from qgis.core import *

# supply path to qgis install location

QgsApplication.setPrefixPath("/path/to/qgis/installation", True)

# create a reference to the QgsApplication, setting the

# second argument to False disables the GUI

qgs = QgsApplication([], False)

# load providers

qgs.initQgis()

# Write your code here to load some layers, use processing algorithms, etc.

# When your s

from qgis.core import *

# supply path to qgis install location

QgsApplication.setPrefixPath("/path/to/qgis/installation", True)

# create a reference to the QgsApplication

# setting the second argument to True enables the GUI, which we need to do

# since this is a custom application

qgs = QgsApplication([], True)

# load providers

qgs.initQgis()

# Write your code here to load some layers, use processing algorithms, etc.

# When your script is complete, call exitQgis() to remove the provider and

# layer registries from memory

qgs.exitQgis()