def resolve_source_to_url(self, filepath, item):
request = get_current_request()
env = self.env
# Copied from webassets 0.8. Reproduced here for backwards
# compatibility with the previous webassets release.
# This ensures files which do not require building are still served
# with proper versioning of URLs.
# This can likely be removed once miracle2k/webassets#117 is fixed.
# Only query the version if we need to for performance
version = None
if has_placeholder(filepath) or env.url_expire is not False:
# If auto-build is enabled, we must not use a cached version
# value, or we might serve old versions.
bundle = Bundle(item, output=filepath)
version = bundle.get_version(env, refresh=env.auto_build)
url = filepath
if has_placeholder(url):
url = url % {'version': version}
# This part is different from webassets. Try to resolve with an asset
# spec first, then try the base class source URL resolver.
resolved = False
if request is not None:
# Attempt to resolve the filepath as passed (but after versioning).
# If this fails, it may be because the static route was registered
# with an asset spec. In this case, the original item may also be
# an asset spec contained therein, so try to resolve that.
for attempt in (url, item):
try:
url = request.static_url(attempt)
except ValueError:
continue
else:
resolved = True
break
if not resolved:
url = super(PyramidResolver, self).resolve_source_to_url(
url,
item
)
if env.url_expire or (
env.url_expire is None and not has_placeholder(filepath)):
url = "%s?%s" % (url, version)
return url
