def _build_manifest_helper(static_dir, src_paths, static_url_prefix, manifest):
assert isinstance(src_paths, (list, tuple))
for src_path in src_paths:
# Make sure every source path at least has the skeleton entry
rel_src_path = make_relative_static_path(static_dir, src_path)
logging.info('_build_manifest_helper %s (crrent %s)', src_path, manifest.assets.get(rel_src_path))
manifest.assets.setdefault(rel_src_path, empty_asset_entry())
for dep_path in iter_deps(static_dir, src_path, static_url_prefix):
logging.info('%s > dependency %s', src_path, dep_path)
rel_path = make_relative_static_path(static_dir, dep_path)
manifest.assets[rel_src_path]['deps'].add(rel_path)
_build_manifest_helper(static_dir, [dep_path], static_url_prefix, manifest)
def _build_manifest_helper(static_dir, src_paths, static_url_prefix, manifest):
assert isinstance(src_paths, (list, tuple))
for src_path in src_paths:
# Make sure every source path at least has the skeleton entry
rel_src_path = make_relative_static_path(static_dir, src_path)
logging.info('_build_manifest_helper %s (crrent %s)', src_path,
manifest.assets.get(rel_src_path))
manifest.assets.setdefault(rel_src_path, empty_asset_entry())
for dep_path in iter_deps(static_dir, src_path, static_url_prefix):
logging.info('%s > dependency %s', src_path, dep_path)
rel_path = make_relative_static_path(static_dir, dep_path)
manifest.assets[rel_src_path]['deps'].add(rel_path)
_build_manifest_helper(static_dir, [dep_path], static_url_prefix,
manifest)
def get_current_content_hash(self, manifest):
"""Gets the md5 hash for each of the files in this manager's list of assets."""
h = hashlib.md5()
for path in self.get_paths():
relative_path = make_relative_static_path(self.settings['static_dir'], path)
assert relative_path in manifest.assets, relative_path
h.update(manifest.assets[relative_path]['version'])
return h.hexdigest()
def replacer(match):
prefix, rel_path = match.groups()
path = make_relative_static_path(static_dir, rel_path)
if path in manifest.assets:
versioned_path = manifest.assets[path]['versioned_path']
if isinstance(replacement_prefix, (list, tuple)):
prefix = get_shard_from_list(replacement_prefix, versioned_path)
else:
prefix = replacement_prefix
return prefix.rstrip('/') + '/' + versioned_path.lstrip('/')
logging.warn('Missing path %s in manifest, using %s', path, match.group(0))
return match.group(0)
def replacer(match):
prefix, rel_path = match.groups()
path = make_relative_static_path(static_dir, rel_path)
if path in manifest.assets:
versioned_path = manifest.assets[path]['versioned_path']
if isinstance(replacement_prefix, (list, tuple)):
prefix = get_shard_from_list(replacement_prefix, versioned_path)
else:
prefix = replacement_prefix
replacement_link = prefix.rstrip('/') + '/' + versioned_path.lstrip('/')
logging.info('replacing %s -> %s', path, replacement_link)
return replacement_link
logging.warn('Missing path %s in manifest, using %s', path, match.group(0))
return match.group(0)
def build_manifest(tornado_paths, django_paths, settings):
"""Recursively builds the dependency manifest for the given list of source
paths.
"""
assert isinstance(tornado_paths, (list, tuple))
assert isinstance(django_paths, (list, tuple))
paths = list(set(tornado_paths).union(set(django_paths)))
# First, parse each template to build a list of AssetCompiler instances
path_infos = [(x, 'tornado_template') for x in tornado_paths]
path_infos += [(x, 'django_template') for x in django_paths]
compilers = build_compilers(path_infos, settings)
# Add each AssetCompiler's paths to our set of paths to search for deps
paths = set(paths)
for compiler in compilers:
new_paths = compiler.get_paths()
if settings.get('verbose'):
print compiler, new_paths
paths.update(new_paths)
paths = list(paths)
# Start building the new manifest
manifest = Manifest(settings)
_build_manifest_helper(settings['static_dir'], paths,
settings['static_url_prefix'], manifest)
assert all(
make_relative_static_path(settings['static_dir'], path) in
manifest.assets for path in paths)
# Next, calculate the version hash for each entry in the manifest
for src_path in manifest.assets:
version_dependency(src_path, manifest)
# Normalize and validate the manifest
manifest.normalize()
# Update the 'blocks' section of the manifest for each asset block
for compiler in compilers:
name_hash = compiler.get_hash()
content_hash = compiler.get_current_content_hash(manifest)
manifest.blocks[name_hash] = {
'version': content_hash,
'versioned_path': content_hash + '.' + compiler.get_ext(),
}
return manifest, compilers
def build_manifest(tornado_paths, django_paths, settings):
"""Recursively builds the dependency manifest for the given list of source
paths.
"""
assert isinstance(tornado_paths, (list, tuple))
assert isinstance(django_paths, (list, tuple))
paths = list(set(tornado_paths).union(set(django_paths)))
# First, parse each template to build a list of AssetCompiler instances
path_infos = [(x, 'tornado_template') for x in tornado_paths]
path_infos += [(x, 'django_template') for x in django_paths]
compilers = build_compilers(path_infos, settings)
# Add each AssetCompiler's paths to our set of paths to search for deps
paths = set(paths)
for compiler in compilers:
new_paths = compiler.get_paths()
if settings.get('verbose'):
print compiler, new_paths
paths.update(new_paths)
paths = list(paths)
# Start building the new manifest
manifest = Manifest(settings)
_build_manifest_helper(settings['static_dir'], paths, settings['static_url_prefix'], manifest)
assert all(make_relative_static_path(settings['static_dir'], path) in manifest.assets for path in paths)
# Next, calculate the version hash for each entry in the manifest
for src_path in manifest.assets:
version_dependency(src_path, manifest)
# Normalize and validate the manifest
manifest.normalize()
# Update the 'blocks' section of the manifest for each asset block
for compiler in compilers:
name_hash = compiler.get_hash()
content_hash = compiler.get_current_content_hash(manifest)
manifest.blocks[name_hash] = {
'version': content_hash,
'versioned_path': content_hash + '.' + compiler.get_ext(),
}
return manifest, compilers