QGIS/python/__init__.py
Bas Couwenberg 2628c480c5 Don't include revision in sources.
Prevent changes to files that weren't changed between releases.
This eases review of the changes between releases significantly.
2019-05-17 16:47:47 +02:00

88 lines
2.8 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'
from builtins import zip
import os
import sys
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
# monkey patching custom widgets in case we are running on a local install
# this should fix import errors such as "ModuleNotFoundError: No module named qgsfilewidget"
# ("from qgsfilewidget import QgsFileWidget")
# In a complete install, this is normally avoided and rather imports "qgis.gui"
# (thanks to uic/widget-plugins/qgis_customwidgets.py)
try:
import qgis.gui
widget_list = dir(qgis.gui)
# remove widgets that are not allowed as customwidgets (they need to be manually promoted)
skip_list = ['QgsScrollArea']
for widget in widget_list:
if widget.startswith('Qgs') and widget not in skip_list:
sys.modules[widget.lower()] = qgis.gui
except ImportError:
# gui might not be built
pass