“setup.py vs requirements.txt” (an article by Donald Stufft)Ĭonstraints files are requirements files that only control which version of a Not by discovering requirements.txt files embedded in projects. It’s important to be clear that pip determines package dependencies using SomeDependency is a sub-dependency, then add the new line. Requirements file, then replace that line with the new line. If SomeDependency was previously a top-level requirement in your com / some_dependency #egg=SomeDependency “Requirements files” are files containing a list of items to be Using the environment variable PIP_USER_AGENT_USER_DATA to includeĪ JSON-encoded string in the user-agent variable used in pip’s requests. Using the -proxy command-line option to specify a proxy in the proxy in a Configuration Filesīy setting the standard environment-variables http_proxy, https_proxy Pip can be configured to connect through a proxy server in various ways: In many corporate environments requires an outbound HTTP proxy server. When installing packages from PyPI, pip requires internet access, which Py -m pip install 'SomePackage>=1.0.4' # minimum versionįor more information and examples, see the pip install reference. Py -m pip install SomePackage = 1.0.4 # specific version Py -m pip install SomePackage # latest version

Debian install pip3