Merge branch 'master' of github.com:ladyada/Adafruit_CircuitPython_ESP32SPI

Author: ladyada

adafruit_esp32spi/adafruit_esp32spi.py

@@ -515,7 +515,8 @@ def socket_available(self, socket_num):
     def socket_read(self, socket_num, size):
         """Read up to 'size' bytes from the socket number. Returns a bytearray"""
         if self._debug:
-            print("Reading %d bytes from socket with status %d" % (size, self.socket_status(socket_num)))
+            print("Reading %d bytes from socket with status %d" %
+                  (size, self.socket_status(socket_num)))
         resp = self._send_command_get_response(_GET_DATABUF_TCP_CMD,
                                                [[socket_num], [size & 0xFF, (size >> 8) & 0xFF]],
                                                sent_param_len_16=True, recv_param_len_16=True)

adafruit_esp32spi/adafruit_esp32spi_requests.py

@@ -107,12 +107,14 @@ def json(self):
         return ujson.loads(self.content)
 
     def iter_content(self, chunk_size=1, decode_unicode=False):
+        """An iterator that will stream data by only reading 'chunk_size'
+        bytes and yielding them, when we can't buffer the whole datastream"""
         if decode_unicode:
             raise NotImplementedError("Unicode not supported")
 
         while True:
             chunk = self.socket.read(chunk_size)
-            if chunk and len(chunk) > 0:
+            if chunk:
                 yield chunk
             else:
                 return

adafruit_esp32spi/adafruit_esp32spi_socket.py

@@ -114,6 +114,8 @@ def read(self, size=0):
         return ret
 
     def settimeout(self, value):
+        """Set the reading timeout for sockets before we return with fewer
+        or no data on read(). If set to 0 we are fully blocking"""
         self._timeout = value
 
     def close(self):