[packages] Allow list instead of dict for packages (#8688)

esphome/components/packages/__init__.py

@@ -24,22 +24,13 @@ DOMAIN = CONF_PACKAGES
 
 
 def validate_git_package(config: dict):
+    if CONF_URL not in config:
+        return config
+    config = BASE_SCHEMA(config)
     new_config = config
-    for key, conf in config.items():
-        if CONF_URL in conf:
-            try:
-                conf = BASE_SCHEMA(conf)
-                if CONF_FILE in conf:
-                    new_config[key][CONF_FILES] = [conf[CONF_FILE]]
-                    del new_config[key][CONF_FILE]
-            except cv.MultipleInvalid as e:
-                with cv.prepend_path([key]):
-                    raise e
-            except cv.Invalid as e:
-                raise cv.Invalid(
-                    "Extra keys not allowed in git based package",
-                    path=[key] + e.path,
-                ) from e
+    if CONF_FILE in config:
+        new_config[CONF_FILES] = [config[CONF_FILE]]
+        del new_config[CONF_FILE]
     return new_config
 
 
@@ -74,8 +65,8 @@ BASE_SCHEMA = cv.All(
             cv.Required(CONF_URL): cv.url,
             cv.Optional(CONF_USERNAME): cv.string,
             cv.Optional(CONF_PASSWORD): cv.string,
-            cv.Exclusive(CONF_FILE, "files"): validate_yaml_filename,
-            cv.Exclusive(CONF_FILES, "files"): cv.All(
+            cv.Exclusive(CONF_FILE, CONF_FILES): validate_yaml_filename,
+            cv.Exclusive(CONF_FILES, CONF_FILES): cv.All(
                 cv.ensure_list(
                     cv.Any(
                         validate_yaml_filename,
@@ -100,14 +91,17 @@ BASE_SCHEMA = cv.All(
     cv.has_at_least_one_key(CONF_FILE, CONF_FILES),
 )
 
+PACKAGE_SCHEMA = cv.All(
+    cv.Any(validate_source_shorthand, BASE_SCHEMA, dict), validate_git_package
+)
 
-CONFIG_SCHEMA = cv.All(
+CONFIG_SCHEMA = cv.Any(
     cv.Schema(
         {
-            str: cv.Any(validate_source_shorthand, BASE_SCHEMA, dict),
+            str: PACKAGE_SCHEMA,
         }
     ),
-    validate_git_package,
+    cv.ensure_list(PACKAGE_SCHEMA),
 )
 
 
@@ -183,25 +177,33 @@ def _process_base_package(config: dict) -> dict:
     return {"packages": packages}
 
 
+def _process_package(package_config, config):
+    recursive_package = package_config
+    if CONF_URL in package_config:
+        package_config = _process_base_package(package_config)
+    if isinstance(package_config, dict):
+        recursive_package = do_packages_pass(package_config)
+    config = merge_config(recursive_package, config)
+    return config
+
+
 def do_packages_pass(config: dict):
     if CONF_PACKAGES not in config:
         return config
     packages = config[CONF_PACKAGES]
     with cv.prepend_path(CONF_PACKAGES):
         packages = CONFIG_SCHEMA(packages)
-        if not isinstance(packages, dict):
+        if isinstance(packages, dict):
+            for package_name, package_config in reversed(packages.items()):
+                with cv.prepend_path(package_name):
+                    config = _process_package(package_config, config)
+        elif isinstance(packages, list):
+            for package_config in reversed(packages):
+                config = _process_package(package_config, config)
+        else:
             raise cv.Invalid(
-                f"Packages must be a key to value mapping, got {type(packages)} instead"
+                f"Packages must be a key to value mapping or list, got {type(packages)} instead"
             )
 
-        for package_name, package_config in reversed(packages.items()):
-            with cv.prepend_path(package_name):
-                recursive_package = package_config
-                if CONF_URL in package_config:
-                    package_config = _process_base_package(package_config)
-                if isinstance(package_config, dict):
-                    recursive_package = do_packages_pass(package_config)
-                config = merge_config(recursive_package, config)
-
         del config[CONF_PACKAGES]
     return config

tests/component_tests/packages/test_packages.py

@@ -76,10 +76,11 @@ def test_package_unused(basic_esphome, basic_wifi):
 
 def test_package_invalid_dict(basic_esphome, basic_wifi):
     """
-    Ensures an error is raised if packages is not valid.
+    If a url: key is present, it's expected to be well-formed remote package spec. Ensure an error is raised if not.
+    Any other simple dict passed as a package will be merged as usual but may fail later validation.
 
     """
-    config = {CONF_ESPHOME: basic_esphome, CONF_PACKAGES: basic_wifi}
+    config = {CONF_ESPHOME: basic_esphome, CONF_PACKAGES: basic_wifi | {CONF_URL: ""}}
 
     with pytest.raises(cv.Invalid):
         do_packages_pass(config)

tests/components/packages/package.yaml

@@ -0,0 +1,3 @@
+sensor:
+  - platform: template
+    id: package_sensor

tests/components/packages/test.esp32-ard.yaml

@@ -0,0 +1,11 @@
+packages:
+  - sensor:
+      - platform: template
+        id: inline_sensor
+  - !include package.yaml
+  - github://esphome/esphome/tests/components/template/common.yaml@dev
+  - url: https://github.com/esphome/esphome
+    file: tests/components/binary_sensor_map/common.yaml
+    ref: dev
+    refresh: 1d
+

tests/components/packages/test.esp32-idf.yaml

@@ -0,0 +1,13 @@
+packages:
+  sensor:
+    sensor:
+      - platform: template
+        id: inline_sensor
+  local: !include package.yaml
+  shorthand: github://esphome/esphome/tests/components/template/common.yaml@dev
+  github:
+    url: https://github.com/esphome/esphome
+    file: tests/components/binary_sensor_map/common.yaml
+    ref: dev
+    refresh: 1d
+