cython编码报错
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cython编码报错
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問題描述:
appleyuchi@Ubuntu16:~/桌面/test$ cython fib.py --embed
Traceback (most recent call last):? File "/usr/bin/cython", line 8, in <module>
? ? main(command_line = 1)
? File "/usr/lib/python2.7/dist-packages/Cython/Compiler/Main.py", line 704, in main
? ? result = compile(sources, options)
? File "/usr/lib/python2.7/dist-packages/Cython/Compiler/Main.py", line 679, in compile
? ? return compile_multiple(source, options)
? File "/usr/lib/python2.7/dist-packages/Cython/Compiler/Main.py", line 657, in compile_multiple
? ? result = run_pipeline(source, options, context=context)
? File "/usr/lib/python2.7/dist-packages/Cython/Compiler/Main.py", line 487, in run_pipeline
? ? err, enddata = Pipeline.run_pipeline(pipeline, source)
? File "/usr/lib/python2.7/dist-packages/Cython/Compiler/Pipeline.py", line 328, in run_pipeline
? ? data = phase(data)
? File "/usr/lib/python2.7/dist-packages/Cython/Compiler/Pipeline.py", line 53, in generate_pyx_code_stage
? ? module_node.process_implementation(options, result)
? File "/usr/lib/python2.7/dist-packages/Cython/Compiler/ModuleNode.py", line 118, in process_implementation
? ? self.generate_c_code(env, options, result)
? File "/usr/lib/python2.7/dist-packages/Cython/Compiler/ModuleNode.py", line 352, in generate_c_code
? ? self.generate_filename_table(globalstate['filename_table'])
? File "/usr/lib/python2.7/dist-packages/Cython/Compiler/ModuleNode.py", line 709, in generate_filename_table
? ? if root_path.startswith(workdir):
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe6 in position 17: ordinal not in range(128)
下面是問題重現,代碼來自:
https://www.cnblogs.com/yafengabc/p/6130849.html
這個博客中的fib.py如下:
import sys reload(sys) sys.setdefaultencoding('utf8') import timedef fib(n):if n==0:return 0if n==1:return 1return fib(n-1)+fib(n-2) t=time.time() print(fib(10)) print(time.time()-t)使用python fib.py能直接出結果
但是使用cython fib.py --embed
就會報告上面的錯誤。
此時在fib.py最上面加入
import sys reload(sys) sys.setdefaultencoding('utf8')會發現報錯依舊。下面是正確的解決方案:
在/usr/lib/python2.7/dist-packages/Cython/Compiler路徑下的
Pipeline.py
Main.py
ModuleNode.py
三個文件的開頭(root權限下操作)的
from __future__ import absolute_import
這句話的下面加入下面三行即可。
import sys
reload(sys)
sys.setdefaultencoding('utf8')
也就是說,這個報錯,其實是cython庫的報錯,并不是fib.py的報錯。
總結
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