PyQt:https://wiki.python.org/moin/PyQt https://pypi.org/project/PyQt5/ 基于Python的QT显示控件类库
PyQGIS:https://zhuanlan.zhihu.com/p/100320986 基于Python的QGIS类库
https://docs.qgis.org/3.4/en/docs/pyqgis_developer_cookbook/loadproject.html
https://docs.qgis.org/3.16/en/docs/pyqgis_developer_cookbook/loadproject.html
3.17版:https://docs.qgis.org/testing/en/docs/pyqgis_developer_cookbook/loadproject.html