def DeleteArtifact(self, name, cursor=None):
"""Deletes an artifact with given name from the database."""
cursor.execute("DELETE FROM artifacts WHERE name = %s", [name])
if cursor.rowcount == 0:
raise db.UnknownArtifactError(name)
def ReadArtifact(self, name):
"""Looks up an artifact with given name from the database."""
try:
artifact = self.artifacts[name]
except KeyError:
raise db.UnknownArtifactError(name)
return artifact.Copy()
def ReadArtifact(self, name, cursor=None):
"""Looks up an artifact with given name from the database."""
cursor.execute("SELECT definition FROM artifacts WHERE name = %s",
[name])
row = cursor.fetchone()
if row is None:
raise db.UnknownArtifactError(name)
else:
return _RowToArtifact(row)
def DeleteArtifact(self, name):
"""Deletes an artifact with given name from the database."""
try:
del self.artifacts[name]
except KeyError:
raise db.UnknownArtifactError(name)