我正在按照本教程构建IoTivity Base Android API:
https://wiki.iotivity.org/android_build_instructions#android_example_apps
我从这里下载了IoTivity项目:
https://iotivity.org/downloads
我正处于使用命令为Android构建IoTivity的步骤:
scons TARGET_OS=android
我得到了输出:
scons: Reading SConscript files ... LookupError: unknown encoding:
string_escape: File
"C:\Users\Darius\Downloads\iotivity-1.3.1.tar\iotivity-1.3.1\iotivity-1.3.1\SConstruct",
line 28:
SConscript('build_common/SConscript') File "c:\users\darius\appdata\local\programs\python\python37-32\lib\site-packages\scons\SCons\Script\SConscript.py",
line 667:
return method(*args, **kw) File "c:\users\darius\appdata\local\programs\python\python37-32\lib\site-packages\scons\SCons\Script\SConscript.py",
line 604:
return _SConscript(self.fs, *files, **subst_kw) File "c:\users\darius\appdata\local\programs\python\python37-32\lib\site-packages\scons\SCons\Script\SConscript.py",
line 285:
call_stack[-1].globals) File "C:\Users\Darius\Downloads\iotivity-1.3.1.tar\iotivity-1.3.1\iotivity-1.3.1\build_common\SConscript",
line 559:
user_prefix = env.get('BUILD_DIR').encode('string_escape')
我使用命令提示符在Windows机器上。
我试过这篇文章中的解决方案:
Python 2.7 : LookupError: unknown encoding: cp65001
但它没有帮助。我是Python的新手。有人可以帮忙吗?
编辑
更改为Python 2.7.16后,我现在得到此输出:
scons: Reading SConscript files ...
*********************** Error ************************
* *
* Please make sure that 7-zip is in your System PATH *
* *
******************************************************
NameError: name 'host_arch' is not defined: File
"C:\Users\Darius\Downloads\iotivity-1.3.1.tar\iotivity-1.3.1\iotivity-1.3.1\SConstruct",
line 28:
SConscript('build_common/SConscript') File "c:\python27\lib\site-packages\scons\SCons\Script\SConscript.py", line
667:
return method(*args, **kw) File "c:\python27\lib\site-packages\scons\SCons\Script\SConscript.py", line
604:
return _SConscript(self.fs, *files, **subst_kw) File "c:\python27\lib\site-packages\scons\SCons\Script\SConscript.py", line
285:
call_stack[-1].globals) File "C:\Users\Darius\Downloads\iotivity-1.3.1.tar\iotivity-1.3.1\iotivity-1.3.1\build_common\SConscript",
line 795:
env.SConscript(target_os + '/SConscript') File "c:\python27\lib\site-packages\scons\SCons\Script\SConscript.py", line
604:
return _SConscript(self.fs, *files, **subst_kw) File "c:\python27\lib\site-packages\scons\SCons\Script\SConscript.py", line
285:
call_stack[-1].globals) File "C:\Users\Darius\Downloads\iotivity-1.3.1.tar\iotivity-1.3.1\iotivity-1.3.1\build_common\android\SConscript",
line 19:
SConscript('#/extlibs/android/ndk/SConscript') File "c:\python27\lib\site-packages\scons\SCons\Script\SConscript.py", line
667:
return method(*args, **kw) File "c:\python27\lib\site-packages\scons\SCons\Script\SConscript.py", line
604:
return _SConscript(self.fs, *files, **subst_kw) File "c:\python27\lib\site-packages\scons\SCons\Script\SConscript.py", line
285:
call_stack[-1].globals) File "C:\Users\Darius\Downloads\iotivity-1.3.1.tar\iotivity-1.3.1\iotivity-1.3.1\extlibs\android\ndk\SConscript", line 24:
if host_arch in ['x86_64']:
我确实将我的7-zip文件夹路径添加到PATH
环境变量并重新启动,但我仍然收到此消息。不知道为什么它甚至需要..
看看错误,看起来iotivity正在使用string_escape,这在python 3 *下是不受支持的。
你需要安装python 2.7然后:
py -3 -mpip uninstall scons
py -2 -mpip install -U pip setuptools wheel
py -2 -mpip install scons
然后再试一次。