def build(self, force=False, no_filters=False):
"""Build this bundle, meaning create the file given by the
``output`` attribute, applying the configured filters etc.
A ``FileHunk`` will be returned.
TODO: Support locking. When called from inside a template tag,
this should lock, so that multiple requests don't all start
to build. When called from the command line, there is no need
to lock.
"""
if not self.output:
raise BuildError('No output target found for %s' % self)
# Determine if we really need to build, or if the output file
# already exists and nothing has changed.
if force:
update_needed = True
elif not path.exists(abspath(self.output)):
if not settings.ASSETS_AUTO_CREATE:
raise BuildError(('\'%s\' needs to be created, but '
'ASSETS_AUTO_CREATE is disabled') % self)
else:
update_needed = True
else:
source_paths = [abspath(p) for p in self.get_files()]
update_needed = get_updater()(abspath(self.output), source_paths)
if not update_needed:
# We can simply return the existing output file
return FileHunk(self.output)
hunk = self._build(self.output, force, no_filters)
# If the output directory does not exist, create it
output_directory = path.dirname(abspath(self.output))
if not path.exists(output_directory):
try:
makedirs(output_directory)
except OSError, e:
if e.errno != errno.EEXISTS:
raise
def check_for_changes():
changed_bundles = []
for bundle in bundles:
for filename in bundle.get_files():
filename = abspath(filename)
stat = os.stat(filename)
mtime = stat.st_mtime
if _win:
mtime -= stat.st_ctime
if _mtimes.get(filename, mtime) != mtime:
changed_bundles.append(bundle)
_mtimes[filename] = mtime
break
_mtimes[filename] = mtime
return changed_bundles
def check_for_changes():
changed_bundles = []
for bundle in bundles:
for filename in bundle.get_files():
filename = abspath(filename)
stat = os.stat(filename)
mtime = stat.st_mtime
if _win:
mtime -= stat.st_ctime
if _mtimes.get(filename, mtime) != mtime:
changed_bundles.append(bundle)
_mtimes[filename] = mtime
break
_mtimes[filename] = mtime
return changed_bundles
def CMD_clean(self, options, bundles):
""" Delete generated assets.
"""
try:
if options.get('verbosity') >= 1:
print "Cleaning generated assets..."
for bundle in bundles:
file_path = abspath(bundle.output)
if os.path.exists(file_path):
os.unlink(file_path)
if options.get('verbosity') >= 1:
print "Deleted asset: %s" % bundle.output
except KeyboardInterrupt:
pass
def CMD_clean(self, options, bundles):
""" Delete generated assets.
"""
try:
if options.get('verbosity') >= 1:
print "Cleaning generated assets..."
for bundle in bundles:
file_path = abspath(bundle.output)
if os.path.exists(file_path):
os.unlink(file_path)
if options.get('verbosity') >= 1:
print "Deleted asset: %s" % bundle.output
except KeyboardInterrupt:
pass
