之前已经安装过了，但这个错误又出现了
sudo apt-get install libzbar-dev
安装 Zbar 时出现此错误
pip3 install zbar
错误
Building wheel for zbar (setup.py) ... error
ERROR: Command errored out with exit status 1:
command: /usr/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-07_tun3x/zbar_ee181338cecb48f9bdc1dbc37504ffdd/setup.py'"'"'; __file__='"'"'/tmp/pip-install-07_tun3x/zbar_ee181338cecb48f9bdc1dbc37504ffdd/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /tmp/pip-wheel-d6wmsk5m
cwd: /tmp/pip-install-07_tun3x/zbar_ee181338cecb48f9bdc1dbc37504ffdd/
Complete output (55 lines):
running bdist_wheel
running build
running build_ext
building 'zbar' extension
creating build
creating build/temp.linux-x86_64-3.8
x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -c zbarmodule.c -o build/temp.linux-x86_64-3.8/zbarmodule.o
In file included from zbarmodule.c:24:
zbarmodule.h:42:5: error: unknown type name ‘PyIntObject’
42 | PyIntObject val; /* integer value is super type */
| ^~~~~~~~~~~
zbarmodule.c: In function ‘version’:
zbarmodule.c:66:5: error: too few arguments to function ‘zbar_version’
66 | zbar_version(&major, &minor);
| ^~~~~~~~~~~~
In file included from zbarmodule.h:26,
from zbarmodule.c:24:
/usr/include/zbar.h:269:12: note: declared here
269 | extern int zbar_version(unsigned *major,
| ^~~~~~~~~~~~
zbarmodule.c: In function ‘initzbar’:
zbarmodule.c:112:9: warning: ‘return’ with no value, in function returning non-void [-Wreturn-type]
112 | return;
| ^~~~~~
zbarmodule.c:106:1: note: declared here
106 | initzbar (void)
| ^~~~~~~~
zbarmodule.c:115:34: error: ‘PyInt_Type’ undeclared (first use in this function); did you mean ‘PySet_Type’?
115 | zbarEnumItem_Type.tp_base = &PyInt_Type;
| ^~~~~~~~~~
| PySet_Type
zbarmodule.c:115:34: note: each undeclared identifier is reported only once for each function it appears in
zbarmodule.c:129:9: warning: ‘return’ with no value, in function returning non-void [-Wreturn-type]
129 | return;
| ^~~~~~
zbarmodule.c:106:1: note: declared here
106 | initzbar (void)
| ^~~~~~~~
zbarmodule.c:137:13: warning: ‘return’ with no value, in function returning non-void [-Wreturn-type]
137 | return;
| ^~~~~~
zbarmodule.c:106:1: note: declared here
106 | initzbar (void)
| ^~~~~~~~
zbarmodule.c:146:21: warning: implicit declaration of function ‘Py_InitModule’ [-Wimplicit-function-declaration]
146 | PyObject *mod = Py_InitModule("zbar", zbar_functions);
| ^~~~~~~~~~~~~
zbarmodule.c:146:21: warning: initialization of ‘PyObject *’ {aka ‘struct _object *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
zbarmodule.c:148:9: warning: ‘return’ with no value, in function returning non-void [-Wreturn-type]
148 | return;
| ^~~~~~
zbarmodule.c:106:1: note: declared here
106 | initzbar (void)
| ^~~~~~~~
error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
----------------------------------------
ERROR: Failed building wheel for zbar
Running setup.py clean for zbar
Successfully built pypng qrtools
Failed to build zbar
Installing collected packages: zbar, qrtools, pypng
Running setup.py install for zbar ... error
ERROR: Command errored out with exit status 1:
command: /usr/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-07_tun3x/zbar_ee181338cecb48f9bdc1dbc37504ffdd/setup.py'"'"'; __file__='"'"'/tmp/pip-install-07_tun3x/zbar_ee181338cecb48f9bdc1dbc37504ffdd/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-188bdnav/install-record.txt --single-version-externally-managed --compile --install-headers /usr/local/include/python3.8/zbar
cwd: /tmp/pip-install-07_tun3x/zbar_ee181338cecb48f9bdc1dbc37504ffdd/
Complete output (55 lines):
running install
running build
running build_ext
building 'zbar' extension
creating build
creating build/temp.linux-x86_64-3.8
x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.8 -c zbarmodule.c -o build/temp.linux-x86_64-3.8/zbarmodule.o
In file included from zbarmodule.c:24:
zbarmodule.h:42:5: error: unknown type name ‘PyIntObject’
42 | PyIntObject val; /* integer value is super type */
| ^~~~~~~~~~~
zbarmodule.c: In function ‘version’:
zbarmodule.c:66:5: error: too few arguments to function ‘zbar_version’
66 | zbar_version(&major, &minor);
| ^~~~~~~~~~~~
In file included from zbarmodule.h:26,
from zbarmodule.c:24:
/usr/include/zbar.h:269:12: note: declared here
269 | extern int zbar_version(unsigned *major,
| ^~~~~~~~~~~~
zbarmodule.c: In function ‘initzbar’:
zbarmodule.c:112:9: warning: ‘return’ with no value, in function returning non-void [-Wreturn-type]
112 | return;
| ^~~~~~
zbarmodule.c:106:1: note: declared here
106 | initzbar (void)
| ^~~~~~~~
zbarmodule.c:115:34: error: ‘PyInt_Type’ undeclared (first use in this function); did you mean ‘PySet_Type’?
115 | zbarEnumItem_Type.tp_base = &PyInt_Type;
| ^~~~~~~~~~
| PySet_Type
zbarmodule.c:115:34: note: each undeclared identifier is reported only once for each function it appears in
zbarmodule.c:129:9: warning: ‘return’ with no value, in function returning non-void [-Wreturn-type]
129 | return;
| ^~~~~~
zbarmodule.c:106:1: note: declared here
106 | initzbar (void)
| ^~~~~~~~
zbarmodule.c:137:13: warning: ‘return’ with no value, in function returning non-void [-Wreturn-type]
137 | return;
| ^~~~~~
zbarmodule.c:106:1: note: declared here
106 | initzbar (void)
| ^~~~~~~~
zbarmodule.c:146:21: warning: implicit declaration of function ‘Py_InitModule’ [-Wimplicit-function-declaration]
146 | PyObject *mod = Py_InitModule("zbar", zbar_functions);
| ^~~~~~~~~~~~~
zbarmodule.c:146:21: warning: initialization of ‘PyObject *’ {aka ‘struct _object *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
zbarmodule.c:148:9: warning: ‘return’ with no value, in function returning non-void [-Wreturn-type]
148 | return;
| ^~~~~~
zbarmodule.c:106:1: note: declared here
106 | initzbar (void)
| ^~~~~~~~
error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
----------------------------------------
ERROR: Command errored out with exit status 1: /usr/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-07_tun3x/zbar_ee181338cecb48f9bdc1dbc37504ffdd/setup.py'"'"'; __file__='"'"'/tmp/pip-install-07_tun3x/zbar_ee181338cecb48f9bdc1dbc37504ffdd/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-188bdnav/install-record.txt --single-version-externally-managed --compile --install-headers /usr/local/include/python3.8/zbar Check the logs for full command output.
答案1
尝试一下，对于 pyhon3
sudo apt install python3-zbar
对于 python2
sudo apt install python-zbar
答案2
或者，使用灯箱，zbar 的简单包装器。在 GitHub 上，最后一次提交来自 2020 年（zbar-py 为 2019 年），有 156 颗星（zbar-py 为 80 颗）。