本文整理汇总了Python中qgis.PyQt.QtCore.QTime类的典型用法代码示例。如果您正苦于以下问题：Python QTime类的具体用法？Python QTime怎么用？Python QTime使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了QTime类的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Python代码示例。
示例1: __init__
def __init__(self, db, sql, parent=None):
self.db = db.connector
t = QTime()
t.start()
c = self.db._execute(None, str(sql))
self._secs = t.elapsed() / 1000.0
del t
self._affectedRows = 0
data = []
header = self.db._get_cursor_columns(c)
if header is None:
header = []
try:
if len(header) > 0:
data = self.db._fetchall(c)
self._affectedRows = c.rowcount
except DbError:
# nothing to fetch!
data = []
header = []
BaseTableModel.__init__(self, header, data, parent)
# commit before closing the cursor to make sure that the changes are stored
self.db._commit()
c.close()
del c
开发者ID:Cracert，项目名称:Quantum-GIS，代码行数:30，代码来源:data_model.py
示例2: __init__
def __init__(self, db, sql, parent=None, layer=None, path=None):
t = QTime()
t.start()
if not layer:
tf = QTemporaryFile()
tf.open()
path = tf.fileName()
tf.close()
df = QgsVirtualLayerDefinition()
df.setFilePath(path)
df.setQuery(sql)
layer = QgsVectorLayer(df.toString(), "vv", "virtual")
self._secs = t.elapsed() / 1000.0
data = []
header = []
if not layer.isValid():
raise DbError(layer.dataProvider().error().summary(), sql)
else:
header = [f.name() for f in layer.fields()]
has_geometry = False
if layer.geometryType() != QgsWkbTypes.NullGeometry:
gn = getQueryGeometryName(path)
if gn:
has_geometry = True
header += [gn]
for f in layer.getFeatures():
a = f.attributes()
if has_geometry:
if f.hasGeometry():
a += [f.geometry().asWkt()]
else:
a += [None]
data += [a]
self._secs = 0
self._affectedRows = len(data)
BaseTableModel.__init__(self, header, data, parent)
开发者ID:CS-SI，项目名称:QGIS，代码行数:43，代码来源:data_model.py
示例3: __init__
def __init__(self, db, sql, parent=None):
# create a virtual layer with non-geometry results
t = QTime()
t.start()
tf = QTemporaryFile()
tf.open()
tmp = tf.fileName()
tf.close()
df = QgsVirtualLayerDefinition()
df.setFilePath(tmp)
df.setQuery(sql)
p = QgsVectorLayer(df.toString(), "vv", "virtual")
self._secs = t.elapsed() / 1000.0
if not p.isValid():
data = []
header = []
raise DbError(p.dataProvider().error().summary(), sql)
else:
header = [f.name() for f in p.fields()]
has_geometry = False
if p.geometryType() != QgsWkbTypes.NullGeometry:
gn = getQueryGeometryName(tmp)
if gn:
has_geometry = True
header += [gn]
data = []
for f in p.getFeatures():
a = f.attributes()
if has_geometry:
if f.hasGeometry():
a += [f.geometry().exportToWkt()]
else:
a += [None]
data += [a]
self._secs = 0
self._affectedRows = len(data)
BaseTableModel.__init__(self, header, data, parent)
开发者ID:GeoCat，项目名称:QGIS，代码行数:43，代码来源:data_model.py
示例4: __init__
def __init__(self, db, sql, parent=None):
# create a virtual layer with non-geometry results
q = QUrl.toPercentEncoding(sql)
t = QTime()
t.start()
tf = QTemporaryFile()
tf.open()
tmp = tf.fileName()
tf.close()
p = QgsVectorLayer("%s?query=%s" % (QUrl.fromLocalFile(tmp).toString(), q), "vv", "virtual")
self._secs = t.elapsed() / 1000.0
if not p.isValid():
data = []
header = []
raise DbError(p.dataProvider().error().summary(), sql)
else:
header = [f.name() for f in p.fields()]
has_geometry = False
if p.geometryType() != QGis.WKBNoGeometry:
gn = getQueryGeometryName(tmp)
if gn:
has_geometry = True
header += [gn]
data = []
for f in p.getFeatures():
a = f.attributes()
if has_geometry:
if f.geometry():
a += [f.geometry().exportToWkt()]
else:
a += [None]
data += [a]
self._secs = 0
self._affectedRows = len(data)
BaseTableModel.__init__(self, header, data, parent)
开发者ID:AM7000000，项目名称:QGIS，代码行数:41，代码来源:data_model.py
示例5: testDefaultValues
def testDefaultValues(self):
""" test detection of defaults on OGR layer """
tmpfile = os.path.join(self.basetestpath, 'testDefaults.sqlite')
ds = ogr.GetDriverByName('SQLite').CreateDataSource(tmpfile)
lyr = ds.CreateLayer('test', geom_type=ogr.wkbPoint, options=['FID=fid'])
lyr.CreateField(ogr.FieldDefn('field1', ogr.OFTInteger))
fld2 = ogr.FieldDefn('field2', ogr.OFTInteger)
fld2.SetDefault('5')
lyr.CreateField(fld2)
fld3 = ogr.FieldDefn('field3', ogr.OFTString)
fld3.SetDefault("'some ''default'")
lyr.CreateField(fld3)
fld4 = ogr.FieldDefn('field4', ogr.OFTDate)
fld4.SetDefault("CURRENT_DATE")
lyr.CreateField(fld4)
fld5 = ogr.FieldDefn('field5', ogr.OFTTime)
fld5.SetDefault("CURRENT_TIME")
lyr.CreateField(fld5)
fld6 = ogr.FieldDefn('field6', ogr.OFTDateTime)
fld6.SetDefault("CURRENT_TIMESTAMP")
lyr.CreateField(fld6)
ds = None
vl = QgsVectorLayer('{}'.format(tmpfile), 'test', 'ogr')
self.assertTrue(vl.isValid())
# test some bad indexes
self.assertFalse(vl.dataProvider().defaultValue(-1))
self.assertFalse(vl.dataProvider().defaultValue(1001))
# test default
self.assertEqual(vl.dataProvider().defaultValue(1), NULL)
self.assertEqual(vl.dataProvider().defaultValue(2), 5)
self.assertEqual(vl.dataProvider().defaultValue(3), "some 'default")
self.assertEqual(vl.dataProvider().defaultValue(4), QDate.currentDate())
# time may pass, so we allow 1 second difference here
self.assertTrue(vl.dataProvider().defaultValue(5).secsTo(QTime.currentTime()) < 1)
self.assertTrue(vl.dataProvider().defaultValue(6).secsTo(QDateTime.currentDateTime()) < 1)
开发者ID:，项目名称:，代码行数:40，代码来源:
注：本文中的qgis.PyQt.QtCore.QTime类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
客服电话
APP下载
官方微信
请发表评论