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Here how to install pip the easy way. Copy and paste this content in a file as get-pip.py. Copy and paste get-pip.py into the Python folder.C:\Python27. Double click on get-pip.py file. It will install pip on your computer. Now you have to add C:\Python27\Scripts path to your environment variable. Because it includes the pip.exe file.
python -m pip install --upgrade PACKAGE_NAME For example I want update pip package: python -m pip install --upgrade pip More examples: python -m pip install --upgrade selenium python -m pip install --upgrade requests ...
On CentOS 7, you have to install setup tools first, and then use that to install pip, as there is no direct package for it. sudo yum install python-setuptools sudo easy_install pip Installing pip on CentOS 7 for Python 3.x. Assuming you installed Python 3.4 from EPEL, you can install Python 3's setup tools and use it to install pip.
Information on --no-index from command pip help install--no-index Ignore package index (only looking at --find-links URLs instead). Information on --find-links from command pip help install-f, --find-links <url> If a url or path to an html file, then parse for links to archives. If a local path or file:// url that's a directory, then look for ...
If pip is not installed, you can install it again by downloading latest python.exe setup from the python.org website. Make sure you check mark the pip option as shown in the image below. Make sure you check mark the pip option as shown in the image below.
Now lets say I run pip install package==3.0.0, but then later realize that I actually wanted version 2.0.0. If I now run pip install -I package==2.0.0, the old datetime.py file will not be removed, so any calls to import datetime will import the wrong module.
python -m pip <command> <args> and python -m pip install <package-name> are the only way to go. I use Windows. Mac and Unix. For some reason invoking pip is often slightly different -- unless it is called by the python command line with -m (module).
As a special note for Windows, pip install --upgrade pip will not work. This is because upgrading Pip involves replacing the Pip wrapper executable on disk; by running the command this way, that wrapper executable is the program that is running, and Windows disallows programs from replacing themselves on disk.
$ pip install "package>=0.2,<0.3" And pip will look for the best match, assuming the version is at least 0.2, and less than 0.3. This also applies to pip requirements files .
Install newest version of pip, pip-tools and pip-chill: (venv)$ pip install --upgrade pip (venv)$ pip install pip-tools pip-chill; Build your project, install more pip packages, etc, until you want to save... Extract minimal set of packages (ie, top-level without dependencies): (venv)$ pip-chill --no-version > requirements.in