Axis ranges (#106)

* fixed out of bounds graphs

* format

* maintainability out you go

* maintainability out you go again

* removed logg import and line

* clarity improved

* fixed comments

* format

---------

Co-authored-by: FrederikRothe <[email protected]>

figures/line.py

@@ -1,8 +1,9 @@
 from cmath import pi
 from collections import defaultdict
+import logging
 from bokeh.plotting import figure
 from modu.dashboard.figure import Figure
-from bokeh.models import DatetimeTickFormatter
+from bokeh.models import DatetimeTickFormatter, Range1d
 
 
 class LineChart(Figure):
@@ -21,10 +22,22 @@ def _get_line(self, data, key):
             y_axis_label="No. Violations",
         )
         p.line(x, y, legend_label="Progress", line_width=2)
+        try:
+            p.y_range = Range1d(0, (int(max(y)) * 1.1))
+        except ValueError:
+            logging.warning(("No data to plot created for", key))
+            return
         return p
 
     def get_figure(self):
-        result = [self._get_line(self._data, key) for key in self._data]
+        result = []
+        for key in self._data:
+            output = self._get_line(self._data, key)
+            if (
+                output is None
+            ):  # If output is None, the data is not suited for line graphs. Skip it.
+                continue
+            result.append(output)
         return result