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worker_db: support read-only mode

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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):

5
artiq/master/worker_db.py
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@ -84,13 +84,14 @@ 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
if not read_only:
self.set_parameter = pdb.set self.set_parameter = pdb.set
self.add_rt_results = rdb.add_rt_results self.add_rt_results = rdb.add_rt_results
self.get_result = rdb.request self.get_result = rdb.request