Installation - pip documentation v26. 2. 1 Installation ¶ Usually, pip is automatically installed if you are: working in a virtual environment using Python downloaded from python org using Python that has not been modified by a redistributor to remove ensurepip Supported Methods ¶ If your Python environment does not have pip installed, there are 2 mechanisms to install pip supported directly by pip’s maintainers: ensurepip get-pip
Secure installs - pip documentation v26. 2. 2 Secure installs ¶ By default, pip does not perform any checks to protect against remote tampering and involves running arbitrary code from distributions It is, however, possible to use pip in a manner that changes these behaviours, to provide a more secure installation mechanism This can be achieved by doing the following: Enable Hash-checking Mode, by passing --require-hashes Disallow
User Guide - pip documentation v26. 2. 1 User Guide ¶ Running pip ¶ Pip is a command line program When you install pip, a pip command is added to your system, which can be run from the command prompt as follows:
Caching - pip documentation v26. 2. 1 The recommended approach for dealing with these situations is to directly install from a source distribution instead of letting pip auto-discover the package when it is trying to install Installing directly from a source distribution will make pip build a wheel, regardless of whether there is a matching cached wheel
Dependency Resolution - pip documentation v26. 2. 1 Dependency Resolution ¶ Pip is capable of determining and installing the dependencies of packages The process of determining which version of a dependency to install is known as dependency resolution This behaviour can be disabled by passing --no-deps to pip install How it works ¶ When a user does a pip install (e g pip install tea), pip needs to work out the package’s dependencies (e
Commands - pip documentation v26. 2. 2 Commands ¶ The general options that apply to all the commands listed below can be found under the pip page in this section
pip download - pip documentation v26. 2. 2 Overview ¶ pip download does the same resolution and downloading as pip install, but instead of installing the dependencies, it collects the downloaded distributions into the directory provided (defaulting to the current directory)
pip documentation v26. 2. 1 Pip does not collect any telemetry, however, it will send non-identifying environment information (Python version, OS, etc ) to any remote indices used, who may choose to retain such information
Options that control the installation process - pip Options that control the installation process ¶ When installing packages, pip chooses a distribution file, and installs it in the user’s environment There are many choices (which are still evolving) involved in deciding which file to install, and these are controlled by a variety of options