Merge branch 'master' into fix_handling_of_find-links_in_setup.cfg

README.rst

@@ -34,8 +34,17 @@ To report a security vulnerability, please use the
 Tidelift will coordinate the fix and disclosure.
 
 
+For Enterprise
+==============
+
+Available as part of the Tidelift Subscription.
+
+Setuptools and the maintainers of thousands of other packages are working with Tidelift to deliver one enterprise subscription that covers all of the open source you use.
+
+`Learn more <https://tidelift.com/subscription/pkg/pypi-setuptools?utm_source=pypi-setuptools&utm_medium=referral&utm_campaign=github>`_.
+
 Code of Conduct
----------------
+===============
 
 Everyone interacting in the setuptools project's codebases, issue trackers,
 chat rooms, and mailing lists is expected to follow the

changelog.d/1922.change.rst

@@ -0,0 +1 @@
+Build dependencies (setup_requires and tests_require) now install transitive dependencies indicated by extras.

docs/_templates/indexsidebar.html

@@ -1,3 +1,10 @@
+<h3 class="donation">For Enterprise</h3>
+
+<p>
+Professionally-supported {{ project }} is available with the
+<a href="https://tidelift.com/subscription/pkg/pypi-{{ project }}?utm_source=pypi-{{ project }}&utm_medium=referral">Tidelift Subscription</a>.
+</p>
+
 <h3>Download</h3>
 
 <p>Current version: <b>{{ version }}</b></p>
@@ -6,10 +13,3 @@
 <h3>Questions? Suggestions? Contributions?</h3>
 
 <p>Visit the <a href="{{ package_url }}">Project page</a> </p>
-
-<h3 class="donation">Professional support</h3>
-
-<p>
-Professionally-supported {{ project }} is available with the
-<a href="https://tidelift.com/subscription/pkg/pypi-{{ project }}?utm_source=pypi-{{ project }}&utm_medium=readme">Tidelift Subscription</a>.
-</p>

setuptools/installer.py

@@ -73,8 +73,8 @@ def fetch_build_egg(dist, req):
         pkg_resources.get_distribution('wheel')
     except pkg_resources.DistributionNotFound:
         dist.announce('WARNING: The wheel package is not available.', log.WARN)
-    if not isinstance(req, pkg_resources.Requirement):
-        req = pkg_resources.Requirement.parse(req)
+    # Ignore environment markers; if supplied, it is required.
+    req = strip_marker(req)
     # Take easy_install options into account, but do not override relevant
     # pip environment variables (like PIP_INDEX_URL or PIP_QUIET); they'll
     # take precedence.
@@ -136,3 +136,15 @@ def fetch_build_egg(dist, req):
         dist = pkg_resources.Distribution.from_filename(
             dist_location, metadata=dist_metadata)
         return dist
+
+
+def strip_marker(req):
+    """
+    Return a new requirement without the environment marker to avoid
+    calling pip with something like `babel; extra == "i18n"`, which
+    would always be ignored.
+    """
+    # create a copy to avoid mutating the input
+    req = pkg_resources.Requirement.parse(str(req))
+    req.marker = None
+    return req

setuptools/tests/test_easy_install.py

@@ -37,6 +37,7 @@ from setuptools.tests import fail_on_ascii
 import pkg_resources
 
 from . import contexts
+from .files import build_files
 from .textwrap import DALS
 
 __metaclass__ = type
@@ -782,6 +783,49 @@ class TestSetupRequires:
                                     find_links=temp_dir))
                 run_setup(test_setup_py, [str('--version')])
 
+    def test_setup_requires_with_transitive_extra_dependency(self, monkeypatch):
+        # Use case: installing a package with a build dependency on
+        # an already installed `dep[extra]`, which in turn depends
+        # on `extra_dep` (whose is not already installed).
+        with contexts.save_pkg_resources_state():
+            with contexts.tempdir() as temp_dir:
+                # Create source distribution for `extra_dep`.
+                make_trivial_sdist(os.path.join(temp_dir, 'extra_dep-1.0.tar.gz'), 'extra_dep', '1.0')
+                # Create source tree for `dep`.
+                dep_pkg = os.path.join(temp_dir, 'dep')
+                os.mkdir(dep_pkg)
+                build_files({
+                    'setup.py':
+                    DALS("""
+                          import setuptools
+                          setuptools.setup(
+                              name='dep', version='2.0',
+                              extras_require={'extra': ['extra_dep']},
+                          )
+                         """),
+                    'setup.cfg': '',
+                }, prefix=dep_pkg)
+                # "Install" dep.
+                run_setup(os.path.join(dep_pkg, 'setup.py'), [str('dist_info')])
+                working_set.add_entry(dep_pkg)
+                # Create source tree for test package.
+                test_pkg = os.path.join(temp_dir, 'test_pkg')
+                test_setup_py = os.path.join(test_pkg, 'setup.py')
+                test_setup_cfg = os.path.join(test_pkg, 'setup.cfg')
+                os.mkdir(test_pkg)
+                with open(test_setup_py, 'w') as fp:
+                    fp.write(DALS(
+                        '''
+                        from setuptools import installer, setup
+                        setup(setup_requires='dep[extra]')
+                        '''))
+                # Check...
+                monkeypatch.setenv(str('PIP_FIND_LINKS'), str(temp_dir))
+                monkeypatch.setenv(str('PIP_NO_INDEX'), str('1'))
+                monkeypatch.setenv(str('PIP_RETRIES'), str('0'))
+                monkeypatch.setenv(str('PIP_TIMEOUT'), str('0'))
+                run_setup(test_setup_py, [str('--version')])
+
 
 def make_trivial_sdist(dist_path, distname, version):
     """