some new automations

hass/settings/custom_components/hacs/constrains.py

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+"""HACS Startup constrains."""
+# pylint: disable=bad-continuation
+import os
+import json
+
+from .const import CUSTOM_UPDATER_LOCATIONS, CUSTOM_UPDATER_WARNING
+from .helpers.misc import version_is_newer_than_version
+
+
+def check_constans(hacs):
+    """Check HACS constrains."""
+    if not constrain_custom_updater(hacs):
+        return False
+    if not constrain_version(hacs):
+        return False
+    return True
+
+
+def constrain_custom_updater(hacs):
+    """Check if custom_updater exist."""
+    for location in CUSTOM_UPDATER_LOCATIONS:
+        if os.path.exists(location.format(hacs.system.config_path)):
+            msg = CUSTOM_UPDATER_WARNING.format(
+                location.format(hacs.system.config_path)
+            )
+            hacs.logger.critical(msg)
+            return False
+    return True
+
+
+def constrain_version(hacs):
+    """Check if the version is valid."""
+    with open(
+        f"{hacs.system.config_path}/custom_components/hacs/manifest.json", "r"
+    ) as read:
+        manifest = json.loads(read.read())
+
+    # Check if HA is the required version.
+    if version_is_newer_than_version(manifest["homeassistant"], hacs.system.ha_version):
+        hacs.logger.critical(
+            f"You need HA version {manifest['homeassistant']} or newer to use this integration."
+        )
+        return False
+    return True