reformatted code to pep8 convention
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@ -6,16 +6,12 @@
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This application takes its input from a database, currently in the form of an sql dump, but it could easily be adapted to read directly from a mysql database
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'''
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import sqlite3
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import os
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import re
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import sys
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import pygraphviz
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from inventory import Inventory
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from SimpaDbUtil import SqlFile, SqlDatabaseReader
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def add_capacity_constraints(capacity1, capacity2):
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"""
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combines 2 capacity constraints (max amperes) together
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@ -32,6 +28,7 @@ def add_capacity_constraints(capacity1, capacity2):
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else:
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return min(capacity1, capacity2)
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class Machine(object):
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"""
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represents a device with input and output power plugs. It could represent a power consumer such as a server (in which case, it has no output plug), or a power distrubtion unit (in which case, it has one input plug and more than one output plugs), or even something else...
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@ -45,7 +42,7 @@ class Machine(object):
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self.power_consumption = 0.0
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def get_plug(self, plug_name):
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plugs = {'i': self.input_plugs, 'o':self.output_plugs}[plug_name[0]]
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plugs = {'i': self.input_plugs, 'o': self.output_plugs}[plug_name[0]]
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if plug_name not in plugs:
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plugs[plug_name] = Plug(plug_name, self, self.power_config)
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return plugs[plug_name]
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@ -54,7 +51,7 @@ class Machine(object):
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capacity = None
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if len(self.input_plugs) > 0:
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capacity = self.input_plugs.values()[0].get_max_amperes()
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capacity = add_capacity_constraints (capacity, self.current_capacity_constraint)
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capacity = add_capacity_constraints(capacity, self.current_capacity_constraint)
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return capacity
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def get_outgoing_connections(self):
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@ -104,15 +101,15 @@ class Plug(object):
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in_con = self.get_incoming_connection()
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if in_con:
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# apply incoming connection amperes limitation
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capacity = add_capacity_constraints (capacity, in_con.get_max_amperes())
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capacity = add_capacity_constraints(capacity, in_con.get_max_amperes())
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# print(str(self)+ 'after incoming connection amperes limitation, capacity = ' + str(capacity))
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else:
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# apply the machine containing this plug's amperes limitation
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capacity = add_capacity_constraints (capacity, self.machine.get_max_amperes())
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capacity = add_capacity_constraints(capacity, self.machine.get_max_amperes())
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# print(str(self)+'apply the machine containing this plug s amperes limitation, capacity = ' + str(capacity))
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# apply this plug's amperes limitation
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capacity = add_capacity_constraints (capacity, self.current_capacity_constraint)
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capacity = add_capacity_constraints(capacity, self.current_capacity_constraint)
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# print(str(self)+'after apply this plug s amperes limitation, capacity = ' + str(capacity))
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return capacity
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@ -140,7 +137,7 @@ class Connection(object):
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def get_max_amperes(self):
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capacity = self.from_plug.get_max_amperes()
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capacity = add_capacity_constraints (capacity, self.to_plug.current_capacity_constraint)
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capacity = add_capacity_constraints(capacity, self.to_plug.current_capacity_constraint)
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if self.current_capacity_constraint is not None:
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capacity = min(capacity, self.current_capacity_constraint)
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return capacity
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@ -179,7 +176,7 @@ class PowerConfig(object):
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rows = inventory.query("SELECT * FROM machine_to_power")
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for row in rows:
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(to_plug_as_str, from_plug_as_str, powercordid)=row
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(to_plug_as_str, from_plug_as_str, powercordid) = row
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if to_plug_as_str != '':
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conn = self._add_connection(from_plug_as_str, to_plug_as_str)
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for plug in (conn.from_plug, conn.to_plug):
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@ -192,7 +189,7 @@ class PowerConfig(object):
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for row in rows:
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# print row
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# ('ups1_o1', 16.0),
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(to_plug_as_str, max_amps_as_str)=row
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(to_plug_as_str, max_amps_as_str) = row
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to_plug = self._get_plug(to_plug_as_str)
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to_plug.set_current_capacity_constraint(float(max_amps_as_str))
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@ -211,7 +208,6 @@ class PowerConfig(object):
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if power_consumption is not None:
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machine.power_consumption = power_consumption
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def get_connection_to(self, to_plug):
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for connection in self.connections:
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if connection.to_plug == to_plug:
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@ -226,7 +222,7 @@ class PowerConfig(object):
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def _get_plug(self, plug_as_str):
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elements = plug_as_str.split('_')
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plug_name = elements[-1]
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machine_name = plug_as_str[0:-(len(plug_name)+1)]
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machine_name = plug_as_str[0:-(len(plug_name) + 1)]
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machine = self._get_machine(machine_name)
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return machine.get_plug(plug_name)
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@ -244,56 +240,55 @@ class PowerConfig(object):
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return s
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def power_config_to_svg( power_config, svg_file_path ):
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def power_config_to_svg(power_config, svg_file_path):
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"""
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creates a svg diagram representing the input power configuration
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:param PowerConfig power_config: the input power config
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"""
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graph = pygraphviz.AGraph()
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graph.graph_attr['overlap']='false'
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graph.graph_attr['splines']='true'
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graph.graph_attr['overlap'] = 'false'
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graph.graph_attr['splines'] = 'true'
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graph.edge_attr['colorscheme']='rdylgn9' # 'brbg11'
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graph.node_attr['shape']='box'
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graph.node_attr['height']=0.3 # default 0.5 inches
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graph.node_attr['fontname']='Helvetica' # default : Times-Roman
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graph.edge_attr['fontsize']=10 # default : 14 pt
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graph.edge_attr['len']=1.5 # default : 1.0
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graph.edge_attr['colorscheme'] = 'rdylgn9' # 'brbg11'
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graph.node_attr['shape'] = 'box'
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graph.node_attr['height'] = 0.3 # default 0.5 inches
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graph.node_attr['fontname'] = 'Helvetica' # default : Times-Roman
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graph.edge_attr['fontsize'] = 10 # default : 14 pt
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graph.edge_attr['len'] = 1.5 # default : 1.0
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def hotness_to_hsv_color(hotness):
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"""
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:param float hotness: temperature of the wire ratio (0.0 : cold -> 1.0 : hot)
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"""
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clamped_hotness = max(min(hotness, 1.0), 0.0)
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return "%f, 1.0, 0.8" % ((1.0-clamped_hotness)*0.33)
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return "%f, 1.0, 0.8" % ((1.0 - clamped_hotness) * 0.33)
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#graph.add_node('a')
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#graph.add_node('b')
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#graph.add_edge(u'a',u'b',color='blue')
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#graph.add_edge(u'b',u'a',color='blue')
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# graph.add_node('a')
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# graph.add_node('b')
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# graph.add_edge(u'a',u'b',color='blue')
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# graph.add_edge(u'b',u'a',color='blue')
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for con in power_config.connections:
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# print(con.from_plug.machine.name, con.to_plug.machine.name)
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if not con.is_redundancy_cable(): # don't display redundancy cables, as they might overlap and hide the main one
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power_consumption = con.get_power_consumption()
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amperes = power_consumption/220.0
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color='green'
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amperes = power_consumption / 220.0
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color = 'green'
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capacity = con.get_max_amperes()
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if capacity == None:
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if capacity is None:
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label = '?'
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else:
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label = str(capacity) + 'A'
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if amperes/capacity > 1.0:
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color='red'
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elif amperes/capacity > 0.75:
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color='orange'
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if amperes / capacity > 1.0:
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color = 'red'
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elif amperes / capacity > 0.75:
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color = 'orange'
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else:
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color='green'
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color = 'green'
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label = "%.1f/%s" % (amperes, label)
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#color='//%d' % int(9.0-amperes/capacity*8)
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# color='//%d' % int(9.0-amperes/capacity*8)
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color = hotness_to_hsv_color(pow(amperes/capacity, 4.0))
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graph.add_edge(con.from_plug.machine.name, con.to_plug.machine.name, color=color, label=label, penwidth=capacity*0.25)
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color = hotness_to_hsv_color(pow(amperes / capacity, 4.0))
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graph.add_edge(con.from_plug.machine.name, con.to_plug.machine.name, color=color, label=label, penwidth=capacity * 0.25)
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graph.layout(prog='twopi')
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graph.draw(svg_file_path)
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