jwhitlock

Converting fx-private-relay to use mypy

Notes for an interactive class or video

Overview

• Intro to private relay if video
• Starting with tag v3.5.14
  • Python 3.9 - I'm using 3.9.11
• Django 3.2.13 - LTS version, extended support until April 2024.

jwhitlock

docker run --rm -it --entrypoint /bin/sh mozilla/fxprivaterelay:v3.2.6 -c "find staticfiles"

jwhitlock

FROM python:3.10.1-slim

RUN apt-get update && \
    apt-get -y install git libgeos-dev build-essential
RUN pip install \
    numpy==1.21.4 \
    cython==0.29.26
RUN pip install --verbose --no-binary=shapely \
    "git+https://github.com/shapely/shapely@maint-1.8#egg=shapely"
RUN python -c "import sys; from shapely import speedups; sys.exit(not speedups.available)"

jwhitlock

FROM python:3.10.1-slim

RUN apt-get update && \
    apt-get -y install git libgeos-dev build-essential
RUN pip install \
    numpy==1.21.4 \
    cython==0.29.26
RUN pip install --verbose --no-binary=shapely \
    "git+https://github.com/shapely/shapely@907c7ee19219b74c45e032f085d3dd3020e0544d#egg=shapely"
RUN python -c "import sys; from shapely import speedups; sys.exit(not speedups.available)"

jwhitlock

FROM python:3.10.1-slim

RUN apt-get update && \
    apt-get -y install libgeos-dev
RUN pip install numpy cython
RUN pip install --no-binary=shapely shapely==1.8.0
RUN python -c "import sys; from shapely import speedups; sys.exit(not speedups.available)"

jwhitlock

Last login: Tue Dec 14 10:43:03 on ttys003
Welcome to fish, the friendly interactive shell
Type help for instructions on how to use fish
[I] john@johnwhitlock-4zq05n ~/s/ichnaea (main)> vf activate ichnaea
[I] john@johnwhitlock-4zq05n ~/s/ichnaea (main)> git co main
Already on 'main'
Your branch is up to date with 'origin/main'.
[I] john@johnwhitlock-4zq05n ~/s/ichnaea (main)> git pull
Already up to date.
[I] john@johnwhitlock-4zq05n ~/s/ichnaea (main)> git co -b dep-updates-dec-2021-part1

jwhitlock

#! /usr/bin/env python3
"""
Get data from FxA firestore.

Runs from within the Google Application environment using baked in credentials.
"""
from __future__ import annotations

import argparse
import json

jwhitlock

taskQueueId: proj-taskcluster/gw-ci-ubuntu-18-04
schedulerId: taskcluster-ui
created: '2021-08-20T16:06:31.635Z'
deadline: '2021-08-20T19:06:31.635Z'
payload:
  command:
    - - /bin/bash
      - -c
      - which python3 && python -V && which curl && curl --version
    - - /bin/bash

jwhitlock

Timing set_in_loop... 1.063s
Timing list_in_loop... 1.835s
Timing set_out_loop... 1.093s
Timing list_out_loop... 1.998s


function       time    factor
  set_in_loop  1.063s  (1.0x)
 set_out_loop  1.093s  (1.0x)
 list_in_loop  1.835s  (1.7x)

jwhitlock

from datetime import datetime
from zoneinfo import ZoneInfo
from pytz import UTC

ziUTC = ZoneInfo("UTC")
assert UTC != ziUTC

now = datetime.utcnow()
pytz_now = now.replace(tzinfo=UTC)
zoneinfo_now = now.replace(tzinfo=ziUTC)