Remove dependency links support

news/6060.removal

@@ -0,0 +1 @@
+Remove the deprecated --process-dependency-links option.

src/pip/_internal/build_env.py

@@ -189,8 +189,6 @@ def install_requirements(
             args.extend(['--trusted-host', host])
         if finder.allow_all_prereleases:
             args.append('--pre')
-        if finder.process_dependency_links:
-            args.append('--process-dependency-links')
         args.append('--')
         args.extend(requirements)
         with open_spinner(message) as spinner:

src/pip/_internal/cli/base_command.py

@@ -296,7 +296,6 @@ def _build_package_finder(
             index_urls=index_urls,
             trusted_hosts=options.trusted_hosts,
             allow_all_prereleases=options.pre,
-            process_dependency_links=options.process_dependency_links,
             session=session,
             platform=platform,
             versions=python_versions,

src/pip/_internal/cli/cmdoptions.py

@@ -347,17 +347,6 @@ def trusted_host():
     )
 
 
-# Remove after 1.5
-process_dependency_links = partial(
-    Option,
-    "--process-dependency-links",
-    dest="process_dependency_links",
-    action="store_true",
-    default=False,
-    help="Enable the processing of dependency links.",
-)  # type: Callable[..., Option]
-
-
 def constraints():
     # type: () -> Option
     return Option(
@@ -773,6 +762,5 @@ def _merge_hash(option, opt_str, value, parser):
         extra_index_url,
         no_index,
         find_links,
-        process_dependency_links,
     ]
 }  # type: Dict[str, Any]

src/pip/_internal/commands/list.py

@@ -118,7 +118,6 @@ def _build_package_finder(self, options, index_urls, session):
             index_urls=index_urls,
             allow_all_prereleases=options.pre,
             trusted_hosts=options.trusted_hosts,
-            process_dependency_links=options.process_dependency_links,
             session=session,
         )
 
@@ -168,16 +167,8 @@ def iter_packages_latest_infos(self, packages, options):
             logger.debug('Ignoring indexes: %s', ','.join(index_urls))
             index_urls = []
 
-        dependency_links = []
-        for dist in packages:
-            if dist.has_metadata('dependency_links.txt'):
-                dependency_links.extend(
-                    dist.get_metadata_lines('dependency_links.txt'),
-                )
-
         with self._build_session(options) as session:
             finder = self._build_package_finder(options, index_urls, session)
-            finder.add_dependency_links(dependency_links)
 
             for dist in packages:
                 typ = 'unknown'

src/pip/_internal/index.py

@@ -31,7 +31,6 @@
 from pip._internal.models.link import Link
 from pip._internal.pep425tags import get_supported
 from pip._internal.utils.compat import ipaddress
-from pip._internal.utils.deprecation import deprecated
 from pip._internal.utils.logging import indent_log
 from pip._internal.utils.misc import (
     ARCHIVE_EXTENSIONS, SUPPORTED_EXTENSIONS, WHEEL_EXTENSION, normalize_path,
@@ -268,7 +267,6 @@ def __init__(
         index_urls,  # type: List[str]
         allow_all_prereleases=False,  # type: bool
         trusted_hosts=None,  # type: Optional[Iterable[str]]
-        process_dependency_links=False,  # type: bool
         session=None,  # type: Optional[PipSession]
         format_control=None,  # type: Optional[FormatControl]
         platform=None,  # type: Optional[str]
@@ -315,7 +313,6 @@ def __init__(
             self.find_links.append(link)
 
         self.index_urls = index_urls
-        self.dependency_links = []  # type: List[str]
 
         # These are boring links that have already been logged somehow:
         self.logged_links = set()  # type: Set[Link]
@@ -331,9 +328,6 @@ def __init__(
         # Do we want to allow _all_ pre-releases?
         self.allow_all_prereleases = allow_all_prereleases
 
-        # Do we process dependency links?
-        self.process_dependency_links = process_dependency_links
-
         # The Session we'll use to make requests
         self.session = session
 
@@ -375,22 +369,6 @@ def get_formatted_locations(self):
             )
         return "\n".join(lines)
 
-    def add_dependency_links(self, links):
-        # type: (Iterable[str]) -> None
-        # FIXME: this shouldn't be global list this, it should only
-        # apply to requirements of the package that specifies the
-        # dependency_links value
-        # FIXME: also, we should track comes_from (i.e., use Link)
-        if self.process_dependency_links:
-            deprecated(
-                "Dependency Links processing has been deprecated and will be "
-                "removed in a future release.",
-                replacement="PEP 508 URL dependencies",
-                gone_in="19.0",
-                issue=4187,
-            )
-            self.dependency_links.extend(links)
-
     @staticmethod
     def _sort_locations(locations, expand_dir=False):
         # type: (Sequence[str], bool) -> Tuple[List[str], List[str]]
@@ -587,7 +565,7 @@ def find_all_candidates(self, project_name):
         # type: (str) -> List[Optional[InstallationCandidate]]
         """Find all available InstallationCandidate for project_name
 
-        This checks index_urls, find_links and dependency_links.
+        This checks index_urls and find_links.
         All versions found are returned as an InstallationCandidate list.
 
         See _link_package_versions for details on which files are accepted
@@ -597,21 +575,18 @@ def find_all_candidates(self, project_name):
         fl_file_loc, fl_url_loc = self._sort_locations(
             self.find_links, expand_dir=True,
         )
-        dep_file_loc, dep_url_loc = self._sort_locations(self.dependency_links)
 
         file_locations = (Link(url) for url in itertools.chain(
-            index_file_loc, fl_file_loc, dep_file_loc,
+            index_file_loc, fl_file_loc,
         ))
 
         # We trust every url that the user has given us whether it was given
-        #   via --index-url or --find-links
-        # We explicitly do not trust links that came from dependency_links
+        #   via --index-url or --find-links.
         # We want to filter out any thing which does not have a secure origin.
         url_locations = [
             link for link in itertools.chain(
                 (Link(url) for url in index_url_loc),
                 (Link(url) for url in fl_url_loc),
-                (Link(url) for url in dep_url_loc),
             )
             if self._validate_secure_origin(logger, link)
         ]
@@ -639,17 +614,6 @@ def find_all_candidates(self, project_name):
                     self._package_versions(page.iter_links(), search)
                 )
 
-        dependency_versions = self._package_versions(
-            (Link(url) for url in self.dependency_links), search
-        )
-        if dependency_versions:
-            logger.debug(
-                'dependency_links found: %s',
-                ', '.join([
-                    version.location.url for version in dependency_versions
-                ])
-            )
-
         file_versions = self._package_versions(file_locations, search)
         if file_versions:
             file_versions.sort(reverse=True)
@@ -662,10 +626,7 @@ def find_all_candidates(self, project_name):
             )
 
         # This is an intentional priority ordering
-        return (
-            file_versions + find_links_versions + page_versions +
-            dependency_versions
-        )
+        return file_versions + find_links_versions + page_versions
 
     def find_requirement(self, req, upgrade):
         # type: (InstallRequirement, bool) -> Optional[Link]

src/pip/_internal/operations/check.py

@@ -120,9 +120,6 @@ def check_install_conflicts(to_install):
     )
 
 
-# NOTE from @pradyunsg
-# This required a minor update in dependency link handling logic over at
-# operations.prepare.IsSDist.dist() to get it working
 def _simulate_installation_of(to_install, package_set):
     # type: (List[InstallRequirement], PackageSet) -> Set[str]
     """Computes the version of packages after installing to_install.
@@ -133,7 +130,7 @@ def _simulate_installation_of(to_install, package_set):
 
     # Modify it as installing requirement_set would (assuming no errors)
     for inst_req in to_install:
-        dist = make_abstract_dist(inst_req).dist(finder=None)
+        dist = make_abstract_dist(inst_req).dist()
         name = canonicalize_name(dist.key)
         package_set[name] = PackageDetails(dist.version, dist.requires())
 

src/pip/_internal/operations/prepare.py

@@ -71,21 +71,21 @@ def __init__(self, req):
         # type: (InstallRequirement) -> None
         self.req = req  # type: InstallRequirement
 
-    def dist(self, finder):
-        # type: (PackageFinder) -> Any
+    def dist(self):
+        # type: () -> Any
         """Return a setuptools Dist object."""
-        raise NotImplementedError(self.dist)
+        raise NotImplementedError
 
     def prep_for_dist(self, finder, build_isolation):
         # type: (PackageFinder, bool) -> Any
         """Ensure that we can get a Dist for this requirement."""
-        raise NotImplementedError(self.dist)
+        raise NotImplementedError
 
 
 class IsWheel(DistAbstraction):
 
-    def dist(self, finder):
-        # type: (PackageFinder) -> pkg_resources.Distribution
+    def dist(self):
+        # type: () -> pkg_resources.Distribution
         return list(pkg_resources.find_distributions(
             self.req.source_dir))[0]
 
@@ -97,15 +97,8 @@ def prep_for_dist(self, finder, build_isolation):
 
 class IsSDist(DistAbstraction):
 
-    def dist(self, finder):
-        # type: (PackageFinder) -> pkg_resources.Distribution
-        dist = self.req.get_dist()
-        # FIXME: shouldn't be globally added.
-        if finder and dist.has_metadata('dependency_links.txt'):
-            finder.add_dependency_links(
-                dist.get_metadata_lines('dependency_links.txt')
-            )
-        return dist
+    def dist(self):
+        return self.req.get_dist()
 
     def prep_for_dist(self, finder, build_isolation):
         # type: (PackageFinder, bool) -> None
@@ -168,8 +161,8 @@ def _raise_conflicts(conflicting_with, conflicting_reqs):
 
 class Installed(DistAbstraction):
 
-    def dist(self, finder):
-        # type: (PackageFinder) -> pkg_resources.Distribution
+    def dist(self):
+        # type: () -> pkg_resources.Distribution
         return self.req.satisfied_by
 
     def prep_for_dist(self, finder, build_isolation):

src/pip/_internal/req/req_file.py

@@ -55,7 +55,6 @@
     cmdoptions.no_binary,
     cmdoptions.only_binary,
     cmdoptions.pre,
-    cmdoptions.process_dependency_links,
     cmdoptions.trusted_host,
     cmdoptions.require_hashes,
 ]  # type: List[Callable[..., optparse.Option]]
@@ -251,8 +250,6 @@ def process_line(
             finder.find_links.append(value)
         if opts.pre:
             finder.allow_all_prereleases = True
-        if opts.process_dependency_links:
-            finder.process_dependency_links = True
         if opts.trusted_hosts:
             finder.secure_origins.extend(
                 ("*", host, "*") for host in opts.trusted_hosts)

src/pip/_internal/resolve.py

@@ -294,7 +294,7 @@ def _resolve_one(
         abstract_dist = self._get_abstract_dist_for(req_to_install)
 
         # Parse and return dependencies
-        dist = abstract_dist.dist(self.finder)
+        dist = abstract_dist.dist()
         try:
             check_dist_requires_python(dist)
         except UnsupportedPythonVersion as err:

src/pip/_internal/utils/outdated.py

@@ -127,7 +127,6 @@ def pip_version_check(session, options):
                 index_urls=[options.index_url] + options.extra_index_urls,
                 allow_all_prereleases=False,  # Explicitly set to False
                 trusted_hosts=options.trusted_hosts,
-                process_dependency_links=options.process_dependency_links,
                 session=session,
             )
             all_candidates = finder.find_all_candidates("pip")

src/pip/_internal/vcs/subversion.py

@@ -4,7 +4,6 @@
 import os
 import re
 
-from pip._internal.models.link import Link
 from pip._internal.utils.logging import indent_log
 from pip._internal.utils.misc import (
     display_path, make_vcs_requirement_url, rmtree, split_auth_from_netloc,
@@ -61,20 +60,6 @@ def update(self, dest, url, rev_options):
         cmd_args = ['update'] + rev_options.to_args() + [dest]
         self.run_command(cmd_args)
 
-    def get_location(self, dist, dependency_links):
-        for url in dependency_links:
-            egg_fragment = Link(url).egg_fragment
-            if not egg_fragment:
-                continue
-            if '-' in egg_fragment:
-                # FIXME: will this work when a package has - in the name?
-                key = '-'.join(egg_fragment.split('-')[:-1]).lower()
-            else:
-                key = egg_fragment
-            if key == dist.key:
-                return url.split('#', 1)[0]
-        return None
-
     def get_revision(self, location):
         """
         Return the maximum revision for all files under a given location

tests/data/packages/LocalEnvironMarker/setup.py

@@ -17,14 +17,11 @@ def path_to_url(path):
     return 'file://' + url
 
 
-HERE = os.path.dirname(__file__)
-DEP_PATH = os.path.join(HERE, '..', '..', 'indexes', 'simple', 'simple')
-DEP_URL = path_to_url(DEP_PATH)
-
 setup(
     name='LocalEnvironMarker',
     version='0.0.1',
     packages=find_packages(),
-    extras_require={":python_version == '2.7' or python_version == '3.4'": ['simple']},
-    dependency_links=[DEP_URL]
+    extras_require={
+        ":python_version == '2.7' or python_version == '3.4'": ['simple'],
+    }
 )

tests/data/packages/LocalExtras-0.0.2/setup.py

@@ -17,15 +17,10 @@ def path_to_url(path):
     return 'file://' + url
 
 
-HERE = os.path.dirname(__file__)
-DEP_PATH = os.path.join(HERE, '..', '..', 'indexes', 'simple', 'simple')
-DEP_URL = path_to_url(DEP_PATH)
-
 setup(
     name='LocalExtras',
     version='0.0.2',
     packages=find_packages(),
     install_requires=['simple==1.0'],
-    extras_require={'bar': ['simple==2.0'], 'baz': ['singlemodule']},
-    dependency_links=[DEP_URL]
+    extras_require={'bar': ['simple==2.0'], 'baz': ['singlemodule']}
 )

tests/data/packages/LocalExtras/setup.py

@@ -17,14 +17,9 @@ def path_to_url(path):
     return 'file://' + url
 
 
-HERE = os.path.dirname(__file__)
-DEP_PATH = os.path.join(HERE, '..', '..', 'indexes', 'simple', 'simple')
-DEP_URL = path_to_url(DEP_PATH)
-
 setup(
     name='LocalExtras',
     version='0.0.1',
     packages=find_packages(),
-    extras_require={'bar': ['simple'], 'baz': ['singlemodule']},
-    dependency_links=[DEP_URL]
+    extras_require={'bar': ['simple'], 'baz': ['singlemodule']}
 )

tests/functional/test_install_reqs.py

@@ -175,8 +175,8 @@ def test_respect_order_in_requirements_file(script, data):
 
 def test_install_local_editable_with_extras(script, data):
     to_install = data.packages.join("LocalExtras")
-    res = script.pip(
-        'install', '-e', to_install + '[bar]', '--process-dependency-links',
+    res = script.pip_install_local(
+        '-e', to_install + '[bar]',
         expect_error=False,
         expect_stderr=True,
     )