devpi

Cheese shops for the rest of us

PyWeb-IL #81, 6/5/2019

by: Benny Daon

@daonb

About Me

• Been here since PyWeb-IL#1
• Co-founder of Open Knesset & Hasadna
• Freelancing as a grey beard pythonista

pypi.org

The cheese shop

178,760 projects and 326,945 users for now

devpi Powers

• Fast cheese shop cache
• Manage multiple private indexes
• Index inheritance
• Web interface
• Clients include pipenv, pip or easy_install

• Replications

• Integrations with tox & Jenkins

• Extendable through `custom_data`

devpi  basic architecture

                             Server
     Client             +---------------+
+--------------+        |               |
|              |        | devpi-server  |
| devpi-client +------->+               |
|              |        | devpi-web     |
| devpi-common +<-------+               |
|              |        | devpi-common  |
+--------------+        |               |
                        +---------------+

Index Inhertiance

pypi.org +-----> root/pypi
                     |     +----->benny/dev
                     v     |
                root/master+----->meir/dev
                           |
                           +----->ram/dev

Replication

• One or more real time via http replicas
• Maintains full "fail-over" copy
• replica offers full master interface
• all writes go through master

Demo!

Holgar Krekel, EuroPython 2014

Deployment

$ devpi-server --gen-config