23158179538

Committed 16 Mar 2026 05:39PM UTC coverage: 84.356% (+0.2%) from 84.191%

Build # 23158179538

Build Type

push

github

Committed by

saitoha

Commit Message

ci: fallback emscripten coverage capture to gcovr

Run Details

27866 of 63178 branches covered (44.11%)

52362 of 62073 relevant lines covered (84.36%)

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81.25

/python/libsixel/decoder.py

#!/usr/bin/env python
#
# Copyright (c) 2014-2016 Hayaki Saito
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of
# this software and associated documentation files (the "Software"), to deal in
# the Software without restriction, including without limitation the rights to
# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
# the Software, and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#

from . import _sixel
from libsixel_wheel import *

class Decoder(object):

    def __init__(self):
        self._decoder = sixel_decoder_new()
        self._closed = False

    def close(self):
        if self._closed:
            return

        sixel_decoder_unref(self._decoder)
        self._closed = True

    def __enter__(self):
        return self

    def __exit__(self, exc_type, exc_value, traceback):
        self.close()

    def __del__(self):
        try:
            self.close()
        except Exception:
            # Avoid raising from __del__ to keep interpreter shutdown quiet.
            pass

    def setopt(self, flag, arg=None):
        """Set decoder options mirroring the sixel2png CLI flags.

        The dequantizer switch understands the Kornel preset shown
        below so callers can enable palette reconstruction explicitly:

            +-------------+---------------------------+
            | k_undither  | Kornel's undither filter  |
            +-------------+---------------------------+

        Pass the string as ``arg`` alongside the ``'d'`` flag to
        activate the smoothing step during decode.
        """
        if self._closed:
            raise RuntimeError("decoder has been closed")
        sixel_decoder_setopt(self._decoder, flag, arg)

    def decode(self, infile=None):
        if self._closed:
            raise RuntimeError("decoder has been closed")
        sixel_decoder_decode(self._decoder, infile)


if __name__ == '__main__':
    import sys
    arg2 = "-" if len(sys.argv) < 3 else sys.argv[2]
    Decoder().test(arg1, arg2)

1	#!/usr/bin/env python
2	#
3	# Copyright (c) 2014-2016 Hayaki Saito
4	#
5	# Permission is hereby granted, free of charge, to any person obtaining a copy of
6	# this software and associated documentation files (the "Software"), to deal in
7	# the Software without restriction, including without limitation the rights to
8	# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
9	# the Software, and to permit persons to whom the Software is furnished to do so,
10	# subject to the following conditions:
11	#
12	# The above copyright notice and this permission notice shall be included in all
13	# copies or substantial portions of the Software.
14	#
15	# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16	# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
17	# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
18	# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
19	# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20	# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21	#
22
23	from . import _sixel	4✔
24	from libsixel_wheel import *	4✔
25
26	class Decoder(object):	4✔
27
28	def __init__(self):	4✔
29	self._decoder = sixel_decoder_new()	4✔
30	self._closed = False	4✔
31
32	def close(self):	4✔
33	if self._closed:	4✔
34	return	4✔
35
36	sixel_decoder_unref(self._decoder)	4✔
37	self._closed = True	4✔
38
39	def __enter__(self):	4✔
40	return self	4✔
41
42	def __exit__(self, exc_type, exc_value, traceback):	4✔
43	self.close()	4✔
44
45	def __del__(self):	4✔
46	try:	4✔
47	self.close()	4✔
48	except Exception:	×
49	# Avoid raising from __del__ to keep interpreter shutdown quiet.
50	pass	×
51
52	def setopt(self, flag, arg=None):	4✔
53	"""Set decoder options mirroring the sixel2png CLI flags.
54
55	The dequantizer switch understands the Kornel preset shown
56	below so callers can enable palette reconstruction explicitly:
57
58	+-------------+---------------------------+
59	\| k_undither \| Kornel's undither filter \|
60	+-------------+---------------------------+
61
62	Pass the string as ``arg`` alongside the ``'d'`` flag to
63	activate the smoothing step during decode.
64	"""
65	if self._closed:	4✔
66	raise RuntimeError("decoder has been closed")	4✔
67	sixel_decoder_setopt(self._decoder, flag, arg)	4✔
68
69	def decode(self, infile=None):	4✔
70	if self._closed:	4✔
71	raise RuntimeError("decoder has been closed")	×
72	sixel_decoder_decode(self._decoder, infile)	4✔
73
74
75	if __name__ == '__main__':	4✔
76	import sys	×
77	arg2 = "-" if len(sys.argv) < 3 else sys.argv[2]	×
78	Decoder().test(arg1, arg2)	×

saitoha / libsixel / 23158179538

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