NathanW2

symbol = QgsMarkerSymbolV2.createSimple({"name":"arrow"})
layer = qgis.utils.iface.activeLayer()
layer.rendererV2().setSymbol(symbol)

NathanW2

class Control(object):
	def __init__(self, name="Control"):
		self.name = name
		self.value = None

def bindCheckBox(value, *args):
	control.value = value

def unbindCheckBox(*args):
	return control.value

NathanW2

def bindQTextEdit(self, value):
	self.setText(value)

def unbindQTextEdit(self, **kwargs):
	return self.toPlainText()

if __name__ == "__main__":
	from PyQt4.QtGui import *
	app = QApplication([])
	QTextEdit.bind = bindQTextEdit

NathanW2

from PyQt4.QtGui import *

def bindQComboBox(control, value):
	control.addItems(value)
	control.setCurrentIndex(1)

def unbindQComboBox(control):
	return control.currentText()

def bindQTextEdit(control, value):

NathanW2

class MyFunctionClass(QgsExpressionFunction):
	name = "AddSomeStuff"
	args = 3
	group = "Math"

	def __init__(self):
		super(MyFunction, QgsExpressionFunction).__init__(self, name, args, group)

	def func(values, feature, parent):
		# blah blah blah

NathanW2

class QgsExpressionFunction(object):
	def __init__(self):
		pass

	def func(values, feature, parent):
		pass


def qgsfunction(args, group):
	def wrapper(func):

NathanW2

from qgis.core import QgsExpression

class QgsExpressionFunction(QgsExpression.FunctionDef):
	def __init__(self, name, args, group):
		QgsExpression.FunctionDef.__init__(self, name, args, group)

	def func(self, values, feature, parent):
		pass

def qgsfunction(args, group):

NathanW2

from qgis.core import QgsExpression

class QgsExpressionFunction(QgsExpression.FunctionDef):
	def __init__(self, name, args, group):
		QgsExpression.FunctionDef.__init__(self, name, args, group)

	def func(self, values, feature, parent):
		pass

def qgsfunction(args, group, **kwargs):

NathanW2

@qgsfunction(0, "Python")
def vertices(values, feature, parent):
	vertices = 0
	geom = feature.geometry()
	if geom is None: return 0
	if geom.type() == QGis.Polygon:
		vertices = 0
		if geom.isMultipart():
		  polygons = geom.asMultiPolygon()
		else:

NathanW2

from qgis.core import *
from qgis.gui import *
from PyQt4.QtCore import *
from PyQt4.QtGui import QApplication
from PyQt4.QtXml import *
import sys

import xml.etree.ElementTree as ET

app = QApplication(sys.argv)