class Command(BaseCommand): # pragma: no cover
help = ("Compresses css and js assets defined in settings.MINIFY_BUNDLES")
option_list = BaseCommand.option_list + (make_option(
'-u',
'--update-only',
action='store_true',
dest='do_update_only',
help='Updates the hash only'), )
requires_model_validation = False
do_update_only = False
checked_hash = {}
bundle_hashes = {}
missing_files = 0
minify_skipped = 0
cmd_errors = False
ext_media_path = os.path.join(get_media_root(), 'external')
def update_hashes(self, update=False):
def media_git_id(media_path):
id = git.repo.Repo(path(media_path)).log('-1')[0].id_abbrev
if update:
# Adds a time based hash on to the build id.
return '%s-%s' % (id, hex(int(time.time()))[2:])
return id
build_id_file = os.path.realpath(
os.path.join(settings.ROOT, 'build.py'))
with open(build_id_file, 'w') as f:
f.write('BUILD_ID_CSS = "%s"\n' % media_git_id('css'))
f.write('BUILD_ID_JS = "%s"\n' % media_git_id('js'))
f.write('BUILD_ID_IMG = "%s"\n' % media_git_id('img'))
f.write('BUNDLE_HASHES = %s\n' % self.bundle_hashes)
def handle(self, **options):
if options.get('do_update_only', False):
self.update_hashes(update=True)
return
jar_path = (os.path.dirname(__file__), '..', '..', 'bin',
'yuicompressor-2.4.7.jar')
self.path_to_jar = os.path.realpath(os.path.join(*jar_path))
self.v = '-v' if options.get('verbosity', False) == '2' else ''
cachebust_imgs = getattr(settings, 'CACHEBUST_IMGS', False)
if not cachebust_imgs:
print "To turn on cache busting, use settings.CACHEBUST_IMGS"
# This will loop through every bundle, and do the following:
# - Concat all files into one
# - Cache bust all images in CSS files
# - Minify the concatted files
for ftype, bundle in settings.MINIFY_BUNDLES.iteritems():
for name, files in bundle.iteritems():
# Set the paths to the files.
concatted_file = path(ftype, '%s-all.%s' % (
name,
ftype,
))
compressed_file = path(ftype, '%s-min.%s' % (
name,
ftype,
))
files_all = []
for fn in files:
processed = self._preprocess_file(fn)
# If the file can't be processed, we skip it.
if processed is not None:
files_all.append(processed)
# Concat all the files.
tmp_concatted = '%s.tmp' % concatted_file
if len(files_all) == 0:
raise CommandError(
'No input files specified in ' +
'MINIFY_BUNDLES["%s"]["%s"] in settings.py!' %
(ftype, name))
self._call("cat %s > %s" %
(' '.join(files_all), tmp_concatted),
shell=True)
# Cache bust individual images in the CSS.
if cachebust_imgs and ftype == "css":
bundle_hash = self._cachebust(tmp_concatted, name)
self.bundle_hashes["%s:%s" % (ftype, name)] = bundle_hash
# Compresses the concatenations.
is_changed = self._is_changed(concatted_file)
self._clean_tmp(concatted_file)
if is_changed:
self._minify(ftype, concatted_file, compressed_file)
elif self.v:
print "File unchanged, skipping minification of %s" % (
concatted_file)
else:
self.minify_skipped += 1
# Write out the hashes
self.update_hashes()
if not self.v and self.minify_skipped:
print "Unchanged files skipped for minification: %s" % (
self.minify_skipped)
if self.cmd_errors:
raise CommandError('one or more minify commands exited with a '
'non-zero status. See output above for errors.')
def _call(self, *args, **kw):
exit = call(*args, **kw)
if exit != 0:
print '%s exited with a non-zero status.' % args
self.cmd_errors = True
return exit
def _get_url_or_path(self, item):
"""
Determine whether this is a URL or a relative path.
"""
if item.startswith('//'):
return 'http:%s' % item
elif item.startswith(('http', 'https')):
return item
return None
def _preprocess_file(self, filename):
"""Preprocess files and return new filenames."""
url = self._get_url_or_path(filename)
if url:
# External files from URLs are placed into a subdirectory.
if not os.path.exists(self.ext_media_path):
os.makedirs(self.ext_media_path)
filename = os.path.basename(url)
if filename.endswith(('.js', '.css', '.less', '.styl')):
fp = path(filename.lstrip('/'))
file_path = '%s/%s' % (self.ext_media_path, filename)
try:
req = urllib2.urlopen(url)
print ' - Fetching %s ...' % url
except urllib2.HTTPError, e:
print ' - HTTP Error %s for %s, %s' % (url, filename,
str(e.code))
return None
except urllib2.URLError, e:
print ' - Invalid URL %s for %s, %s' % (url, filename,
str(e.reason))
return None
with open(file_path, 'w+') as fp:
try:
shutil.copyfileobj(req, fp)
except shutil.Error:
print ' - Could not copy file %s' % filename
filename = os.path.join('external', filename)
else:
import os
import re
import shutil
import time
import urllib2
from subprocess import call, PIPE
from django.conf import settings
from django.core.management.base import BaseCommand, CommandError
import git
from jingo_minify.helpers import get_media_root
path = lambda *a: os.path.join(get_media_root(), *a)
class Command(BaseCommand): # pragma: no cover
help = ("Compresses css and js assets defined in settings.MINIFY_BUNDLES")
option_list = BaseCommand.option_list + (
make_option('-u', '--update-only', action='store_true',
dest='do_update_only', help='Updates the hash only'),
make_option('-t', '--add-timestamp', action='store_true',
dest='add_timestamp', help='Add timestamp to hash'),
)
requires_model_validation = False
do_update_only = False
checked_hash = {}
bundle_hashes = {}
from optparse import make_option
import os
import re
import shutil
import time
import urllib2
from subprocess import call, PIPE
from django.conf import settings
from django.core.management.base import BaseCommand, CommandError
import git
from jingo_minify.helpers import get_media_root
path = lambda *a: os.path.join(get_media_root(), *a)
class Command(BaseCommand): # pragma: no cover
help = ("Compresses css and js assets defined in settings.MINIFY_BUNDLES")
option_list = BaseCommand.option_list + (make_option(
'-u',
'--update-only',
action='store_true',
dest='do_update_only',
help='Updates the hash only'), )
requires_model_validation = False
do_update_only = False
checked_hash = {}
bundle_hashes = {}
def test_static_override():
"""Overriding to False uses MEDIA versions."""
eq_(get_media_root(), 'media')
eq_(get_media_url(), 'http://example.com/media')
def test_no_override():
"""No override uses STATIC versions."""
eq_(get_media_root(), 'static')
eq_(get_media_url(), 'http://example.com/static')
def test_static_override():
"""Overriding to False uses MEDIA versions."""
eq_(get_media_root(), 'media')
eq_(get_media_url(), 'http://example.com/media')
def test_no_override():
"""No override uses STATIC versions."""
eq_(get_media_root(), 'static')
eq_(get_media_url(), 'http://example.com/static')
