add checks for network none and raise error if user attempting to use network features

Author: FoamyGuy

adafruit_portalbase/__init__.py

@@ -85,17 +85,32 @@ def __init__(
         except ImportError:
             self._alarm = None
         self._debug = debug
+        if url and self.network is None:
+            raise RuntimeError("network must not be None to get data from a url")
         self.url = url
+        if headers and self.network is None:
+            raise RuntimeError("network must not be None to send headers")
         self._headers = headers
+        if json_path and self.network is None:
+            raise RuntimeError("network must not be None to use json_path")
         self._json_path = None
         self.json_path = json_path
 
+        if regexp_path and self.network is None:
+            raise RuntimeError("network must not be None to use regexp_path")
         self._regexp_path = regexp_path
+
+        if success_callback and self.network is None:
+            raise RuntimeError("network must not be None to use success_callback")
         self._success_callback = success_callback
 
         # Add any JSON translators
+
         if json_transform:
-            self.network.add_json_transform(json_transform)
+            if self.network is not None:
+                self.network.add_json_transform(json_transform)
+            else:
+                raise RuntimeError("network must not be None to use json_transform.")
 
     def _load_font(self, font):
         """
@@ -416,6 +431,9 @@ def fetch(self, refresh_url=None, timeout=10):
         :param int timeout: The timeout period in seconds.
 
         """
+
+        if self.network is None:
+            raise RuntimeError("network must not be None to use fetch()")
         if refresh_url:
             self.url = refresh_url
         values = []
@@ -459,7 +477,10 @@ def _fill_text_labels(self, values):
 
     def get_local_time(self, location=None):
         """Accessor function for get_local_time()"""
-        return self.network.get_local_time(location=location)
+        if self.network is not None:
+            return self.network.get_local_time(location=location)
+
+        raise RuntimeError("network must not be None to use get_local_time()")
 
     def push_to_io(self, feed_key, data, metadata=None, precision=None):
         """Push data to an adafruit.io feed
@@ -470,17 +491,23 @@ def push_to_io(self, feed_key, data, metadata=None, precision=None):
         :param int precision: Optional amount of precision points to send with floating point data
 
         """
-
-        self.network.push_to_io(feed_key, data, metadata=metadata, precision=precision)
+        if self.network is not None:
+            self.network.push_to_io(
+                feed_key, data, metadata=metadata, precision=precision
+            )
+        else:
+            raise RuntimeError("network must not be None to use push_to_io()")
 
     def get_io_data(self, feed_key):
         """Return all values from the Adafruit IO Feed Data that matches the feed key
 
         :param str feed_key: Name of feed key to receive data from.
 
         """
+        if self.network is not None:
+            return self.network.get_io_data(feed_key)
 
-        return self.network.get_io_data(feed_key)
+        raise RuntimeError("network must not be None to use get_io_data()")
 
     def get_io_feed(self, feed_key, detailed=False):
         """Return the Adafruit IO Feed that matches the feed key
@@ -489,15 +516,21 @@ def get_io_feed(self, feed_key, detailed=False):
         :param bool detailed: Whether to return additional detailed information
 
         """
-        return self.network.get_io_feed(feed_key, detailed)
+        if self.network is not None:
+            return self.network.get_io_feed(feed_key, detailed)
+
+        raise RuntimeError("network must not be None to use get_io_feed()")
 
     def get_io_group(self, group_key):
         """Return the Adafruit IO Group that matches the group key
 
         :param str group_key: Name of group key to match.
 
         """
-        return self.network.get_io_group(group_key)
+        if self.network is not None:
+            return self.network.get_io_group(group_key)
+
+        raise RuntimeError("network must not be None to use get_io_group()")
 
     @property
     def json_path(self):
@@ -509,6 +542,9 @@ def json_path(self):
 
     @json_path.setter
     def json_path(self, value):
+        if value is not None and self.network is None:
+            raise RuntimeError("network must not be None to use json_path.")
+
         if value:
             if isinstance(value[0], (list, tuple)):
                 self._json_path = value

adafruit_portalbase/network.py

@@ -38,7 +38,8 @@
 except ImportError:
     print(
         """WiFi settings are kept in secrets.py, please add them there!
-the secrets dictionary must contain 'ssid' and 'password' at a minimum"""
+the secrets dictionary must contain 'ssid' and 'password' at a minimum
+in order to use network related features"""
     )
 
 __version__ = "0.0.0-auto.0"