Update app.py

app.py

@@ -1,14 +1,21 @@
 import gradio as gr
 import pdfminer
 from pdfminer.high_level import extract_text
+import urllib.request
 
-def read_pdf(file):
-    text = extract_text(file.name)
+def read_pdf(file=None, url=None):
+    if file:
+        text = extract_text(file.name)
+    elif url:
+        response = urllib.request.urlopen(url)
+        file = response.read()
+        text = extract_text(file)
     return text
 
 iface = gr.Interface(
     read_pdf,
     gr.inputs.File(),
+    gr.inputs.Textbox(prompt="Enter a URL that points to a pdf"),
     gr.outputs.Textbox()
 )
 iface.launch()