trying out a form

app.py

@@ -79,37 +79,41 @@ def get_langcode_with_description(input_code):
 if __name__ == "__main__":
 #  input_code = st.text_input("(optional) 2 or 3-letter ISO code for input language. 2-letter codes will be converted to 3-letter codes", max_chars=3)
   supported_codes = get_supported_codes()
-  index_of_desired_default = supported_codes.index("ipa")
-  langcode = st.selectbox("ISO code for input language. Allosaurus doesn't need this, but it can improve accuracy", 
-                          options=supported_codes, 
-                          index=index_of_desired_default,
-                          format_func=get_langcode_with_description
-                          )
+  index_of_desired_default = supported_codes.index("ipa")  
+  with st.form("Allosaurus form"):
   
-  model = read_recognizer()
-  description = get_langcode_description(langcode, url=True)
-
-  st.write(f"Instructing Allosaurus to recognize using language {langcode}. That is, {description}")
-
-  
-  uploaded_files = st.file_uploader("Choose a file", type=[
-                                                          ".wav", 
-                                                          ".mp3", 
-                                                          ],
-                                                    accept_multiple_files=True,
-                                                          )
+    langcode = st.selectbox("ISO code for input language. Allosaurus doesn't need this, but it can improve accuracy", 
+                            options=supported_codes, 
+                            index=index_of_desired_default,
+                            format_func=get_langcode_with_description
+                            )
+    
+    model = read_recognizer()
+    description = get_langcode_description(langcode, url=True)
   
-  results = {} # for better download/display
+    st.write(f"Instructing Allosaurus to recognize using language {langcode}. That is, {description}")
   
-  uploaded_files_count = len(uploaded_files)
-  suppress_output_threshold = 2
-  my_bar = st.progress(0)
-  for i, uploaded_file in enumerate(uploaded_files):
     
-    if uploaded_file is not None:            
-      wav_file = get_path_to_wav_format(uploaded_file, uploaded_files_count>suppress_output_threshold)    
-      result = model.recognize(wav_file, langcode)
-      results[uploaded_file.name] = result
-    files_done = i+1
-    my_bar.progress(files_done/uploaded_files_count)
-  st.write(results)    
+    uploaded_files = st.file_uploader("Choose a file", type=[
+                                                            ".wav", 
+                                                            ".mp3", 
+                                                            ],
+                                                      accept_multiple_files=True,
+                                                            )
+    
+    submitted = st.form_submit_button("Submit")
+    if submitted:
+      results = {} # for better download/display
+      
+      uploaded_files_count = len(uploaded_files)
+      suppress_output_threshold = 2
+      my_bar = st.progress(0)
+      for i, uploaded_file in enumerate(uploaded_files):
+        
+        if uploaded_file is not None:            
+          wav_file = get_path_to_wav_format(uploaded_file, uploaded_files_count>suppress_output_threshold)    
+          result = model.recognize(wav_file, langcode)
+          results[uploaded_file.name] = result
+        files_done = i+1
+        my_bar.progress(files_done/uploaded_files_count)
+      st.write(results)