zulip/zephyr/lib/minify.py

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from django.conf import settings
from hashlib import sha1
from os import path
from pipeline.compressors import SubProcessCompressor
class ClosureSourceMapCompressor(SubProcessCompressor):
def compress_js(self, js):
# js is the full text of the JavaScript source, and we can't
# easily get either the input file names or the output file
# name. So we just pick a unique arbitrary name. This is
# okay because we can figure out from the source map file
# contents which JavaScript files it corresponds to.
source_map = path.join(settings.PIPELINE_CLOSURE_SOURCE_MAP_DIR,
sha1(js).hexdigest() + '.map')
command = '%s --create_source_map %s' % (
settings.PIPELINE_CLOSURE_BINARY, source_map)
return self.execute_command(command, js)