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"""!
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@brief Wrapper for CCORE library (part of this project).
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@authors Andrei Novikov ([email protected])
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@date 2014-2018
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@copyright GNU Public License
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@cond GNU_PUBLIC_LICENSE
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PyClustering is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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PyClustering is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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@endcond
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"""
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import os;
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import sys;
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from ctypes import *;
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from pyclustering.core.definitions import *;
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ccore_library_instance = None;
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class ccore_library:
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__library = None;
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__workable = False;
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__initialized = False;
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@staticmethod
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def get():
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if (not ccore_library.__library):
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ccore_library.initialize();
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return ccore_library.__library;
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@staticmethod
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def workable():
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if (not ccore_library.__initialized):
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ccore_library.get();
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return ccore_library.__workable;
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@staticmethod
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def initialize():
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ccore_library.__initialized = True;
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if (PATH_PYCLUSTERING_CCORE_LIBRARY is None):
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print("The pyclustering core is not supported for platform '" + sys.platform + "' (" + platform.architecture()[0] + ").\n" +
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"Please, contact to '[email protected]'.");
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return None;
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if (os.path.exists(PATH_PYCLUSTERING_CCORE_LIBRARY) is False):
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print("The pyclustering core is not found (expected core location: '" + PATH_PYCLUSTERING_CCORE_LIBRARY + "').\n" +
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"Probably library has not been successfully installed ('" + sys.platform + "', '" + platform.architecture()[0] + "').\n" +
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"Please, contact to '[email protected]'.");
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return None;
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ccore_library.__library = cdll.LoadLibrary(PATH_PYCLUSTERING_CCORE_LIBRARY);
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if (ccore_library.__check_library_integrity() is False):
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print("Impossible to mark core as workable due to compitability troubles " +
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"('" + sys.platform + "', '" + platform.architecture()[0] + "').\n" +
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"Please, contact to '[email protected]'");
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return None;
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return ccore_library.__library;
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@staticmethod
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def __check_library_integrity():
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try:
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ccore_library.__library.get_interface_description.restype = c_char_p;
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result = ccore_library.__library.get_interface_description();
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if (len(result) > 0):
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ccore_library.__workable = True;
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return True;
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except:
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ccore_library.__workable = False;
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return False;
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annoviko /
pyclustering
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