当你看到pip安装过程中出现Using cached的信息时,这意味着pip正在使用之前下载的包的缓存版本,而不是从指定的索引URL重新下载包。这个机制是为了加速安装过程和减少不必要的网络流量。 每当你使用pip安装Python包时,pip会检查本地缓存目录看是否已经存在你想要安装的包的下载文件。如果存在,并且与你请求安装的版本匹配,...
pip是Python的包安装器,用于安装和管理Python包。 解释“using cached”在pip安装过程中的意义: “using cached”意味着pip正在使用一个已下载的包的缓存版本,而不是从互联网重新下载。这是为了提高安装速度,减少网络带宽的使用。pip会在首次下载包时将其缓存在本地,以便后续可以快速安装。 解析提供的URL,并说明...
Using cached Django-1.10.6-py2.py3-none-any.whl Collecting django-crispy-forms==1.6.1 (from -r .\requirements.txt (line 11)) Using cached django_crispy_forms-1.6.1-py2.py3-none-any.whl Collecting django-formtools==2.0 (from -r .\requirements.txt (line 12)) Using cached django_form...
pip3 --no-cache-dir install xlsxwriter 这样就可以了
pip install minepy gives error: Collecting minepy Using cached minepy-1.2.6.tar.gz (496 kB) Preparing metadata (setup.py) ... done Requirement already satisfied: numpy>=1.3.0 in /opt/conda/lib/python3.11/site-packages (from minepy) (1.24.1) ...
使用pip安装django2: pip install django 报错: Collecting django Using cached Django-2.0.tar.gz Complete output from command python setup.py egg_info: Traceback (most recent call last): File "<string>", line 1, in <module> File "django/setup.py", line 32, in <module> ...
Start mining and analyzing Tweets from feeds in config using cached user ids from file (if you change any of the twitter feeds in the config file, you need to delete this file and recreate it without -f) $ python sentiment.py -s TSLA -f twitteruserids.txt --debug ...
cached_frame = None def __del__(self): self.cap.release() def get_video_frame(self): ret, frame = self.cap.read() if ret: frame, _ = self.scanner.detect_edge(frame) self.cached_frame = frame ret, jpeg = cv2.imencode('.jpg', frame) return jpeg.tobytes() else: return None...
While PyTorch efficiently manages memory usage, it may not return memory to the operating system (OS) even after you delete your tensors. Instead, this memory is cached to facilitate the quick allocation of new tensors without requesting additional memory from the OS. ...
5、可以看到pip已经从8.0.3升级到8.1.1;同4,再次升级,得到升级版本8.1.2;内容如下: C:\windows\system32>C:\Python27\python2.exe -m pip install -U pip setuptools Collecting pip Using cached pip-8.1.2-py2.py3-none-any.whl Collecting setuptools ...