added documentation

gradio/inputs.py

@@ -1,9 +1,15 @@
+"""
+This module defines various classes that can serve as the `input` to an interface. Each class must inherit from
+`AbstractInput`, and each class must define a path to its template. All of the subclasses of `AbstractInput` are
+automatically added to a registry, which allows them to be easily referenced in other parts of the code.
+"""
+
 from abc import ABC, abstractmethod
 import base64
-from PIL import Image
+from gradio import preprocessing_utils
 from io import BytesIO
 import numpy as np
-from gradio import preprocessing_utils
+from PIL import Image
 
 
 class AbstractInput(ABC):

gradio/interface.py

@@ -1,3 +1,8 @@
+'''
+This is the core file in the `gradio` package, and defines the Interface class, including methods for constructing the
+interface using the input and output types.
+'''
+
 import asyncio
 import websockets
 import nest_asyncio
@@ -27,7 +32,7 @@ TEMPLATE_TEMP = 'interface.html'
 BASE_JS_FILE = 'js/all-io.js'
 
 
-class Interface():
+class Interface:
     """
     """
 

gradio/networking.py

@@ -1,3 +1,7 @@
+'''
+Defines helper methods useful for setting up ports, launching servers, and handling `ngrok`
+'''
+
 import subprocess
 import requests
 import zipfile

gradio/outputs.py

@@ -1,3 +1,9 @@
+"""
+This module defines various classes that can serve as the `output` to an interface. Each class must inherit from
+`AbstractOutput`, and each class must define a path to its template. All of the subclasses of `AbstractOutput` are
+automatically added to a registry, which allows them to be easily referenced in other parts of the code.
+"""
+
 from abc import ABC, abstractmethod
 import numpy as np