env使用 Env

env不识别命令，用不了

发布于 2024-07-09 16:21:03 浏览：699 订阅该版

![QQ截图20240709161304.png](https://oss-club.rt-thread.org/uploads/20240709/ec8b0ed778af9d2e78a0ade85557bae0.png.webp)
第一次运行env的时候还报了一堆错

```
ERROR: Exception:                                                                                                           
Traceback (most recent call last):                                                                                          
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_vendor\urllib3\response.py", line 438, in _error_catcher            
    yield                                                                                                                   
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_vendor\urllib3\response.py", line 561, in read                      
    data = self._fp_read(amt) if not fp_closed else b""                                                                     
           ^^^^^^^^^^^^^^^^^^                                                                                               
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_vendor\urllib3\response.py", line 527, in _fp_read                  
    return self._fp.read(amt) if amt is not None else self._fp.read()                                                       
           ^^^^^^^^^^^^^^^^^^                                                                                               
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_vendor\cachecontrol\filewrapper.py", line 98, in read               
    data: bytes = self.__fp.read(amt)                                                                                       
                  ^^^^^^^^^^^^^^^^^^^                                                                                       
  File "D:\xrk\env-windows\tools\python-3.11.9-amd64\Lib\http\client.py", line 473, in read                                 
    s = self.fp.read(amt)                                                                                                   
        ^^^^^^^^^^^^^^^^^                                                                                                   
  File "D:\xrk\env-windows\tools\python-3.11.9-amd64\Lib\socket.py", line 706, in readinto                                  
    return self._sock.recv_into(b)                                                                                          
           ^^^^^^^^^^^^^^^^^^^^^^^                                                                                          
  File "D:\xrk\env-windows\tools\python-3.11.9-amd64\Lib\ssl.py", line 1314, in recv_into                                   
    return self.read(nbytes, buffer)                                                                                        
           ^^^^^^^^^^^^^^^^^^^^^^^^^                                                                                        
  File "D:\xrk\env-windows\tools\python-3.11.9-amd64\Lib\ssl.py", line 1166, in read                                        
    return self._sslobj.read(len, buffer)                                                                                   
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                                                   
TimeoutError: The read operation timed out                                                                                  
                                                                                                                            
During handling of the above exception, another exception occurred:                                                         
                                                                                                                            
Traceback (most recent call last):                                                                                          
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_internal\cli\base_command.py", line 180, in exc_logging_wrapper     
    status = run_func(*args)                                                                                                
             ^^^^^^^^^^^^^^^                                                                                                
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_internal\cli\req_command.py", line 245, in wrapper                  
    return func(self, options, args)                                                                                        
           ^^^^^^^^^^^^^^^^^^^^^^^^^                                                                                        
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_internal\commands\install.py", line 377, in run                     
    requirement_set = resolver.resolve(                                                                                     
                      ^^^^^^^^^^^^^^^^^                                                                                     
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_internal\resolution\resolvelib\resolver.py", line 95, in resolve    
    result = self._result = resolver.resolve(                                                                               
                            ^^^^^^^^^^^^^^^^^                                                                               
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_vendor\resolvelib\resolvers.py", line 546, in resolve               
    state = resolution.resolve(requirements, max_rounds=max_rounds)                                                         
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                         
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_vendor\resolvelib\resolvers.py", line 427, in resolve               
    failure_causes = self._attempt_to_pin_criterion(name)                                                                   
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                                   
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_vendor\resolvelib\resolvers.py", line 239, in _attempt_to_pin_criter
ion                                                                                                                         
    criteria = self._get_updated_criteria(candidate)                                                                        
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                                        
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_vendor\resolvelib\resolvers.py", line 230, in _get_updated_criteria 
    self._add_to_criteria(criteria, requirement, parent=candidate)                                                          
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_vendor\resolvelib\resolvers.py", line 173, in _add_to_criteria      
    if not criterion.candidates:                                                                                            
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_vendor\resolvelib\structs.py", line 156, in __bool__                
    return bool(self._sequence)                                                                                             
           ^^^^^^^^^^^^^^^^^^^^                                                                                             
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 155, in __
bool__                                                                                                                      
    return any(self)                                                                                                        
           ^^^^^^^^^                                                                                                        
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 143, in <g
enexpr>                                                                                                                     
    return (c for c in iterator if id(c) not in self._incompatible_ids)                                                     
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                     
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 47, in _it
er_built                                                                                                                    
    candidate = func()                                                                                                      
                ^^^^^^                                                                                                      
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_internal\resolution\resolvelib\factory.py", line 182, in _make_candi
date_from_link                                                                                                              
    base: Optional[BaseCandidate] = self._make_base_candidate_from_link(                                                    
                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                    
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_internal\resolution\resolvelib\factory.py", line 228, in _make_base_
candidate_from_link                                                                                                         
    self._link_candidate_cache[link] = LinkCandidate(                                                                       
                                       ^^^^^^^^^^^^^^                                                                       
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 290, in __init__
                                                                                                                            
    super().__init__(                                                                                                       
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 156, in __init__
                                                                                                                            
    self.dist = self._prepare()                                                                                             
                ^^^^^^^^^^^^^^^                                                                                             
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 222, in _prepare
                                                                                                                            
    dist = self._prepare_distribution()                                                                                     
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                                                     
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 301, in _prepare
_distribution                                                                                                               
    return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)                                            
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                            
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_internal\operations\prepare.py", line 519, in prepare_linked_require
ment                                                                                                                        
    metadata_dist = self._fetch_metadata_only(req)                                                                          
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                                          
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_internal\operations\prepare.py", line 371, in _fetch_metadata_only  
    return self._fetch_metadata_using_link_data_attr(                                                                       
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                                       
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_internal\operations\prepare.py", line 391, in _fetch_metadata_using_
link_data_attr                                                                                                              
    metadata_file = get_http_url(                                                                                           
                    ^^^^^^^^^^^^^                                                                                           
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_internal\operations\prepare.py", line 109, in get_http_url          
    from_path, content_type = download(link, temp_dir.path)                                                                 
                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                                 
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_internal\network\download.py", line 147, in __call__                
    for chunk in chunks:                                                                                                    
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_internal\network\utils.py", line 63, in response_chunks             
    for chunk in response.raw.stream(                                                                                       
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_vendor\urllib3\response.py", line 622, in stream                    
    data = self.read(amt=amt, decode_content=decode_content)                                                                
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                                
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_vendor\urllib3\response.py", line 560, in read                      
    with self._error_catcher():                                                                                             
  File "D:\xrk\env-windows\tools\python-3.11.9-amd64\Lib\contextlib.py", line 158, in __exit__                              
    self.gen.throw(typ, value, traceback)                                                                                   
  File "D:\xrk\env-windows\.venv\Lib\site-packages\pip\_vendor\urllib3\response.py", line 443, in _error_catcher            
    raise ReadTimeoutError(self._pool, None, "Read timed out.")                                                             
pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed ou
t.                                                                                                                          
                                                                                                                            
```
什么意思啊，求助