added better repr for DAQTask

slic/core/task/daqtask.py

@@ -1,3 +1,5 @@
+from slic.utils.printing import itemize
+
 from .task import Task
 
 
@@ -7,6 +9,14 @@ class DAQTask(Task):
         super().__init__(*args, **kwargs)
         self.filenames = homogenized_list(filename, filenames)
 
+    def __repr__(self):
+        res = super().__repr__()
+        if self.filenames:
+            items = itemize(self.filenames)
+            header = "Output files:"
+            res = "\n".join((res, header, items))
+        return res
+
 
 
 def homogenized_list(item, items):

slic/utils/printing.py

@@ -26,4 +26,11 @@ def format_header(msg, line_char="-"):
     return msg
 
 
+def itemize(iterable, bullet="-"):
+    if not bullet.endswith(" "):
+        bullet += " "
+    lines = (bullet + str(i) for i in iterable)
+    return "\n".join(lines)
+
+