Bug 2120 - ajouter des stats sur l'évolution du cluster
- the cluster evolution graphs are now displayed on the intranet : - I had to make python graphing code handle debian 7 version of matplotlib; this was rather painful) - I had to handle the case where the default matplotlib backend doesn't work (because of no display)
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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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import numpy as np
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# fix to prevent the following error when run from www-data
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# Failed to create /var/www/.matplotlib; consider setting MPLCONFIGDIR to a writable directory for matplotlib configuration data
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# root@intranet:~# echo ~www-data
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# /var/www
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os.environ['MPLCONFIGDIR'] = "/tmp/cluster_stats"
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import matplotlib
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# fix to TclError at /cluster/ClusterEvolution/
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# no display name and no $DISPLAY environment variable
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# https://matplotlib.org/tutorials/introductory/usage.html#what-is-a-backend
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r = os.system('python -c "import matplotlib.pyplot as plt;plt.figure()"')
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if r != 0:
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matplotlib.use('Agg') # use Anti Grain Geometry backend for non-interactive rendering into pngs, svg, etc...
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import matplotlib.pyplot as plt
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#import matplotlib.pyplot as plt
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import matplotlib.dates
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import abc
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from SimpaDbUtil import SqlDatabaseReader, SqlFile
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from inventory import Inventory
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def get_investment_over_time(time_value, price, purchase_time):
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percent_decay_per_day = 0.0 # 1.0/(7.0*365.0)
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f1 = (purchase_time-time_value)*percent_decay_per_day+1.0
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f2 = np.where( f1 < 0.0, 0.0, f1 )
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f3 = np.where( time_value < purchase_time, 0.0, f2 )
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return f3 * price
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def get_flops_over_time(inventory, time_value, computer_serial_number, purchase_time):
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"""
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:param Inventory inventory:
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"""
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return np.where( time_value < purchase_time, 0.0, inventory.get_computer_dflops(computer_serial_number) )
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def get_flops_price_over_time(inventory, time_value):
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"""
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:param Inventory inventory: the inventory database
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"""
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rows = inventory.query("SELECT * FROM machines")
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def get_key(item):
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return item['time']
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flops_prices = []
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for row in rows:
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(name, serial_number, affectation, machine_spec_id, command_id, price_ex_vat, pos_x, pos_y, pos_z, inv_number)=row
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is_cluster_node = re.match('^simpatix[0-9]+$', name)
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if is_cluster_node:
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purchase_date = inventory.get_machine_purchase_date(serial_number)
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if purchase_date is not None:
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# print(name, price_ex_vat)
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purchase_time = matplotlib.dates.date2num(purchase_date.date())
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computer_flops = inventory.get_computer_dflops(serial_number )
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flops_price = ( price_ex_vat-inventory.get_computer_options_price(name) ) / computer_flops
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# print ( purchase_date, name, price_ex_vat, computer_flops, flops_price )
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flops_prices.append({'time':purchase_time, 'flops_price':flops_price, 'purchase_date':purchase_date})
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flops_prices = sorted(flops_prices, key=get_key)
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flops_price_over_time = np.where( True, 0.0, 0.0 )
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for item in flops_prices:
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# print(item)
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flops_price_over_time = np.where( time_value < item['time'], flops_price_over_time, item['flops_price'])
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return flops_price_over_time
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def get_computer_value_over_time(inventory, computer_serial_number, time_value, flops_price_over_time, purchase_time):
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# print('flops_price_over_time = ', flops_price_over_time)
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computer_flops = inventory.get_computer_dflops(computer_serial_number)
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computer_flops_over_time = np.where(time_value < purchase_time, 0.0, computer_flops)
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computer_value_over_time = computer_flops_over_time * flops_price_over_time
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return computer_value_over_time
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# def stackplot(ax, x_signal, y_signals):
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# """
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# :param matplotlib.Axes ax:
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# :param numpy.array x_signal:
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# :param dict(str,numpy.array) y_signals:
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# """
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# # matplot 1.1.1 doesn't have the stackplot method in Axes
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# if 'toto_stackplot' in dir(ax):
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# ax.stackplot(x_signal, list(y_signals.itervalues()) )
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# plt.legend(list(y_signals.keys()))
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# else:
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# colors = ['blue', 'orange', 'green', 'purple', 'yellow']
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# # emulating missing Axes.stackplot method
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# y = np.row_stack(list(y_signals.itervalues()))
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# # this call to 'cumsum' (cumulative sum), passing in your y data,
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# # is necessary to avoid having to manually order the datasets
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# y_stack = np.cumsum(y, axis=0) # a 3x10 array
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# for series_index in range(len(y_signals)):
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# if series_index == 0:
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# from_signal = 0
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# else:
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# from_signal = y_stack[series_index-1,:]
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# ax.fill_between(x_signal, from_signal, y_stack[series_index,:], color=colors[series_index], lw=0.0, label=y_signals.keys()[series_index])
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# plt.legend()
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def stackplot(ax, x_signal, y_signals):
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"""
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:param matplotlib.Axes ax:
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:param numpy.array x_signal:
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:param dict(str,numpy.array) y_signals:
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"""
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if 'stackplot' in dir(ax):
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ax.stackplot(x_signal, list(y_signals.itervalues()) )
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plt.legend(list(y_signals.keys()))
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else:
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# emulating missing Axes.stackplot method
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colors = ['blue', 'orange', 'green', 'purple', 'yellow']
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y = np.row_stack(list(y_signals.itervalues()))
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# this call to 'cumsum' (cumulative sum), passing in your y data,
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# is necessary to avoid having to manually order the datasets
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y_stack = np.cumsum(y, axis=0) # a 3x10 array
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for series_index in range(len(y_signals)):
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if series_index == 0:
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from_signal = 0
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else:
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from_signal = y_stack[series_index-1,:]
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ax.fill_between(x_signal, from_signal, y_stack[series_index,:], color=colors[series_index], lw=0.0)
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p = plt.Rectangle((0, 0), 0, 0, color=colors[series_index])
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ax.add_patch(p)
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plt.legend(list(y_signals.keys()))
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def draw_cluster_value_over_time_graph(inventory, from_date, to_date, graph_type):
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time_value = matplotlib.dates.drange(dstart=from_date, dend=to_date, delta=datetime.timedelta(days=1))
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flops_price_over_time = get_flops_price_over_time(inventory, time_value)
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cluster_value = {}
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rows = inventory.query("SELECT * FROM machines")
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for row in rows:
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(name, serial_number, affectation, machine_spec_id, command_id, price_ex_vat, pos_x, pos_y, pos_z, inv_number)=row
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is_cluster_node = re.match('^simpatix[0-9]+$', name)
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if is_cluster_node:
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purchase_date = inventory.get_machine_purchase_date(serial_number)
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if purchase_date is not None:
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# print(name, price_ex_vat)
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purchase_time = matplotlib.dates.date2num(purchase_date.date())
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item_value_over_time = {
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'cluster_cost_over_time':get_investment_over_time(time_value, price_ex_vat, purchase_time),
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'cluster_value_over_time':get_computer_value_over_time(inventory, serial_number, time_value, flops_price_over_time, purchase_time),
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'cluster_dp_gflops_over_time':get_flops_over_time(inventory, time_value, serial_number, purchase_time)}[graph_type]
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for ownership in inventory.get_item_ownership(serial_number):
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# print(ownership)
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# print(ownership['owner'], ownership['owner_ratio'])
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owner = ownership['owner']
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owner_dept = owner.split('.')[1]
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# if owner_dept == 'matnano':
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# print(name, owner, purchase_date, price_ex_vat)
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if owner_dept in cluster_value.keys():
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cluster_value[owner_dept] += item_value_over_time
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else:
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cluster_value[owner_dept] = np.zeros_like(time_value)
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# print(purchase_date)
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# print(type(from_date))
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# print(type(to_date))
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# X = np.linspace(-np.pi, np.pi, 256, endpoint=True)
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# C,S = np.cos(X), np.sin(X)
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fig, ax = plt.subplots()
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ax.set_title(graph_type)
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#for dept, cluster_value_for_dept in cluster_value.iteritems():
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# ax.plot(time_value, cluster_value_for_dept)
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stackplot( ax, time_value, cluster_value)
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plt.xlabel('time')
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plt.ylabel(
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{'cluster_cost_over_time':u'cluster investment (€)',
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'cluster_value_over_time':u'cluster value (€)',
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'cluster_dp_gflops_over_time':u'double prec gflops'}[graph_type])
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years = matplotlib.dates.YearLocator() # every year
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months = matplotlib.dates.MonthLocator() # every month
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yearsFmt = matplotlib.dates.DateFormatter('%Y')
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# format the ticks
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ax.xaxis.set_major_locator(years)
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ax.xaxis.set_major_formatter(yearsFmt)
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ax.xaxis.set_minor_locator(months)
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datemin = datetime.date(from_date.year, 1, 1)
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datemax = datetime.date(to_date.year + 1, 1, 1)
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ax.set_xlim(datemin, datemax)
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# rotates and right aligns the x labels, and moves the bottom of the
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# axes up to make room for them
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# fig.autofmt_xdate()
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ax.grid(True)
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#plt.plot()
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# plt.plot(X,S)
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return fig
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def draw_dp_gflops_price_over_time_over_time_graph(inventory, from_date, to_date):
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"""
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:param Inventory inventory: the inventory database
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:param datetime from_time:
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:param datetime to_time:
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"""
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time_value = matplotlib.dates.drange(dstart=from_date, dend=to_date, delta=datetime.timedelta(days=1))
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flops_price_over_time = get_flops_price_over_time(inventory, time_value)
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fig, ax = plt.subplots()
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ax.set_yscale('log')
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ax.plot(time_value, flops_price_over_time)
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ax.set_xlabel('time')
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ax.set_ylabel(u'double precision flops price (€/gflops)')
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ax.set_title('gflops_price_over_time')
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years = matplotlib.dates.YearLocator() # every year
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months = matplotlib.dates.MonthLocator() # every month
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yearsFmt = matplotlib.dates.DateFormatter('%Y')
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# format the ticks
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ax.xaxis.set_major_locator(years)
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ax.xaxis.set_major_formatter(yearsFmt)
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ax.xaxis.set_minor_locator(months)
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ax.grid(True)
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return fig
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class IFigureHandler(object):
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"""
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specifies what to do with generated figures
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"""
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@abc.abstractmethod
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def on_figure_ended(self, fig):
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"""
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:param matplotlib.Figure fig:
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"""
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pass
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@abc.abstractmethod
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def on_finalize(self):
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"""
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called after all figures have been created
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"""
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pass
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class ScreenFigureHandler(IFigureHandler):
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"""
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displays figures on screen
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"""
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def __init__(self):
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pass
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def on_figure_ended(self, fig):
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pass
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def on_finalize(self):
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plt.show()
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class SvgFigureHandler(IFigureHandler):
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"""
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saves figures as svg files
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"""
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def __init__(self):
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pass
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def __init__(self, out_svg_dir_path):
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"""
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:param str out_svg_dir_path: where to save the svg files
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"""
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self._out_svg_dir_path = out_svg_dir_path
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def on_figure_ended(self, fig):
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fig.savefig(self._out_svg_dir_path + '/' + fig.axes[0].get_title() + '.svg')
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def on_finalize(self):
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pass
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def draw_graphs(inventory, from_time, to_time, figure_handler):
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"""
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:param Inventory inventory: the inventory database
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:param datetime from_time:
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:param datetime to_time:
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:param IFigureHandler figure_handler:
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"""
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fig = draw_cluster_value_over_time_graph(inventory, from_time.date(), to_time.date(), 'cluster_value_over_time')
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figure_handler.on_figure_ended(fig)
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fig = draw_cluster_value_over_time_graph(inventory, from_time.date(), to_time.date(), 'cluster_dp_gflops_over_time')
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figure_handler.on_figure_ended(fig)
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fig = draw_cluster_value_over_time_graph(inventory, from_time.date(), to_time.date(), 'cluster_cost_over_time')
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figure_handler.on_figure_ended(fig)
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fig = draw_dp_gflops_price_over_time_over_time_graph(inventory, from_time.date(), to_time.date())
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figure_handler.on_figure_ended(fig)
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figure_handler.on_finalize()
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@ -3,7 +3,6 @@ import sys
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import os
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import re
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import datetime
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import numpy as np
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from SimpaDbUtil import SqlDatabaseReader, SqlFile
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