Remove calls to distribution and legacy zip support from package util (#107427)

homeassistant/util/package.py

@@ -3,13 +3,12 @@ from __future__ import annotations
 
 import asyncio
 from functools import cache
-from importlib.metadata import PackageNotFoundError, distribution, version
+from importlib.metadata import PackageNotFoundError, version
 import logging
 import os
 from pathlib import Path
 from subprocess import PIPE, Popen
 import sys
-from urllib.parse import urlparse
 
 from packaging.requirements import InvalidRequirement, Requirement
 
@@ -30,29 +29,26 @@ def is_docker_env() -> bool:
     return Path("/.dockerenv").exists()
 
 
-def is_installed(package: str) -> bool:
+def is_installed(requirement_str: str) -> bool:
     """Check if a package is installed and will be loaded when we import it.
 
+    expected input is a pip compatible package specifier (requirement string)
+    e.g. "package==1.0.0" or "package>=1.0.0,<2.0.0"
+
     Returns True when the requirement is met.
     Returns False when the package is not installed or doesn't meet req.
     """
     try:
-        distribution(package)
-        return True
-    except (IndexError, PackageNotFoundError):
-        try:
-            req = Requirement(package)
-        except InvalidRequirement:
-            # This is a zip file. We no longer use this in Home Assistant,
-            # leaving it in for custom components.
-            req = Requirement(urlparse(package).fragment)
+        req = Requirement(requirement_str)
+    except InvalidRequirement:
+        _LOGGER.error("Invalid requirement '%s'", requirement_str)
+        return False
 
     try:
-        installed_version = version(req.name)
-        # This will happen when an install failed or
-        # was aborted while in progress see
-        # https://github.com/home-assistant/core/issues/47699
-        if installed_version is None:
+        if (installed_version := version(req.name)) is None:
+            # This can happen when an install failed or
+            # was aborted while in progress see
+            # https://github.com/home-assistant/core/issues/47699
             _LOGGER.error(  # type: ignore[unreachable]
                 "Installed version for %s resolved to None", req.name
             )

tests/util/test_package.py

@@ -1,6 +1,6 @@
 """Test Home Assistant package util methods."""
 import asyncio
-from importlib.metadata import PackageNotFoundError, metadata
+from importlib.metadata import metadata
 import logging
 import os
 from subprocess import PIPE
@@ -235,21 +235,17 @@ def test_check_package_zip() -> None:
     assert not package.is_installed(TEST_ZIP_REQ)
 
 
-def test_get_distribution_falls_back_to_version() -> None:
-    """Test for get_distribution failing and fallback to version."""
+def test_get_is_installed() -> None:
+    """Test is_installed can parse complex requirements."""
     pkg = metadata("homeassistant")
     installed_package = pkg["name"]
     installed_version = pkg["version"]
 
-    with patch(
-        "homeassistant.util.package.distribution",
-        side_effect=PackageNotFoundError,
-    ):
-        assert package.is_installed(installed_package)
-        assert package.is_installed(f"{installed_package}=={installed_version}")
-        assert package.is_installed(f"{installed_package}>={installed_version}")
-        assert package.is_installed(f"{installed_package}<={installed_version}")
-        assert not package.is_installed(f"{installed_package}<{installed_version}")
+    assert package.is_installed(installed_package)
+    assert package.is_installed(f"{installed_package}=={installed_version}")
+    assert package.is_installed(f"{installed_package}>={installed_version}")
+    assert package.is_installed(f"{installed_package}<={installed_version}")
+    assert not package.is_installed(f"{installed_package}<{installed_version}")
 
 
 def test_check_package_previous_failed_install() -> None:
@@ -258,9 +254,6 @@ def test_check_package_previous_failed_install() -> None:
     installed_package = pkg["name"]
     installed_version = pkg["version"]
 
-    with patch(
-        "homeassistant.util.package.distribution",
-        side_effect=PackageNotFoundError,
-    ), patch("homeassistant.util.package.version", return_value=None):
+    with patch("homeassistant.util.package.version", return_value=None):
         assert not package.is_installed(installed_package)
         assert not package.is_installed(f"{installed_package}=={installed_version}")