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python - 使用模块查找器时出现 Python UnicodeDecodeError

问题描述

我想在 python 程序中找到所有导入的模块。我正在使用modulefinder标准模块来完成我的工作。我正在尝试在文档上遵循此示例，但即使我使用与文档相同的代码，我也会收到此错误：

Traceback (most recent call last):
  File "C:\Users\Dinçel\Desktop\Deploy\zipperutils\find modules.py", line 4, in <module>
    finder.run_script('bacon.py')
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 165, in run_script
    self.load_module('__main__', fp, pathname, stuff)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 360, in load_module
    self.scan_code(co, m)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 433, in scan_code
    self._safe_import_hook(name, m, fromlist, level=0)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 378, in _safe_import_hook
    self.import_hook(name, caller, level=level)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 177, in import_hook
    q, tail = self.find_head_package(parent, name)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 233, in find_head_package
    q = self.import_module(head, qname, parent)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 326, in import_module
    m = self.load_module(fqname, fp, pathname, stuff)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 360, in load_module
    self.scan_code(co, m)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 433, in scan_code
    self._safe_import_hook(name, m, fromlist, level=0)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 378, in _safe_import_hook
    self.import_hook(name, caller, level=level)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 177, in import_hook
    q, tail = self.find_head_package(parent, name)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 233, in find_head_package
    q = self.import_module(head, qname, parent)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 326, in import_module
    m = self.load_module(fqname, fp, pathname, stuff)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 360, in load_module
    self.scan_code(co, m)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 433, in scan_code
    self._safe_import_hook(name, m, fromlist, level=0)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 378, in _safe_import_hook
    self.import_hook(name, caller, level=level)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 177, in import_hook
    q, tail = self.find_head_package(parent, name)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 233, in find_head_package
    q = self.import_module(head, qname, parent)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 326, in import_module
    m = self.load_module(fqname, fp, pathname, stuff)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 360, in load_module
    self.scan_code(co, m)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 466, in scan_code
    self.scan_code(c, m)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 433, in scan_code
    self._safe_import_hook(name, m, fromlist, level=0)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 378, in _safe_import_hook
    self.import_hook(name, caller, level=level)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 177, in import_hook
    q, tail = self.find_head_package(parent, name)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 233, in find_head_package
    q = self.import_module(head, qname, parent)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 326, in import_module
    m = self.load_module(fqname, fp, pathname, stuff)
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\modulefinder.py", line 343, in load_module
    co = compile(fp.read()+'\n', pathname, 'exec')
  File "C:\Users\Dinçel\AppData\Local\Programs\Python\Python38\lib\encodings\cp1254.py", line 23, in decode
    return codecs.charmap_decode(input,self.errors,decoding_table)[0]
UnicodeDecodeError: 'charmap' codec can't decode byte 0x81 in position 308: character maps to <undefined>

我的操作系统是 Windows 10。

我正在使用 Python3.8.1

如果有更好的方法来查找导入的模块，请告诉我。

感谢帮助！

标签： pythonunicodemodulepython-importdecode

解决方案

更新：以下是 python 3.8.1 的解决方法

请修改名为 modulefinder.py 的内置包源代码，并从最顶部添加以下代码：

import _locale

_locale._getdefaultlocale = (lambda *args: ['en_US', 'utf8'])

保存并再次运行。它应该工作。

抱歉，以下解决方法适用于 python 3.6.9

我遇到了同样的问题，但我有一个解决方法来解决这个问题：

从任何 SOURCE 脚本中删除任何包含非 ASCII 字符的代码和注释。

更新：

我找到了另一个简单的解决方法：将源代码文件的编码修改为 Windows 默认代码页。您可以使用 notepad.exe 打开您的源代码并保存为 ANSI 编码。

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