Cleanup spack.schema (#42815)

* Move spec_list into its own file, instead of __init__.py

* Remove spack.schema.spack

This module was introduced in #33960 It's almost an exact duplicate of
spack.schema.env, and is not used anywhere.

* Fix typo

5 files changed, 29 insertions, 74 deletions

diff --git a/lib/spack/spack/schema/__init__.py b/lib/spack/spack/schema/__init__.py
index d6df072117..03fe4039a8 100644
--- a/lib/spack/spack/schema/__init__.py
+++ b/lib/spack/spack/schema/__init__.py
@@ -6,7 +6,6 @@
 import warnings
 
 import llnl.util.lang
-import llnl.util.tty
 
 
 # jsonschema is imported lazily as it is heavy to import
@@ -62,25 +61,3 @@ def _make_validator():
 
 
 Validator = llnl.util.lang.Singleton(_make_validator)
-
-spec_list_schema = {
-    "type": "array",
-    "default": [],
-    "items": {
-        "anyOf": [
-            {
-                "type": "object",
-                "additionalProperties": False,
-                "properties": {
-                    "matrix": {
-                        "type": "array",
-                        "items": {"type": "array", "items": {"type": "string"}},
-                    },
-                    "exclude": {"type": "array", "items": {"type": "string"}},
-                },
-            },
-            {"type": "string"},
-            {"type": "null"},
-        ]
-    },
-}
diff --git a/lib/spack/spack/schema/definitions.py b/lib/spack/spack/schema/definitions.py
index 1f8b8b4833..8f0699a175 100644
--- a/lib/spack/spack/schema/definitions.py
+++ b/lib/spack/spack/schema/definitions.py
@@ -10,7 +10,7 @@
 """
 from typing import Any, Dict
 
-import spack.schema
+from .spec_list import spec_list_schema
 
 #: Properties for inclusion in other schemas
 properties: Dict[str, Any] = {
@@ -20,7 +20,7 @@ properties: Dict[str, Any] = {
         "items": {
             "type": "object",
             "properties": {"when": {"type": "string"}},
-            "patternProperties": {r"^(?!when$)\w*": spack.schema.spec_list_schema},
+            "patternProperties": {r"^(?!when$)\w*": spec_list_schema},
         },
     }
 }
diff --git a/lib/spack/spack/schema/env.py b/lib/spack/spack/schema/env.py
index 676fbeb277..d2df795a3d 100644
--- a/lib/spack/spack/schema/env.py
+++ b/lib/spack/spack/schema/env.py
@@ -16,11 +16,11 @@ import spack.schema.gitlab_ci  # DEPRECATED
 import spack.schema.merged
 import spack.schema.projections
 
+from .spec_list import spec_list_schema
+
 #: Top level key in a manifest file
 TOP_LEVEL_KEY = "spack"
 
-projections_scheme = spack.schema.projections.properties["projections"]
-
 properties: Dict[str, Any] = {
     "spack": {
         "type": "object",
@@ -34,7 +34,7 @@ properties: Dict[str, Any] = {
             # extra environment schema properties
             {
                 "include": {"type": "array", "default": [], "items": {"type": "string"}},
-                "specs": spack.schema.spec_list_schema,
+                "specs": spec_list_schema,
             },
         ),
     }
diff --git a/lib/spack/spack/schema/spack.py b/lib/spack/spack/schema/spack.py
deleted file mode 100644
index 7d5a13c17e..0000000000
--- a/lib/spack/spack/schema/spack.py
+++ /dev/null
@@ -1,46 +0,0 @@
-# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
-#
-# SPDX-License-Identifier: (Apache-2.0 OR MIT)
-
-"""Schema for spack environment
-
-.. literalinclude:: _spack_root/lib/spack/spack/schema/spack.py
-   :lines: 20-
-"""
-from typing import Any, Dict
-
-from llnl.util.lang import union_dicts
-
-import spack.schema
-import spack.schema.gitlab_ci as ci_schema  # DEPRECATED
-import spack.schema.merged as merged_schema
-
-#: Properties for inclusion in other schemas
-properties: Dict[str, Any] = {
-    "spack": {
-        "type": "object",
-        "default": {},
-        "additionalProperties": False,
-        "properties": union_dicts(
-            # Include deprecated "gitlab-ci" section
-            ci_schema.properties,
-            # merged configuration scope schemas
-            merged_schema.properties,
-            # extra environment schema properties
-            {
-                "include": {"type": "array", "default": [], "items": {"type": "string"}},
-                "specs": spack.schema.spec_list_schema,
-            },
-        ),
-    }
-}
-
-#: Full schema with metadata
-schema = {
-    "$schema": "http://json-schema.org/draft-07/schema#",
-    "title": "Spack environment file schema",
-    "type": "object",
-    "additionalProperties": False,
-    "properties": properties,
-}
diff --git a/lib/spack/spack/schema/spec_list.py b/lib/spack/spack/schema/spec_list.py
new file mode 100644
index 0000000000..67d6b2745a
--- /dev/null
+++ b/lib/spack/spack/schema/spec_list.py
@@ -0,0 +1,24 @@
+# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+matrix_schema = {"type": "array", "items": {"type": "array", "items": {"type": "string"}}}
+
+spec_list_schema = {
+    "type": "array",
+    "default": [],
+    "items": {
+        "anyOf": [
+            {
+                "type": "object",
+                "additionalProperties": False,
+                "properties": {
+                    "matrix": matrix_schema,
+                    "exclude": {"type": "array", "items": {"type": "string"}},
+                },
+            },
+            {"type": "string"},
+            {"type": "null"},
+        ]
+    },
+}