Pywt` _ctw`模块上的Pyinstaller ImportError

时间:2017-02-02 09:24:27

标签: python pyinstaller pywt

当使用Pyinstaller编译程序时,Pywt没有正确导入_cwt模块。我确认我的pywt根目录中存在_cwt.py(路径中的站点包中),而_cwt.pyd目录中的pywt\_extensions。我可以从Python成功导入pywt。下面是一个最小(非)工作示例,用于说明ImportError回溯。

计划pywt_test.py

# -*- coding: utf-8 -*-
try:
    import sys, traceback
    import pywt
    print pywt.__version__
except ImportError:
    type_, value_, traceback_ = sys.exc_info()
    e_msg = traceback.format_exception(type_, value_, traceback_)
    with open('pywt_error_log.txt','w') as f:
        f.write(''.join(e_msg))

Pyinstaller spec文件pywt_test.spec

 # -*- mode: python -*-

 block_cipher = None


 a = Analysis(['pywt_test.py'],
         pathex=['C:\\Users\\user', 'C:\\Users\\user'],
         binaries=[],
         datas=[],
         hiddenimports=[],
         hookspath=[],
         runtime_hooks=[],
         excludes=[],
         win_no_prefer_redirects=False,
         win_private_assemblies=False,
         cipher=block_cipher)
 pyz = PYZ(a.pure, a.zipped_data,
         cipher=block_cipher)
 exe = EXE(pyz,
      a.scripts,
      a.binaries,
      a.zipfiles,
      a.datas,
      name='pywt_test',
      debug=False,
      strip=False,
      upx=False,
      console=True)

Pyinstall编译命令:pyinstaller pywt_test.spec

命令已运行:pywt_test.exe

pywt_error_log.txt的内容:

Traceback (most recent call last):
  File "pywt_test.py", line 10, in <module>
  File "c:\users\user\appdata\local\temp\pip-build-3zvqo7\pyinstaller\PyInstaller\loader\pyimod03_importers.py", line 389, in load_module
  File "site-packages\pywt\__init__.py", line 16, in <module>
  File "c:\users\user\appdata\local\temp\pip-build-3zvqo7\pyinstaller\PyInstaller\loader\pyimod03_importers.py", line 546, in load_module
  File "pywt\_extensions\_pywt.pyx", line 1, in init pywt._extensions._pywt (pywt\_extensions\_pywt.c:32588)
 ImportError: No module named _cwt

我尝试将_cwt添加到pathex,hiddenimports等。无更改错误。

如何使用Pyinstaller加载_cwt和整个pywt包?

版本,供参考:

  • Pywt:0.5.1
  • Pyinstaller:3.2.1
  • Python:Windows 7 64bit(Anaconda)上的2.7.12 64位

2 个答案:

答案 0 :(得分:3)

只需将其添加到隐藏的导入中:

 ...
 hiddenimports=['pywt._extensions._cwt'],
 ...

答案 1 :(得分:1)

wedesoft 所述,添加隐藏的导入有效。为了避免将来出现此类错误,您可以添加文件

  

'\ PyInstaller \ hooks \ hook-pywt.py'

带有字符串:

hiddenimports=['pywt._extensions._cwt']

我只是简单地获取一个现有文件,例如'\ PyInstaller \ hooks \ hook-patsy.py',将hiddenimports行更改为上面的文件,并保存为hook-pywt.py。在您更新PyInstaller之前,它应该一直起作用。