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#!/usr/bin/env python
import sys
import time
from optparse import OptionParser
from ceres import CeresTree, getTree
parser = OptionParser(usage='''%prog [options] <path> <datapoint> [datapoint]+
If --tree is specified, <path> is taken as a node path
Otherwise <path> is taken as a filesystem path
Each datapoint is of the form <timestamp>:<value> where <timestamp> may
be a UNIX epoch time or the character 'N' to indicate 'now'.
''')
parser.add_option('--tree', default=None)
options, args = parser.parse_args()
if not args:
parser.print_usage()
sys.exit(1)
if options.tree:
nodePath = args[0]
tree = CeresTree(options.tree)
else:
fsPath = args[0]
tree = getTree(fsPath)
if not tree:
print "error: %s is not in a ceres tree" % fsPath
sys.exit(1)
nodePath = tree.getNodePath(fsPath)
datapoints = []
now = time.time()
for datapoint in args[1:]:
timestamp, value = datapoint.split(':', 1)
if timestamp == 'N':
timestamp = now
else:
timestamp = float(timestamp)
value = float(value)
datapoints.append( (timestamp, value) )
datapoints.sort()
if not args:
print "error: no datapoints specified"
parser.print_usage()
sys.exit(1)
node = tree.getNode(nodePath)
node.write(datapoints)
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