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artiq
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worker_db: support read-only mode

This commit is contained in:
Sebastien Bourdeauducq 2015-04-07 15:40:57 +08:00
parent fda4ee1a83
commit ca89b6d0ed
2 changed files with 8 additions and 7 deletions
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2
artiq/language/db.py
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@ -82,7 +82,7 @@ class AutoDB:
raise KeyError("Device '{}' not found".format(k)) raise KeyError("Device '{}' not found".format(k))
object.__setattr__(self, k, dev) object.__setattr__(self, k, dev)
self.build() self.build()
if self.dbh is not None: if self.dbh is not None and self.realtime_results:
self.dbh.add_rt_results(self.realtime_results) self.dbh.add_rt_results(self.realtime_results)
def __getattr__(self, name): def __getattr__(self, name):

13
artiq/master/worker_db.py
View File

@ -84,17 +84,18 @@ def _create_device(desc, dbh):
class DBHub: class DBHub:
"""Connects device, parameter and result databases to experiment. """Connects device, parameter and result databases to experiment.
Handle device driver creation and destruction. Handle device driver creation and destruction.
""" """
def __init__(self, ddb, pdb, rdb): def __init__(self, ddb, pdb, rdb, read_only=False):
self.ddb = ddb self.ddb = ddb
self.active_devices = OrderedDict() self.active_devices = OrderedDict()
self.get_parameter = pdb.request self.get_parameter = pdb.request
self.set_parameter = pdb.set
self.add_rt_results = rdb.add_rt_results if not read_only:
self.get_result = rdb.request self.set_parameter = pdb.set
self.set_result = rdb.set self.add_rt_results = rdb.add_rt_results
self.get_result = rdb.request
self.set_result = rdb.set
def get_device(self, name): def get_device(self, name):
if name in self.active_devices: if name in self.active_devices: