Enable test CI + more packaging improvement (#3)

.github/FUNDING.yml

@@ -0,0 +1,2 @@
+github: pyodide
+open_collective: pyodide

.github/codecov.yml

@@ -0,0 +1,6 @@
+comment: false
+codecov:
+  branch: main
+  require_ci_to_pass: false
+  notify:
+    wait_for_ci: false

.github/workflows/main.yml

@@ -10,6 +10,87 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  download-pyodide:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        pyodide-version: [0.21.3]
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Cache Pyodide
+        uses: actions/cache@v3
+        id: cache-pyodide
+        with:
+          path: dist
+          key: pyodide-${{ matrix.pyodide-version }}-${{ hashFiles('.github/**/*.yml') }}
+
+      - name: Download Pyodide
+        shell: bash -l {0}
+        if: steps.cache-pyodide.outputs.cache-hit != 'true'
+        run: |
+          wget -q https://github.com/pyodide/pyodide/releases/download/${{ matrix.pyodide-version }}/pyodide-build-${{ matrix.pyodide-version }}.tar.bz2
+          tar xjf pyodide-build-${{ matrix.pyodide-version }}.tar.bz2
+          mv pyodide dist/
+
+  test:
+    needs: download-pyodide
+    runs-on: ${{ matrix.os }}
+    env:
+      DISPLAY: :99
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        pyodide-version: [0.21.3]
+        test-config: [
+          {runner: selenium, runtime: chrome, chrome-version: latest, chromedriver-version: latest },
+        ]
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-python@v3
+        with:
+          python-version: 3.10.2
+
+
+      - name: Install chrome
+        uses: browser-actions/setup-chrome@latest
+        if: ${{ matrix.test-config.runner == 'selenium' && contains(matrix.test-config.runtime, 'chrome') }}
+        with:
+          chrome-version: ${{ matrix.test-config.geckodriver-version }}
+
+      - name: Install chromedriver
+        if: ${{ matrix.test-config.runner == 'selenium' && contains(matrix.test-config.runtime, 'chrome') }}
+        uses: nanasess/setup-chromedriver@v1
+
+      - name: Install requirements
+        shell: bash -l {0}
+        run: |
+          python3 -m pip install -e .[test]
+
+      - name: Get Pyodide from cache
+        uses: actions/cache@v3
+        with:
+          path: dist
+          key: pyodide-${{ matrix.pyodide-version }}-${{ hashFiles('.github/**/*.yml') }}
+
+      - name: Run tests
+        shell: bash -l {0}
+        run: |
+          STANDALONE_REFRESH=${{ env.STANDALONE_REFRESH }} pytest -v \
+            --cov=micropip \
+            --dist-dir=./dist/ \
+            --runner=${{ matrix.test-config.runner }} \
+            --rt ${{ matrix.test-config.runtime }}
+
+      - uses: codecov/codecov-action@v3
+        if: ${{ github.event.repo.name == 'pyodide/micropip' || github.event_name == 'pull_request' }}
+        with:
+          fail_ci_if_error: true
+
   deploy:
     runs-on: ubuntu-latest
     if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')

.gitignore

@@ -0,0 +1,4 @@
+__pycache__
+micropip/_version.py
+*.egg-info
+dist/

.pre-commit-config.yaml

@@ -1,7 +1,7 @@
 default_language_version:
   python: "3.10"
 
-exclude: ^micropip/externals
+exclude: (^micropip/externals|^tests/vendored)
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: "v4.3.0"

README.md

@@ -1,13 +1,13 @@
 # micropip
 
-[![PyPI Latest Release](https://img.shields.io/pypi/v/matplotlib-pyodide.svg)](https://pypi.org/project/micropip/)
+[![PyPI Latest Release](https://img.shields.io/pypi/v/micropip.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
 
 ## Installation
 
-In Pyodide, you can install micropip,
+In [Pyodide](https://pyodide.org), 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.
 

micropip/__init__.py

@@ -1,4 +1,9 @@
 from ._micropip import _list as list
 from ._micropip import freeze, install
 
-__all__ = ["install", "list", "freeze"]
+try:
+    from ._version import __version__
+except ImportError:
+    pass
+
+__all__ = ["install", "list", "freeze", "__version__"]

pyproject.toml

@@ -1,10 +1,40 @@
+[project]
+name = "micropip"
+authors = [
+  { name="Pyodide developers"},
+]
+description = "A lightweight Python package installer for the web "
+readme = "README.md"
+license = { file="LICENSE" }
+requires-python = ">=3.7"
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)",
+    "Operating System :: OS Independent",
+]
+dynamic = ["version"]
+dependencies = []
+[project.optional-dependencies]
+test = [
+  "pytest-pyodide",
+  "pytest-cov"
+]
+
+
+[project.urls]
+"Homepage" = "https://github.com/pyodide/micropip"
+"Bug Tracker" = "https://github.com/pyodide/micropip/issues"
+
+
+
 [build-system]
 requires = ["setuptools>=42", "setuptools_scm[toml]>=6.2"]
 
 build-backend = "setuptools.build_meta"
 
 # Evable versioning via setuptools_scm
 [tool.setuptools_scm]
+write_to = "micropip/_version.py"
 
 [tool.pycln]
 all = true

tests/test_micropip.py

@@ -8,7 +8,7 @@
 import pytest
 from pytest_pyodide import run_in_pyodide, spawn_web_server
 
-sys.path.append(str(Path(__file__).resolve().parent / "src"))
+sys.path.append(str(Path(__file__).resolve().parent / "vendored"))
 
 from importlib.metadata import Distribution, PackageNotFoundError
 
@@ -19,17 +19,26 @@
 except ImportError:
     pass
 
-from pyodide_build import common
+EMSCRIPTEN_VER = "3.1.14"
+
+
+def _platform() -> str:
+    # Vendored from pyodide_build.common
+    version = EMSCRIPTEN_VER.replace(".", "_")
+    return f"emscripten_{version}_wasm32"
+
+
+PLATFORM = _platform()
 
 cpver = f"cp{sys.version_info.major}{sys.version_info.minor}"
 
 
 @pytest.fixture
 def mock_platform(monkeypatch):
-    monkeypatch.setenv("_PYTHON_HOST_PLATFORM", common.platform())
+    monkeypatch.setenv("_PYTHON_HOST_PLATFORM", _platform())
     from micropip import _micropip
 
-    monkeypatch.setattr(_micropip, "get_platform", common.platform)
+    monkeypatch.setattr(_micropip, "get_platform", _platform)
 
 
 def _mock_importlib_version(name: str) -> str:
@@ -82,7 +91,7 @@ def make_wheel_filename(name: str, version: str, platform: str = "generic") -> s
     if platform == "generic":
         platform_str = "py3-none-any"
     elif platform == "emscripten":
-        platform_str = f"{cpver}-{cpver}-{common.platform()}"
+        platform_str = f"{cpver}-{cpver}-{_platform()}"
     elif platform == "native":
         platform_str = f"{cpver}-{cpver}-manylinux_2_31_x86_64"
     else:
@@ -272,7 +281,7 @@ def test_parse_wheel_url3():
 def test_install_custom_url(selenium_standalone_micropip, base_url):
     selenium = selenium_standalone_micropip
 
-    with spawn_web_server(Path(__file__).parent / "test") as server:
+    with spawn_web_server(Path(__file__).parent / "dist") as server:
         server_hostname, server_port, _ = server
         base_url = f"http://{server_hostname}:{server_port}/"
         url = base_url + SNOWBALL_WHEEL
@@ -325,7 +334,7 @@ async def test_add_requirement():
     pytest.importorskip("packaging")
     from micropip._micropip import Transaction
 
-    with spawn_web_server(Path(__file__).parent / "test") as server:
+    with spawn_web_server(Path(__file__).parent / "dist") as server:
         server_hostname, server_port, _ = server
         base_url = f"http://{server_hostname}:{server_port}/"
         url = base_url + SNOWBALL_WHEEL
@@ -673,7 +682,7 @@ async def test_list_wheel_name_mismatch(mock_fetch: mock_fetch_cls) -> None:
 
 
 def test_list_load_package_from_url(selenium_standalone_micropip):
-    with spawn_web_server(Path(__file__).parent / "test") as server:
+    with spawn_web_server(Path(__file__).parent / "dist") as server:
         server_hostname, server_port, _ = server
         base_url = f"http://{server_hostname}:{server_port}/"
         url = base_url + SNOWBALL_WHEEL
@@ -808,7 +817,7 @@ async def test_freeze(mock_fetch: mock_fetch_cls) -> None:
 
 
 def test_emfs(selenium_standalone_micropip):
-    with spawn_web_server(Path(__file__).parent / "test") as server:
+    with spawn_web_server(Path(__file__).parent / "dist") as server:
         server_hostname, server_port, _ = server
         url = f"http://{server_hostname}:{server_port}/"
 
@@ -843,10 +852,6 @@ def raiseValueError(msg):
     return pytest.raises(ValueError, match=msg)
 
 
-PLATFORM = common.platform()
-EMSCRIPTEN_VER = common.emscripten_version()
-
-
 @pytest.mark.parametrize(
     "interp, abi, arch,ctx",
     [

tests/vendored/_pyodide/__init__.py

@@ -0,0 +1,14 @@
+# _pyodide is imported at the very beginning of the initialization process so it
+# cannot import from js, pyodide_js, or _pyodide_core. The one class here that
+# does use such functions is JsFinder which requires access to
+# _pyodide_core.JsProxy.
+#
+# register_js_finder is called from pyodide.js after _pyodide_core is completely
+# initialized.
+#
+# All pure Python code that doesn't require imports from js, pyodide_js, or
+# _pyodide_core belongs in _pyodide. Code that requires such imports belongs in
+# pyodide.
+from . import _base, _importhook
+
+__all__ = ["_base", "_importhook"]