class FeatureService(object):
@staticmethod
def get_instance():
try:
return FeatureService.__instance
except AttributeError:
current_app.logger.info('initializing feature service')
FeatureService.__instance = FeatureService()
FeatureService.__instance.load()
return FeatureService.__instance
endpoint = None
qp = None
def __init__(self, config_endpoint=CONFIG_ENDPOINT):
self.endpoint = config_endpoint
self.qp = QueryParser(['css', 'css3'], ['2d'])
def load(self, config_endpoint=None):
endpoint = config_endpoint or self.endpoint
try:
r = requests.get(endpoint)
self.parse(r.json())
return True
except requests.exceptions.RequestException as e:
current_app.logger.error(
'Error loading config for FeatureService: %r' %
e.message
)
return False
def parse(self, data):
try:
for item in data:
slug = item.get('name').split('.json')[0]
self.qp.add_valid_slug(slug)
except AttributeError as e:
current_app.logger.error(
'Error parsing config for FeatureService: %r' %
e.message
)
current_app.logger.error(e.message)
def get_feature(self, slug):
if self.qp.is_valid_slug(slug):
feature = FeatureModel(slug)
feature.load()
return feature
return None
def search(self, query):
slug = self.qp.get_slug(query)
if slug:
feature = FeatureModel(slug)
feature.load()
return feature
return None
def test_prefixes():
qp = QueryParser(['css'])
qp.add_valid_slug('css-transitions')
qp.add_valid_slug('css-boxshadow')
qp.add_valid_slug('svg-css')
assert_equal(qp.get_slug('Trans itions'), 'css-transitions')
assert_equal(qp.get_slug(' Box shadOw '), 'css-boxshadow')
assert_equal(qp.get_slug('svg css'), 'svg-css')
def __init__(self, config_endpoint=CONFIG_ENDPOINT):
self.endpoint = config_endpoint
self.qp = QueryParser(['css', 'css3'], ['2d'])
def test_minify():
qp = QueryParser(['css'])
assert_equal(qp.minify('svg-css'), 'svgcss')
def test_convert_to_slug():
qp = QueryParser()
qp.add_valid_slug('ambient-light')
qp.add_valid_slug('arrow-functions')
assert_equal(qp.get_slug('Ambient Light'), 'ambient-light')
assert_equal(qp.get_slug("arrowfunctions"), 'arrow-functions')
def test_suffix_removal():
qp = QueryParser([], ['2d'])
qp.add_valid_slug('transforms2d')
assert_equal(qp.get_slug("transforms"), "transforms2d")
def test_space_removal():
qp = QueryParser()
qp.add_valid_slug('arrow-functions')
assert_equal(qp.get_slug("arrow functions"), 'arrow-functions')
def test_hyphen_removal():
qp = QueryParser()
qp.add_valid_slug('websockets')
assert_equal(qp.get_slug('web-sockets'), 'websockets')
