Merge branch 'master' of https://github.com/isce-framework/isce2 into UAVSAR

components/isceobj/Orbit/Orbit.py

@@ -1053,12 +1053,20 @@ class Orbit(Component):
         return tguess, rng
 
 
-    def exportToC(self):
+    def exportToC(self, reference=None):
         from isceobj.Util import combinedlibmodule
         orb = []
 
+        ###Continue usage as usual if no reference is provided
+        ###This wont break the old interface but could cause 
+        ###issues at midnight crossing
+        if reference is None:
+            reference = self.minTime()
+
+        refEpoch = reference.replace(hour=0, minute=0, second=0, microsecond=0)
+
         for sv in self._stateVectors:
-            tim = DTU.seconds_since_midnight(sv.getTime())
+            tim = (sv.getTime() - refEpoch).total_seconds()
             pos = sv.getPosition()
             vel = sv.getVelocity()
 

components/zerodop/geo2rdr/Geo2rdr.py

@@ -34,6 +34,7 @@ from isceobj import Constants as CN
 from iscesys.Component.Component import Component, Port
 from zerodop.geo2rdr import geo2rdr
 from iscesys.ImageUtil.ImageUtil import ImageUtil as IU
+from iscesys import DateTimeUtil as DTU
 from isceobj.Util import combinedlibmodule
 from isceobj.Util.Poly1D import Poly1D
 from isceobj.Util.Poly2D import Poly2D
@@ -243,7 +244,7 @@ class Geo2rdr(Component):
             azimuthOffAcc = self.azimuthOffsetImage.getImagePointer()
 
 
-        cOrbit = self.orbit.exportToC()
+        cOrbit = self.orbit.exportToC(reference=self.sensingStart)
         geo2rdr.setOrbit_Py(cOrbit)
 
         #####Output cropped DEM for first band
@@ -393,7 +394,7 @@ class Geo2rdr(Component):
         geo2rdr.setDopplerAccessor_Py(self.polyDopplerAccessor)
         geo2rdr.setPRF_Py(float(self.prf))
         geo2rdr.setRadarWavelength_Py(float(self.radarWavelength))
-        geo2rdr.setSensingStart_Py(float(self.sensingStart))
+        geo2rdr.setSensingStart_Py(DTU.seconds_since_midnight(self.sensingStart))
         geo2rdr.setLength_Py(int(self.length))
         geo2rdr.setWidth_Py(int(self.width))
         geo2rdr.setNumberRangeLooks_Py(int(self.numberRangeLooks))
@@ -424,9 +425,7 @@ class Geo2rdr(Component):
         self.radarWavelength = float(var)
 
     def setSensingStart(self,var):
-        rtime = datetime.datetime.combine(var.date(), datetime.time(0,0,0))
-        secs = (var - rtime).total_seconds()
-        self.sensingStart = float(secs)
+        self.sensingStart = var
 
     def setLength(self,var):
         self.length = int(var)

components/zerodop/geozero/Geozero.py

@@ -34,6 +34,7 @@ from isceobj import Constants as CN
 from iscesys.Component.Component import Component, Port
 from zerodop.geozero import geozero
 from iscesys.ImageUtil.ImageUtil import ImageUtil as IU
+from iscesys import DateTimeUtil as DTU
 from isceobj.Util import combinedlibmodule
 from isceobj.Util.Poly1D import Poly1D
 import os
@@ -221,7 +222,7 @@ class Geocode(Component):
         complexFlag = self.inputImage.dataType.upper().startswith('C')
         nBands = self.inputImage.getBands()
 
-        cOrbit = self.orbit.exportToC()
+        cOrbit = self.orbit.exportToC(reference=self.sensingStart)
         geozero.setOrbit_Py(cOrbit)
 
         #####Output cropped DEM for first band
@@ -347,7 +348,7 @@ class Geocode(Component):
         geozero.setDopplerAccessor_Py(self.polyDopplerAccessor)
         geozero.setPRF_Py(float(self.prf))
         geozero.setRadarWavelength_Py(float(self.radarWavelength))
-        geozero.setSensingStart_Py(float(self.sensingStart))
+        geozero.setSensingStart_Py(DTU.seconds_since_midnight(self.sensingStart))
         geozero.setFirstLatitude_Py(float(self.firstLatitude))
         geozero.setFirstLongitude_Py(float(self.firstLongitude))
         geozero.setDeltaLatitude_Py(float(self.deltaLatitude))
@@ -392,9 +393,7 @@ class Geocode(Component):
         self.radarWavelength = float(var)
 
     def setSensingStart(self,var):
-        rtime = datetime.datetime.combine(var.date(), datetime.time(0,0,0))
-        secs = (var - rtime).total_seconds()
-        self.sensingStart = float(secs)
+        self.sensingStart = var
 
     def setFirstLatitude(self,var):
         self.firstLatitude = float(var)

components/zerodop/topozero/Topozero.py

@@ -120,7 +120,7 @@ class Topo(Component):
 
         self.setState()
 
-        cOrbit = self.orbit.exportToC()
+        cOrbit = self.orbit.exportToC(reference=self.sensingStart)
         topozero.setOrbit_Py(cOrbit)
         topozero.topo_Py(self.demAccessor, self.polyDopplerAccessor, self.slantRangeAccessor)
         combinedlibmodule.freeCOrbit(cOrbit)

configuration/buildHelper.py

@@ -98,10 +98,10 @@ def main(factoryFile,package,buildDir):
 #    import isce
     import filecmp
     try:
-        import imp
+        import importlib
         factoryFile = os.path.abspath(factoryFile)
-        mod = imp.find_module(factoryFile.replace('.py',''))
-        factModule = imp.load_module(factoryFile.replace('.py',''),mod[0],mod[1],mod[2])
+        mod = importlib.util.spec_from_file_location('.', factoryFile)
+        factModule = mod.loader.load_module()
         factoriesInfo = factModule.getFactoriesInfo()
         nameList = []
         for k,v in factoriesInfo.items():

contrib/stack/stripmapStack/stripmapWrapper.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
-import os, imp, sys
+import os, sys
+import importlib
 import argparse
 import configparser
 
@@ -21,7 +22,7 @@ class ConfigParser:
     # Setting up and reading config 
     Config = configparser.ConfigParser()
     Config.optionxform = str
-    Config.readfp(content)
+    Config.read_file(content)
 
     # Reading the function sequence followed by input parameters 
     # followed by the function parameters
@@ -94,14 +95,12 @@ class ConfigParser:
 
     # If any of the following calls raises an exception,
     # there's a problem we can't handle -- let the caller handle it.
-    fp, pathname, description = imp.find_module(name)
+    spec = importlib.util.find_spec(name)
 
     try:
-      return imp.load_module(name, fp, pathname, description)
-    finally:
-      # Since we may exit via an exception, close fp explicitly.
-      if fp:
-        fp.close()
+      return spec.loader.load_module()
+    except ImportError:
+      print('module {} not found'.format(name))
 
 # Check existence of the input file
 def  check_if_files_exist(Files, ftype='input'):

contrib/stack/topsStack/SentinelWrapper.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
-import os, imp, sys
+import os, sys
+import importlib
 import argparse
 import configparser
 
@@ -22,7 +23,7 @@ class ConfigParser:
     # Setting up and reading config 
     Config = configparser.ConfigParser()
     Config.optionxform = str
-    Config.readfp(content)
+    Config.read_file(content)
 
     # Reading the function sequence followed by input parameters 
     # followed by the function parameters
@@ -157,14 +158,12 @@ class ConfigParser:
 
     # If any of the following calls raises an exception,
     # there's a problem we can't handle -- let the caller handle it.
-    fp, pathname, description = imp.find_module(name)
+    spec = importlib.util.find_spec(name)
 
     try:
-      return imp.load_module(name, fp, pathname, description)
-    finally:
-      # Since we may exit via an exception, close fp explicitly.
-      if fp:
-        fp.close()
+      return spec.loader.load_module()
+    except ImportError:
+      print('module {} not found'.format(name))
 
 # Check existence of the input file
 def  check_if_files_exist(Files, ftype='input'):