def delete(self, name, rev):
'''
Removes a record.
'''
with self.session as session:
query = session.query(AliasRecord)
query = query.filter(AliasRecord.name == name)
try:
record = query.one()
except NoResultFound as err:
raise NoRecordFound('no record found')
except MultipleResultsFound as err:
raise MultipleRecordsFound('multiple records found')
if rev != record.rev:
raise RevisionMismatch('revision mismatch')
session.delete(record)
def delete(self, name, rev=None):
"""
Removes a record.
"""
with self.session as session:
query = session.query(AliasRecord)
query = query.filter(AliasRecord.name == name)
try:
record = query.one()
except NoResultFound as err:
raise NoRecordFound("no record found")
except MultipleResultsFound as err:
raise MultipleRecordsFound("multiple records found")
if rev is not None and rev != record.rev:
raise RevisionMismatch("revision mismatch")
session.delete(record)
def upsert(self,
name,
rev=None,
size=None,
hashes={},
release=None,
metastring=None,
host_authorities=[],
keeper_authority=None):
'''
Updates or inserts a new record.
'''
with self.session as session:
query = session.query(AliasRecord)
query = query.filter(AliasRecord.name == name)
try:
record = query.one()
except NoResultFound as err:
record = AliasRecord()
except MultipleResultsFound as err:
raise MultipleRecordsFound('multiple records found')
record.name = name
if record.rev and rev != record.rev:
raise RevisionMismatch('revision mismatch')
if size is not None:
record.size = size
if hashes is not None:
record.hashes = [
AliasRecordHash(
name=record,
hash_type=h,
hash_value=v,
) for h, v in hashes.items()
]
if release is not None:
record.release = release
if metastring is not None:
record.metastring = metastring
if host_authorities is not None:
record.host_authorities = [
AliasRecordHostAuthority(
name=name,
host=host,
) for host in host_authorities
]
if keeper_authority is not None:
record.keeper_authority = keeper_authority
record.rev = str(uuid.uuid4())[:8]
session.add(record)
return record.name, record.rev