20728839540

Committed 05 Jan 2026 08:53PM UTC coverage: 67.469%. Remained the same

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Merge pull request #247 from LudovicRousseau/pre-commit-ci-update-config

[pre-commit.ci] pre-commit autoupdate

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/src/smartcard/pcsc/PCSCExceptions.py

"""Smartcard module exceptions.

This module defines the exceptions raised by the smartcard.pcsc modules.

__author__ = "https://www.gemalto.com/"

Copyright 2001-2012 gemalto
Author: Jean-Daniel Aussel, mailto:jean-daniel.aussel@gemalto.com

This file is part of pyscard.

pyscard is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

pyscard 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with pyscard; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
"""

# gemalto scard library
import smartcard.scard


class BaseSCardException(Exception):
    """Base class for scard (aka PCSC) exceptions.

    scard exceptions are raised by the scard module, i.e.
    low-level PCSC access to readers and cards.

    """

    def __init__(self, *args, hresult=-1, message=""):
        """Constructor that stores the pcsc error status."""
        if not message:
            message = "scard exception"
        if -1 == hresult and len(args) > 0:
            hresult = args[0]
            args = args[1:]
        super().__init__(message, *args)
        self.message = message
        self.hresult = hresult

    def __str__(self):
        """Returns a string representation of the exception."""
        text = super().__str__()
        if self.hresult != -1:
            hresult = self.hresult
            if hresult < 0:
                # convert 0x-7FEFFFE3 into 0x8010001D
                hresult += 0x100000000
            text += f": {smartcard.scard.SCardGetErrorMessage(self.hresult)} (0x{hresult:08X})"
        return text


class AddReaderToGroupException(BaseSCardException):
    """Raised when scard fails to add a new reader to a PCSC reader group."""

    def __init__(self, hresult, readername="", groupname=""):
        super().__init__(
            message="Failed to add reader: " + readername + " to group: " + groupname,
            hresult=hresult,
        )
        self.readername = readername
        self.groupname = groupname


class EstablishContextException(BaseSCardException):
    """Raised when scard failed to establish context with PCSC."""

    def __init__(self, hresult):
        super().__init__(message="Failed to establish context", hresult=hresult)


class ListReadersException(BaseSCardException):
    """Raised when scard failed to list readers."""

    def __init__(self, hresult):
        super().__init__(message="Failed to list readers", hresult=hresult)


class IntroduceReaderException(BaseSCardException):
    """Raised when scard fails to introduce a new reader to PCSC."""

    def __init__(self, hresult, readername=""):
        super().__init__(
            message="Failed to introduce a new reader: " + readername, hresult=hresult
        )
        self.readername = readername


class ReleaseContextException(BaseSCardException):
    """Raised when scard failed to release PCSC context."""

    def __init__(self, hresult):
        super().__init__(message="Failed to release context", hresult=hresult)


class RemoveReaderFromGroupException(BaseSCardException):
    """Raised when scard fails to remove a reader from a PCSC reader group."""

    def __init__(self, hresult, readername="", groupname=""):
        BaseSCardException.__init__(self, hresult)
        self.readername = readername
        self.groupname = groupname
        super().__init__(
            message="Failed to remove reader: "
            + readername
            + " from group: "
            + groupname,
            hresult=hresult,
        )


if __name__ == "__main__":
    try:
        raise EstablishContextException(smartcard.scard.SCARD_E_NO_MEMORY)
    except BaseSCardException as exc:
        print(exc)

1	"""Smartcard module exceptions.
2
3	This module defines the exceptions raised by the smartcard.pcsc modules.
4
5	__author__ = "https://www.gemalto.com/"
6
7	Copyright 2001-2012 gemalto
8	Author: Jean-Daniel Aussel, mailto:jean-daniel.aussel@gemalto.com
9
10	This file is part of pyscard.
11
12	pyscard is free software; you can redistribute it and/or modify
13	it under the terms of the GNU Lesser General Public License as published by
14	the Free Software Foundation; either version 2.1 of the License, or
15	(at your option) any later version.
16
17	pyscard is distributed in the hope that it will be useful,
18	but WITHOUT ANY WARRANTY; without even the implied warranty of
19	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20	GNU Lesser General Public License for more details.
21
22	You should have received a copy of the GNU Lesser General Public License
23	along with pyscard; if not, write to the Free Software
24	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
25	"""
26
27	# gemalto scard library
28	import smartcard.scard	24✔
29
30
31	class BaseSCardException(Exception):	24✔
32	"""Base class for scard (aka PCSC) exceptions.
33
34	scard exceptions are raised by the scard module, i.e.
35	low-level PCSC access to readers and cards.
36
37	"""
38
39	def __init__(self, *args, hresult=-1, message=""):	24✔
40	"""Constructor that stores the pcsc error status."""
41	if not message:	24✔
42	message = "scard exception"	24✔
43	if -1 == hresult and len(args) > 0:	24✔
44	hresult = args[0]	24✔
45	args = args[1:]	24✔
46	super().__init__(message, *args)	24✔
47	self.message = message	24✔
48	self.hresult = hresult	24✔
49
50	def __str__(self):	24✔
51	"""Returns a string representation of the exception."""
52	text = super().__str__()	24✔
53	if self.hresult != -1:	24✔
54	hresult = self.hresult	24✔
55	if hresult < 0:	24✔
56	# convert 0x-7FEFFFE3 into 0x8010001D
57	hresult += 0x100000000	19✔
58	text += f": {smartcard.scard.SCardGetErrorMessage(self.hresult)} (0x{hresult:08X})"	24✔
59	return text	24✔
60
61
62	class AddReaderToGroupException(BaseSCardException):	24✔
63	"""Raised when scard fails to add a new reader to a PCSC reader group."""
64
65	def __init__(self, hresult, readername="", groupname=""):	24✔
66	super().__init__(	24✔
67	message="Failed to add reader: " + readername + " to group: " + groupname,
68	hresult=hresult,
69	)
70	self.readername = readername	24✔
71	self.groupname = groupname	24✔
72
73
74	class EstablishContextException(BaseSCardException):	24✔
75	"""Raised when scard failed to establish context with PCSC."""
76
77	def __init__(self, hresult):	24✔
78	super().__init__(message="Failed to establish context", hresult=hresult)	24✔
79
80
81	class ListReadersException(BaseSCardException):	24✔
82	"""Raised when scard failed to list readers."""
83
84	def __init__(self, hresult):	24✔
85	super().__init__(message="Failed to list readers", hresult=hresult)	24✔
86
87
88	class IntroduceReaderException(BaseSCardException):	24✔
89	"""Raised when scard fails to introduce a new reader to PCSC."""
90
91	def __init__(self, hresult, readername=""):	24✔
92	super().__init__(	24✔
93	message="Failed to introduce a new reader: " + readername, hresult=hresult
94	)
95	self.readername = readername	24✔
96
97
98	class ReleaseContextException(BaseSCardException):	24✔
99	"""Raised when scard failed to release PCSC context."""
100
101	def __init__(self, hresult):	24✔
102	super().__init__(message="Failed to release context", hresult=hresult)	24✔
103
104
105	class RemoveReaderFromGroupException(BaseSCardException):	24✔
106	"""Raised when scard fails to remove a reader from a PCSC reader group."""
107
108	def __init__(self, hresult, readername="", groupname=""):	24✔
109	BaseSCardException.__init__(self, hresult)	24✔
110	self.readername = readername	24✔
111	self.groupname = groupname	24✔
112	super().__init__(	24✔
113	message="Failed to remove reader: "
114	+ readername
115	+ " from group: "
116	+ groupname,
117	hresult=hresult,
118	)
119
120
121	if __name__ == "__main__":	24✔
122	try:	×
123	raise EstablishContextException(smartcard.scard.SCARD_E_NO_MEMORY)	×
124	except BaseSCardException as exc:	×
125	print(exc)	×

LudovicRousseau / pyscard / 20728839540

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