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"""
***************************************************************************
__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"
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 then 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(f"{appname}-bin.env")
envfile = os.path.join(*envfile)
if not os.path.exists(envfile):
return
with open(envfile) as f:
for line in f:
line = line.rstrip("\n")
if line.startswith("#") or not line:
continue
try:
env_key, env_value = line.split("=", maxsplit=1)
os.environ[env_key] = env_value
except ValueError:
pass
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()
if sys.version_info[0] > 3 or (
sys.version_info[0] == 3 and sys.version_info[1] >= 9
):
for p in os.getenv("PATH").split(";"):
if os.path.exists(p):
os.add_dll_directory(p)
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 custom widgets (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
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