py3 integer division

himawari/HimawariInterface.py

 HIMAWARI_INTERFACE = """# 1 "../include/HimawariTypes.h"
 # 1 "<built-in>" 1
 # 1 "<built-in>" 3
-# 325 "<built-in>" 3
+# 330 "<built-in>" 3
 # 1 "<command line>" 1
 # 1 "<built-in>" 2
 # 1 "../include/HimawariTypes.h" 2
@@ -144,7 +144,7 @@ extern const struct HimawariSentinels DEFAULT_HCAST_SENTINELS;
 # 1 "../include/HimawariConstants.h"
 # 1 "<built-in>" 1
 # 1 "<built-in>" 3
-# 325 "<built-in>" 3
+# 330 "<built-in>" 3
 # 1 "<command line>" 1
 # 1 "<built-in>" 2
 # 1 "../include/HimawariConstants.h" 2
@@ -170,7 +170,7 @@ const int NAVOPT_DEFAULT = NAVOPT_CORRECT_DATA;
 # 1 "../include/HimawariErrors.h"
 # 1 "<built-in>" 1
 # 1 "<built-in>" 3
-# 325 "<built-in>" 3
+# 330 "<built-in>" 3
 # 1 "<command line>" 1
 # 1 "<built-in>" 2
 # 1 "../include/HimawariErrors.h" 2
@@ -203,7 +203,7 @@ const int WARNING_SOME_DATA_MISSING = 1;
 # 1 "../include/HimawariFunctions.h"
 # 1 "<built-in>" 1
 # 1 "<built-in>" 3
-# 325 "<built-in>" 3
+# 330 "<built-in>" 3
 # 1 "<command line>" 1
 # 1 "<built-in>" 2
 # 1 "../include/HimawariFunctions.h" 2

himawari/HimawariScene.py

@@ -79,7 +79,7 @@ class HimawariScene(object):
     @property
     def satellite_name(self):
         meta = self.metadata
-        name = ffi.string(meta.satellite_name).strip(' \0')
+        name = str(meta.satellite_name).strip(' \0')
         return name
 
     def __init__(self, path, sentinel_invalid=None, sentinel_outside_scan=None,
@@ -89,7 +89,7 @@ class HimawariScene(object):
         sentinels.count_outside_scan = 0  # use value specified in file
         sentinels.derived_invalid = sentinel_invalid if (sentinel_invalid is not None) else np.NAN
         sentinels.derived_outside_scan = sentinel_outside_scan if (sentinel_outside_scan is not None) else np.NAN
-        self._handle = _hsd.openHimawariScene(path, ffi.NULL, sentinels)
+        self._handle = _hsd.openHimawariScene(path.encode('UTF-8'), ffi.NULL, sentinels)
         self._path = path
         self._match_band_sampling = downsample_to_band
         self._nav_options = nav_options
@@ -212,9 +212,9 @@ class HimawariScene(object):
 
     def _copyData(self, routine, line_stride=1, column_stride=1, line_offset=0, column_offset=0, lines=0, columns=0, downsample_to_band=0):
         if lines<=0:
-            lines = (self.shape[0] - line_offset) / line_stride
+            lines = int((self.shape[0] - line_offset) / line_stride)
         if columns<=0:
-            columns = (self.shape[1] - column_offset) / column_stride
+            columns = int((self.shape[1] - column_offset) / column_stride)
         # DEBUG
         LOG.debug('fetching %dx%d LxC data using %r' % (lines, columns, routine))
         # data = np.empty(shape=(lines+100, columns), dtype=np.float32)
@@ -247,9 +247,9 @@ class HimawariScene(object):
         """
         LOG.debug('fetching %dx%d LxC coords' % (lines, columns))
         if lines==0:
-            lines = (self.shape[0] - line_offset) /  line_stride
+            lines = int((self.shape[0] - line_offset) /  line_stride)
         if columns==0:
-            columns = (self.shape[1] - column_offset) / column_stride
+            columns = int((self.shape[1] - column_offset) / column_stride)
 
         ydata = np.empty(shape=(lines, columns), dtype=np.float32)
         xdata = np.empty(shape=(lines, columns), dtype=np.float32)
@@ -439,10 +439,10 @@ def test_stride_scene(stem, stride=2):
     # pprint(radA[1500:1504,1500:1504])
     # pprint(radB[1500:1504,1500:1504])
 
-    assert(radB.shape[0] == hime.shape[0]/stride)
-    assert(radB.shape[1] == hime.shape[1]/stride)
-    assert(radA.shape[0] == hime.shape[0]/stride)
-    assert(radA.shape[1] == hime.shape[1]/stride)
+    assert(radB.shape[0] == int(hime.shape[0]/stride))
+    assert(radB.shape[1] == int(hime.shape[1]/stride))
+    assert(radA.shape[0] == int(hime.shape[0]/stride))
+    assert(radA.shape[1] == int(hime.shape[1]/stride))
     return np.all(np.equal(radA, radB).ravel())
 
 
@@ -641,13 +641,13 @@ def test_jma_nav(stem):
         pc,pl = (c-1),(l-1)  # convert to offsets properly
         # pc,pl = (c-0),(l-1)  # FIXME convert to offsets with extra WTF
         print("hPix=%10.5f hLin=%10.5f pl=%d pc=%d" % (sx[pl, pc], sy[pl, pc], pl, pc))
-        print("(Lon,Lat)(%9.3f,%9.3f) --> count value = %d" % (
+        print("(Lon,Lat)(%9.3f,%9.3f) --> count value = %s" % (
         geo.longitude[pl, pc], geo.latitude[pl, pc], counts[pl, pc]))
     for c,l in coords:
         pc,pl = (c-1),(l-1)  # convert to offsets properly
         # pc,pl = (c-0),(l-1)  # FIXME convert to offsets with extra WTF
         print(
-            "(Lon,Lat)(%9.3f,%9.3f) --> radiance = %7.4f" % (geo.longitude[pl, pc], geo.latitude[pl, pc], rad[pl, pc]))
+            "(Lon,Lat)(%9.3f,%9.3f) --> radiance = %s" % (geo.longitude[pl, pc], geo.latitude[pl, pc], rad[pl, pc]))
 
     return True