first potentially useful version

utils/fileio.py

@@ -0,0 +1,40 @@
+import pandas as pd
+
+
+def load_csv(fname):
+    fname = fix_file_ext(fname, "csv")
+    return pd.read_csv(fname, index_col=0, comment="#", float_precision="high")    
+
+def store_csv(df, fname, meta=None):
+    fname = fix_file_ext(fname, "csv")
+    with open(fname, "w") as f:
+        if meta is not None:
+            f.write(f"# {meta}\n")
+        df.to_csv(f)
+
+def fix_file_ext(fn, ext):
+    if not ext.startswith("."):
+        ext = "." + ext
+    if not fn.endswith(ext):
+        fn += ext
+    return fn
+
+
+def load_config(fname):
+    chans = set()
+    for line in read_lines(fname):
+        line = remove_comments(line).strip()
+        if not line:
+            continue
+        chans.add(line)
+    return sorted(chans)
+
+def read_lines(fname):
+    with open(fname, "r") as f:
+        yield from f
+
+def remove_comments(line, comment_char="#"):
+    return line.split(comment_char)[0]
+
+
+