File importlib-metadata.patch of Package python-pytest

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File importlib-metadata.patch of Package python-pytest (Revision a745ca0dfbc4931a813847d46643a140)

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From 13f02af97d676bdf7143aa1834c8898fbf753d87 Mon Sep 17 00:00:00 2001
From: Anthony Sottile <asottile@umich.edu>
Date: Sat, 6 Apr 2019 17:32:47 -0700
Subject: [PATCH] Switch to importlib-metadata

---
 changelog/5063.feature.rst       |   1 +
 setup.py                         |   5 +-
 src/_pytest/assertion/rewrite.py |  19 -----
 src/_pytest/config/__init__.py   |  21 ++----
 src/_pytest/outcomes.py          |  12 +--
 testing/acceptance_test.py       |  31 +++-----
 testing/test_assertion.py        |  56 +++++---------
 testing/test_config.py           | 121 ++++++++++++-------------------
 testing/test_entry_points.py     |  14 +---
 9 files changed, 95 insertions(+), 185 deletions(-)
 create mode 100644 changelog/5063.feature.rst

Index: pytest-3.10.1/setup.py
===================================================================
--- pytest-3.10.1.orig/setup.py
+++ pytest-3.10.1/setup.py
@@ -8,20 +8,21 @@ from setuptools import setup
 INSTALL_REQUIRES = [
     "py>=1.5.0",
     "six>=1.10.0",
-    "setuptools",
+    "packaging",
     "attrs>=17.4.0",
     "more-itertools>=4.0.0",
     "atomicwrites>=1.0",
     'funcsigs;python_version<"3.0"',
     'pathlib2>=2.2.0;python_version<"3.6"',
     'colorama;sys_platform=="win32"',
+    'importlib-metadata>=0.12',
 ]
 
 
 # if _PYTEST_SETUP_SKIP_PLUGGY_DEP is set, skip installing pluggy;
 # used by tox.ini to test with pluggy master
 if "_PYTEST_SETUP_SKIP_PLUGGY_DEP" not in os.environ:
-    INSTALL_REQUIRES.append("pluggy>=0.7")
+    INSTALL_REQUIRES.append("pluggy>=0.12")
 
 
 def main():
Index: pytest-3.10.1/src/_pytest/assertion/rewrite.py
===================================================================
--- pytest-3.10.1.orig/src/_pytest/assertion/rewrite.py
+++ pytest-3.10.1/src/_pytest/assertion/rewrite.py
@@ -60,7 +60,6 @@ class AssertionRewritingHook(object):
         self.session = None
         self.modules = {}
         self._rewritten_names = set()
-        self._register_with_pkg_resources()
         self._must_rewrite = set()
         # flag to guard against trying to rewrite a pyc file while we are already writing another pyc file,
         # which might result in infinite recursion (#3506)
@@ -308,24 +307,6 @@ class AssertionRewritingHook(object):
         tp = desc[2]
         return tp == imp.PKG_DIRECTORY
 
-    @classmethod
-    def _register_with_pkg_resources(cls):
-        """
-        Ensure package resources can be loaded from this loader. May be called
-        multiple times, as the operation is idempotent.
-        """
-        try:
-            import pkg_resources
-
-            # access an attribute in case a deferred importer is present
-            pkg_resources.__name__
-        except ImportError:
-            return
-
-        # Since pytest tests are always located in the file system, the
-        #  DefaultProvider is appropriate.
-        pkg_resources.register_loader_type(cls, pkg_resources.DefaultProvider)
-
     def get_data(self, pathname):
         """Optional PEP302 get_data API.
         """
Index: pytest-3.10.1/src/_pytest/config/__init__.py
===================================================================
--- pytest-3.10.1.orig/src/_pytest/config/__init__.py
+++ pytest-3.10.1/src/_pytest/config/__init__.py
@@ -11,10 +11,11 @@ import shlex
 import sys
 import types
 import warnings
-from distutils.version import LooseVersion
 
+import importlib_metadata
 import py
 import six
+from packaging.version import Version
 from pluggy import HookimplMarker
 from pluggy import HookspecMarker
 from pluggy import PluginManager
@@ -760,25 +761,17 @@ class Config(object):
         modules or packages in the distribution package for
         all pytest plugins.
         """
-        import pkg_resources
-
         self.pluginmanager.rewrite_hook = hook
 
         if os.environ.get("PYTEST_DISABLE_PLUGIN_AUTOLOAD"):
             # We don't autoload from setuptools entry points, no need to continue.
             return
 
-        # 'RECORD' available for plugins installed normally (pip install)
-        # 'SOURCES.txt' available for plugins installed in dev mode (pip install -e)
-        # for installed plugins 'SOURCES.txt' returns an empty list, and vice-versa
-        # so it shouldn't be an issue
-        metadata_files = "RECORD", "SOURCES.txt"
-
         package_files = (
-            entry.split(",")[0]
-            for entrypoint in pkg_resources.iter_entry_points("pytest11")
-            for metadata in metadata_files
-            for entry in entrypoint.dist._get_metadata(metadata)
+            str(file)
+            for dist in importlib_metadata.distributions()
+            if any(ep.group == "pytest11" for ep in dist.entry_points)
+            for file in dist.files
         )
 
         for name in _iter_rewritable_modules(package_files):
@@ -822,7 +815,7 @@ class Config(object):
 
         minver = self.inicfg.get("minversion", None)
         if minver:
-            if LooseVersion(minver) > LooseVersion(pytest.__version__):
+            if Version(minver) > Version(pytest.__version__):
                 raise pytest.UsageError(
                     "%s:%d: requires pytest-%s, actual pytest-%s'"
                     % (
Index: pytest-3.10.1/src/_pytest/outcomes.py
===================================================================
--- pytest-3.10.1.orig/src/_pytest/outcomes.py
+++ pytest-3.10.1/src/_pytest/outcomes.py
@@ -8,6 +8,8 @@ from __future__ import print_function
 
 import sys
 
+from packaging.version import Version
+
 
 class OutcomeException(BaseException):
     """ OutcomeException and its subclass instances indicate and
@@ -165,15 +167,7 @@ def importorskip(modname, minversion=Non
         return mod
     verattr = getattr(mod, "__version__", None)
     if minversion is not None:
-        try:
-            from pkg_resources import parse_version as pv
-        except ImportError:
-            raise Skipped(
-                "we have a required version for %r but can not import "
-                "pkg_resources to parse version strings." % (modname,),
-                allow_module_level=True,
-            )
-        if verattr is None or pv(verattr) < pv(minversion):
+        if verattr is None or Version(verattr) < Version(minversion):
             raise Skipped(
                 "module %r has __version__ %r, required is: %r"
                 % (modname, verattr, minversion),
Index: pytest-3.10.1/testing/test_assertion.py
===================================================================
--- pytest-3.10.1.orig/testing/test_assertion.py
+++ pytest-3.10.1/testing/test_assertion.py
@@ -136,12 +136,12 @@ class TestImportHookInstallation(object)
     def test_pytest_plugins_rewrite_module_names_correctly(self, testdir):
         """Test that we match files correctly when they are marked for rewriting (#2939)."""
         contents = {
-            "conftest.py": """
+            "conftest.py": """\
                 pytest_plugins = "ham"
             """,
             "ham.py": "",
             "hamster.py": "",
-            "test_foo.py": """
+            "test_foo.py": """\
                 def test_foo(pytestconfig):
                     assert pytestconfig.pluginmanager.rewrite_hook.find_module('ham') is not None
                     assert pytestconfig.pluginmanager.rewrite_hook.find_module('hamster') is None
@@ -152,13 +152,13 @@ class TestImportHookInstallation(object)
         assert result.ret == 0
 
     @pytest.mark.parametrize("mode", ["plain", "rewrite"])
-    @pytest.mark.parametrize("plugin_state", ["development", "installed"])
-    def test_installed_plugin_rewrite(self, testdir, mode, plugin_state):
+    def test_installed_plugin_rewrite(self, testdir, mode, monkeypatch):
+        monkeypatch.delenv("PYTEST_DISABLE_PLUGIN_AUTOLOAD", raising=False)
         # Make sure the hook is installed early enough so that plugins
         # installed via setuptools are rewritten.
         testdir.tmpdir.join("hampkg").ensure(dir=1)
         contents = {
-            "hampkg/__init__.py": """
+            "hampkg/__init__.py": """\
                 import pytest
 
                 @pytest.fixture
@@ -167,7 +167,7 @@ class TestImportHookInstallation(object)
                         assert values.pop(0) == value
                     return check
             """,
-            "spamplugin.py": """
+            "spamplugin.py": """\
             import pytest
             from hampkg import check_first2
 
@@ -177,46 +177,31 @@ class TestImportHookInstallation(object)
                     assert values.pop(0) == value
                 return check
             """,
-            "mainwrapper.py": """
-            import pytest, pkg_resources
-
-            plugin_state = "{plugin_state}"
-
-            class DummyDistInfo(object):
-                project_name = 'spam'
-                version = '1.0'
-
-                def _get_metadata(self, name):
-                    # 'RECORD' meta-data only available in installed plugins
-                    if name == 'RECORD' and plugin_state == "installed":
-                        return ['spamplugin.py,sha256=abc,123',
-                                'hampkg/__init__.py,sha256=abc,123']
-                    # 'SOURCES.txt' meta-data only available for plugins in development mode
-                    elif name == 'SOURCES.txt' and plugin_state == "development":
-                        return ['spamplugin.py',
-                                'hampkg/__init__.py']
-                    return []
+            "mainwrapper.py": """\
+            import pytest, importlib_metadata
 
             class DummyEntryPoint(object):
                 name = 'spam'
                 module_name = 'spam.py'
-                attrs = ()
-                extras = None
-                dist = DummyDistInfo()
+                group = 'pytest11'
 
-                def load(self, require=True, *args, **kwargs):
+                def load(self):
                     import spamplugin
                     return spamplugin
 
-            def iter_entry_points(group, name=None):
-                yield DummyEntryPoint()
+            class DummyDistInfo(object):
+                version = '1.0'
+                files = ('spamplugin.py', 'hampkg/__init__.py')
+                entry_points = (DummyEntryPoint(),)
+                metadata = {'name': 'foo'}
 
-            pkg_resources.iter_entry_points = iter_entry_points
+            def distributions():
+                return (DummyDistInfo(),)
+
+            importlib_metadata.distributions = distributions
             pytest.main()
-            """.format(
-                plugin_state=plugin_state
-            ),
-            "test_foo.py": """
+            """,
+            "test_foo.py": """\
             def test(check_first):
                 check_first([10, 30], 30)
 
Index: pytest-3.10.1/testing/test_config.py
===================================================================
--- pytest-3.10.1.orig/testing/test_config.py
+++ pytest-3.10.1/testing/test_config.py
@@ -5,6 +5,8 @@ from __future__ import print_function
 import sys
 import textwrap
 
+import importlib_metadata
+
 import _pytest._code
 import pytest
 from _pytest.config import _iter_rewritable_modules
@@ -509,31 +511,25 @@ def test_options_on_small_file_do_not_bl
 
 
 def test_preparse_ordering_with_setuptools(testdir, monkeypatch):
-    pkg_resources = pytest.importorskip("pkg_resources")
-
-    def my_iter(group, name=None):
-        assert group == "pytest11"
 
-        class Dist(object):
-            project_name = "spam"
-            version = "1.0"
+    class EntryPoint(object):
+        name = "mytestplugin"
+        group = "pytest11"
 
-            def _get_metadata(self, name):
-                return ["foo.txt,sha256=abc,123"]
+        def load(self):
+            class PseudoPlugin(object):
+                x = 42
 
-        class EntryPoint(object):
-            name = "mytestplugin"
-            dist = Dist()
+            return PseudoPlugin()
 
-            def load(self):
-                class PseudoPlugin(object):
-                    x = 42
+    class Dist(object):
+        files = ()
+        entry_points = (EntryPoint(),)
 
-                return PseudoPlugin()
+    def my_dists():
+        return (Dist,)
 
-        return iter([EntryPoint()])
-
-    monkeypatch.setattr(pkg_resources, "iter_entry_points", my_iter)
+    monkeypatch.setattr(importlib_metadata, "distributions", my_dists)
     testdir.makeconftest(
         """
         pytest_plugins = "mytestplugin",
@@ -546,58 +542,45 @@ def test_preparse_ordering_with_setuptoo
 
 
 def test_setuptools_importerror_issue1479(testdir, monkeypatch):
-    pkg_resources = pytest.importorskip("pkg_resources")
-
-    def my_iter(group, name=None):
-        assert group == "pytest11"
-
-        class Dist(object):
-            project_name = "spam"
-            version = "1.0"
-
-            def _get_metadata(self, name):
-                return ["foo.txt,sha256=abc,123"]
-
-        class EntryPoint(object):
-            name = "mytestplugin"
-            dist = Dist()
-
-            def load(self):
-                raise ImportError("Don't hide me!")
+    class DummyEntryPoint(object):
+        name = "mytestplugin"
+        group = "pytest11"
+        def load(self):
+            raise ImportError("Don't hide me!")
+
+    class Distribution(object):
+        version = "1.0"
+        files = ("foo.txt",)
+        entry_points = (DummyEntryPoint(),)
 
-        return iter([EntryPoint()])
+    def distributions():
+        return (Distribution(),)
 
-    monkeypatch.setattr(pkg_resources, "iter_entry_points", my_iter)
+    monkeypatch.setattr(importlib_metadata, "distributions", distributions)
     with pytest.raises(ImportError):
         testdir.parseconfig()
 
 
 @pytest.mark.parametrize("block_it", [True, False])
 def test_plugin_preparse_prevents_setuptools_loading(testdir, monkeypatch, block_it):
-    pkg_resources = pytest.importorskip("pkg_resources")
-
     plugin_module_placeholder = object()
 
-    def my_iter(group, name=None):
-        assert group == "pytest11"
-
-        class Dist(object):
-            project_name = "spam"
-            version = "1.0"
-
-            def _get_metadata(self, name):
-                return ["foo.txt,sha256=abc,123"]
-
-        class EntryPoint(object):
-            name = "mytestplugin"
-            dist = Dist()
+    class DummyEntryPoint(object):
+        name = "mytestplugin"
+        group = "pytest11"
+
+        def load(self):
+            return plugin_module_placeholder
+
+    class Distribution(object):
+        version = "1.0"
+        files = ("foo.txt",)
+        entry_points = (DummyEntryPoint(),)
 
-            def load(self):
-                return plugin_module_placeholder
+    def distributions():
+        return (Distribution(),)
 
-        return iter([EntryPoint()])
-
-    monkeypatch.setattr(pkg_resources, "iter_entry_points", my_iter)
+    monkeypatch.setattr(importlib_metadata, "distributions", distributions)
     args = ("-p", "no:mytestplugin") if block_it else ()
     config = testdir.parseconfig(*args)
     config.pluginmanager.import_plugin("mytestplugin")
@@ -614,16 +597,21 @@ def test_plugin_preparse_prevents_setupt
     "parse_args,should_load", [(("-p", "mytestplugin"), True), ((), False)]
 )
 def test_disable_plugin_autoload(testdir, monkeypatch, parse_args, should_load):
-    pkg_resources = pytest.importorskip("pkg_resources")
-
-    def my_iter(group, name=None):
-        raise AssertionError("Should not be called")
-
+    class DummyEntryPoint(object):
+        project_name = name = "mytestplugin"
+        group = "pytest11"
+
+    class Distribution(object):
+        entry_points = (DummyEntryPoint(),)
+        files = ()
     class PseudoPlugin(object):
         x = 42
 
+    def distributions():
+        return (Distribution(),)
+
     monkeypatch.setenv("PYTEST_DISABLE_PLUGIN_AUTOLOAD", "1")
-    monkeypatch.setattr(pkg_resources, "iter_entry_points", my_iter)
+    monkeypatch.setattr(importlib_metadata, "distributions", distributions)
     monkeypatch.setitem(sys.modules, "mytestplugin", PseudoPlugin())
     config = testdir.parseconfig(*parse_args)
     has_loaded = config.pluginmanager.get_plugin("mytestplugin") is not None
Index: pytest-3.10.1/testing/test_entry_points.py
===================================================================
--- pytest-3.10.1.orig/testing/test_entry_points.py
+++ pytest-3.10.1/testing/test_entry_points.py
@@ -2,16 +2,10 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
 
-import pkg_resources
-
-import pytest
-
-
-@pytest.mark.parametrize("entrypoint", ["py.test", "pytest"])
-def test_entry_point_exist(entrypoint):
-    assert entrypoint in pkg_resources.get_entry_map("pytest")["console_scripts"]
+import importlib_metadata
 
 
 def test_pytest_entry_points_are_identical():
-    entryMap = pkg_resources.get_entry_map("pytest")["console_scripts"]
-    assert entryMap["pytest"].module_name == entryMap["py.test"].module_name
+    dist = importlib_metadata.distribution("pytest")
+    entry_map = {ep.name: ep for ep in dist.entry_points}
+    assert entry_map["pytest"].value == entry_map["py.test"].value

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File importlib-metadata.patch of Package python-pytest (Revision a745ca0dfbc4931a813847d46643a140)

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