Changeset 4143 for spike/wktraster/scripts/rtreader.py

Timestamp:

06/05/09 10:06:48 (3 years ago)

Author:

mloskot

Message:

[wktraster] Added logging property to rtreader.RasterReader? class.

Files:

• spike/wktraster/scripts/rtreader.py (modified) (7 diffs)

spike/wktraster/scripts/rtreader.py

@@ -55 +55 @@
         self._sizes = None
         self._types = None
+        self._logging = False
         # Connect and read RASTER header
         self._setup()
@@ -60 +61 @@
     # Public properties
 
+    logging = property(fset = lambda self, v: setattr(self, '_logging', v))
     db = property(fget = lambda self: self._get_db())
     table = property(fget = lambda self: self._get_table())
@@ -73 +75 @@
         return self._query_value(band, x, y)
 
-    # Private methods 
-    
+    # Private methods
+
+    def _log(self, m):
+        if self._logging:
+            sys.stderr.write('[rtreader] ' + str(m) + '\n')
+
     def _get_db(self):
         n = filter(lambda db: db[:6] == 'dbname', self._connstr.split())[0].split('=')[1]
@@ -109 +115 @@
     def _query_single_row(self, sql):
         assert self._conn is not None
+        #self._log(sql)
+
         try:
             cur = self._conn.cursor()
@@ -125 +133 @@
         if len(self._where) > 0:
             sql += ' WHERE %s' % self._where
+
         row = self._query_single_row(sql)
         if row is None:
@@ -136 +145 @@
             if len(self._where) > 0:
                 sql += ' WHERE %s' % self._where
+                
+            self._log(sql)
             self._sizes = self._query_single_row(sql)
 
@@ -152 +163 @@
             sql += ' st_bandpixeltype(%s, %d) ' % (self._column, nband)
         sql += ' FROM ' + self._table
-        
         return self._query_single_row(sql)