def fieldname_with_ucd(self, ucd):
"""
return the field name that has a given UCD value or None if the UCD
is not found.
"""
search_ucds = set(parse_ucd(ucd, has_colon=True))
for field in (field for field in self.fielddescs if field.ucd):
field_ucds = set(parse_ucd(field.ucd, has_colon=True))
if search_ucds & field_ucds:
return field.name
return None
def fieldname_with_ucd(self, ucd):
"""
return the field name that has a given UCD value or None if the UCD
is not found.
"""
search_ucds = set(parse_ucd(ucd, has_colon=True))
for field in (field for field in self.fielddescs if field.ucd):
field_ucds = set(parse_ucd(field.ucd, has_colon=True))
if search_ucds & field_ucds:
return field.name
return None
def def_ucd(word):
out = OrderedDict()
#TODO: implement 'unknown' UCD
if word is None or not word.strip():
return out
from astropy.io.votable import ucd
_nw = ucd.parse_ucd(word,check_controlled_vocabulary=True,has_colon=True)
for ns,w in _nw:
_ucd = UCDWord(w,ns)
#REVIEW: 'None' is here just to fill the hole for the time being
out[_ucd] = None
return out
def getUCD(tab):
"""Returns a list with all (valid) UCDs from a table"""
from astropy.io.votable import ucd
l1 = []
for f in tab.fields():
if not f.ucd:
continue
if not ucd.check_ucd(f.ucd):
continue
l2 = []
for u in ucd.parse_ucd(f.ucd):
_u = str(u[1])
if not _u in l1:
l2.append(_u)
l1.extend(l2)
return l1
def _def_ucd(word):
# TODO: implement 'unknown' UCD
# out = OrderedDict()
out = list()
try:
word = word.strip()
except:
# not a string...tchau!
return out
if word is None or word == '':
return out
from astropy.io.votable import ucd
_nw = ucd.parse_ucd(word,
check_controlled_vocabulary=True,
has_colon=True)
for namespace, word_ in _nw:
_ucd = UCDWord(word_, namespace)
# out[_ucd] = None
out.append(_ucd)
return out
def test_invalid_word():
with pytest.raises(ValueError):
ucd.parse_ucd("-pho")
def test_invalid_namespace():
with pytest.raises(ValueError):
ucd.parse_ucd("_ivoa:phot.mag", True, True)
def test_too_many_colons():
with pytest.raises(ValueError):
ucd.parse_ucd("ivoa:stsci:phot", True, True)
def test_check():
for s, p in examples.items():
assert ucd.parse_ucd(s, True, True) == p
assert ucd.check_ucd(s, True, True)
def test_invalid_word():
ucd.parse_ucd("-pho")
def test_invalid_namespace():
ucd.parse_ucd("_ivoa:phot.mag", True, True)
def test_too_many_colons():
ucd.parse_ucd("ivoa:stsci:phot", True, True)
