reformatted code to pep8 convention
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inventory.py
78
inventory.py
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@ -1,15 +1,11 @@
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# encoding: utf-8
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import sys
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import os
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import re
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import datetime
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from SimpaDbUtil import SqlDatabaseReader, SqlFile
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class Inventory( object ):
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class Inventory(object):
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def __init__(self, sql_reader):
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"""
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:param SqlDatabaseReader sql_reader: the inventory database
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:param SimpaDbUtil.SqlDatabaseReader sql_reader: the inventory database
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"""
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super(Inventory, self).__init__()
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self._sql_reader = sql_reader
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@ -21,30 +17,34 @@ class Inventory( object ):
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'''
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returns the serial number of the given machine
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'''
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machine_serial_number = self._sql_reader.get_table_attr( 'machines', 'name', machine_name, 'serial_number' )
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machine_serial_number = self._sql_reader.get_table_attr('machines', 'name', machine_name, 'serial_number')
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return machine_serial_number
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def get_machine_name(self, machine_serial_number):
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'''
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returns the user-friendly name of the given machine
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'''
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machine_name = self._sql_reader.get_table_attr( 'machines', 'serial_number', machine_serial_number, 'name' )
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machine_name = self._sql_reader.get_table_attr('machines', 'serial_number', machine_serial_number, 'name')
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return machine_name
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def machine_name_to_machine_spec_id(self, machine_name ):
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machine_spec_id = self._sql_reader.get_table_attr( 'machines', 'name', machine_name, 'machine_spec_id' )
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def machine_name_to_machine_spec_id(self, machine_name):
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# machine_spec_id = None
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# try:
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machine_spec_id = self._sql_reader.get_table_attr('machines', 'name', machine_name, 'machine_spec_id')
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# except:
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# machine_spec_id = None
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return machine_spec_id
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# electricity related methods
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def machine_spec_id_to_power_consumption(self, machine_spec_id ):
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power_consumption = self._sql_reader.get_table_attr( 'machine_spec_to_power_consumption', 'machine_spec_id', machine_spec_id, 'power_consumption' )
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def machine_spec_id_to_power_consumption(self, machine_spec_id):
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power_consumption = self._sql_reader.get_table_attr('machine_spec_to_power_consumption', 'machine_spec_id', machine_spec_id, 'power_consumption')
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return power_consumption
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def get_plug_type_attr(self, plug_type, attr_name):
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# INSERT INTO `powerplug_type_desc` (`plug_type_id`, `genre`, `max_amps`) VALUES
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# ('iec60309_blue_pne6h_32a_m', 'm', 32.0),
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attr_value = self._sql_reader.get_table_attr('powerplug_type_desc', 'plug_type_id', plug_type, attr_name )
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attr_value = self._sql_reader.get_table_attr('powerplug_type_desc', 'plug_type_id', plug_type, attr_name)
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return attr_value
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def read_plug_capacity(self, plug):
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@ -59,7 +59,7 @@ class Inventory( object ):
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# print('plug_type : %s' % plug_type)
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plug_capacity = self.get_plug_type_attr(plug_type, 'max_amps')
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#if plug_capacity:
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# if plug_capacity:
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# print('plug_capacity : %f A' % plug_capacity)
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# print("read_plug_capacity : plug capacity for plug.machine.name="+plug.machine.name+" plug="+str(plug)+" : "+ str(plug_capacity)+ "A")
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return plug_capacity
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@ -67,13 +67,13 @@ class Inventory( object ):
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# cluster related methods
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def get_machine_purchase_date(self, machine_id):
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ordering_id = self._sql_reader.get_table_attr( 'machines', 'name', machine_id, 'command_id' )
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ordering_id = self._sql_reader.get_table_attr('machines', 'name', machine_id, 'command_id')
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# print(ordering_id)
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# handle case of multiple orders
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ordering_id = ordering_id.split('+')[0]
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if len(ordering_id) == 0:
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return None
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ordering_date_as_str = self._sql_reader.get_table_attr( 'orderings', 'ordering_id', ordering_id, 'ordering_date' )
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ordering_date_as_str = self._sql_reader.get_table_attr('orderings', 'ordering_id', ordering_id, 'ordering_date')
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if ordering_date_as_str is None:
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return None
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if len(ordering_date_as_str) == 0:
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@ -81,40 +81,39 @@ class Inventory( object ):
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ordering_date = datetime.datetime.strptime(ordering_date_as_str, '%d/%m/%Y')
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return ordering_date
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def get_cpu_dflops(self, cpu_model):
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'''
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returns the number of double precision operation per second this cpu can achieve
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'''
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#INSERT INTO `cpu_specs` (`cpu_model`, `num_cores`, `clock_speed`, `dflops_per_core_per_cycle`, `comment`) VALUES
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#('intel_xeon_x5550', 4, 2.67, 4, ''),
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num_cores = int(self._sql_reader.get_table_attr( 'cpu_specs', 'cpu_model', cpu_model, 'num_cores' ))
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clock_speed = float(self._sql_reader.get_table_attr( 'cpu_specs', 'cpu_model', cpu_model, 'clock_speed' )) * 1.e9
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dflops_per_core_per_cycle = int(self._sql_reader.get_table_attr('cpu_specs', 'cpu_model', cpu_model, 'dflops_per_core_per_cycle' ))
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# INSERT INTO `cpu_specs` (`cpu_model`, `num_cores`, `clock_speed`, `dflops_per_core_per_cycle`, `comment`) VALUES
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# ('intel_xeon_x5550', 4, 2.67, 4, ''),
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num_cores = int(self._sql_reader.get_table_attr('cpu_specs', 'cpu_model', cpu_model, 'num_cores'))
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clock_speed = float(self._sql_reader.get_table_attr('cpu_specs', 'cpu_model', cpu_model, 'clock_speed')) * 1.e9
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dflops_per_core_per_cycle = int(self._sql_reader.get_table_attr('cpu_specs', 'cpu_model', cpu_model, 'dflops_per_core_per_cycle'))
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# print(num_cores, clock_speed, dflops_per_core_per_cycle)
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return clock_speed * dflops_per_core_per_cycle * num_cores
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def get_num_cpus(self, computer_name):
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return int(self._sql_reader.get_table_attr( 'computer_to_cpu', 'computer_id', computer_name, 'num_cpu' ))
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return int(self._sql_reader.get_table_attr('computer_to_cpu', 'computer_id', computer_name, 'num_cpu'))
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def get_cpu_model(self, computer_name):
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return self._sql_reader.get_table_attr( 'computer_to_cpu', 'computer_id', computer_name, 'cpu_model' )
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return self._sql_reader.get_table_attr('computer_to_cpu', 'computer_id', computer_name, 'cpu_model')
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def get_cpu_frequency(self, computer_name):
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cpu_model = self._sql_reader.get_table_attr( 'computer_to_cpu', 'computer_id', computer_name, 'cpu_model' )
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return float(self._sql_reader.get_table_attr( 'cpu_specs', 'cpu_model', cpu_model, 'clock_speed' ))
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cpu_model = self._sql_reader.get_table_attr('computer_to_cpu', 'computer_id', computer_name, 'cpu_model')
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return float(self._sql_reader.get_table_attr('cpu_specs', 'cpu_model', cpu_model, 'clock_speed'))
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def get_computer_dflops(self, computer_name):
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# print(computer_serial_number)
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num_cpus = int(self._sql_reader.get_table_attr( 'computer_to_cpu', 'computer_id', computer_name, 'num_cpu' ))
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cpu_model = self._sql_reader.get_table_attr( 'computer_to_cpu', 'computer_id', computer_name, 'cpu_model' )
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flops = num_cpus * self.get_cpu_dflops( cpu_model )
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num_cpus = int(self._sql_reader.get_table_attr( 'computer_to_cpu', 'computer_id', computer_name, 'num_cpu'))
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cpu_model = self._sql_reader.get_table_attr('computer_to_cpu', 'computer_id', computer_name, 'cpu_model')
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flops = num_cpus * self.get_cpu_dflops(cpu_model)
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return flops
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def get_computer_options_price(self, computer_name):
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options_price = 0.0
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if computer_name == 'simpatix58' or computer_name == 'simpatix59':
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return 7675.0 / 4 * 2 # each of these computers has 2 nvidia fermi C2050 gpus
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return 7675.0 / 4 * 2 # each of these computers has 2 nvidia fermi C2050 gpus
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return options_price
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def get_item_container(self, item_id):
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@ -133,8 +132,8 @@ class Inventory( object ):
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:param str item_id: the identifier of an inventory item (a machine (eg simpa-switch002), a group of machines (ceph), etc.)
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:return float: the price of the item exluding taxes
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"""
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item_price = self._sql_reader.get_table_attr( 'machines', 'name', item_id, 'price_ex_vat' )
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if item_price == None:
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item_price = self._sql_reader.get_table_attr('machines', 'name', item_id, 'price_ex_vat')
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if item_price is None:
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item_price = 0.0
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else:
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item_price = float(item_price)
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@ -151,25 +150,24 @@ class Inventory( object ):
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for row in rows:
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part_id = row[0]
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item_price += self.get_item_price(part_id, include_contents, include_maintenance)
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#print(u'price of %s : %.2f € HT' % (item_id, item_price))
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# print(u'price of %s : %.2f € HT' % (item_id, item_price))
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return item_price
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def get_item_ownership(self, item_id):
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ownership=[]
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ownership = []
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rows = self._sql_reader.query("SELECT * FROM ownership WHERE machine_id='%s'" % item_id)
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for row in rows:
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(machine_id, owner, owner_ratio, comment)=row
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ownership.append({'owner':owner, 'owner_ratio':owner_ratio})
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(machine_id, owner, owner_ratio, comment) = row # @UnusedVariable
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ownership.append({'owner': owner, 'owner_ratio': owner_ratio})
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return ownership
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def get_item_use(self, item_id):
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ownership=[]
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ownership = []
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rows = self._sql_reader.query("SELECT * FROM machine_users")
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for row in rows:
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(machine_id, user, user_ratio, comment)=row
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(machine_id, user, user_ratio, comment) = row # @UnusedVariable
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if machine_id == item_id:
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ownership.append({'user':user, 'user_ratio':user_ratio})
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ownership.append({'user': user, 'user_ratio': user_ratio})
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return ownership
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