Create app.py

app.py

@@ -0,0 +1,54 @@
+
+import streamlit as st 
+import os
+import sys
+import subprocess
+import shlex
+from datetime import datetime
+
+def save(s: subprocess.CompletedProcess):
+    if 'outputs' not in st.session_state:
+        st.session_state['outputs'] = []
+    st.session_state['outputs'].append({
+            'returned_at': datetime.now(),
+            'args': s.args,
+            'stdout': str(s.stdout),
+            'return_code': s.returncode,
+            'stderr': str(s.stderr),
+        })
+
+def list_files(startpath):
+    l = []
+    for root, dirs, files in os.walk(startpath):
+        level = root.replace(startpath, '').count(os.sep)
+        indent = ' ' * 4 * (level)
+        l.append('{}{}/'.format(indent, os.path.basename(root)))
+        subindent = ' ' * 4 * (level + 1)
+        for f in files:
+            l.append('{}{}'.format(subindent, f))
+            print('{}{}'.format(subindent, f))
+    return '\n'.join(l)
+
+st.title("🌐 Streamlit Shell 🌐")
+with st.expander("diagnostic"):
+    st.code(list_files(os.getcwd()))
+    st.code(f"sys.path: {sys.path}")
+    st.code(f"sys.argv: {sys.argv}" )
+    st.code(f"sys.executable: {sys.executable}")
+    st.code(f"sys.flags: {sys.flags}")
+
+cmd_txt = st.text_input("command input: ", help='This will call a simple subprocess.run(<input>). The input is best effort parsed by shlex')
+if cmd_txt and cmd_txt != "":
+    try:
+        s = subprocess.run(shlex.split(cmd_txt), capture_output=True)
+        save(s)
+        if s.returncode!= 0: 
+            st.warning(f'non-zero return: {s.returncode}', icon="⚠️")
+        st.code(s.stdout.decode())
+    except Exception as inst:
+        st.error(inst)
+
+
+if 'outputs' in st.session_state:
+    st.caption('hint: double click on long outputs')
+    st.dataframe(st.session_state['outputs'])