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34 lines
1.6 KiB
Python
34 lines
1.6 KiB
Python
from django.core.management.base import BaseCommand
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import re
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from ...files import GeneratedImageCacheFile
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from ...registry import generator_registry, cacheable_registry
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class Command(BaseCommand):
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help = ('Warm the image cache for the specified generators'
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' (or all generators if none was provided).'
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' Simple wildcard matching (using asterisks) is supported.')
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args = '[generator_ids]'
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def handle(self, *args, **options):
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generators = generator_registry.get_ids()
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if args:
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patterns = self.compile_patterns(args)
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generators = (id for id in generators if any(p.match(id) for p in patterns))
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for generator_id in generators:
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self.stdout.write('Validating generator: %s\n' % generator_id)
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for kwargs in cacheable_registry.get(generator_id):
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if kwargs:
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generator = generator_registry.get(generator_id, **kwargs) # TODO: HINTS! (Probably based on cacheable, so this will need to be moved into loop below.)
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self.stdout.write(' %s\n' % generator)
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try:
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# TODO: Allow other validation actions through command option
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GeneratedImageCacheFile(generator).validate()
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except Exception, err:
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# TODO: How should we handle failures? Don't want to error, but should call it out more than this.
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self.stdout.write(' FAILED: %s\n' % err)
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def compile_patterns(self, generator_ids):
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return [re.compile('%s$' % '.*'.join(re.escape(part) for part in id.split('*'))) for id in generator_ids]
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