ hg ci -Ama
				adding changeset.txt
				adding mymap
				$ hg log --style=./mymap
				0 97e5f848f0936960273bbf75be6388cd0350a32b test

				$ cat > changeset.txt << EOF
				> {{p1rev}} {{p1node}} {{p2rev}} {{p2node}}
				> EOF
				$ hg ci -Ama
				$ hg log --style=./mymap
				0 97e5f848f0936960273bbf75be6388cd0350a32b -1 0000000000000000000000000000000000000000
				-1 0000000000000000000000000000000000000000 -1 0000000000000000000000000000000000000000

				invalid engine type:

				$ echo 'changeset = unknown:changeset.txt' > unknownenginemap
				$ hg log --style=./unknownenginemap
				abort: invalid template engine: unknown
				[255]

				$ cd ..