Add script to compare alexa locales with upstream (#114247)

* Add script to compare alexa locales with upstream

* Use a function in script

* Add test base

* Complete output assertion

* Add type annotation

* Add note to docstring

* Update script call example

Co-authored-by: Jan Bouwhuis <jbouwh@users.noreply.github.com>

---------

Co-authored-by: Jan Bouwhuis <jbouwh@users.noreply.github.com>

script/alexa_locales.py

@@ -0,0 +1,67 @@
+"""Check if upstream Alexa locales are subset of the core Alexa supported locales."""
+
+from pprint import pprint
+import re
+
+from bs4 import BeautifulSoup
+import requests
+
+from homeassistant.components.alexa import capabilities
+
+SITE = (
+    "https://developer.amazon.com/en-GB/docs/alexa/device-apis/list-of-interfaces.html"
+)
+
+
+def run_script() -> None:
+    """Run the script."""
+    response = requests.get(SITE, timeout=10)
+    soup = BeautifulSoup(response.text, "html.parser")
+
+    table = soup.find("table")
+    table_body = table.find_all("tbody")[-1]
+    rows = table_body.find_all("tr")
+    data = [[ele.text.strip() for ele in row.find_all("td") if ele] for row in rows]
+    upstream_locales_raw = {row[0]: row[3] for row in data}
+    language_pattern = re.compile(r"^[a-z]{2}-[A-Z]{2}$")
+    upstream_locales = {
+        upstream_interface: {
+            name
+            for word in upstream_locale.split(" ")
+            if (name := word.strip(",")) and language_pattern.match(name) is not None
+        }
+        for upstream_interface, upstream_locale in upstream_locales_raw.items()
+        if upstream_interface.count(".") == 1  # Skip sub-interfaces
+    }
+
+    interfaces_missing = {}
+    interfaces_nok = {}
+    interfaces_ok = {}
+
+    for upstream_interface, upstream_locale in upstream_locales.items():
+        core_interface_name = upstream_interface.replace(".", "")
+        core_interface = getattr(capabilities, core_interface_name, None)
+
+        if core_interface is None:
+            interfaces_missing[upstream_interface] = upstream_locale
+            continue
+
+        core_locale = core_interface.supported_locales
+
+        if not upstream_locale.issubset(core_locale):
+            interfaces_nok[core_interface_name] = core_locale
+        else:
+            interfaces_ok[core_interface_name] = core_locale
+
+    print("Missing interfaces:")
+    pprint(list(interfaces_missing))
+    print("\n")
+    print("Interfaces where upstream locales are not subsets of the core locales:")
+    pprint(list(interfaces_nok))
+    print("\n")
+    print("Interfaces checked ok:")
+    pprint(list(interfaces_ok))
+
+
+if __name__ == "__main__":
+    run_script()