Changes between Version 17 and Version 18 of PythonGotchas

Timestamp:

Jul 24, 2019, 1:43:05 PM (5 years ago)

Author:

Mike Taves

Comment:

Python 3 fixes

PythonGotchas

@@ -51 +51 @@
 >>> dataset = gdal.Open('C:\\RandomData.img')
 >>> band = dataset.GetRasterBand(1)
->>> print band.Checksum()
+>>> print(band.Checksum())
 31212
 }}}
@@ -72 +72 @@
 #!python
 >>> from osgeo import gdal
->>> print gdal.Open('C:\\RandomData.img').GetRasterBand(1).Checksum()
+>>> print(gdal.Open('C:\\RandomData.img').GetRasterBand(1).Checksum())
 < Python crashes >
 }}}
@@ -101 +101 @@
 >>> feature.SetGeometryDirectly(point)    # Transfers ownership of the C++ geometry from point to feature
 >>> del feature                           # point becomes implicitly invalid, because feature owns the C++ geometry
->>> print point.ExportToWkt()             # Crash here
+>>> print(point.ExportToWkt())            # Crash here
 < Python crashes >
 }}}
@@ -134 +134 @@
 >>> for i in range( 0, lyr.GetFeatureCount() ):
 ...    feat = lyr.GetFeature( i )
-...    print feat                                     # this will print one feat, but it's the first feat in the Layer and not the filtered feat  
+...    print(feat)                                    # this will print one feat, but it's the first feat in the Layer and not the filtered feat  
 ...
 }}}
@@ -240 +240 @@
         gdal.Error(gdal.CE_Warning,1,'Test warning message')
     except Exception as e:
-        print 'Operation raised an exception'
-        raise
+        print('Operation raised an exception')
+        raise e
     else:
         if err.err_level >= gdal.CE_Warning:
-            print 'Operation raised an warning'
+            print('Operation raised an warning')
             raise RuntimeError(err.err_level, err.err_no, err.err_msg)
     finally: