ISMAIL MASSERAN
66 lines
2.1 KiB
Python
66 lines
2.1 KiB
Python
"""ReaderFactory: creates smartcard readers.
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__author__ = "gemalto https://www.gemalto.com/"
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Factory pattern implementation borrowed from
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Thinking in Python, Bruce Eckel,
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http://mindview.net/Books/TIPython
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Copyright 2001-2012 gemalto
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Author: Jean-Daniel Aussel, mailto:jean-daniel.aussel@gemalto.com
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This file is part of pyscard.
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pyscard is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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pyscard 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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with pyscard; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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"""
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import importlib
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from smartcard.pcsc.PCSCReader import PCSCReader
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class ReaderFactory:
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"""Class to create readers from reader type id."""
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factories = {}
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factorymethods = [PCSCReader.readers]
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# A Template Method:
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@staticmethod
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def createReader(clazz: str, readername: str):
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"""Static method to create a reader from a reader clazz.
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@param clazz: the reader class name
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@param readername: the reader name
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"""
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if clazz not in ReaderFactory.factories:
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module_name, _, class_name = clazz.rpartition(".")
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imported_module = importlib.import_module(module_name)
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imported_class = getattr(imported_module, class_name)
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ReaderFactory.factories[clazz] = imported_class.Factory()
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return ReaderFactory.factories[clazz].create(readername)
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@staticmethod
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def readers(groups=None):
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"""Return the list of readers"""
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if groups is None:
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groups = []
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zreaders = []
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for fm in ReaderFactory.factorymethods:
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zreaders += fm(groups)
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return zreaders
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