Merge pull request #18 from vtoupet/master

Add pressure component (additional field MA1)

ish_parser/Components/PressureComponent.py

@@ -0,0 +1,11 @@
+from ..Pressure import Pressure
+from .BaseComponent import BaseComponent
+
+class PressureComponent(BaseComponent):
+  ''' handle MA1 pressure type '''
+
+  def loads(self, string):
+      self.pressure_observation = {
+          'altimeter_setting': Pressure(int(string[0:5])/10.0, Pressure.HECTOPASCALS, string[5:6]),
+          'station_pressure': Pressure(int(string[6:11]) / 10.0, Pressure.HECTOPASCALS, string[11:12]),
+      }

ish_parser/Components/__init__.py

@@ -7,3 +7,4 @@
 from .SkyCoverSummationComponent import SkyCoverSummationComponent
 from .SnowDepthComponent import SnowDepthComponent
 from .SolarIrradianceComponent import SolarIrradianceComponent
+from .PressureComponent import PressureComponent

ish_parser/ish_report.py

@@ -190,7 +190,7 @@ class ish_report(object):
          'KF1': ['HOURLY-CALCULATED-TEMP', 6],
          'KG1': ['AVERAGE-DEW_POINT', 11],
          'KG2': ['AVERAGE-DEW_POINT', 11],
-         'MA1': ['ATMOSPHERIC-PRESSURE', 12],
+         'MA1': ['ATMOSPHERIC-PRESSURE', 12, PressureComponent],
          'MD1': ['ATMOSPHERIC-PRESSURE-CHANGE', 11],
          'ME1': ['GEOPOTENTIAL-HEIGHT', 6],
          'MF1': ['ATMOSPHERIC-PRESSURE-STP-SLP', 12],