使用pip命令将matplotlib和Getfem安装到Python 3.9.0的安装错误

如何解决使用pip命令将matplotlib和Getfem安装到Python 3.9.0的安装错误

matplotlib错误： 错误：命令错误，退出状态为1：命令：'c：\ users \ dell \ appdata \ local \ programs \ python \ python39 \ python.exe'-c'import sys，setuptools，tokenize; sys.argv [0] ='“'”'C：\ Users \ DELL \ AppData \ Local \ Temp \ pip-install-lk203f52 \ kiwisolver \ setup.py'“'”'; 文件 ='“'”'C：\ Users \ DELL \ AppData \ Local \ Temp \ pip-install-lk203f52 \ kiwisolver \ setup.py'“'”'; f = getattr（tokenize， '“”“'open'”'“，打开）（文件）; code = f.read（）。replace（'”'“'\ r \ n'”'“'， '“'”'\ n'“'”'）; f.close（）; exec（compile（code， file ，'“'”'exec'“'”'）））'egg_info --egg-base'C：\ Users \ DELL \ AppData \ Local \ Temp \ pip-pip-egg-info-6zgl71vj' CWD：C：\ Users \ DELL \ AppData \ Local \ Temp \ pip-install-lk203f52 \ kiwisolver
完整输出（44行）：警告：车轮包装不可用。错误：命令错误，退出状态为1：命令：'c：\ users \ dell \ appdata \ local \ programs \ python \ python39 \ python.exe'-u -c'import sys，setuptools，tokenize; sys.argv [0] ='“'”'C：\ Users \ DELL \ AppData \ Local \ Temp \ pip-wheel-pnxvu50s \ cppy \ setup.py'“'”'; 文件 ='“'”'C：\ Users \ DELL \ AppData \ Local \ Temp \ pip-wheel-pnxvu50s \ cppy \ setup.py'“'”'; f = getattr（tokenize， '“”“'open'”'“，打开）（文件）; code = f.read（）。replace（'”'“'\ r \ n'”'“'， '“'”'\\ n'“'”'）; f.close（）; exec（compile（code， file ，'“'”'exec'“'”'）））'bdist_wheel -d'C：\ Users \ DELL \ AppData \ Local \ Temp \ pip-wheel-gic8wjko' CWD：C：\ Users \ DELL \ AppData \ Local \ Temp \ pip-wheel-pnxvu50s \ cppy
完整的输出（6行）：用法：setup.py [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...] 或：setup.py --help [cmd1 cmd2 ...] 或：setup.py --help-commands 或：setup.py cmd --help

  error: invalid command 'bdist_wheel'
  ----------------------------------------
  ERROR: Failed building wheel for cppy
ERROR: Failed to build one or more wheels
Traceback (most recent call last):
  File "c:\users\dell\appdata\local\programs\python\python39\lib\site-packages\setuptools\installer.py",line 128,in fetch_build_egg
    subprocess.check_call(cmd)
  File "c:\users\dell\appdata\local\programs\python\python39\lib\subprocess.py",line 373,in check_call
    raise CalledProcessError(retcode,cmd)
subprocess.CalledProcessError: Command '['c:\\users\\dell\\appdata\\local\\programs\\python\\python39\\python.exe','-m','pip','--disable-pip-version-check','wheel','--no-deps','-w','C:\\Users\\DELL\\AppData\\Local\\Temp\\tmph6ki1vco','--quiet','cppy>=1.1.0']' returned non-zero exit status 1.

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "<string>",line 1,in <module>
  File "C:\Users\DELL\AppData\Local\Temp\pip-install-lk203f52\kiwisolver\setup.py",line 59,in <module>
    setup(
  File "c:\users\dell\appdata\local\programs\python\python39\lib\site-packages\setuptools\__init__.py",line 164,in setup
    _install_setup_requires(attrs)
  File "c:\users\dell\appdata\local\programs\python\python39\lib\site-packages\setuptools\__init__.py",line 159,in _install_setup_requires
    dist.fetch_build_eggs(dist.setup_requires)
  File "c:\users\dell\appdata\local\programs\python\python39\lib\site-packages\setuptools\dist.py",line 699,in fetch_build_eggs
    resolved_dists = pkg_resources.working_set.resolve(
  File "c:\users\dell\appdata\local\programs\python\python39\lib\site-packages\pkg_resources\__init__.py",line 779,in resolve
    dist = best[req.key] = env.best_match(
  File "c:\users\dell\appdata\local\programs\python\python39\lib\site-packages\pkg_resources\__init__.py",line 1064,in best_match
    return self.obtain(req,installer)
  File "c:\users\dell\appdata\local\programs\python\python39\lib\site-packages\pkg_resources\__init__.py",line 1076,in obtain
    return installer(requirement)
  File "c:\users\dell\appdata\local\programs\python\python39\lib\site-packages\setuptools\dist.py",line 758,in fetch_build_egg
    return fetch_build_egg(self,req)
  File "c:\users\dell\appdata\local\programs\python\python39\lib\site-packages\setuptools\installer.py",line 130,in fetch_build_egg
    raise distutilsError(str(e)) from e
distutils.errors.distutilsError: Command '['c:\\users\\dell\\appdata\\local\\programs\\python\\python39\\python.exe','cppy>=1.1.0']' returned non-zero exit status 1.
----------------------------------------

错误：命令错误，退出状态为1：python setup.py egg_info检查日志以获取完整的命令输出。

getfem错误： 错误：找不到满足getfem要求的版本（来自版本：无）错误：找不到与getfem匹配的分布

有人可以建议我纠正这些问题吗？

解决方法

很抱歉，目前还没有解决方案，因为python 3.9还不支持matplotlib

您可以通过将python版本降级为3.85或3.5来解决此问题

实际上python 3.9是新的这就是为什么matplotlib不支持轮子的原因