def modify_relation(uid, username, relationIn, refsIn, tagsIn):
relation = pgmap.OsmRelation()
relation.objId = relationIn.objId
relation.metaData.version = relationIn.metaData.version + 1
relation.metaData.timestamp = int(time.time())
relation.metaData.changeset = 1000
relation.metaData.uid = uid
relation.metaData.username = username
relation.metaData.visible = True
for k in tagsIn:
relation.tags[k] = tagsIn[k]
for refTypeStr, refId, refRole in refsIn:
relation.refTypeStrs.append(refTypeStr)
relation.refIds.append(refId)
relation.refRoles.append(refRole)
data = pgmap.OsmData()
data.relations.append(relation)
createdNodeIds = pgmap.mapi64i64()
createdWayIds = pgmap.mapi64i64()
createdRelationIds = pgmap.mapi64i64()
errStr = pgmap.PgMapError()
t = p.GetTransaction("EXCLUSIVE")
ok = t.StoreObjects(data, createdNodeIds, createdWayIds, createdRelationIds, False, errStr)
if not ok:
t.Abort()
print (errStr.errStr)
return None
else:
t.Commit()
return relation
def create_relation(uid, username, refs, changeset=1000):
relation = pgmap.OsmRelation()
relation.objId = -1
relation.metaData.version = 1
relation.metaData.timestamp = 0
relation.metaData.changeset = changeset
relation.metaData.uid = uid
relation.metaData.username = username
relation.metaData.visible = True
relation.tags["test"] = "moon"
for refTypeStr, refId, refRole in refs:
relation.refTypeStrs.append(refTypeStr)
relation.refIds.append(refId)
relation.refRoles.append(refRole)
data = pgmap.OsmData()
data.relations.append(relation)
createdNodeIds = pgmap.mapi64i64()
createdWayIds = pgmap.mapi64i64()
createdRelationIds = pgmap.mapi64i64()
errStr = pgmap.PgMapError()
t = p.GetTransaction("EXCLUSIVE")
ok = t.StoreObjects(data, createdNodeIds, createdWayIds,
createdRelationIds, False, errStr)
if not ok:
t.Abort()
print(errStr.errStr)
return None
else:
t.Commit()
relation.objId = createdRelationIds[-1]
return relation
def delete_object(objIn, user, tIn=None, timestamp=None):
if isinstance(objIn, pgmap.OsmNode):
obj = pgmap.OsmNode()
elif isinstance(objIn, pgmap.OsmWay):
obj = pgmap.OsmWay()
elif isinstance(objIn, pgmap.OsmRelation):
obj = pgmap.OsmRelation()
obj.objId = objIn.objId
obj.metaData.version = objIn.metaData.version + 1
if timestamp is None:
obj.metaData.timestamp = int(time.time())
else:
obj.metaData.timestamp = int(timestamp)
obj.metaData.changeset = 1000
obj.metaData.uid = user.id
obj.metaData.username = user.username
obj.metaData.visible = False
if isinstance(objIn, pgmap.OsmNode):
obj.lat = objIn.lat
obj.lon = objIn.lon
data = pgmap.OsmData()
if isinstance(objIn, pgmap.OsmNode):
data.nodes.append(obj)
elif isinstance(objIn, pgmap.OsmWay):
data.ways.append(obj)
elif isinstance(objIn, pgmap.OsmRelation):
data.relations.append(obj)
createdNodeIds = pgmap.mapi64i64()
createdWayIds = pgmap.mapi64i64()
createdRelationIds = pgmap.mapi64i64()
errStr = pgmap.PgMapError()
if tIn is not None:
t = tIn
else:
t = p.GetTransaction("EXCLUSIVE")
ok = t.StoreObjects(data, createdNodeIds, createdWayIds,
createdRelationIds, False, errStr)
if tIn is None:
if not ok:
t.Abort()
print(errStr.errStr)
else:
t.Commit()
return ok
def GetObj(p, objType, objId):
t = p.GetTransaction("ACCESS SHARE")
osmData = pgmap.OsmData() #Watch out, this goes out of scope!
t.GetObjectsById(objType, [objId], osmData)
del t
objs = None
if objType == "node":
objs = osmData.nodes
if len(objs) == 0:
return None
return pgmap.OsmNode(objs[0])
if objType == "way":
objs = osmData.ways
if len(objs) == 0:
return None
return pgmap.OsmWay(objs[0])
if objType == "relation":
objs = osmData.relations
if len(objs) == 0:
return None
return pgmap.OsmRelation(objs[0])
return None