Transaction loading spinner

uitlezen_laadpaal.py

@@ -45,65 +45,34 @@ def fetch_page(offset):
     r.raise_for_status()
     return r.text
 
-def _probe_max_offset():
-    """Doe één request met een enorm offset-nummer om het hoogste record-nummer te vinden."""
-    raw = fetch_page(999_999_999)
-    offsets = re.findall(r'^(\d+)_\w+:', raw, re.MULTILINE)
-    return max(int(x) for x in offsets) if offsets else None
-
-def _print_progress(current, total, width=40):
-    import sys
-    pct = min(current / total, 1.0)
-    filled = int(width * pct)
-    bar = '#' * filled + '-' * (width - filled)
-    line = f"  [{bar}] {pct*100:5.1f}%  (record {current}/{total})"
-    sys.stdout.write(f"\r{line:<70}")
-    sys.stdout.flush()
-
 def get_all_raw():
     """Haalt alle transactiepagina's op via paginering.
     Stopt zodra de record-nummers terugvallen (circulaire buffer bereikt).
     """
-    import sys
-
-    print("  Bepalen totaal aantal records...", end='', flush=True)
-    max_record = _probe_max_offset()
-    if max_record:
-        print(f" max record = {max_record}")
-    else:
-        print(" onbekend, toon teller")
+    import sys, itertools
+    spin = itertools.cycle('|/-\\')
 
     all_raw = ""
     offset = 0
 
     while True:
+        sys.stdout.write(next(spin) + '\b')
+        sys.stdout.flush()
         raw = fetch_page(offset)
 
         stripped = raw.strip().rstrip('}').strip()
         if not stripped or stripped in ('{"version":2,', '{"version":2'):
-            if max_record:
-                _print_progress(max_record, max_record)
-            print("\n  Klaar.")
             break
 
         all_raw += raw
 
         offsets = re.findall(r'^(\d+)_\w+:', raw, re.MULTILINE)
         if not offsets:
-            print("\n  Klaar.")
             break
 
         next_offset = max(int(x) for x in offsets) + 1
 
-        if max_record:
-            _print_progress(next_offset, max_record)
-        else:
-            sys.stdout.write(f"\r  Record {next_offset}...")
-            sys.stdout.flush()
-
-        # Circulaire buffer: nummers vallen terug → we hebben alles gehad
         if next_offset <= offset:
-            print("\n  Klaar (circulaire buffer).")
             break
 
         offset = next_offset
@@ -293,10 +262,13 @@ if __name__ == "__main__":
 
     login()
     try:
-        print("\nTransacties ophalen...")
+        print("\nTransacties ophalen...", end=' ', flush=True)
         raw = get_all_raw()
+        print("Verwerken...", end=' ', flush=True)
         transactions = parse_transactions(raw)
+        print("Klaar.\n")
         print_summary(transactions)
+        print("Opslaan als CSV...", end=' ', flush=True)
         save_as_csv(raw, device_id)
     finally:
         logout()