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####################################################################################################
#
# Patro - A Python library to make patterns for fashion design
# Copyright (C) 2019 Fabrice Salvaire
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
####################################################################################################
"""Module to query the platform for features.
"""
# Look alternative Python package
####################################################################################################
from enum import Enum, auto
import os
import platform
import sys
####################################################################################################
class PlatformType(Enum):
Linux = auto()
Windows = auto()
OSX = auto()
####################################################################################################
class Platform:
"""Class to store platform properties"""
##############################################
def __init__(self):
self.python_version = platform.python_version()
self.os = self._get_os()
self.node = platform.node()
# deprecated in 3.8 see distro package
# self.distribution = ' '.join(platform.dist())
self.machine = platform.machine()
self.architecture = platform.architecture()[0]
# CPU
self.cpu = self._get_cpu()
self.number_of_cores = self._get_number_of_cores()
self.cpu_khz = self._get_cpu_khz()
self.cpu_mhz = int(self._get_cpu_khz()/float(1000)) # rint
# RAM
self.memory_size_kb = self._get_memory_size_kb()
self.memory_size_mb = int(self.memory_size_kb/float(1024)) # rint
##############################################
def _get_os(self):
if os.name in ('nt',):
return PlatformType.Windows
elif sys.platform in ('linux',):
return PlatformType.Linux
# Fixme:
# elif sys.platform in 'osx':
# return PlatformType.OSX
else:
raise RuntimeError('unknown platform: {} / {}'.format(os.name, sys.platform))
##############################################
def _get_cpu(self):
if self.os == PlatformType.Linux:
with open('/proc/cpuinfo', 'rt') as cpuinfo:
for line in cpuinfo:
if 'model name' in line:
s = line.split(':')[1]
return s.strip().rstrip()
elif self.os == PlatformType.Windows:
raise NotImplementedError
##############################################
def _get_number_of_cores(self):
if self.os == PlatformType.Linux:
number_of_cores = 0
with open('/proc/cpuinfo', 'rt') as cpuinfo:
for line in cpuinfo:
if 'processor' in line:
number_of_cores += 1
return number_of_cores
elif self.os == PlatformType.Windows:
return int(os.getenv('NUMBER_OF_PROCESSORS'))
##############################################
def _get_cpu_khz(self):
if self.os == PlatformType.Linux:
with open('/proc/cpuinfo', 'rt') as cpuinfo:
for line in cpuinfo:
if 'cpu MHz' in line:
s = line.split(':')[1]
return int(1000 * float(s))
if self.os == PlatformType.Windows:
raise NotImplementedError
##############################################
def _get_memory_size_kb(self):
if self.os == PlatformType.Linux:
with open('/proc/meminfo', 'rt') as cpuinfo:
for line in cpuinfo:
if 'MemTotal' in line:
s = line.split(':')[1][:-3]
return int(s)
if self.os == PlatformType.Windows:
raise NotImplementedError
##############################################
def __str__(self):
str_template = '''
Platform {0.node}
Hardware:
Machine: {0.machine}
Architecture: {0.architecture}
CPU: {0.cpu}
Number of Cores: {0.number_of_cores}
CPU Frequence: {0.cpu_mhz} MHz
Memory: {0.memory_size_mb} MB
Python: {0.python_version}
'''
return str_template.format(self)
####################################################################################################
class QtPlatform(Platform):
"""Class to store Qt platform properties"""
##############################################
def __init__(self):
super().__init__()
# Fixme: QT_VERSION_STR ...
from PyQt5 import QtCore, QtWidgets
# from QtShim import QtCore, QtWidgets
self.qt_version = QtCore.QT_VERSION_STR
self.pyqt_version = QtCore.PYQT_VERSION_STR
# Screen
# try:
# application = QtWidgets.QApplication.instance()
# self.desktop = application.desktop()
# self.number_of_screens = self.desktop.screenCount()
# except:
# self.desktop = None
# self.number_of_screens = 0
# for i in range(self.number_of_screens):
# self.screens.append(Screen(self, i))
try:
application = QtWidgets.QApplication.instance()
self.screens = [Screen(screen) for screen in application.screens()]
except:
self.screens = []
# OpenGL
self.gl_renderer = None
self.gl_version = None
self.gl_vendor = None
self.gl_extensions = None
##############################################
@property
def number_of_screens(self):
return len(self.screens)
##############################################
def query_opengl(self):
import OpenGL.GL as GL
self.gl_renderer = GL.glGetString(GL.GL_RENDERER)
self.gl_version = GL.glGetString(GL.GL_VERSION)
self.gl_vendor = GL.glGetString(GL.GL_VENDOR)
self.gl_extensions = GL.glGetString(GL.GL_EXTENSIONS)
##############################################
def __str__(self):
# str_template = '''
# OpenGL
# Render: {0.gl_renderer}
# Version: {0.gl_version}
# Vendor: {0.gl_vendor}
# Number of Screens: {0.number_of_screens}
# '''
# message += str_template.format(self)
message = super().__str__()
for screen in self.screens:
message += str(screen)
str_template = '''
Software Versions:
Qt: {0.qt_version}
PyQt: {0.pyqt_version}
'''
message += str_template.format(self)
return message
####################################################################################################
class Screen:
"""Class to store screen properties"""
##############################################
# def __init__(self, platform_obj, screen_id):
def __init__(self, qt_screen):
# self.screen_id = screen_id
# qt_screen_geometry = platform_obj.desktop.screenGeometry(screen_id)
# self.screen_width, self.screen_height = qt_screen_geometry.width(), qt_screen_geometry.height()
# widget = platform_obj.desktop.screen(screen_id)
# self.dpi = widget.physicalDpiX(), widget.physicalDpiY()
## qt_available_geometry = self.desktop.availableGeometry(screen_id)
self.name = qt_screen.name()
size = qt_screen.size()
self.screen_width, self.screen_height = size.width(), size.height()
self.dpi = qt_screen.physicalDotsPerInch()
self.dpi_x = qt_screen.physicalDotsPerInchX()
self.dpi_y = qt_screen.physicalDotsPerInchY()
##############################################
def __str__(self):
str_template = """
Screen {0.name}
geometry {0.screen_width}x{0.screen_height} px
resolution {0.dpi:.2f} dpi
"""
return str_template.format(self)