Move BPS_SEARCH_ORDER to bps_config.py

The default search order for BpsConfig was defined in submit.py, a
module implementing function responsible for run submissions.  Moved the
definition to bps_config.py as it seems like much better choice.

python/lsst/ctrl/bps/bps_config.py

@@ -23,7 +23,7 @@
 expands environment variables and other config variables.
 """
 
-__all__ = ["BpsConfig", "BpsFormatter"]
+__all__ = ["BPS_SEARCH_ORDER", "BpsConfig", "BpsFormatter"]
 
 
 from os.path import expandvars
@@ -37,6 +37,8 @@
 
 _LOG = logging.getLogger(__name__)
 
+BPS_SEARCH_ORDER = ["payload", "pipetask", "site", "bps_defined"]
+
 
 class BpsFormatter(string.Formatter):
     """String formatter class that allows BPS config search options.

python/lsst/ctrl/bps/drivers.py

@@ -45,12 +45,12 @@
 
 from lsst.obs.base import Instrument
 
-from . import BpsConfig
+from . import BPS_SEARCH_ORDER, BpsConfig
 from .bps_draw import draw_networkx_dot
 from .pre_transform import acquire_quantum_graph, cluster_quanta
 from .transform import transform
 from .prepare import prepare
-from .submit import BPS_SEARCH_ORDER, submit
+from .submit import submit
 from .cancel import cancel
 from .report import report
 

python/lsst/ctrl/bps/submit.py

@@ -25,10 +25,6 @@
 from lsst.utils import doImport
 
 
-# Config section search order
-BPS_SEARCH_ORDER = ["payload", "pipetask", "site", "bps_defined"]
-
-
 def submit(config, wms_workflow, wms_service=None):
     """Convert generic workflow to a workflow for a particular WMS.