utf-8‘ codec can‘t decode byte 0xd3 in position

news2025/10/31 16:59:15

1.背景

安装psycopg2-binary，安装命令“pip install psycopg2-binary==2.9.7”
完整报错信息如下：

(venv) PS D:\workspace_all\pyCharm\MaxKB-main> pip install psycopg2-binary==2.9.7  
       
Looking in indexes: https://mirrors.ustc.edu.cn/pypi/web/simple
Collecting psycopg2-binary==2.9.7
  Using cached https://mirrors.bfsu.edu.cn/pypi/web/packages/45/f4/4da1e7f836de4fa3ddb294bb1d4c08daa5cd7b261a6b9a5b50a653a1a29f/psycopg2-binary-2.
9.7.tar.gz (383 kB)
  Preparing metadata (setup.py) ... error
  error: subprocess-exited-with-error

  × python setup.py egg_info did not run successfully.
  │ exit code: 1
  ╰─> [51 lines of output]
      running egg_info
      creating C:\Users\PC2023\AppData\Local\Temp\pip-pip-egg-info-ss06iuch\psycopg2_binary.egg-info
      writing C:\Users\PC2023\AppData\Local\Temp\pip-pip-egg-info-ss06iuch\psycopg2_binary.egg-info\PKG-INFO
      writing dependency_links to C:\Users\PC2023\AppData\Local\Temp\pip-pip-egg-info-ss06iuch\psycopg2_binary.egg-info\dependency_links.txt      
      writing top-level names to C:\Users\PC2023\AppData\Local\Temp\pip-pip-egg-info-ss06iuch\psycopg2_binary.egg-info\top_level.txt
      writing manifest file 'C:\Users\PC2023\AppData\Local\Temp\pip-pip-egg-info-ss06iuch\psycopg2_binary.egg-info\SOURCES.txt'
      Traceback (most recent call last):
        File "<string>", line 2, in <module>
        File "<pip-setuptools-caller>", line 34, in <module>
        File "C:\Users\PC2023\AppData\Local\Temp\pip-install-bm4e40p_\psycopg2-binary_db67a293b0e046a98ffade0b41601821\setup.py", line 551, in <mo
dule>
          setup(name="psycopg2-binary",
        File "D:\workspace_all\pyCharm\MaxKB-main\venv\Lib\site-packages\setuptools\__init__.py", line 108, in setup
          return distutils.core.setup(**attrs)
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        File "D:\workspace_all\pyCharm\MaxKB-main\venv\Lib\site-packages\setuptools\_distutils\core.py", line 184, in setup
          return run_commands(dist)
                 ^^^^^^^^^^^^^^^^^^
        File "D:\workspace_all\pyCharm\MaxKB-main\venv\Lib\site-packages\setuptools\_distutils\core.py", line 200, in run_commands
          dist.run_commands()
        File "D:\workspace_all\pyCharm\MaxKB-main\venv\Lib\site-packages\setuptools\_distutils\dist.py", line 970, in run_commands
          self.run_command(cmd)
        File "D:\workspace_all\pyCharm\MaxKB-main\venv\Lib\site-packages\setuptools\dist.py", line 945, in run_command
          super().run_command(command)
        File "D:\workspace_all\pyCharm\MaxKB-main\venv\Lib\site-packages\setuptools\_distutils\dist.py", line 989, in run_command
          cmd_obj.run()
        File "D:\workspace_all\pyCharm\MaxKB-main\venv\Lib\site-packages\setuptools\command\egg_info.py", line 310, in run
          self.find_sources()
        File "D:\workspace_all\pyCharm\MaxKB-main\venv\Lib\site-packages\setuptools\command\egg_info.py", line 318, in find_sources
          mm.run()
        File "D:\workspace_all\pyCharm\MaxKB-main\venv\Lib\site-packages\setuptools\command\egg_info.py", line 539, in run
          self.add_defaults()
        File "D:\workspace_all\pyCharm\MaxKB-main\venv\Lib\site-packages\setuptools\command\egg_info.py", line 577, in add_defaults
          sdist.add_defaults(self)
        File "D:\workspace_all\pyCharm\MaxKB-main\venv\Lib\site-packages\setuptools\command\sdist.py", line 102, in add_defaults
          super().add_defaults()
        File "D:\workspace_all\pyCharm\MaxKB-main\venv\Lib\site-packages\setuptools\_distutils\command\sdist.py", line 250, in add_defaults       
          self._add_defaults_ext()
        File "D:\workspace_all\pyCharm\MaxKB-main\venv\Lib\site-packages\setuptools\_distutils\command\sdist.py", line 334, in _add_defaults_ext  
          build_ext = self.get_finalized_command('build_ext')
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        File "D:\workspace_all\pyCharm\MaxKB-main\venv\Lib\site-packages\setuptools\_distutils\cmd.py", line 303, in get_finalized_command        
          cmd_obj.ensure_finalized()
        File "D:\workspace_all\pyCharm\MaxKB-main\venv\Lib\site-packages\setuptools\_distutils\cmd.py", line 111, in ensure_finalized
          self.finalize_options()
        File "C:\Users\PC2023\AppData\Local\Temp\pip-install-bm4e40p_\psycopg2-binary_db67a293b0e046a98ffade0b41601821\setup.py", line 381, in fin
alize_options
          tokens = pg_config_helper.query("ldflags", empty_ok=True).split()
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        File "C:\Users\PC2023\AppData\Local\Temp\pip-install-bm4e40p_\psycopg2-binary_db67a293b0e046a98ffade0b41601821\setup.py", line 122, in que
ry
          result = pg_config_process.stdout.decode().strip()
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      UnicodeDecodeError: 'utf-8' codec can't decode byte 0xd3 in position 2: invalid continuation byte

  note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed

× Encountered error while generating package metadata.
╰─> See above for output.

note: This is an issue with the package mentioned above, not pip.
hint: See above for details.

[notice] A new release of pip is available: 23.2.1 -> 24.2
[notice] To update, run: python.exe -m pip install --upgrade pip