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https://github.com/DerTyp7/local-analyzer-python.git
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120 lines
3.4 KiB
Python
120 lines
3.4 KiB
Python
from objects import Node, NodeTag, Way, WayTag, Shop
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class OSM:
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# TODO Average value of "last updated" to see how up to date the data is.
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def __init__(self, _osmContent):
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self.osmContent = str(_osmContent)
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self.nodeList = []
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self.nodeTagList = []
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self.wayList = []
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self.wayTagList = []
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self.shopList = []
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self.parseOsmContent()
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def parseOsmContent(self):
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lines = self.osmContent.split("\n")
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nodeLines = []
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wayLines = []
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for line in lines:
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if "<node" in line:
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if "/>" in line:
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try:
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self.createNode([line])
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except:
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print("Node could not be inserted")
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else:
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nodeLines.append(line)
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elif "</node>" in line:
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try:
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self.createNode(nodeLines)
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except:
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print("Node could not be inserted")
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nodeLines = []
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elif len(nodeLines) > 0:
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nodeLines.append(line)
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elif "<way" in line:
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wayLines.append(line)
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elif "</way>" in line:
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try:
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self.createWay(wayLines)
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except:
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print("Way could not be inserted")
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wayLines = []
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elif len(wayLines) > 0:
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wayLines.append(line)
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def createShop(self, lines):
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# TODO Make sure shops are not duplicates.
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# TODO e.g. REWE(shop) is big enough to have some "Ways" of it's own and multiple nodes, which can cause duplicates.
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nodeIds = []
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type = ""
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name = ""
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for line in lines:
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if '<tag ' in line:
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key = str(line.split('k="')[1].split('"')[0])
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value = str(line.split('v="')[1].split('"')[0])
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if key == "shop":
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type = value
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elif key == "name":
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name = value
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elif '<nd ' in line:
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nodeIds.append(line.split('ref="')[1].split('"')[0])
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s = Shop(nodeIds, name, type)
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self.shopList.append(s)
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def createWay(self, lines):
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wayId = ""
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for line in lines:
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if "<way" in line:
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wayId = str(line.split('id="')[1].split('"')[0])
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wayVersion = str(line.split('version="')[1].split('"')[0])
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wayTimestamp = str(line.split('timestamp="')[1].split('"')[0])
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wayChangeset = str(line.split('changeset="')[1].split('"')[0])
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wayUid = str(line.split('uid="')[1].split('"')[0])
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wayUser = str(line.split('user="')[1].split('"')[0])
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w = Way(wayId, wayVersion, wayTimestamp, wayChangeset, wayUid, wayUser)
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self.wayList.append(w)
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elif '<tag ' in line:
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key = str(line.split('k="')[1].split('"')[0])
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value = str(line.split('v="')[1].split('"')[0])
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wt = WayTag(len(self.wayTagList), wayId, key, value)
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self.wayTagList.append(wt)
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if key == "shop":
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self.createShop(lines)
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def createNode(self, lines):
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nodeId = ""
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for line in lines:
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if "<node" in line:
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nodeId = str(line.split('id="')[1].split('"')[0])
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nodeLon = str(line.split('lon="')[1].split('"')[0])
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nodeLat = str(line.split('lat="')[1].split('"')[0])
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nodeVersion = str(line.split('version="')[1].split('"')[0])
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nodeTimestamp = str(line.split('timestamp="')[1].split('"')[0])
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nodeChangeset = str(line.split('changeset="')[1].split('"')[0])
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nodeUid = str(line.split('uid="')[1].split('"')[0])
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nodeUser = str(line.split('user="')[1].split('"')[0])
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n = Node(nodeId, nodeLon, nodeLat, nodeVersion, nodeTimestamp, nodeChangeset, nodeUid, nodeUser)
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self.nodeList.append(n)
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elif '<tag ' in line:
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key = str(line.split('k="')[1].split('"')[0])
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value = str(line.split('v="')[1].split('"')[0])
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nt = NodeTag(len(self.nodeTagList), nodeId, key, value)
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self.nodeTagList.append(nt)
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if key == "shop":
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self.createShop(lines) |