cjolowicz

import time

import pytest


@pytest.hookimpl(hookwrapper=True)
def pytest_fixture_setup(fixturedef, request):
    start = time.time()
    yield
    total = time.time() - start

cjolowicz

"test"

cjolowicz

Refactoring

These are abbreviated notes taken from Martin Fowler's Refactoring.

Replace Inline Code with Function Call

(This is an atomic refactoring.)

Rename Variable

(This is an atomic refactoring.)

Separate Query from Modifier

1. Copy the function and rename as query
2. Remove side effects from query
3. Replace each call using return value with call to query plus call to modifier

cjolowicz

This is now on PyPI and GitHub:

• https://github.com/cjolowicz/lazysequence
• https://pypi.org/project/lazysequence/

Lazy sequences

A lazy sequence makes an iterator look like an immutable sequence:

cjolowicz

repos:
  - repo: https://github.com/prettier/prettier
    rev: 2.0.4
    hooks:
      - id: prettier

cjolowicz

FROM python:3.9.0a4
RUN curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python
ENV PATH /root/.poetry/bin:$PATH
ENTRYPOINT ["poetry"]

cjolowicz

FROM python:3.7.6-alpine3.11 as base
    
ENV PYTHONFAULTHANDLER=1 \
    PYTHONHASHSEED=random \
    PYTHONUNBUFFERED=1
    
WORKDIR /app

FROM base as builder

cjolowicz

FROM python:3.8.1
RUN pip install virtualenv==20.0.2
RUN curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python
ENV PATH "/root/.poetry/bin:$PATH"
RUN virtualenv /venv
ENV VIRTUAL_ENV /venv
ENV PATH "/venv/bin:$PATH"
RUN poetry new foobar
WORKDIR foobar
CMD ["poetry", "install", "-vvv"]

cjolowicz

# Install XQuartz
wget http://xquartz.macosforge.org/downloads/SL/XQuartz-2.7.5.dmg
mkdir /Volumes/XQuartz-2.7.5
hdiutil attach -mountpoint /Volumes/XQuartz-2.7.5 XQuartz-2.7.5.dmg
sudo installer -pkg /Volumes/XQuartz-2.7.5/*.pkg -target /
hdiutil detach -mountpoint /Volumes/XQuartz-2.7.5 XQuartz-2.7.5.dmg
rmdir /Volumes/XQuartz-2.7.5
rm XQuartz-2.7.5.dmg

# Install GTK.