无法在 Windows 上安装 python lxml（和 libxml2）

Question

我正在尝试在 Windows 上安装 lxml（pip install lxml），但我不断收到以下错误：

*****
Could not find function xmlCheckVersion in library libxml2. Is libxml2 installed?
****************************************************************************

Command "C:\Python34\python.exe -c "import setuptools, tokenize;__file__='C:\\Us
ers\\meme\\AppData\\Local\\Temp\\pip-build-m_doxfaj\\lxml\\setup.py';exec(comp
ile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __fi
le__, 'exec'))" install --record C:\Users\meme\AppData\Local\Temp\pip-ekkhc0id
-record\install-record.txt --single-version-externally-managed --compile" failed
 with error code 1 in C:\Users\meme\AppData\Local\Temp\pip-build-m_doxfaj\lxml

我尝试从这里 (ftp://ftp.zlatkovic.com/libxml/) 下载 Windows 的二进制文件并将它们添加到路径，但它似乎没有帮助。

手动下载 lxml wheel(http://www.lfd.uci.edu/~gohlke/pythonlibs/#lxml for cp34) 文件在尝试安装时也会失败，并显示以下错误日志：

Exception:
Traceback (most recent call last):
  File "C:\Python34\lib\site-packages\pip\basecommand.py", line 211, in main
    status = self.run(options, args)
  File "C:\Python34\lib\site-packages\pip\commands\install.py", line 311, in run
    root=options.root_path,
  File "C:\Python34\lib\site-packages\pip\req\req_set.py", line 646, in install
    **kwargs
  File "C:\Python34\lib\site-packages\pip\req\req_install.py", line 803, in install
    self.move_wheel_files(self.source_dir, root=root)
  File "C:\Python34\lib\site-packages\pip\req\req_install.py", line 998, in move_wheel_files
    isolated=self.isolated,
  File "C:\Python34\lib\site-packages\pip\wheel.py", line 242, in move_wheel_files
    name, user=user, home=home, root=root, isolated=isolated
  File "C:\Python34\lib\site-packages\pip\locations.py", line 182, in distutils_scheme
    d.parse_config_files()
  File "C:\Python34\lib\distutils\dist.py", line 394, in parse_config_files
    parser.read(filename)
  File "C:\Python34\lib\configparser.py", line 672, in read
    self._read(fp, filename)
  File "C:\Python34\lib\configparser.py", line 993, in _read
    for lineno, line in enumerate(fp, start=1):
  File "C:\Python34\lib\encodings\cp1250.py", line 23, in decode
    return codecs.charmap_decode(input,self.errors,decoding_table)[0]
UnicodeDecodeError: 'charmap' codec can't decode byte 0x88 in position 2193: character maps to <undefined>

我在 x64 win7 机器上使用 python34 32bit。

Answer 1

您可以尝试来自here 的二进制文件。 首先执行pip install wheel 然后pip install <filename.whl> 来安装下载的二进制文件。