Move documentation and simulation stuff to its own subdir

doc/spectrum_progress.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+import sqlite3
+import argparse
+import time
+
+import tqdm
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser()
+    parser.add_argument('-d', '--database', nargs='?', default='spectra.sqlite3')
+    parser.add_argument('-u', '--update-delay', nargs='?', type=float, default=1.0)
+    parser.add_argument('max_step', nargs='?', type=int, default=250)
+    args = parser.parse_args()
+
+    db = sqlite3.connect(args.database)
+    def current_step():
+        step, = db.execute(
+                'SELECT MAX(step) FROM measurements WHERE run_id = (SELECT MAX(run_id) FROM runs)'
+                ).fetchone()
+        return int(step)
+
+    def step_gen():
+        while True:
+            step = current_step()
+            yield step
+            if step >= args.max_step:
+                break
+            time.sleep(args.update_delay)
+
+    bar = tqdm.tqdm(total=args.max_step)
+    while True:
+        try:
+            for step in step_gen():
+                bar.update(step - bar.n)
+        except:
+            time.sleep(args.update_delay)