def getAllEdgvDomainsFromTableName(self, table):
"""
EDGV databases deployed by DSGTools have a set of domain tables. Gets the value map from such DB.
It checks for all attributes found.
:param table: (str) layer to be checked for its EDGV mapping.
:param table: (QgsVectorLayer) overloaded method - layer to be checked for its EDGV mapping.
:param field: (str) field to be checked.
:return: (dict) value map for all attributes that have one.
"""
ret = defaultdict(dict)
currentLayer = table if isinstance(table, QgsVectorLayer) else self.layerByName(table)
if currentLayer.isValid():
try:
uri = currentLayer.dataProvider().uri()
if uri.host() == '':
db = QSqlDatabase('QSQLITE')
db.setDatabaseName(
uri.uri().split("|")[0].strip() if uri.uri().split("|")[0].strip().endswith(".gpkg") \
else uri.database()
)
sql = 'select code, code_name from dominios_{field} order by code'
else:
db = QSqlDatabase('QPSQL')
db.setHostName(uri.host())
db.setPort(int(uri.port()))
db.setDatabaseName(uri.database())
db.setUserName(uri.username())
db.setPassword(uri.password())
sql = 'select code, code_name from dominios.{field} order by code'
if not db.open():
db.close()
return ret
for field in currentLayer.fields():
fieldName = field.name()
if fieldName in self.specialEdgvAttributes():
# EDGV "special" attributes that are have different domains depending on
# which class it belongs to
if self.edgvVersion(db) in ("2.1.3 Pro", "3.0 Pro"):
cat = table if isinstance(table, str) else table.name()
# Pro versions now follow the logic "{attribute}_{CLASS_NAME}"
cat = cat.rsplit("_", 1)[0].split("_", 1)[-1]
else:
cat = (table if isinstance(table, str) else table.name()).split("_")[0]
fieldN = "{attribute}_{cat}".format(attribute=fieldName, cat=cat)
query = QSqlQuery(sql.format(field=fieldN), db)
else:
query = QSqlQuery(sql.format(field=fieldName), db)
if not query.isActive():
continue
while query.next():
code = str(query.value(0))
code_name = query.value(1)
ret[fieldName][code_name] = code
db.close()
except:
pass
return ret
def getEdgvDomainsFromTableName(self, table, field=None):
"""
EDGV databases deployed by DSGTools have a set of domain tables. Gets the value map from such DB.
:param table: (str) layer to be checked for its EDGV mapping.
:param table: (QgsVectorLayer) overloaded method - layer to be checked for its EDGV mapping.
:param field: (str) field to be checked.
:return: (dict) value map.
"""
ret = dict()
currentLayer = table if isinstance(
table, QgsVectorLayer) else self.layerByName(table)
if currentLayer.isValid():
try:
uri = currentLayer.dataProvider().uri()
field = field or self.currentField()
if field in self.specialEdgvAttributes():
# EDGV "special" attributes that are have different domains depending on
# which class it belongs to
category = self.currentLayerName().split("_")[0]
field = "{attribute}_{cat}".format(attribute=field,
cat=category)
if uri.host() == '':
db = QSqlDatabase('QSQLITE')
db.setDatabaseName(
uri.uri().split("|")[0].strip() if uri.uri().split("|")[0].strip().endswith(".gpkg") \
else uri.database()
)
sql = 'select code, code_name from dominios_{field} order by code'.format(
field=field)
else:
db = QSqlDatabase('QPSQL')
db.setHostName(uri.host())
db.setPort(int(uri.port()))
db.setDatabaseName(uri.database())
db.setUserName(uri.username())
db.setPassword(uri.password())
sql = 'select code, code_name from dominios.{field} order by code'.format(
field=field)
if not db.open():
db.close()
return ret
query = QSqlQuery(sql, db)
if not query.isActive():
return ret
while query.next():
code = str(query.value(0))
code_name = query.value(1)
ret[code_name] = code
db.close()
except:
pass
return ret
def dropDatabase(self,db):
"""
Drops the created database case a problem occurs during database creation
db: QSqlDatabase to be dropped
"""
host = db.hostName()
port = db.port()
user = db.userName()
password = db.password()
database = 'postgres'
pgDB = QSqlDatabase('QPSQL')
pgDB.setHostName(host)
pgDB.setPort(port)
pgDB.setUserName(user)
pgDB.setPassword(password)
pgDB.setDatabaseName(database)
if not pgDB.open():
return False
sql = self.gen.dropDatabase(db.databaseName())
query = QSqlQuery(pgDB)
return query.exec_(sql)