def pv_multiple_stream(database, var):
# Get the list of IDs for the var name
IDs = postgres_api.pv_internal(database, ret_id=var, front_end_abort=True)
# get the configs for each ID
configs, starts, ends, toggles, downloads = [], [], [], [], []
for ID in IDs:
configs.append(
postgres_api.pv_meta_internal(database, ID, front_end_abort=True))
starts.append("start-" + str(ID))
ends.append("end-" + str(ID))
toggles.append("toggle-" + str(ID))
downloads.append("download-" + str(ID))
# print config
render_args = {
"var": var,
"IDs": IDs,
"configs": configs,
"starts": starts,
"ends": ends,
"toggles": toggles,
"downloads": downloads,
"database": database
}
return render_template('common/pv_multiple_stream.html', **render_args)
def build_data_browser_tree(checked=None):
# get the redis instance names
redis_names = [
] #name for name,_ in app.config["REDIS_INSTANCES"].items()]
# and the postgres isntance names
postgres_names = [name for name in app.config["EPICS_INSTANCES"]]
# build all of the trees
trees = [postgres_api.pv_internal(name, front_end_abort=True) for name in postgres_names if postgres_api.is_valid_connection(name)] \
+ [online_metrics.build_link_tree(name, front_end_abort=True) for name in redis_names]
# wrap them up at a top level
tree_dict = {
"text": "Data Browser",
"expanded": True,
"nodes": trees,
"displayCheckbox": False,
}
# pre-check some instances
if checked is None:
checked = []
for c in checked:
database_type, database, ID = c
# do a DFS down the nodes
stack = [tree_dict]
while len(stack) > 0:
vertex = stack.pop()
if "nodes" in vertex:
stack = stack + vertex["nodes"]
elif "ID" in vertex and "database" in vertex and "database_type" in vertex:
if vertex["ID"] == ID and vertex[
"database"] == database and vertex[
"database_type"] == database_type:
vertex["state"] = {"checked": True}
# if we've found the vertex, we can exit the search
break
return tree_dict
def pvTree(connection):
return render_template('common/pvTree.html',
data=postgres_api.pv_internal(connection,
"pv_single_stream",
front_end_abort=True))