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The Pain Points of Python Package Manager Revealed: How to Solve them

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2024-04-01 09:31:011080browse

Python 包管理器的痛点大揭秘:如何解决

Complex package dependencies

python Projects often rely on a large number of packages, resulting in dependencies that are complex and difficult to understand. This can lead to installation conflicts, circular dependencies, and other issues.

Difficult to maintain

As the project matures, packages and their dependencies need to be updated frequently. Managing these updates manually is time-consuming and error-prone.

Package conflict

Different packages may provide the same module with the same functionality. When installing multiple packages with conflicting modules, a runtime error may result.

Package installation is slow

Installing packages from official repositories or third-party sources can be slow, especially if the project depends on a large number of packages.

solve pain points

In order to solve these pain points, advanced package managers have emerged, providing more powerful functions and automation functions:

Virtual Environment

The virtual environment provides a sandbox environment that separates project packages from system packages. This isolates dependencies and minimizes package conflicts.

Dependency Locking

DependenciesLockDefiningTools, such as Pipenv or Poetry, can generate and lock snapshots of project dependencies. This ensures that the project always runs in a consistent manner across different machines.

Package Management Tool

Alternatives to PyPI, such as Conda or Mamba, offer faster package installation, better dependency management, and pre-built package binaries.

Package Management Tool

Distributed Package management tools, such as Nix or Guix, further improve reliability and speed by using hashes to manage repeatable builds and package installations.

Continuous integration/continuous delivery tools

CI/CD tools, such as jenkins or Travis CI, can improve maintenance by automating package installation, testing and deployment processes.

Best Practices

In addition to using an advanced package manager, following best practices can also help alleviate pain points:

  • Use virtual environments and isolate project packages.
  • Use the dependency locking tool to lock dependency versions.
  • Try to use pre-built package binaries.
  • Update packages and their dependencies regularly.
  • Leverage CI/CD tools for automation and consistency.

By adopting these solutions and best practices, Python Developers can significantly alleviate the pain points of package management and improve the efficiency of project development and maintenance.

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