Installing a package is easy; installing it into the right environment and reproducing that installation later requires more care. Begin by identifying the project interpreter and creating an isolated environment. This prevents one project’s dependencies from changing another project’s behavior.
Install packages through the selected environment, then record them in project metadata or a dependency lock file. Use a package’s distribution name for installation and its documented import name in code; they are not always identical. Inspect versions when debugging conflicts, and avoid blindly upgrading every dependency during an incident.
Security belongs in package management. Review package sources, pin important dependencies, scan for vulnerabilities, and restrict secrets in build logs. In continuous integration, install from a clean environment and run tests immediately. A reliable package workflow gives developers a fast start while giving engineering leaders confidence that production builds can be reproduced.