Implement SoundingSample.__str__()

lib/xmet/sounding.py

@@ -53,6 +53,25 @@ class SoundingSample(DatabaseTable):
         self.wind_dir:    float = None
         self.wind_speed:  float = None
 
+    def __str__(self):
+        parts = [
+            ("%.2fmb" % self.pressure)
+        ]
+
+        if self.height is not None:
+            parts.append("%.1fm" % self.height)
+
+        if self.temp is not None:
+            parts.append("%.1f°C" % self.temp)
+
+        if self.dewpoint is not None:
+            parts.append("%.1f°C Td" % self.dewpoint)
+
+        if self.wind_speed is not None and self.wind_dir is not None:
+            parts.append("%.1fkt @ %.1f°" % (self.wind_speed, self.wind_dir))
+
+        return ' '.join(parts)
+
     def is_saturated(self) -> bool:
         return self.humidity >= 100.0