如何解决问:如何解决pyzbar中缺少的依赖性
我目前正在Windows 10上通过蟒蛇3.8.5通过anaconda使用spyder,我正在尝试使用pyzbar软件包制作条形码读取器。当我尝试运行脚本时,尝试运行from pyzbar.pyzbar import decode
和from pyzbar import pyzbar
时收到以下错误消息:
Traceback (most recent call last):
File "C:\Users\norinhan\Anaconda3\lib\site-packages\pyzbar\zbar_library.py",line 58,in load
dependencies,libzbar = load_objects(Path(''))
File "C:\Users\norinhan\Anaconda3\lib\site-packages\pyzbar\zbar_library.py",line 50,in load_objects
deps = [
File "C:\Users\norinhan\Anaconda3\lib\site-packages\pyzbar\zbar_library.py",line 51,in <listcomp>
cdll.LoadLibrary(str(directory.joinpath(dep)))
File "C:\Users\norinhan\Anaconda3\lib\ctypes\__init__.py",line 459,in LoadLibrary
return self._dlltype(name)
File "C:\Users\norinhan\Anaconda3\lib\ctypes\__init__.py",line 381,in __init__
self._handle = _dlopen(self._name,mode)
FileNotFoundError: Could not find module 'libiconv.dll' (or one of its dependencies). Try using the full path with constructor Syntax.
During handling of the above exception,another exception occurred:
Traceback (most recent call last):
File "<ipython-input-1-95ae0761f4b5>",line 1,in <module>
from pyzbar.pyzbar import decode
File "C:\Users\norinhan\Anaconda3\lib\site-packages\pyzbar\pyzbar.py",line 7,in <module>
from .wrapper import (
File "C:\Users\norinhan\Anaconda3\lib\site-packages\pyzbar\wrapper.py",line 139,in <module>
zbar_version = zbar_function(
File "C:\Users\norinhan\Anaconda3\lib\site-packages\pyzbar\wrapper.py",line 136,in zbar_function
return prototype((fname,load_libzbar()))
File "C:\Users\norinhan\Anaconda3\lib\site-packages\pyzbar\wrapper.py",line 115,in load_libzbar
libzbar,dependencies = zbar_library.load()
File "C:\Users\norinhan\Anaconda3\lib\site-packages\pyzbar\zbar_library.py",line 60,libzbar = load_objects(Path(__file__).parent)
File "C:\Users\norinhan\Anaconda3\lib\site-packages\pyzbar\zbar_library.py",mode)
FileNotFoundError: Could not find module 'C:\Users\norinhan\Anaconda3\lib\site-packages\pyzbar\libiconv.dll' (or one of its dependencies). Try using the full path with constructor Syntax.
仅尝试运行import pyzbar
时,它将编译,但将无法访问任何功能。当我尝试时会收到以下消息:
Traceback (most recent call last):
File "<ipython-input-3-26272af93b8a>",in <module>
pyzbar.pyzbar.decode()
AttributeError: module 'pyzbar' has no attribute 'pyzbar'
我查找了documentation for pyzbar on github,其中指出“ Windows Python轮子随附zbar DLL”,但在任何地方都找不到。我发现最接近“ Windows Python轮子”的是the wheel package,其中不包含有关pyzbar的任何信息。
关于如何解决此问题的任何建议?
解决方法
访问 https://pypi.org/project/pyzbar/#files 下载 pyzbar-0.1.8-py2.py3-none-win_amd64.whl。
你可以在wheel包中找到所有的DLL文件。
,我刚刚遇到了这个问题。 如果你的 OS & python 是 x64 版本,那只是因为缺少 vc 2013 x64 运行时。
你可以找到Visual C++ Redistributable Packages for Visual Studio 2013
here
下载并安装。
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