[GRASS-SVN] r55924 - grass/trunk/lib/python/pygrass/vector
svn_grass at osgeo.org
svn_grass at osgeo.org
Sat Apr 20 02:33:04 PDT 2013
Author: zarch
Date: 2013-04-20 02:33:04 -0700 (Sat, 20 Apr 2013)
New Revision: 55924
Modified:
grass/trunk/lib/python/pygrass/vector/table.py
Log:
Fix isertion of numpy values on a sqlite table and fix some spaces
Modified: grass/trunk/lib/python/pygrass/vector/table.py
===================================================================
--- grass/trunk/lib/python/pygrass/vector/table.py 2013-04-20 09:30:42 UTC (rev 55923)
+++ grass/trunk/lib/python/pygrass/vector/table.py 2013-04-20 09:33:04 UTC (rev 55924)
@@ -8,6 +8,7 @@
"""
import ctypes
+import numpy as np
try:
from collections import OrderedDict
@@ -142,7 +143,7 @@
For a postgreSQL table: ::
>>> import psycopg2 as pg #doctest: +SKIP
- >>> cols_pg = Columns('boundary_municp_pg',
+ >>> cols_pg = Columns('boundary_municp_pg',
... pg.connect('host=localhost dbname=grassdb')) #doctest: +SKIP
>>> cols_pg.tname #doctest: +SKIP
'boundary_municp_pg' #doctest: +SKIP
@@ -467,7 +468,7 @@
>>> 'CHILD' in cols_pg # doctest: +SKIP
False
>>> remove('mycensus','vect')
-
+
..
"""
cur = self.conn.cursor()
@@ -626,6 +627,12 @@
"""
if self.driver == 'sqlite':
import sqlite3
+ # Numpy is using some custom integer data types to efficiently
+ # pack data into memory. Since these types aren't familiar to
+ # sqlite, you'll have to tell it about how to handle them.
+ for t in (np.int8, np.int16, np.int32, np.int64, np.uint8,
+ np.uint16, np.uint32, np.uint64):
+ sqlite3.register_adapter(t, long)
return sqlite3.connect(get_path(self.database))
elif self.driver == 'pg':
try:
@@ -664,7 +671,7 @@
... '$GISDBASE/$LOCATION_NAME/PERMANENT/sqlite/sqlite.db',
... 'sqlite')
>>> link.info()
- layer: 1
+ layer: 1
name: link0
table: census
key: cat
@@ -673,7 +680,7 @@
..
"""
- print "layer: ", self.layer
+ print "layer: ", self.layer
print "name: ", self.name
print "table: ", self.table_name
print "key: ", self.key
@@ -874,7 +881,7 @@
def n_rows(self):
"""Return the number of rows
-
+
>>> import sqlite3
>>> path = '$GISDBASE/$LOCATION_NAME/PERMANENT/sqlite/sqlite.db'
>>> tab_sqlite = Table(name='census',
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