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
def test_can_write_manifest_to_path(self):
manifest = Manifest()
manifest.load(compiled_asset_path=self.TEST_MANIFEST_PATH)
#spoof a field update for now
manifest.assets['test_field'] = "hello"
manifest.write(compiled_asset_path=self.TEST_MANIFEST_PATH)
with open(self.TEST_MANIFEST_PATH + '/manifest.json',
'r') as manifest_file:
manifest_json = json.loads(manifest_file.read())
for k, v in manifest_json.items():
assert manifest._manifest.get(k) == v
def test_can_write_manifest_to_path(self):
manifest = Manifest()
manifest.load(compiled_asset_path=self.TEST_MANIFEST_PATH)
#spoof a field update for now
manifest.assets['test_field'] = "hello"
manifest.write(compiled_asset_path=self.TEST_MANIFEST_PATH)
with open(self.TEST_MANIFEST_PATH + '/manifest.json', 'r') as manifest_file:
manifest_json = json.loads(manifest_file.read())
for k, v in manifest_json.items():
assert manifest._manifest.get(k) == v
def run(settings):
if not re.match(r'^/.*?/$', settings.get('static_url_prefix')):
raise Exception(
'static_url_prefix setting must begin and end with a slash')
if not os.path.isdir(settings['compiled_asset_root']
) and not settings['test_needs_compile']:
logging.info('Creating output directory: %s',
settings['compiled_asset_root'])
os.makedirs(settings['compiled_asset_root'])
for d in settings['tornado_template_dirs'] + settings[
'django_template_dirs']:
if not os.path.isdir(d):
raise Exception('Template directory not found: %r', d)
if not os.path.isdir(settings['static_dir']):
raise Exception('Static directory not found: %r',
settings['static_dir'])
# Find all the templates we need to parse
tornado_paths = list(
iter_template_paths(settings['tornado_template_dirs'],
settings['template_extension']))
django_paths = list(
iter_template_paths(settings['django_template_dirs'],
settings['template_extension']))
logging.debug('found %d tornado and %d django template paths',
len(tornado_paths), len(django_paths))
if not tornado_paths and not django_paths:
logging.warn("No templates found")
# Load the current manifest and generate a new one
cached_manifest = Manifest(settings).load()
try:
current_manifest, compilers = build_manifest(tornado_paths,
django_paths, settings)
except ParseError, e:
src_path, msg = e.args
logging.error('Error parsing template %s', src_path)
logging.error(msg)
raise Exception
def get_manifest(self):
if not self._manifest:
self._manifest = Manifest(self.settings).load()
return self._manifest
def test_can_get_manifest_path_from_asset_path(self):
manifest = Manifest()
path = manifest.get_path(self.TEST_MANIFEST_PATH)
assert "tests/manifest.json" in path
def test_can_open_manifest_path_from_settings(self):
settings = Settings(compiled_asset_root=self.TEST_MANIFEST_PATH)
manifest = Manifest(settings)
path = manifest.get_path()
assert "tests/manifest.json" in path
def test_can_load_manifest_from_settings(self):
settings = Settings(compiled_asset_root=self.TEST_MANIFEST_PATH)
manifest = Manifest(settings).load()
assert manifest
assert manifest.blocks.keys()
def test_can_load_manifest_from_asset_path(self):
manifest = Manifest().load(self.TEST_MANIFEST_PATH)
assert manifest
assert manifest.blocks.keys()
def test_can_get_manifest_path_from_asset_path(self):
manifest = Manifest()
path = manifest.get_path(self.TEST_MANIFEST_PATH)
assert "tests/manifest.json" in path
def test_can_open_manifest_path_from_settings(self):
settings = Settings(compiled_asset_root=self.TEST_MANIFEST_PATH)
manifest = Manifest(settings)
path = manifest.get_path()
assert "tests/manifest.json" in path
