Add install actions list

conda/cli/install.py

@@ -28,8 +28,8 @@
                           PackageNotFoundError, TooManyArgumentsError, UnsatisfiableError)
 from ..misc import append_env, clone_env, explicit, touch_nonadmin
 from ..models.channel import prioritize_channels
-from ..plan import (display_actions, execute_actions, get_pinned_specs, install_actions,
-                    is_root_prefix, nothing_to_do, revert_actions)
+from ..plan import (display_actions, execute_actions, get_pinned_specs,
+                    is_root_prefix, nothing_to_do, revert_actions, install_actions_list)
 from ..resolve import Resolve
 
 log = logging.getLogger(__name__)
@@ -275,7 +275,7 @@ def install(args, parser, command='install'):
         else:
             with common.json_progress_bars(json=context.json and not context.quiet):
                 _channel_priority_map = prioritize_channels(index_args['channel_urls'])
-                action_set = install_actions(
+                action_set = install_actions_list(
                     prefix, index, specs, force=args.force, only_names=only_names,
                     pinned=args.pinned, always_copy=context.always_copy,
                     minimal_hint=args.alt_hint, update_deps=context.update_dependencies,

conda/plan.py

@@ -475,6 +475,32 @@ def install_actions(prefix, index, specs, force=False, only_names=None, always_c
                     pinned=True, minimal_hint=False, update_deps=True, prune=False,
                     channel_priority_map=None, is_update=False):
     # type: (str, Dict[Dist, Record], List[str], bool, Option[List[str]], bool, bool, bool,
+    #        bool, bool, bool, Dict[str, Sequence[str, int]]) -> Dict[weird]
+    specs = [MatchSpec(spec) for spec in specs]
+    r = get_resolve_object(index.copy(), prefix)
+
+    linked_in_root = linked_data(context.root_prefix)
+
+    dists_for_envs = determine_all_envs(r, specs, channel_priority_map=channel_priority_map)
+    ensure_packge_not_duplicated_in_private_env_root(dists_for_envs, linked_in_root)
+    preferred_envs = set(d.env for d in dists_for_envs)
+
+    assert len(preferred_envs) == 1
+    preferred_env = preferred_envs.pop()
+    specs_for_prefix = SpecsForPrefix(
+        prefix=preferred_env_to_prefix(preferred_env, context.root_dir, context.envs_dirs),
+        specs=tuple(sp.spec for sp in dists_for_envs),
+        r=r
+    )
+    actions = get_actions_for_dists(specs_for_prefix, only_names, index, force, always_copy, prune,
+                          update_deps, pinned)
+    return actions
+
+
+def install_actions_list(prefix, index, specs, force=False, only_names=None, always_copy=False,
+                    pinned=True, minimal_hint=False, update_deps=True, prune=False,
+                    channel_priority_map=None, is_update=False):
+    # type: (str, Dict[Dist, Record], List[str], bool, Option[List[str]], bool, bool, bool,
     #        bool, bool, bool, Dict[str, Sequence[str, int]]) -> List[Dict[weird]]
     str_specs = specs
     specs = [MatchSpec(spec) for spec in specs]

conda_env/installers/conda.py

@@ -28,7 +28,7 @@ def install(prefix, specs, args, env, prune=False):
                       prepend='nodefaults' not in env.channels,
                       prefix=prefix)
     _channel_priority_map = prioritize_channels(channel_urls)
-    action_set = plan.install_actions(prefix, index, specs, prune=prune,
+    action_set = plan.install_actions_list(prefix, index, specs, prune=prune,
                                       channel_priority_map=_channel_priority_map)
 
     with common.json_progress_bars(json=args.json and not args.quiet):

tests/test_create.py

@@ -454,7 +454,7 @@ def test_install_prune(self):
             # prune is a feature used by conda-env
             # conda itself does not provide a public API for it
             index = get_index_trap(prefix=prefix)
-            actions_set = plan.install_actions(prefix,
+            actions_set = plan.install_actions_list(prefix,
                                            index,
                                            specs=['flask'],
                                            prune=True)