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@@ -7,8 +7,8 @@ import numpy as np
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import lxml.etree as etree
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# constants
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-MIN_DEPARTURE_TIME = 8 * 3600 # '08:00:00'
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-MAX_DEPARTURE_TIME = 9 * 3600 # '09:00:00'
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+MIN_DEPARTURE_TIME = '08:00:00'
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+MAX_DEPARTURE_TIME = '09:00:00'
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WORK_DURATION = '04:00:00'
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def read_nodes(input_network):
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@@ -18,10 +18,17 @@ def read_nodes(input_network):
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tree = etree.parse(input_network)
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return [node for node in tree.xpath("/network/nodes/node")]
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+def get_seconds(time_str):
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+ ''' returns seconds from a time string '''
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+ h, m, s = time_str.split(':')
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+ return int(h) * 3600 + int(m) * 60 + int(s)
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+
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def rand_time(low, high):
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- ''' returns a random time between low and high bounds (in seconds) '''
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- delta = np.random.randint(high - low)
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- return time.strftime('%H:%M:%S', time.gmtime(low + delta))
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+ ''' returns a random time between low and high bounds '''
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+ low_s = get_seconds(low)
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+ high_s = get_seconds(high)
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+ delta = np.random.randint(high_s - low_s)
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+ return time.strftime('%H:%M:%S', time.gmtime(low_s + delta))
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def rand_node_xy(nodes, clusters):
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''' returns a random node coordinates from a list of nodes '''
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