mirror of
https://github.com/qgis/QGIS.git
synced 2025-02-24 00:47:57 -05:00
94 lines
2.9 KiB
Python
94 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
"""
|
|
***************************************************************************
|
|
__init__.py
|
|
---------------------
|
|
Date : January 2007
|
|
Copyright : (C) 2007 by Martin Dobias
|
|
Email : wonder dot sk at gmail dot com
|
|
***************************************************************************
|
|
* *
|
|
* This program is free software; you can redistribute it and/or modify *
|
|
* it under the terms of the GNU General Public License as published by *
|
|
* the Free Software Foundation; either version 2 of the License, or *
|
|
* (at your option) any later version. *
|
|
* *
|
|
***************************************************************************
|
|
"""
|
|
|
|
__author__ = 'Martin Dobias'
|
|
__date__ = 'January 2007'
|
|
__copyright__ = '(C) 2007, Martin Dobias'
|
|
# This will get replaced with a git SHA1 when you do a git archive
|
|
__revision__ = '$Format:%H$'
|
|
|
|
from builtins import zip
|
|
import os
|
|
|
|
|
|
def setupenv():
|
|
"""
|
|
Set the environment for Windows based on the .vars files from the
|
|
OSGeo4W package format.
|
|
"""
|
|
# If the prefix path is already set the we don't do any more path setup.
|
|
if os.getenv('QGIS_PREFIX_PATH'):
|
|
return
|
|
|
|
# Setup the paths based on the .vars file.
|
|
from pathlib import PurePath
|
|
|
|
path_split = PurePath(os.path.dirname(os.path.realpath(__file__))).parts
|
|
|
|
try:
|
|
appname = os.environ['QGIS_ENVNAME']
|
|
except KeyError:
|
|
appname = path_split[-3]
|
|
|
|
envfile = list(path_split[:-4])
|
|
envfile.append("bin")
|
|
envfile.append("{0}-bin.env".format(appname))
|
|
envfile = os.path.join(*envfile)
|
|
|
|
if not os.path.exists(envfile):
|
|
return
|
|
|
|
with open(envfile) as f:
|
|
for line in f:
|
|
linedata = line.split("=")
|
|
name = linedata[0]
|
|
data = linedata[1]
|
|
os.environ[name] = data
|
|
|
|
|
|
if os.name == 'nt':
|
|
# On windows we need to setup the paths before we can import
|
|
# any of the QGIS modules or else it will error.
|
|
setupenv()
|
|
|
|
|
|
from qgis.PyQt import QtCore
|
|
from qgis.core import QgsFeature, QgsGeometry
|
|
|
|
|
|
def mapping_feature(feature):
|
|
geom = feature.geometry()
|
|
properties = {}
|
|
fields = [field.name() for field in feature.fields()]
|
|
properties = dict(list(zip(fields, feature.attributes())))
|
|
return {'type': 'Feature',
|
|
'properties': properties,
|
|
'geometry': geom.__geo_interface__}
|
|
|
|
|
|
def mapping_geometry(geometry):
|
|
geo = geometry.asJson()
|
|
# We have to use eval because exportToGeoJSON() gives us
|
|
# back a string that looks like a dictionary.
|
|
return eval(geo)
|
|
|
|
|
|
QgsFeature.__geo_interface__ = property(mapping_feature)
|
|
QgsGeometry.__geo_interface__ = property(mapping_geometry)
|