Initial package setup (#1)

.flake8

@@ -0,0 +1,4 @@
+[flake8]
+extend-ignore = E203, E402, E501, E731, E741, B950, W503
+select = C,E,F,W,B,B9
+extend-immutable-calls = typer.Argument, typer.Option

.github/workflows/main.yml

@@ -0,0 +1,32 @@
+name: main
+
+on: [push, pull_request]
+
+permissions:
+  contents: read
+
+concurrency:
+  group: main-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
+    environment: PyPi-deploy
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-python@v3
+        with:
+          python-version: 3.10.2
+      - name: Install requirements and build wheel
+        shell: bash -l {0}
+        run: |
+          python -m pip install build twine
+          python -m build .
+      - name: Publish package
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_API_TOKEN }}

.pre-commit-config.yaml

@@ -0,0 +1,62 @@
+default_language_version:
+  python: "3.10"
+
+exclude: ^micropip/externals
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: "v4.3.0"
+    hooks:
+      - id: check-added-large-files
+      - id: check-case-conflict
+      - id: check-merge-conflict
+      - id: check-symlinks
+      - id: check-yaml
+        exclude: .clang-format
+      - id: debug-statements
+      - id: end-of-file-fixer
+      - id: mixed-line-ending
+      - id: trailing-whitespace
+
+  - repo: https://github.com/PyCQA/isort
+    rev: "5.10.1"
+    hooks:
+      - id: isort
+
+  - repo: https://github.com/asottile/pyupgrade
+    rev: "v2.37.3"
+    hooks:
+      - id: pyupgrade
+        args: ["--py310-plus"]
+
+  - repo: https://github.com/hadialqattan/pycln
+    rev: "v2.1.1"
+    hooks:
+      - id: pycln
+        args: [--config=pyproject.toml]
+        stages: [manual]
+
+  - repo: https://github.com/psf/black
+    rev: "22.8.0"
+    hooks:
+      - id: black
+
+  - repo: https://github.com/pycqa/flake8
+    rev: "5.0.4"
+    hooks:
+      - id: flake8
+        additional_dependencies: [flake8-bugbear]
+
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: "v0.971"
+    hooks:
+      - id: mypy
+        args: []
+        additional_dependencies: &mypy-deps
+          - pytest
+
+
+  - repo: https://github.com/codespell-project/codespell
+    rev: "v2.2.1"
+    hooks:
+      - id: codespell
+        args: ["-L", "te,slowy,aray,ba,nd,classs,crate,feld,lits"]

CHANGELOG.md

@@ -0,0 +1,10 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [0.1.0] - Unreleased
+
+Initial standalone release. For earlier release notes, see
+the [Pyodide project changelog](https://pyodide.org/en/stable/project/changelog.html).

README.md

@@ -3,8 +3,22 @@
 [![PyPI Latest Release](https://img.shields.io/pypi/v/matplotlib-pyodide.svg)](https://pypi.org/project/micropip/)
 ![GHA](https://github.com/pyodide/micropip/actions/workflows/main.yml/badge.svg)
 
-A lightweight Python package installer for the web 
+A lightweight Python package installer for the web
 
+## Installation
+
+In Pyodide, you can install micropip,
+ - either implicitly by importing it in the REPL
+ - or explicitly via `pyodide.loadPackage('micropip')`. You can also install by URL from PyPI for instance.
+
+## Usage
+
+```py
+import micropip
+await micropip.install(<list-of-packages>)
+```
+For more information see the
+[documentation](https://pyodide.org/en/stable/usage/loading-packages.html#micropip).
 
 ## License
 

micropip/_micropip.py

@@ -19,7 +19,6 @@
 from packaging.tags import Tag, sys_tags
 from packaging.utils import canonicalize_name, parse_wheel_filename
 from packaging.version import Version
-
 from pyodide._package_loader import get_dynlibs, wheel_dist_info_dir
 from pyodide.ffi import to_js
 

pyproject.toml

@@ -0,0 +1,22 @@
+[build-system]
+requires = ["setuptools>=42", "setuptools_scm[toml]>=6.2"]
+
+build-backend = "setuptools.build_meta"
+
+# Evable versioning via setuptools_scm
+[tool.setuptools_scm]
+
+[tool.pycln]
+all = true
+
+[tool.isort]
+profile = "black"
+known_first_party = [
+  "micropip",
+]
+
+[tool.mypy]
+python_version = "3.10"
+show_error_codes = true
+warn_unreachable = true
+ignore_missing_imports = true

tests/test_micropip.py

@@ -771,9 +771,10 @@ async def test_load_binary_wheel1(
 @pytest.mark.skip_refcount_check
 @run_in_pyodide(packages=["micropip"])
 async def test_load_binary_wheel2(selenium):
-    import micropip
     from pyodide_js._api import repodata_packages
 
+    import micropip
+
     await micropip.install(repodata_packages.regex.file_name)
     import regex  # noqa: F401
 
@@ -813,9 +814,10 @@ def test_emfs(selenium_standalone_micropip):
 
         @run_in_pyodide(packages=["micropip"])
         async def run_test(selenium, url, wheel_name):
-            import micropip
             from pyodide.http import pyfetch
 
+            import micropip
+
             resp = await pyfetch(url + wheel_name)
             await resp._into_file(open(wheel_name, "wb"))
             await micropip.install("emfs:" + wheel_name)