def test_dict_adddel():
from intake.catalog.base import Catalog
entry = LocalCatalogEntry(name='trial', description='get this back',
driver='csv')
cat = Catalog.from_dict({'trial': entry}, name='mycat')
assert 'trial' in cat
cat['trial2'] = entry
assert list(cat) == ['trial', 'trial2']
cat.pop('trial')
assert list(cat) == ['trial2']
assert cat['trial2'] is entry
def test_filter():
from intake.catalog.base import Catalog
entry1 = LocalCatalogEntry(name='trial', description='get this back',
driver='csv')
entry2 = LocalCatalogEntry(name='trial', description='pass this through',
driver='csv')
cat = Catalog.from_dict({'trial1': entry1,
'trial2': entry2}, name='mycat')
cat2 = cat.filter(lambda e: 'pass' in e._description)
assert list(cat2) == ['trial2']
assert cat2.trial2 is entry2
def get(self, **user_parameters):
"""Instantiate the NestedCatalogEntry"""
if not self._default_source:
self._default_source = Catalog.from_dict(
entries=self.entries,
name=self.name,
metadata=self.metadata,
description=self.description,
**user_parameters)
self._default_source.cat = self._catalog
self._default_source.catalog_object = self._catalog
return self._default_source
def test_dict_save():
from intake.catalog.base import Catalog
fn = os.path.join(tempfile.mkdtemp(), 'mycat.yaml')
entry = LocalCatalogEntry(name='trial', description='get this back',
driver='csv')
cat = Catalog.from_dict({'trial': entry}, name='mycat')
cat.save(fn)
cat2 = open_catalog(fn)
assert 'trial' in cat2
assert cat2.name == 'mycat'
assert cat2.trial._driver =='csv'
