PIP - The hardway¶

Overview¶

PIP is **P**ackage **I**nstaller for **P**ython. It's tool recommendation from PyPA to management dependency for application section.

Command¶

PIP has total of 14 commands.

flowchart LR
    pip[PIP command]
    pip --> install --> 1[Install package]
    pip --> unintall --> 2[Uninstall package]
    pip --> inspect --> 3[Install package]
    pip --> list --> 4[Install package]
    pip --> show --> 5[Install package]
    pip --> freeze --> 6[Install package]
    pip --> check --> 7[Install package]
    pip --> download --> 8[Install package]
    pip --> wheel --> 9[Install package]
    pip --> hash --> 10[Install package]
    pip --> search --> 11[Install package]
    pip --> cache --> 12[Install package]
    pip --> config --> 13[Install package]
    pip --> debug --> 14[Install package]

How PIP actually work¶

Architechture¶

Decode PIP architechture design from GitHub codebase

flowchart LR
    code[PIP codebase]
    code --> i[Internal <_internal>]
    code --> v[Vendor <_vendor>]

ref: https://github.com/pypa/pip/tree/main/src/pip/_internal

PIP search package¶

https://pip.pypa.io/en/latest/development/architecture/package-finding/

Cache strategy¶

Target:

The reason why we need cached:

• Using for dev-mode to reduced built time

• Using for slim CICD for internal testing purpose

• Some when deduplication on prod when not changing

Strategy:

• [1] Follow the Git SHA

• [2] Follow Git Branch

Implement:

ref: https://pip.pypa.io/en/stable/topics/caching/

Alternative with PIP¶

Tool that alternative with PIP

Recommendation¶

Using with Hash

Reference¶

https://docs.python.org/3/installing/index.html

PIP - Wheel https://realpython.com/python-wheels/