Merge pull request #7773 from chrahunt/refactor/move-legacy-resolver

Move legacy_resolve to resolution.legacy.resolver

Author: pradyunsg

src/pip/_internal/cli/req_command.py

@@ -14,7 +14,6 @@
 from pip._internal.cli.command_context import CommandContextMixIn
 from pip._internal.exceptions import CommandError, PreviousBuildDirError
 from pip._internal.index.package_finder import PackageFinder
-from pip._internal.legacy_resolve import Resolver
 from pip._internal.models.selection_prefs import SelectionPreferences
 from pip._internal.network.download import Downloader
 from pip._internal.network.session import PipSession
@@ -27,6 +26,7 @@
 )
 from pip._internal.req.req_file import parse_requirements
 from pip._internal.req.req_set import RequirementSet
+from pip._internal.resolution.legacy.resolver import Resolver
 from pip._internal.self_outdated_check import (
     make_link_collector,
     pip_self_version_check,

src/pip/_internal/resolution/__init__.py

@@ -18,7 +18,6 @@
     InvalidWheelFilename,
     PreviousBuildDirError,
 )
-from pip._internal.legacy_resolve import Resolver
 from pip._internal.network.download import Downloader
 from pip._internal.network.session import PipSession
 from pip._internal.operations.prepare import RequirementPreparer
@@ -38,6 +37,7 @@
     handle_requirement_line,
 )
 from pip._internal.req.req_tracker import get_requirement_tracker
+from pip._internal.resolution.legacy.resolver import Resolver
 from pip._internal.utils.urls import path_to_url
 from tests.lib import assert_raises_regexp, make_test_finder, requirements_file
 

src/pip/_internal/resolution/legacy/__init__.py

@@ -7,7 +7,9 @@
     NoneMetadataError,
     UnsupportedPythonVersion,
 )
-from pip._internal.legacy_resolve import _check_dist_requires_python
+from pip._internal.resolution.legacy.resolver import (
+    _check_dist_requires_python,
+)
 from pip._internal.utils.packaging import get_requires_python