python-collab-template
Repository for How to set up a Python Repo for Automation and Collaboration.
Quickstart
# Clone this repo and change directory
git clone [email protected]:eugeneyan/python-collab-template.git
cd python-collab-template
# Built docker image
make setup
# Alternatively, you can create a python virtualenv on your local machine (-B might be needed to execute)
make setup-venv -B
# Run the suite of tests and checks on docker
make run-checks
# Alternatively, run the suite of tests and checks on your local machine
make checks
Make a pull request to this repo to see the checks in action π
Here's a sample pull request which initially failed β the checks, and then passed β .
Running our checks
In it, we cover the following aspects of setting up a python project, including:
Unit Tests
@pytest.fixture
def lowercased_df():
string_col = ['futrelle, mme. jacques heath (lily may peel)',
'backstrom, major. karl alfred (maria mathilda gustafsson)']
df_dict = {'string': string_col}
df = pd.DataFrame(df_dict)
return df
def test_extract_title(lowercased_df):
result = extract_title(lowercased_df, col='string')
assert result['title'].tolist() == ['mme', 'ms', 'mr', 'lady', 'major']
def test_extract_title_with_replacement(lowercased_df):
title_replacement = {'mme': 'mrs', 'ms': 'miss', 'lady': 'rare', 'major': 'rare'}
result = extract_title(lowercased_df, col='string', replace_dict=title_replacement)
assert result['title'].tolist() == ['mrs', 'miss', 'mr', 'rare', 'rare']$ pytest
============================= test session starts ==============================
platform darwin -- Python 3.8.2, pytest-5.4.3, py-1.8.2, pluggy-0.13.1
rootdir: /Users/eugene/projects/python-collaboration-template/tests/data_prep
collected 2 items
test_categorical.py::test_extract_title PASSED [ 50%]
test_categorical.py::test_extract_title_with_replacement PASSED [100%]
============================== 2 passed in 0.30s ===============================Code Coverage
$ pytest --cov=src
============================= test session starts ==============================
platform darwin -- Python 3.8.2, pytest-5.4.3, py-1.8.2, pluggy-0.13.1
rootdir: /Users/eugene/projects/python-collaboration-template
plugins: cov-2.10.0
collected 9 items
tests/data_prep/test_categorical.py .... [ 44%]
tests/data_prep/test_continuous.py ..... [100%]
---------- coverage: platform darwin, python 3.8.2-final-0 -----------
Name Stmts Miss Cover
--------------------------------------------------
src/__init__.py 0 0 100%
src/data_prep/__init__.py 0 0 100%
src/data_prep/categorical.py 12 0 100%
src/data_prep/continuous.py 11 0 100%
--------------------------------------------------
TOTAL 23 0 100%
============================== 9 passed in 0.49s ===============================
Linting
$ pylint src.data_prep.categorical --reports=y
************* Module src.data_prep.categorical
src/data_prep/categorical.py:20:0: C0330: Wrong continued indentation (add 9 spaces).
df[title_col].map(replace_dict),
^ | (bad-continuation)
src/data_prep/categorical.py:21:0: C0330: Wrong continued indentation (add 9 spaces).
df[title_col])
^ | (bad-continuation)
src/data_prep/categorical.py:16:12: W1401: Anomalous backslash in string: '\.'. String constant might be missing an r prefix. (anomalous-backslash-in-string)
src/data_prep/categorical.py:1:0: C0114: Missing module docstring (missing-module-docstring)
src/data_prep/categorical.py:5:0: C0116: Missing function or method docstring (missing-function-docstring)
src/data_prep/categorical.py:9:0: C0116: Missing function or method docstring (missing-function-docstring)
src/data_prep/categorical.py:14:0: C0116: Missing function or method docstring (missing-function-docstring)
Report
======
12 statements analysed.
...
Messages
--------
+------------------------------+------------+
|message id |occurrences |
+==============================+============+
|missing-function-docstring |3 |
+------------------------------+------------+
|bad-continuation |2 |
+------------------------------+------------+
|missing-module-docstring |1 |
+------------------------------+------------+
|anomalous-backslash-in-string |1 |
+------------------------------+------------+
-----------------------------------
Your code has been rated at 4.17/10
Type Checking
$ mypy src
src/data_prep/continuous.py:23: error: Incompatible types in assignment (expression has type "str", variable has type "float")
Found 1 error in 1 file (checked 4 source files)
$ mypy src
Success: no issues found in 4 source files
Wrapping it in a Makefile
clean-pyc:
find . -name '*.pyc' -exec rm -f {} +
find . -name '*.pyo' -exec rm -f {} +
find . -name '*~' -exec rm -f {} +
find . -name '__pycache__' -exec rm -fr {} +
clean-test:
rm -f .coverage
rm -f .coverage.*
clean: clean-pyc clean-test
test: clean
. .venv/bin/activate && py.test tests --cov=src --cov-report=term-missing --cov-fail-under 95
GitHub Actions with each git push
# .github/workflows/tests.yml
name: Tests
on: push
jobs:
tests:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2
- uses: actions/setup-python@v1
with:
python-version: 3.8
architecture: x64
- run: make setup
- run: make check
- run: bash <(curl -s https://codecov.io/bash)
π View the article for the walkthrough.
Todo
- Update requirements.txt to use
poetry