feat/network_reqs_from_workshop (#96)

move shared utils from workshop for usage across more projects

ovos_utils/__init__.py

@@ -24,6 +24,13 @@
 from ovos_utils.network_utils import get_ip, get_external_ip, is_connected_dns, is_connected_http, is_connected
 
 
+class classproperty(property):
+    """Decorator for a Class-level property.
+    Credit to Denis Rhyzhkov on Stackoverflow: https://stackoverflow.com/a/13624858/1280629"""
+    def __get__(self, owner_self, owner_cls):
+        return self.fget(owner_cls)
+
+
 def ensure_mycroft_import():
     try:
         import mycroft

ovos_utils/network_utils.py

@@ -1,5 +1,27 @@
 import socket
 import requests
+from dataclasses import dataclass
+
+
+@dataclass
+class NetworkRequirements:
+    # to ensure backwards compatibility the default values require internet before skill loading
+    # skills in the wild may assume this behaviour and require network on initialization
+    # any ovos aware skills should change these as appropriate
+
+    # xxx_before_load is used by skills service
+    network_before_load: bool = True
+    internet_before_load: bool = True
+
+    # requires_xxx is currently purely informative and not consumed by core
+    # this allows a skill to spec if it needs connectivity to handle utterances
+    requires_internet: bool = True
+    requires_network: bool = True
+
+    # xxx_fallback is currently purely informative and not consumed by core
+    # this allows a skill to spec if it has a fallback for temporary offline events, eg, by having a cache
+    no_internet_fallback: bool = False
+    no_network_fallback: bool = False
 
 
 def get_ip():