# HG changeset patch
# User Iannis <i.binietoglou@impworks.gr>
# Date 1535126590 -10800
# Node ID a2be81b7ace3ff4c37c222a128b91cf5cb1637c5
# Parent  6be372caf9fdcc7766a0c32f848810b1990cac99
A start for reading DIVA files.

diff -r 6be372caf9fd -r a2be81b7ace3 atmospheric_lidar/diva.py
--- a/atmospheric_lidar/diva.py	Thu Jun 21 16:41:32 2018 +0300
+++ b/atmospheric_lidar/diva.py	Fri Aug 24 19:03:10 2018 +0300
@@ -8,13 +8,16 @@
 import datetime
 import os
 import numpy as np
+import logging
 
 import pytz
 
 from .generic import BaseLidarMeasurement
 
+logger = logging.getLogger(__name__)
 
-class DivaOutput(BaseLidarMeasurement):
+
+class DivaMixin:
 
     def save_as_diva_netcdf(self, output_path, parameter_file):
         """ Save the current data in the 'draft' DIVA format. """
@@ -413,3 +416,48 @@
             raise ValueError('Emission polarization not one of {0}: {1}'.format(choices.keys(), pol_string))
 
         return choices[pol_string]
+
+
+class DivaLidarMeasurement(BaseLidarMeasurement):
+
+    def __init__(self, file_list):
+        """
+        This is run when creating a new object.
+
+        Parameters
+        ----------
+        file_list : list or str
+           A list of the full paths to the input file(s).
+        """
+        if isinstance(file_list, str):
+            file_list = [file_list, ]
+        super(DivaLidarMeasurement, self).__init__(file_list=file_list)
+
+    def _import_file(self, filename):
+        """ Import data from a single DIVA file. """
+
+        logger.debug('Importing file {0}'.format(filename))
+        current_file = self.file_class(filename, use_id_as_name=self.use_id_as_name, licel_timezone=self.licel_timezone)
+        self.durations[current_file.filename] = current_file.duration()
+
+
+        self._create_or_append_channel(current_file)
+        file_laser_shots = []
+        self.laser_shots.append(file_laser_shots)
+
+
+class DivaChannel(object):
+
+    def __init__(self, file_name, channel_group):
+        """ This is run when first creating the object.
+
+        Parameters
+        ----------
+        file_name : str
+           The filename of the  diva dataset.
+        channel_group : str
+           The name of the netCDF4 group that holds the channel data.
+        """
+        self.file_name = file_name
+        self.channel_group = channel_group
+
diff -r 6be372caf9fd -r a2be81b7ace3 atmospheric_lidar/generic.py
--- a/atmospheric_lidar/generic.py	Thu Jun 21 16:41:32 2018 +0300
+++ b/atmospheric_lidar/generic.py	Fri Aug 24 19:03:10 2018 +0300
@@ -34,8 +34,8 @@
         
         Parameters
         ----------
-        file_list : list
-           A list of the full paths to the input file. 
+        file_list : list or str
+           A list of the full paths to the input file(s).
         """
         self.info = {}
         self.dimensions = {}
diff -r 6be372caf9fd -r a2be81b7ace3 atmospheric_lidar/licel.py
--- a/atmospheric_lidar/licel.py	Thu Jun 21 16:41:32 2018 +0300
+++ b/atmospheric_lidar/licel.py	Fri Aug 24 19:03:10 2018 +0300
@@ -5,7 +5,8 @@
 import numpy as np
 import pytz
 
-from generic import BaseLidarMeasurement, LidarChannel
+from .generic import BaseLidarMeasurement, LidarChannel
+from .diva import DivaMixin
 
 logger = logging.getLogger(__name__)
 
@@ -589,3 +590,7 @@
         This requires changes in generic.py
         """
         raise NotImplementedError("Subsetting by time, not yet implemented for Licel files.")
+
+
+class LicelDivaLidarMeasurement(DivaMixin, LicelLidarMeasurement):
+    pass
\ No newline at end of file