estmap/inst/python/qgis_processing_algorithm.py

#!/usr/bin/python3
# https://docs.qgis.org/3.18/en/docs/pyqgis_developer_cookbook/intro.html
# export LD_LIBRARY_PATH=/usr/lib/qgis
# export PYTHONPATH=/usr/share/qgis/python
# export LD_LIBRARY_PATH=/usr/share/qgis/python
# export PYTHONPATH=$PYTHONPATH:/home/ardo/.local/share/QGIS/QGIS3/profiles/default/python/plugins/ForestRoadsNetworksUPLOAD:/home/ardo/.local/share/QGIS/QGIS3/profiles/default/python/plugins/AequilibraE/aequilibrae:/home/ardo/.local/share/QGIS/QGIS3/profiles/default/python/plugins/csv_tools:/home/ardo/.local/share/QGIS/QGIS3/profiles/default/python/plugins/networks:/usr/share/qgis/python:/home/ardo/.local/share/QGIS/QGIS3/profiles/default/python:/home/ardo/.local/share/QGIS/QGIS3/profiles/default/python/plugins:/usr/share/qgis/python/plugins:/usr/lib/python38.zip:/usr/lib/python3.8:/usr/lib/python3.8/lib-dynload:/home/ardo/.local/lib/python3.8/site-packages:/usr/local/lib/python3.8/dist-packages:/usr/lib/python3/dist-packages:/home/ardo/.local/share/QGIS/QGIS3/profiles/default/python:/usr/lib/python3/dist-packages/IPython/extensions:/home/ardo/.local/share/QGIS/QGIS3/profiles/default/python/plugins/qgis2web:/home/ardo/.local/share/QGIS/QGIS3/profiles/default/python/plugins:/home/ardo/.local/share/QGIS/QGIS3/profiles/default/python/plugins/postgisQueryBuilder:/home/ardo/.local/share/QGIS/QGIS3/profiles/default/python/plugins/postgisQueryBuilder/extlibs
# print(os.environ['PATH'])
# print(os.environ)
# Lisa plugina metadata.txt faili: # ardo !!!!!!!!!!!
# hasProcessingProvider=yes



import qgis
from qgis.core import *
import sys
import os


# Supply path to qgis install location
QgsApplication.setPrefixPath("/usr", True)

# Create a reference to the QgsApplication.
# Setting the second argument to True enables the GUI.  We need
# this since this is a custom application.
# qgs = QgsApplication([], True)
qgs = QgsApplication([], False)

# load providers
qgs.initQgis()


# Append the path where processing plugin can be found
sys.path.append('/usr/share/qgis/python/plugins')
sys.path.append('/home/ardo/.local/share/QGIS/QGIS3/profiles/default/python/plugins')


import processing
## QGIS core algoritmid
from processing.core.Processing import Processing
Processing.initialize()
# qgis.core.QgsApplication.processingRegistry().addProvider(qgis.analysis.QgsNativeAlgorithms())

# Otsi sõna järele mooduleid.
otsi = "graph"
print("\nLeitud moodulid:")
print([x.id() for x in QgsApplication.processingRegistry().algorithms() if otsi in x.id()])
print("\n\n")

from processing.tools import *


# from qgis.analysis import QgsNativeAlgorithms
# QgsApplication.processingRegistry().addProvider(QgsNativeAlgorithms())


import PyQt5
from networks.creer_graphe import CreerGraphe

print(CreerGraphe().name())
# print(CreerGraphe().shortHelpString())

# context = QgsProcessingContext()
# feedback = QgsProcessingFeedback()


## !!!!!!!!! Niimoodi saab layer'eid lisada QGIS pythoni käsurealt !!!!!!!!!!
## !!!!!!!!!! Väga mugav kasutada kui palju layer'eid vaja lisada !!!!!!!!!!!
## Load postgis layer
uri = QgsDataSourceUri()
# set host name, port, database name, username and password
uri.setConnection("localhost", "6432", "data", "osm", "osm")
# set database schema, table name, geometry column and optionally
# subset (WHERE clause)
uri.setDataSource("minu_teed", "eesti", "geom", "id = 1", "id")
vlayer = QgsVectorLayer(uri.uri(False), "my_layer", "postgres")
if not vlayer.isValid():
    print("Layer failed to load!")
else:
    QgsProject.instance().addMapLayer(vlayer)

## Load gpkg layer
path_to_gpkg = os.path.join("/data","gpkg","artiklid","artikkel_210127_valga_matsalu_lahemaa", "links.gpkg")
# append the layername part
gpkg_countries_layer = path_to_gpkg + "|layername=teedevork_riigiteed"
# e.g. gpkg_places_layer = "/usr/share/qgis/resources/data/world_map.gpkg|layername=countries"
vlayer2 = QgsVectorLayer(gpkg_countries_layer, "Countries layer", "ogr")
if not vlayer2.isValid():
    print("Layer failed to load!")
else:
    QgsProject.instance().addMapLayer(vlayer2)


# params = { 'IDENT' : 1, 'NOEUDS' : 'postgres://dbname=\'data\' host=localhost port=6432 user=\'osm\' password=\'osm\' sslmode=disable table=\"minu_teed\".\"aaa1\" (geom)', 'PREFIXE' : '', 'RESEAU' : '/data/gpkg/artiklid/artikkel_210127_valga_matsalu_lahemaa/links.gpkg', 'SENS' : '' }
params = { 'IDENT' : 1,
'NOEUDS' : vlayer,
'PREFIXE' : '', 'RESEAU' : vlayer2, 'SENS' : '' }
# alg = "Networks:build_graph"
# processing.run(alg,params)


# print(CreerGraphe().createInstance())
print(params['RESEAU'])
print("---------------------")
print(params['NOEUDS'])
print("---------------------")


CreerGraphe().initAlgorithm(config={})
# CreerGraphe().processAlgorithm(parameters = params, context=context, feedback=feedback)
# CreerGraphe().initAlgorithm(config=None)


# for alg in qgs.processingRegistry().algorithms():
#   print(alg.id(), "->", alg.displayName())

# processing.run("native:centroids", { 'ALL_PARTS' : False, \
# 'INPUT' : 'postgres://dbname=\'data\' host=localhost port=6432 user=\'osm\' sslmode=disable authcfg=0i30k14 key=\'id\' srid=3301 type=MultiPolygon checkPrimaryKeyUnicity=\'1\' table="minu_teed"."eesti" (geom)', \
# 'OUTPUT' : 'postgres://dbname=\'data\' host=localhost port=6432 user=\'osm\' password=\'osm\' sslmode=disable table="minu_teed"."x325" (geom)' })
# processing.run("Networks:build_graph", { 'IDENT' : 1, 'NOEUDS' : 'postgres://dbname=\'data\' host=localhost port=6432 user=\'osm\' password=\'osm\' sslmode=disable table=\"minu_teed\".\"aaa1\" (geom)', 'PREFIXE' : '', 'RESEAU' : '/data/gpkg/artiklid/artikkel_210127_valga_matsalu_lahemaa/links.gpkg', 'SENS' : '' })
# processing.run("qneat3:shortestpathpointtopoint", {'INPUT':'postgres://dbname=\'data\' host=localhost port=6432 user=\'osm\' sslmode=disable authcfg=0i30k14 key=\'link_id\' srid=3301 type=LineString checkPrimaryKeyUnicity=\'1\' table=\"minu_teed\".\"links\" (geom)','START_POINT':'640381.958323,6519317.618656 [EPSG:3301]','END_POINT':'669499.921921,6528373.950681 [EPSG:3301]','STRATEGY':0,'ENTRY_COST_CALCULATION_METHOD':0,'DIRECTION_FIELD':'','VALUE_FORWARD':'','VALUE_BACKWARD':'','VALUE_BOTH':'','DEFAULT_DIRECTION':2,'SPEED_FIELD':'','DEFAULT_SPEED':5,'TOLERANCE':0,'OUTPUT':'TEMPORARY_OUTPUT'})


# processing.algorithmHelp("qgis:creategrid")
processing.algorithmHelp("Networks:build_graph")


## Load postgis layer
# uri = QgsDataSourceUri()
# # set host name, port, database name, username and password
# uri.setConnection("localhost", "6432", "data", "osm", "osm")
# # set database schema, table name, geometry column and optionally
# # subset (WHERE clause)
# uri.setDataSource("minu_teed", "eesti", "geom", "id = 1", "id")
# vlayer = QgsVectorLayer(uri.uri(False), "my_layer", "postgres")
# print (vlayer)
# processing.run("native:buffer", {'INPUT': vlayer, \
# 'OUTPUT': 'postgres://dbname=\'data\' host=localhost port=6432 user=\'osm\' password=\'osm\' sslmode=disable table="minu_teed"."z225" (geom)'})


print('How many algorithms are there? '+ str(len(QgsApplication.processingRegistry().algorithms())))


# print(sys.path)


# Finally, exitQgis() is called to remove the
# provider and layer registries from memory
qgs.exitQgis()