change storing configuration

app.py

@@ -1,6 +1,7 @@
 """
 
 """
+# binding propagation for 7 active links took 0.013 s
 import os
 import numpy as np
 import time
@@ -30,7 +31,7 @@ pio.templates["plotly_light"].layout['yaxis']['gridcolor'] = 'lightgray'
 pio.templates["plotly_light"].layout['yaxis']['zerolinecolor'] = 'lightgray'
   
 ELM = {
-  'name': 'tempplot',
+  'name': 'tempview',
   'filedir': './data',
   'filename': None,
   'label_file_fmt': 'File: {filename}',
@@ -43,6 +44,43 @@ ELM = {
   'update_timeout': 1.0,
   'label_update_last_fmt': 'Last refresh: {last}',
 }
+SK = ['dark_mode', 'time_range', 'timer', 'filename']
+SKFB = [False, 6.0, False, None]
+
+def set(key, value):
+  ELM[key] = value
+  # app.storage.user[key] = value
+  # app.storage.tab[key] = value
+  return value
+
+def get(key):
+  return ELM[key]
+
+def save(k, v):
+  app.storage.tab[k] = v
+  return v
+
+def load(k, fb=None):
+  return app.storage.tab.get(k, fb)
+
+# def load(k=None, fb=None):
+#   if k is None:
+#     ks = SK
+#   elif isinstance(k, str):
+#     ks = [k]
+#   else:
+#     ks = k
+
+#   if fb is None:
+#     fbs = SKFB
+#   elif isinstance(fb, str):
+#     fbs = [fb]
+#   else:
+#     fbs = fb
+
+#   for k, fb in zip(ks, fbs):
+#     # ELM[k] = app.storage.user.get(k, None)
+#     ELM[k] = app.storage.tab.get(k, fb)
 
 def main_cli():
   import argparse
@@ -87,14 +125,16 @@ def np2pgo(x, y, label=None):
     res.update({'name': label})
   return res
 
-def fntl():
-  if ELM['filename'] is not None:
-    return os.path.relpath(ELM['filename'], ELM['filedir'])
+def fntl(filename, filedir):
+  # if ELM['filename'] is not None:
+  #   return os.path.relpath(ELM['filename'], ELM['filedir'])
+  if filename is not None and filename and filedir is not None:
+    return os.path.relpath(filename, filedir)
 
-def fnttt():
+def fnttt(filename):
   res = None
-  if ELM['filename'] is not None:
-    fn = os.path.basename(ELM['filename'])
+  if filename is not None and filename:
+    fn = os.path.basename(filename)
     n = len(fn)
     if n == 18:
       res = f'{fn[:4]}-{fn[4:6]}-{fn[6:8]} {fn[8:10]}:{fn[10:12]}:{fn[12:14]}'
@@ -128,11 +168,12 @@ async def pick_file() -> None:
   # ui.notify(f'You chose {result}')
   if result:
     filename = result[-1]
-    ELM['filename'] = filename
+    # ELM['filename'] = filename
+    save('filename', filename)
     # see timer below, but still here active b/c the time might be inactive
     ui.timer(0, lambda: update_data(), once=True)
 
-def get_data(filename=ELM['filename']):
+def get_data(filename=None):
   data = None
   if filename is not None and os.path.isfile(filename):
     data = np.genfromtxt(fname=filename, skip_header=1, max_rows=2)
@@ -154,7 +195,8 @@ async def update_data():
   if not app.storage.user['timer'] \
      or time.time() - ELM['update_last'] > ELM['update_timeout']:
     ELM['update_busy'] = True
-    filename=ELM['filename']
+    # filename=ELM['filename']
+    filename = load('filename')
     t1 = time.time()
     data_all = await run.cpu_bound(get_data, filename)
     t2 = time.time()
@@ -263,7 +305,15 @@ def update_fig():
     rangemode="nonnegative")
 
 @ui.page('/')
-def index():
+async def index():
+  await ui.context.client.connected()
+  
+  # print(app.storage.browser.get('filename', None))
+  # app.storage.browser['filename'] = 'foo'
+  # print(app.storage.browser.get('filename', None))
+  
+  print(app.storage.tab.get('filename', None))
+
   # initialize objects
   pio.templates.default = 'plotly_dark'
   ELM['fig'] = prs.FigureResampler(pgo.Figure()).set_subplots(
@@ -307,11 +357,12 @@ def index():
     ).bind_value(app.storage.user, 'dark_mode').props('icon="dark_mode"')
 
   with ui.row():
-    ELM['label_file'] = ui.label(ELM['label_file_fmt'].format(filename=fntl())) \
+    set('filename', load('filename'))
+    ELM['label_file'] = ui.label(ELM['label_file_fmt'].format(filename=fntl(get('filename'), get('filedir')))) \
                           .bind_text_from(ELM, 'filename',
-                                          lambda filename: ELM['label_file_fmt'].format(filename=fntl()))
+                                          lambda filename: ELM['label_file_fmt'].format(filename=fntl(get('filename'), get('filedir'))))
     ELM['label_file_tt'] = ui.tooltip(None) \
-                             .bind_text_from(ELM, 'filename', lambda filename: fnttt()) \
+                             .bind_text_from(ELM, 'filename', lambda filename: fnttt(get('filename'))) \
                              .bind_visibility_from(ELM, 'filename', bool) \
                              .move(ELM['label_file'])
     ELM['label_data_len'] = ui.label(ELM['label_data_len_fmt'].format(num=0, numa=0))